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From gbaill...@apache.org
Subject svn commit: r1453395 [4/11] - in /pdfbox/trunk/xmpbox: ./ src/main/java/org/apache/xmpbox/ src/main/java/org/apache/xmpbox/schema/ src/main/java/org/apache/xmpbox/type/ src/main/java/org/apache/xmpbox/xml/ src/test/java/org/apache/xmpbox/ src/test/java...
Date Wed, 06 Mar 2013 15:57:52 GMT
Modified: pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/schema/XMPSchema.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/schema/XMPSchema.java?rev=1453395&r1=1453394&r2=1453395&view=diff
==============================================================================
--- pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/schema/XMPSchema.java (original)
+++ pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/schema/XMPSchema.java Wed Mar  6 15:57:44 2013
@@ -47,1192 +47,1298 @@ import org.apache.xmpbox.type.TypeMappin
 import org.apache.xmpbox.type.Types;
 
 /**
- * This class represents a metadata schema that can be stored in an XMP
- * document. It handles all generic properties that are available. See
- * subclasses for access to specific properties. MODIFIED TO INCLUDE OBJECT
- * REPRESENTATION
+ * This class represents a metadata schema that can be stored in an XMP document. It handles all generic properties that
+ * are available. See subclasses for access to specific properties. MODIFIED TO INCLUDE OBJECT REPRESENTATION
  * 
  */
-public class XMPSchema extends AbstractStructuredType {
+public class XMPSchema extends AbstractStructuredType
+{
 
-	/**
-	 * Create a new blank schema that can be populated.
-	 * 
-	 * @param metadata
-	 *            The parent XMP metadata that this schema will be part of.
-	 * @param namespaceName
-	 *            The name of the namespace, ie pdf,dc,...
-	 * @param namespaceURI
-	 *            The URI of the namespace, ie "http://ns.adobe.com/pdf/1.3/"
-	 * 
-	 */
-	public XMPSchema(XMPMetadata metadata, String namespaceURI, String prefix, String name) {
-		super(metadata, namespaceURI, prefix,name);
-		addNamespace(getNamespace(), getPrefix());
-	}
-
-	public XMPSchema(XMPMetadata metadata) {
-		this(metadata, null, null,null);
-	}
-
-	public XMPSchema(XMPMetadata metadata, String prefix) {
-		this(metadata, null, prefix,null);
-	}
-
-	public XMPSchema(XMPMetadata metadata, String namespaceURI, String prefix) {
-		this(metadata, namespaceURI, prefix,null);
-	}
-	
-	/**
-	 * Retrieve a generic simple type property
-	 * 
-	 * @param qualifiedName
-	 *            Full qualified name of proeprty wanted
-	 * @return The generic simple type property according to its qualified Name
-	 */
-	public AbstractField getAbstractProperty(String qualifiedName) {
-		Iterator<AbstractField> it = getContainer().getAllProperties().iterator();
-		AbstractField tmp;
-		while (it.hasNext()) {
-			tmp = it.next();
-			if (tmp.getPropertyName().equals(qualifiedName)) {
-				return tmp;
-			}
-		}
-		return null;
-
-	}
-
-	/**
-	 * Get the RDF about attribute
-	 * 
-	 * @return The RDF 'about' attribute.
-	 */
-	public Attribute getAboutAttribute() {
-		return getAttribute(XmpConstants.ABOUT_NAME);
-	}
-
-	/**
-	 * Get the RDF about value.
-	 * 
-	 * @return The RDF 'about' value.
-	 */
-	public String getAboutValue() {
-		Attribute prop = getAttribute(XmpConstants.ABOUT_NAME);
-		if (prop != null) {
-			return prop.getValue();
-		}
-		return null;
-	}
-
-	/**
-	 * Set the RDF 'about' attribute
-	 * 
-	 * @param about
-	 *            the well-formed attribute
-	 * @throws BadFieldValueException
-	 *             Bad Attribute name (not corresponding to about attribute)
-	 */
-	public void setAbout(Attribute about) throws BadFieldValueException {
-		if (XmpConstants.RDF_NAMESPACE.equals(about.getNamespace())) {
-			if (XmpConstants.ABOUT_NAME.equals(about.getName())) {
-				setAttribute(about);
-				return;
-			}
-		}
-		// else 
-		throw new BadFieldValueException(
-				"Attribute 'about' must be named 'rdf:about' or 'about'");
-	}
-
-	/**
-	 * Set the RDF 'about' attribute. Passing in null will clear this attribute.
-	 * 
-	 * @param about
-	 *            The new RFD about value.
-	 */
-	public void setAboutAsSimple(String about) {
-		if (about == null) {
-			removeAttribute(XmpConstants.ABOUT_NAME);
-		} else {
-			setAttribute(new Attribute(XmpConstants.RDF_NAMESPACE, XmpConstants.ABOUT_NAME, about));
-
-		}
-	}
-
-	private void setSpecifiedSimpleTypeProperty(
-			Types type, String qualifiedName,
-			Object propertyValue) {
-		if (propertyValue == null) {
-			// Search in properties to erase
-			Iterator<AbstractField> it = getContainer().getAllProperties().iterator();
-			AbstractField tmp;
-			while (it.hasNext()) {
-				tmp = it.next();
-				if (tmp.getPropertyName().equals(qualifiedName)) {
-					getContainer().removeProperty(tmp);
-					return;
-				}
-			}
-		} else {
-			AbstractSimpleProperty specifiedTypeProperty;
-			try {
-				TypeMapping tm = getMetadata().getTypeMapping();
-				specifiedTypeProperty = tm.instanciateSimpleProperty(
-						null, getPrefix(), qualifiedName,
-						propertyValue, type);
-			} catch (Exception e) {
-				throw new IllegalArgumentException(
-						"Failed to create property with the specified type given in parameters",
-						e);
-			}
-			// attribute placement for simple property has been removed
-			// Search in properties to erase
-			Iterator<AbstractField> it = getAllProperties().iterator();
-			AbstractField tmp;
-			while (it.hasNext()) {
-				tmp = it.next();
-				if (tmp.getPropertyName().equals(qualifiedName)) {
-					removeProperty(tmp);
-					addProperty(specifiedTypeProperty);
-					return;
-				}
-			}
-			addProperty(specifiedTypeProperty);
-		}
-	}
-
-	
-	/**
-	 * Add a SimpleProperty to this schema
-	 * 
-	 * @param prop
-	 *            The Property to add
-	 */
-	private void setSpecifiedSimpleTypeProperty(AbstractSimpleProperty prop) {
-		// attribute placement for simple property has been removed
-		// Search in properties to erase
-		Iterator<AbstractField> it = getAllProperties().iterator();
-		AbstractField tmp;
-		while (it.hasNext()) {
-			tmp = it.next();
-			if (tmp.getPropertyName().equals(prop.getPropertyName())) {
-				removeProperty(tmp);
-				addProperty(prop);
-				return;
-			}
-		}
-		addProperty(prop);
-	}
-
-	/**
-	 * Set TextType property
-	 * 
-	 * @param prop
-	 *            The text property to add
-	 */
-	public void setTextProperty(TextType prop) {
-		setSpecifiedSimpleTypeProperty(prop);
-	}
-
-	/**
-	 * Set a simple text property on the schema.
-	 * 
-	 * @param qualifiedName
-	 *            The name of the property, it must contain the namespace
-	 *            prefix, ie "pdf:Keywords"
-	 * @param propertyValue
-	 *            The value for the property, can be any string. Passing null
-	 *            will remove the property.
-	 */
-	public void setTextPropertyValue(String qualifiedName, String propertyValue) {
-		setSpecifiedSimpleTypeProperty(Types.Text, qualifiedName,
-				propertyValue);
-	}
-
-	/**
-	 * Set a simple text property on the schema, using the current prefix.
-	 * 
-	 * @param simpleName
-	 *            the name of the property without prefix
-	 * @param propertyValue
-	 *            The value for the property, can be any string. Passing null
-	 *            will remove the property.
-	 */
-	public void setTextPropertyValueAsSimple(String simpleName,
-			String propertyValue) {
-		this.setTextPropertyValue(simpleName, propertyValue);
-	}
-
-	/**
-	 * Get a TextProperty Type from its name
-	 * 
-	 * @param qualifiedName
-	 *            The full qualified name of the property wanted
-	 * @return The Text Type property wanted
-	 */
-	public TextType getUnqualifiedTextProperty(String name) {
-		String qualifiedName = name;
-		AbstractField prop = getAbstractProperty(qualifiedName);
-		if (prop != null) {
-			if (prop instanceof TextType) {
-				return (TextType) prop;
-			} else {
-				throw new IllegalArgumentException(
-						"Property asked is not a Text Property");
-			}
-		}
-		return null;
-	}
-
-	/**
-	 * Get the value of a simple text property.
-	 * 
-	 * @param qualifiedName
-	 *            The name of the property to get, it must include the namespace
-	 *            prefix. ie "pdf:Keywords".
-	 * 
-	 * @return The value of the text property or the null if there is no value.
-	 * 
-	 */
-	public String getUnqualifiedTextPropertyValue(String name) {
-		TextType tt = getUnqualifiedTextProperty(name);
-		return tt==null?null:tt.getStringValue();
-	}
-
-	/**
-	 * Get the Date property with its name
-	 * 
-	 * @param qualifiedName
-	 *            The name of the property to get, it must include the namespace
-	 *            prefix. ie "pdf:Keywords".
-	 * @return Date Type property
-	 * 
-	 */
-	public DateType getDateProperty(String qualifiedName) {
-		AbstractField prop = getAbstractProperty(qualifiedName);
-		if (prop != null) {
-			if (prop instanceof DateType) {
-				return (DateType) prop;
-			} else {
-				throw new IllegalArgumentException(
-						"Property asked is not a Date Property");
-			}
-
-		}
-		return null;
-	}
-
-	/**
-	 * Get a simple date property value on the schema, using the current prefix.
-	 * 
-	 * @param simpleName
-	 *            the local name of the property to get
-	 * @return The value of the property as a calendar.
-	 * 
-	 */
-	public Calendar getDatePropertyValueAsSimple(String simpleName) {
-		return this.getDatePropertyValue(simpleName);
-	}
-
-	/**
-	 * Get the value of the property as a date.
-	 * 
-	 * @param qualifiedName
-	 *            The fully qualified property name for the date.
-	 * 
-	 * @return The value of the property as a date.
-	 * 
-	 */
-	public Calendar getDatePropertyValue(String qualifiedName) {
-		AbstractField prop = getAbstractProperty(qualifiedName);
-		if (prop != null) {
-			if (prop instanceof DateType) {
-				return ((DateType) prop).getValue();
-			} else {
-				throw new IllegalArgumentException(
-						"Property asked is not a Date Property");
-			}
-
-		}
-		return null;
-	}
-
-	/**
-	 * Set a new DateProperty
-	 * 
-	 * @param date
-	 *            The DateType Property
-	 */
-	public void setDateProperty(DateType date) {
-		setSpecifiedSimpleTypeProperty(date);
-	}
-
-	/**
-	 * Set a simple Date property on the schema, using the current prefix.
-	 * 
-	 * @param simpleName
-	 *            the name of the property without prefix
-	 * @param date
-	 *            The calendar value for the property, can be any string.
-	 *            Passing null will remove the property.
-	 */
-	public void setDatePropertyValueAsSimple(String simpleName, Calendar date) {
-		this.setDatePropertyValue(simpleName, date);
-	}
-
-	/**
-	 * Set the value of the property as a date.
-	 * 
-	 * @param qualifiedName
-	 *            The fully qualified property name for the date.
-	 * @param date
-	 *            The date to set, or null to clear.
-	 */
-	public void setDatePropertyValue(String qualifiedName, Calendar date) {
-		setSpecifiedSimpleTypeProperty(Types.Date, qualifiedName, date);
-
-	}
-
-	/**
-	 * Get a BooleanType property with its name
-	 * 
-	 * @param qualifiedName
-	 *            the full qualified name of property wanted
-	 * @return boolean Type property
-	 */
-	public BooleanType getBooleanProperty(String qualifiedName) {
-		AbstractField prop = getAbstractProperty(qualifiedName);
-		if (prop != null) {
-			if (prop instanceof BooleanType) {
-				return (BooleanType) prop;
-			} else {
-				throw new IllegalArgumentException(
-						"Property asked is not a Boolean Property");
-			}
-		}
-		return null;
-	}
-
-	/**
-	 * Get a simple boolean property value on the schema, using the current
-	 * prefix.
-	 * 
-	 * @param simpleName
-	 *            the local name of property wanted
-	 * @return The value of the property as a boolean.
-	 */
-	public Boolean getBooleanPropertyValueAsSimple(String simpleName) {
-		return this.getBooleanPropertyValue(simpleName);
-	}
-
-	/**
-	 * Get the value of the property as a boolean.
-	 * 
-	 * @param qualifiedName
-	 *            The fully qualified property name for the boolean.
-	 * 
-	 * @return The value of the property as a boolean. Return null if property
-	 *         not exist
-	 */
-	public Boolean getBooleanPropertyValue(String qualifiedName) {
-		AbstractField prop = getAbstractProperty(qualifiedName);
-		if (prop != null) {
-			if (prop instanceof BooleanType) {
-				return ((BooleanType) prop).getValue();
-			} else {
-				throw new IllegalArgumentException(
-						"Property asked is not a Boolean Property");
-			}
-		}
-		// Return null if property not exist. This method give the property
-		// value so treat this return in this way.
-		// If you want to use this value like a condition, you must check this
-		// return before
-		return null;
-	}
-
-	/**
-	 * Set a BooleanType property
-	 * 
-	 * @param bool
-	 *            the booleanType property
-	 */
-	public void setBooleanProperty(BooleanType bool) {
-		setSpecifiedSimpleTypeProperty(bool);
-	}
-
-	/**
-	 * Set a simple Boolean property on the schema, using the current prefix.
-	 * 
-	 * @param simpleName
-	 *            the name of the property without prefix
-	 * @param bool
-	 *            The value for the property, can be any string. Passing null
-	 *            will remove the property.
-	 */
-	public void setBooleanPropertyValueAsSimple(String simpleName, Boolean bool) {
-		this.setBooleanPropertyValue(simpleName, bool);
-	}
-
-	/**
-	 * Set the value of the property as a boolean.
-	 * 
-	 * @param qualifiedName
-	 *            The fully qualified property name for the boolean.
-	 * @param bool
-	 *            The boolean to set, or null to clear.
-	 */
-	public void setBooleanPropertyValue(String qualifiedName, Boolean bool) {
-		setSpecifiedSimpleTypeProperty(Types.Boolean, qualifiedName, bool);
-	}
-
-	/**
-	 * Get the Integer property with its name
-	 * 
-	 * @param qualifiedName
-	 *            the full qualified name of property wanted
-	 * @return Integer Type property
-	 */
-	public IntegerType getIntegerProperty(String qualifiedName) {
-		AbstractField prop = getAbstractProperty(qualifiedName);
-		if (prop != null) {
-			if (prop instanceof IntegerType) {
-				return ((IntegerType) prop);
-			} else {
-				throw new IllegalArgumentException(
-						"Property asked is not an Integer Property");
-			}
-		}
-		return null;
-	}
-
-	/**
-	 * Get a simple integer property value on the schema, using the current
-	 * prefix.
-	 * 
-	 * @param simpleName
-	 *            the local name of property wanted
-	 * @return The value of the property as an integer.
-	 */
-	public Integer getIntegerPropertyValueAsSimple(String simpleName) {
-		return this.getIntegerPropertyValue(simpleName);
-	}
-
-	/**
-	 * Get the value of the property as an integer.
-	 * 
-	 * @param qualifiedName
-	 *            The fully qualified property name for the integer.
-	 * 
-	 * @return The value of the property as an integer.
-	 */
-	public Integer getIntegerPropertyValue(String qualifiedName) {
-		AbstractField prop = getAbstractProperty(qualifiedName);
-		if (prop != null) {
-			if (prop instanceof IntegerType) {
-				return ((IntegerType) prop).getValue();
-			} else {
-				throw new IllegalArgumentException(
-						"Property asked is not an Integer Property");
-			}
-		}
-		return null;
-	}
-
-	/**
-	 * Add an integerProperty
-	 * 
-	 * @param prop
-	 *            The Integer Type property
-	 */
-	public void setIntegerProperty(IntegerType prop) {
-		setSpecifiedSimpleTypeProperty(prop);
-	}
-
-	/**
-	 * Set a simple Integer property on the schema, using the current prefix.
-	 * 
-	 * @param simpleName
-	 *            the name of the property without prefix
-	 * @param intValue
-	 *            The value for the property, can be any string. Passing null
-	 *            will remove the property.
-	 */
-	public void setIntegerPropertyValueAsSimple(String simpleName,
-			Integer intValue) {
-		this.setIntegerPropertyValue(simpleName, intValue);
-	}
-
-	/**
-	 * Set the value of the property as an integer.
-	 * 
-	 * @param qualifiedName
-	 *            The fully qualified property name for the integer.
-	 * @param intValue
-	 *            The int to set, or null to clear.
-	 */
-	public void setIntegerPropertyValue(String qualifiedName, Integer intValue) {
-		setSpecifiedSimpleTypeProperty(Types.Integer, qualifiedName,
-				intValue);
-	}
-
-	/**
-	 * Generic array property removing
-	 * 
-	 * @param qualifiedArrayName
-	 *            the full qualified name of property wanted
-	 * @param fieldValue
-	 *            the field value
-	 */
-	private void removeUnqualifiedArrayValue(String arrayName, String fieldValue) {
-		ArrayProperty array = (ArrayProperty) getAbstractProperty(arrayName);
-		if (array != null) {
-			ArrayList<AbstractField> toDelete = new ArrayList<AbstractField>();
-			Iterator<AbstractField> it = array.getContainer()
-					.getAllProperties().iterator();
-			AbstractSimpleProperty tmp;
-			while (it.hasNext()) {
-				tmp = (AbstractSimpleProperty) it.next();
-				if (tmp.getStringValue().equals(fieldValue)) {
-					toDelete.add(tmp);
-				}
-			}
-			Iterator<AbstractField> eraseProperties = toDelete.iterator();
-			while (eraseProperties.hasNext()) {
-				array.getContainer().removeProperty(eraseProperties.next());
-			}
-		}
-
-	}
-
-	/**
-	 * Remove all matching entries with the given value from the bag.
-	 * 
-	 * @param qualifiedBagName
-	 *            The name of the bag, it must include the namespace prefix. ie
-	 *            "pdf:Keywords".
-	 * @param bagValue
-	 *            The value to remove from the bagList.
-	 */
-	public void removeUnqualifiedBagValue(String bagName, String bagValue) {
-		removeUnqualifiedArrayValue(bagName, bagValue);
-	}
-
-	/**
-	 * add a bag value property on the schema, using the current prefix.
-	 * 
-	 * @param simpleName
-	 *            the local name of property
-	 * @param bagValue
-	 *            the string value to add
-	 */
-	public void addBagValueAsSimple(String simpleName, String bagValue) {
-		this.internalAddBagValue(simpleName, bagValue);
-	}
-
-	private void internalAddBagValue(String qualifiedBagName, String bagValue) {
-		ArrayProperty bag = (ArrayProperty) getAbstractProperty(qualifiedBagName);
-		TextType li = createTextType ( XmpConstants.LIST_NAME, bagValue);
-		if (bag != null) {
-			bag.getContainer().addProperty(li);
-		} else {
-			ArrayProperty newBag = createArrayProperty(qualifiedBagName,
-					Cardinality.Bag);
-			newBag.getContainer().addProperty(li);
-			addProperty(newBag);
-		}
-	}
-
-	/**
-	 * Add an entry to a bag property.
-	 * 
-	 * @param simpleName
-	 *            The name of the bag without the namespace prefix
-	 * @param bagValue
-	 *            The value to add to the bagList.
-	 */
-	public void addQualifiedBagValue(String simpleName, String bagValue) {
-		internalAddBagValue(simpleName, bagValue);
-	}
-
-	/**
-	 * Get all the values of the bag property. This will return a list of
-	 * java.lang.String objects, this is a read-only list.
-	 * 
-	 * @param qualifiedBagName
-	 *            The name of the bag property to get without namespace prefix.
-	 * 
-	 * @return All values of the bag property in a list.
-	 */
-	public List<String> getUnqualifiedBagValueList(String bagName) {
-		ArrayProperty array = (ArrayProperty) getAbstractProperty(bagName);
-		if (array!=null) {
-			return array.getElementsAsString();
-		} else {
-			return null;
-		}
-	}
-
-	/**
-	 * Remove all matching values from a sequence property.
-	 * 
-	 * @param qualifiedSeqName
-	 *            The name of the sequence property. It must include the
-	 *            namespace prefix. ie "pdf:Keywords".
-	 * @param seqValue
-	 *            The value to remove from the list.
-	 */
-	public void removeUnqualifiedSequenceValue(String qualifiedSeqName, String seqValue) {
-		removeUnqualifiedArrayValue(qualifiedSeqName, seqValue);
-	}
-
-	/**
-	 * Generic method to remove a field from an array with an Elementable Object
-	 * 
-	 * @param qualifiedArrayName
-	 *            the full qualified name of the property concerned
-	 * @param fieldValue
-	 *            the elementable field value
-	 */
-	public void removeUnqualifiedArrayValue(String arrayName,
-			AbstractField fieldValue) {
-		String qualifiedArrayName = arrayName;
-		ArrayProperty array = (ArrayProperty) getAbstractProperty(qualifiedArrayName);
-		if (array != null) {
-			ArrayList<AbstractField> toDelete = new ArrayList<AbstractField>();
-			Iterator<AbstractField> it = array.getContainer()
-					.getAllProperties().iterator();
-			AbstractSimpleProperty tmp;
-			while (it.hasNext()) {
-				tmp = (AbstractSimpleProperty) it.next();
-				if (tmp.equals(fieldValue)) {
-					toDelete.add(tmp);
-				}
-			}
-			Iterator<AbstractField> eraseProperties = toDelete.iterator();
-			while (eraseProperties.hasNext()) {
-				array.getContainer().removeProperty(eraseProperties.next());
-			}
-		}
-	}
-
-	/**
-	 * Remove a value from a sequence property. This will remove all entries
-	 * from the list.
-	 * 
-	 * @param qualifiedSeqName
-	 *            The name of the sequence property. It must include the
-	 *            namespace prefix. ie "pdf:Keywords".
-	 * @param seqValue
-	 *            The value to remove from the list.
-	 */
-	public void removeUnqualifiedSequenceValue(String qualifiedSeqName,
-			AbstractField seqValue) {
-		removeUnqualifiedArrayValue(qualifiedSeqName, seqValue);
-	}
-
-	/**
-	 * Add a new value to a sequence property.
-	 * 
-	 * @param qualifiedSeqName
-	 *            The name of the sequence property without the namespace prefix
-	 * @param seqValue
-	 *            The value to add to the sequence.
-	 */
-	public void addUnqualifiedSequenceValue(String simpleSeqName, String seqValue) {
-		String qualifiedSeqName = simpleSeqName;
-		ArrayProperty seq = (ArrayProperty) getAbstractProperty(qualifiedSeqName);
-		TextType li = createTextType ( XmpConstants.LIST_NAME, seqValue);
-		if (seq != null) {
-			seq.getContainer().addProperty(li);
-		} else {
-			ArrayProperty newSeq = createArrayProperty(simpleSeqName, Cardinality.Seq);
-			newSeq.getContainer().addProperty(li);
-			addProperty(newSeq);
-		}
-	}
-
-
-	/**
-	 * Add a new value to a bag property.
-	 * 
-	 * @param qualifiedSeqName
-	 *            The name of the sequence property, it must include the
-	 *            namespace prefix. ie "pdf:Keywords"
-	 * @param seqValue
-	 *            The value to add to the bag.
-	 */
-	public void addBagValue(String qualifiedSeqName, AbstractField seqValue) {
-		ArrayProperty bag = (ArrayProperty) getAbstractProperty(qualifiedSeqName);
-		if (bag != null) {
-			bag.getContainer().addProperty(seqValue);
-		} else {
-			ArrayProperty newBag = createArrayProperty(qualifiedSeqName, Cardinality.Bag);
-			newBag.getContainer().addProperty(seqValue);
-			addProperty(newBag);
-		}
-	}
-
-	/**
-	 * Add a new value to a sequence property.
-	 * 
-	 * @param qualifiedSeqName
-	 *            The name of the sequence property, it must include the
-	 *            namespace prefix. ie "pdf:Keywords"
-	 * @param seqValue
-	 *            The value to add to the sequence.
-	 */
-	public void addUnqualifiedSequenceValue(String seqName, AbstractField seqValue) {
-		String qualifiedSeqName = seqName;
-		ArrayProperty seq = (ArrayProperty) getAbstractProperty(qualifiedSeqName);
-		if (seq != null) {
-			seq.getContainer().addProperty(seqValue);
-		} else {
-			ArrayProperty newSeq = createArrayProperty(seqName,	Cardinality.Seq);
-			newSeq.getContainer().addProperty(seqValue);
-			addProperty(newSeq);
-		}
-	}
-
-	/**
-	 * Get all the values in a sequence property.
-	 * 
-	 * @param qualifiedSeqName
-	 *            The name of the sequence property without namespace prefix. 
-	 * 
-	 * @return A read-only list of java.lang.String objects or null if the
-	 *         property does not exist.
-	 */
-	public List<String> getUnqualifiedSequenceValueList(String seqName) {
-		ArrayProperty array = (ArrayProperty) getAbstractProperty(seqName);
-		if (array!=null) {
-			return array.getElementsAsString();
-		} else {
-			return null;
-		}
-	}
-
-	/**
-	 * Remove a date sequence value from the list.
-	 * 
-	 * @param qualifiedSeqName
-	 *            The name of the sequence property, it must include the
-	 *            namespace prefix. ie "pdf:Keywords"
-	 * @param date
-	 *            The date to remove from the sequence property.
-	 */
-	public void removeUnqualifiedSequenceDateValue(String seqName, Calendar date) {
-		String qualifiedSeqName = seqName;
-		ArrayProperty seq = (ArrayProperty) getAbstractProperty(qualifiedSeqName);
-		if (seq != null) {
-			ArrayList<AbstractField> toDelete = new ArrayList<AbstractField>();
-			Iterator<AbstractField> it = seq.getContainer().getAllProperties()
-					.iterator();
-			AbstractField tmp;
-			while (it.hasNext()) {
-				tmp = it.next();
-				if (tmp instanceof DateType) {
-					if (((DateType) tmp).getValue().equals(date)) {
-						toDelete.add(tmp);
-
-					}
-				}
-			}
-			Iterator<AbstractField> eraseProperties = toDelete.iterator();
-			while (eraseProperties.hasNext()) {
-				seq.getContainer().removeProperty(eraseProperties.next());
-			}
-		}
-	}
-
-	/**
-	 * Add a date sequence value to the list using the current prefix
-	 * 
-	 * @param simpleName
-	 *            the local name of the property
-	 * @param date
-	 *            the value to add
-	 */
-	public void addSequenceDateValueAsSimple(String simpleName, Calendar date) {
-		addUnqualifiedSequenceDateValue(simpleName, date);
-	}
-
-	/**
-	 * Add a date sequence value to the list.
-	 * 
-	 * @param qualifiedSeqName
-	 *            The name of the sequence property, it must include the
-	 *            namespace prefix. ie "pdf:Keywords"
-	 * @param date
-	 *            The date to add to the sequence property.
-	 */
-	public void addUnqualifiedSequenceDateValue(String seqName, Calendar date) {
-		addUnqualifiedSequenceValue(seqName, getMetadata().getTypeMapping().createDate(null, XmpConstants.DEFAULT_RDF_LOCAL_NAME, XmpConstants.LIST_NAME, date));
-	}
-
-	/**
-	 * Get all the date values in a sequence property.
-	 * 
-	 * @param qualifiedSeqName
-	 *            The name of the sequence property, it must include the
-	 *            namespace prefix. ie "pdf:Keywords".
-	 * 
-	 * @return A read-only list of java.util.Calendar objects or null if the
-	 *         property does not exist.
-	 * 
-	 */
-	public List<Calendar> getUnqualifiedSequenceDateValueList(String seqName) {
-		String qualifiedSeqName = seqName;
-		List<Calendar> retval = null;
-		ArrayProperty seq = (ArrayProperty) getAbstractProperty(qualifiedSeqName);
-		if (seq != null) {
-			retval = new ArrayList<Calendar>();
-			Iterator<AbstractField> it = seq.getContainer().getAllProperties()
-					.iterator();
-			AbstractField tmp;
-			while (it.hasNext()) {
-				tmp = it.next();
-				if (tmp instanceof DateType) {
-					retval.add(((DateType) tmp).getValue());
-				}
-			}
-		}
-		return retval;
-	}
-
-	/**
-	 * Method used to place the 'x-default' value in first in Language
-	 * alternatives as said in xmp spec
-	 * 
-	 * @param alt
-	 *            The property to reorganize
-	 */
-	public void reorganizeAltOrder(ComplexPropertyContainer alt) {
-		Iterator<AbstractField> it = alt.getAllProperties().iterator();
-		AbstractField xdefault = null;
-		boolean xdefaultFound = false;
-		// If alternatives contains x-default in first value
-		if (it.hasNext()) {
-			if (it.next().getAttribute(XmpConstants.LANG_NAME).getValue().equals(
-					XmpConstants.X_DEFAULT)) {
-				return;
-			}
-		}
-		// Find the xdefault definition
-		while (it.hasNext() && !xdefaultFound) {
-			xdefault = it.next();
-			if (xdefault.getAttribute(XmpConstants.LANG_NAME).getValue()
-					.equals(XmpConstants.X_DEFAULT)) {
-				alt.removeProperty(xdefault);
-				xdefaultFound = true;
-			}
-		}
-		if (xdefaultFound) {
-			it = alt.getAllProperties().iterator();
-			ArrayList<AbstractField> reordered = new ArrayList<AbstractField>();
-			ArrayList<AbstractField> toDelete = new ArrayList<AbstractField>();
-			reordered.add(xdefault);
-			AbstractField tmp;
-			while (it.hasNext()) {
-				tmp = it.next();
-				reordered.add(tmp);
-				toDelete.add(tmp);
-			}
-			Iterator<AbstractField> eraseProperties = toDelete.iterator();
-			while (eraseProperties.hasNext()) {
-				alt.removeProperty(eraseProperties.next());
-			}
-			it = reordered.iterator();
-			while (it.hasNext()) {
-				alt.addProperty(it.next());
-			}
-		}
-
-	}
-
-	/**
-	 * Set the value of a multi-lingual property.
-	 * 
-	 * @param qualifiedName
-	 *            The name of the property, it must include the namespace
-	 *            prefix. ie "pdf:Keywords"
-	 * @param language
-	 *            The language code of the value. If null then "x-default" is
-	 *            assumed.
-	 * @param value
-	 *            The value of the property in the specified language.
-	 */
-	public void setUnqualifiedLanguagePropertyValue(String name, String language,
-			String value) {
-		String qualifiedName = name;
-		AbstractField property = getAbstractProperty(qualifiedName);
-		ArrayProperty prop;
-		if (property != null) {
-			// Analyzing content of property
-			if (property instanceof ArrayProperty) {
-				prop = (ArrayProperty) property;
-				Iterator<AbstractField> itCplx = prop.getContainer()
-						.getAllProperties().iterator();
-				// try to find the same lang definition
-				AbstractField tmp;
-				// Try to find a definition
-				while (itCplx.hasNext()) {
-					tmp = itCplx.next();
-					// System.err.println(tmp.getAttribute("xml:lang").getStringValue());
-					if (tmp.getAttribute(XmpConstants.LANG_NAME).getValue()
-							.equals(language)) {
-						// the same language has been found
-						if (value == null) {
-							// if value null, erase this definition
-							prop.getContainer().removeProperty(tmp);
-						} else {
-							prop.getContainer().removeProperty(tmp);
-							TextType langValue;
-							langValue = createTextType ( XmpConstants.LIST_NAME,value);
-
-							langValue.setAttribute(new Attribute(XMLConstants.XML_NS_URI,
-									XmpConstants.LANG_NAME, language));
-							prop.getContainer().addProperty(langValue);
-						}
-						reorganizeAltOrder(prop.getContainer());
-						return;
-					}
-				}
-				// if no definition found, we add a new one
-				TextType langValue;
-				langValue = createTextType ( XmpConstants.LIST_NAME, value);
-				langValue.setAttribute(new Attribute(XMLConstants.XML_NS_URI, XmpConstants.LANG_NAME,
-						language));
-				prop.getContainer().addProperty(langValue);
-				reorganizeAltOrder(prop.getContainer());
-			}
-		} else {
-			prop = createArrayProperty( name,Cardinality.Alt);
-			TextType langValue;
-			langValue = createTextType ( XmpConstants.LIST_NAME, value);
-			langValue
-			.setAttribute(new Attribute(XMLConstants.XML_NS_URI, XmpConstants.LANG_NAME, language));
-			prop.getContainer().addProperty(langValue);
-			addProperty(prop);
-		}
-	}
-
-	/**
-	 * Get the value of a multi-lingual property.
-	 * 
-	 * @param qualifiedName
-	 *            The name of the property, without the namespace prefix.
-	 * @param language
-	 *            The language code of the value. If null then "x-default" is
-	 *            assumed.
-	 * 
-	 * @return The value of the language property.
-	 */
-	public String getUnqualifiedLanguagePropertyValue(String name, String expectedLanguage) {
-		String language = (expectedLanguage!=null)?expectedLanguage:XmpConstants.X_DEFAULT;
-		AbstractField property = getAbstractProperty(name);
-		if (property != null) {
-			if (property instanceof ArrayProperty) {
-				ArrayProperty prop = (ArrayProperty) property;
-				Iterator<AbstractField> langsDef = prop.getContainer()
-						.getAllProperties().iterator();
-				AbstractField tmp;
-				Attribute text;
-				while (langsDef.hasNext()) {
-					tmp = langsDef.next();
-					text = tmp.getAttribute(XmpConstants.LANG_NAME);
-					if (text != null) {
-						if (text.getValue().equals(language)) {
-							return ((TextType) tmp).getStringValue();
-						}
-					}
-				}
-				return null;
-			} else {
-				throw new IllegalArgumentException("The property '"
-						+ name + "' is not of Lang Alt type");
-			}
-		}
-		return null;
-	}
-
-
-	/**
-	 * Get a list of all languages that are currently defined for a specific
-	 * property.
-	 * 
-	 * @param qualifiedName
-	 *            The name of the property, it must include the namespace
-	 *            prefix. ie "pdf:Keywords"
-	 * 
-	 * @return A list of all languages, this will return an non-null empty list
-	 *         if none have been defined.
-	 */
-	public List<String> getUnqualifiedLanguagePropertyLanguagesValue(String name) {
-		List<String> retval = new ArrayList<String>();
-		AbstractField property = getAbstractProperty(name);
-		if (property != null) {
-			if (property instanceof ArrayProperty) {
-				ArrayProperty prop = (ArrayProperty) property;
-				Iterator<AbstractField> langsDef = prop.getContainer()
-						.getAllProperties().iterator();
-				AbstractField tmp;
-				Attribute text;
-				while (langsDef.hasNext()) {
-					tmp = langsDef.next();
-					text = tmp.getAttribute(XmpConstants.LANG_NAME);
-					if (text != null) {
-						retval.add(text.getValue());
-					} else {
-						retval.add(XmpConstants.X_DEFAULT);
-					}
-				}
-				return retval;
-			} else {
-				throw new IllegalArgumentException("The property '"
-						+ name + "' is not of Lang Alt type");
-			}
-		}
-		// no property with that name
-		return null;
-	}
-
-	/**
-	 * A basic schema merge, it merges bags and sequences and replace everything
-	 * else.
-	 * 
-	 * @param xmpSchema
-	 *            The schema to merge.
-	 * @throws IOException
-	 *             If there is an error during the merge.
-	 */
-	public void merge(XMPSchema xmpSchema) throws IOException {
-		if (!xmpSchema.getClass().equals(this.getClass())) {
-			throw new IOException("Can only merge schemas of the same type.");
-		}
-
-		Iterator<Attribute> itAtt = xmpSchema.getAllAttributes()
-				.iterator();
-		Attribute att;
-		while (itAtt.hasNext()) {
-			att = itAtt.next();
-			if (att.getNamespace().equals(getNamespace())) {
-				setAttribute(att);
-			}
-		}
-
-		String analyzedPropQualifiedName;
-		Iterator<AbstractField> itProp = xmpSchema.getContainer().getAllProperties()
-				.iterator();
-		AbstractField prop;
-		while (itProp.hasNext()) {
-			prop = itProp.next();
-			if (prop.getPrefix().equals(getPrefix())) {
-				if (prop instanceof ArrayProperty) {
-					analyzedPropQualifiedName = prop.getPropertyName();
-					Iterator<AbstractField> itActualEmbeddedProperties = getAllProperties().iterator();
-					AbstractField tmpEmbeddedProperty;
-
-					Iterator<AbstractField> itNewValues;
-					TextType tmpNewValue;
-
-					Iterator<AbstractField> itOldValues;
-					TextType tmpOldValue;
-
-					boolean alreadyPresent = false;
-
-					while (itActualEmbeddedProperties.hasNext()) {
-						tmpEmbeddedProperty = itActualEmbeddedProperties.next();
-						if (tmpEmbeddedProperty instanceof ArrayProperty) {
-							if (tmpEmbeddedProperty.getPropertyName().equals(
-									analyzedPropQualifiedName)) {
-								itNewValues = ((ArrayProperty) prop)
-										.getContainer().getAllProperties()
-										.iterator();
-								// Merge a complex property
-								while (itNewValues.hasNext()) {
-									tmpNewValue = (TextType) itNewValues.next();
-									itOldValues = ((ArrayProperty) tmpEmbeddedProperty)
-											.getContainer().getAllProperties()
-											.iterator();
-									while (itOldValues.hasNext()
-											&& !alreadyPresent) {
-										tmpOldValue = (TextType) itOldValues
-												.next();
-										if (tmpOldValue
-												.getStringValue()
-												.equals(
-														tmpNewValue
-														.getStringValue())) {
-											alreadyPresent = true;
-										}
-									}
-									if (!alreadyPresent) {
-										((ArrayProperty) tmpEmbeddedProperty)
-										.getContainer().addProperty(
-												tmpNewValue);
-									}
-								}
-
-							}
-						}
-					}
-				} else {
-					addProperty(prop);
-				}
-			}
-		}
-	}
-
-	/**
-	 * Get an AbstractField list corresponding to the content of an array Return
-	 * null if the property is unknown
-	 * 
-	 * @param nam
-	 *           the property name whitout namespace;
-	 * @return List of property contained in the complex property
-	 * @throws BadFieldValueException
-	 *             Property not contains property (not complex property)
-	 */
-	public List<AbstractField> getUnqualifiedArrayList(String name)
-			throws BadFieldValueException {
-		ArrayProperty array = null;
-		Iterator<AbstractField> itProp = getAllProperties().iterator();
-		AbstractField tmp;
-		while (itProp.hasNext()) {
-			tmp = itProp.next();
-			if (tmp.getPropertyName().equals(name)) {
-				if (tmp instanceof ArrayProperty) {
-					array = (ArrayProperty) tmp;
-					break;
-				} else {
-					throw new BadFieldValueException(
-							"Property asked not seems to be an array");
-				}
-
-			}
-		}
-		if (array != null) {
-			Iterator<AbstractField> it = array.getContainer()
-					.getAllProperties().iterator();
-			List<AbstractField> list = new ArrayList<AbstractField>();
-			while (it.hasNext()) {
-				list.add(it.next());
-			}
-			return list;
-		}
-		return null;
-	}
-
-	protected AbstractSimpleProperty instanciateSimple (String param, Object value) {
-		TypeMapping tm = getMetadata().getTypeMapping();
-		return tm.instanciateSimpleField(
-				getClass(), 
-				null, 
-				getPrefix(), 
-				param, 
-				value);
-	}
+    /**
+     * Create a new blank schema that can be populated.
+     * 
+     * @param metadata
+     *            The parent XMP metadata that this schema will be part of.
+     * @param namespaceName
+     *            The name of the namespace, ie pdf,dc,...
+     * @param namespaceURI
+     *            The URI of the namespace, ie "http://ns.adobe.com/pdf/1.3/"
+     * 
+     */
+    public XMPSchema(XMPMetadata metadata, String namespaceURI, String prefix, String name)
+    {
+        super(metadata, namespaceURI, prefix, name);
+        addNamespace(getNamespace(), getPrefix());
+    }
+
+    public XMPSchema(XMPMetadata metadata)
+    {
+        this(metadata, null, null, null);
+    }
+
+    public XMPSchema(XMPMetadata metadata, String prefix)
+    {
+        this(metadata, null, prefix, null);
+    }
+
+    public XMPSchema(XMPMetadata metadata, String namespaceURI, String prefix)
+    {
+        this(metadata, namespaceURI, prefix, null);
+    }
+
+    /**
+     * Retrieve a generic simple type property
+     * 
+     * @param qualifiedName
+     *            Full qualified name of proeprty wanted
+     * @return The generic simple type property according to its qualified Name
+     */
+    public AbstractField getAbstractProperty(String qualifiedName)
+    {
+        Iterator<AbstractField> it = getContainer().getAllProperties().iterator();
+        AbstractField tmp;
+        while (it.hasNext())
+        {
+            tmp = it.next();
+            if (tmp.getPropertyName().equals(qualifiedName))
+            {
+                return tmp;
+            }
+        }
+        return null;
+
+    }
+
+    /**
+     * Get the RDF about attribute
+     * 
+     * @return The RDF 'about' attribute.
+     */
+    public Attribute getAboutAttribute()
+    {
+        return getAttribute(XmpConstants.ABOUT_NAME);
+    }
+
+    /**
+     * Get the RDF about value.
+     * 
+     * @return The RDF 'about' value.
+     */
+    public String getAboutValue()
+    {
+        Attribute prop = getAttribute(XmpConstants.ABOUT_NAME);
+        if (prop != null)
+        {
+            return prop.getValue();
+        }
+        return null;
+    }
+
+    /**
+     * Set the RDF 'about' attribute
+     * 
+     * @param about
+     *            the well-formed attribute
+     * @throws BadFieldValueException
+     *             Bad Attribute name (not corresponding to about attribute)
+     */
+    public void setAbout(Attribute about) throws BadFieldValueException
+    {
+        if (XmpConstants.RDF_NAMESPACE.equals(about.getNamespace()))
+        {
+            if (XmpConstants.ABOUT_NAME.equals(about.getName()))
+            {
+                setAttribute(about);
+                return;
+            }
+        }
+        // else
+        throw new BadFieldValueException("Attribute 'about' must be named 'rdf:about' or 'about'");
+    }
+
+    /**
+     * Set the RDF 'about' attribute. Passing in null will clear this attribute.
+     * 
+     * @param about
+     *            The new RFD about value.
+     */
+    public void setAboutAsSimple(String about)
+    {
+        if (about == null)
+        {
+            removeAttribute(XmpConstants.ABOUT_NAME);
+        }
+        else
+        {
+            setAttribute(new Attribute(XmpConstants.RDF_NAMESPACE, XmpConstants.ABOUT_NAME, about));
+
+        }
+    }
+
+    private void setSpecifiedSimpleTypeProperty(Types type, String qualifiedName, Object propertyValue)
+    {
+        if (propertyValue == null)
+        {
+            // Search in properties to erase
+            Iterator<AbstractField> it = getContainer().getAllProperties().iterator();
+            AbstractField tmp;
+            while (it.hasNext())
+            {
+                tmp = it.next();
+                if (tmp.getPropertyName().equals(qualifiedName))
+                {
+                    getContainer().removeProperty(tmp);
+                    return;
+                }
+            }
+        }
+        else
+        {
+            AbstractSimpleProperty specifiedTypeProperty;
+            try
+            {
+                TypeMapping tm = getMetadata().getTypeMapping();
+                specifiedTypeProperty = tm.instanciateSimpleProperty(null, getPrefix(), qualifiedName, propertyValue,
+                        type);
+            }
+            catch (Exception e)
+            {
+                throw new IllegalArgumentException(
+                        "Failed to create property with the specified type given in parameters", e);
+            }
+            // attribute placement for simple property has been removed
+            // Search in properties to erase
+            Iterator<AbstractField> it = getAllProperties().iterator();
+            AbstractField tmp;
+            while (it.hasNext())
+            {
+                tmp = it.next();
+                if (tmp.getPropertyName().equals(qualifiedName))
+                {
+                    removeProperty(tmp);
+                    addProperty(specifiedTypeProperty);
+                    return;
+                }
+            }
+            addProperty(specifiedTypeProperty);
+        }
+    }
+
+    /**
+     * Add a SimpleProperty to this schema
+     * 
+     * @param prop
+     *            The Property to add
+     */
+    private void setSpecifiedSimpleTypeProperty(AbstractSimpleProperty prop)
+    {
+        // attribute placement for simple property has been removed
+        // Search in properties to erase
+        Iterator<AbstractField> it = getAllProperties().iterator();
+        AbstractField tmp;
+        while (it.hasNext())
+        {
+            tmp = it.next();
+            if (tmp.getPropertyName().equals(prop.getPropertyName()))
+            {
+                removeProperty(tmp);
+                addProperty(prop);
+                return;
+            }
+        }
+        addProperty(prop);
+    }
+
+    /**
+     * Set TextType property
+     * 
+     * @param prop
+     *            The text property to add
+     */
+    public void setTextProperty(TextType prop)
+    {
+        setSpecifiedSimpleTypeProperty(prop);
+    }
+
+    /**
+     * Set a simple text property on the schema.
+     * 
+     * @param qualifiedName
+     *            The name of the property, it must contain the namespace prefix, ie "pdf:Keywords"
+     * @param propertyValue
+     *            The value for the property, can be any string. Passing null will remove the property.
+     */
+    public void setTextPropertyValue(String qualifiedName, String propertyValue)
+    {
+        setSpecifiedSimpleTypeProperty(Types.Text, qualifiedName, propertyValue);
+    }
+
+    /**
+     * Set a simple text property on the schema, using the current prefix.
+     * 
+     * @param simpleName
+     *            the name of the property without prefix
+     * @param propertyValue
+     *            The value for the property, can be any string. Passing null will remove the property.
+     */
+    public void setTextPropertyValueAsSimple(String simpleName, String propertyValue)
+    {
+        this.setTextPropertyValue(simpleName, propertyValue);
+    }
+
+    /**
+     * Get a TextProperty Type from its name
+     * 
+     * @param qualifiedName
+     *            The full qualified name of the property wanted
+     * @return The Text Type property wanted
+     */
+    public TextType getUnqualifiedTextProperty(String name)
+    {
+        String qualifiedName = name;
+        AbstractField prop = getAbstractProperty(qualifiedName);
+        if (prop != null)
+        {
+            if (prop instanceof TextType)
+            {
+                return (TextType) prop;
+            }
+            else
+            {
+                throw new IllegalArgumentException("Property asked is not a Text Property");
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Get the value of a simple text property.
+     * 
+     * @param qualifiedName
+     *            The name of the property to get, it must include the namespace prefix. ie "pdf:Keywords".
+     * 
+     * @return The value of the text property or the null if there is no value.
+     * 
+     */
+    public String getUnqualifiedTextPropertyValue(String name)
+    {
+        TextType tt = getUnqualifiedTextProperty(name);
+        return tt == null ? null : tt.getStringValue();
+    }
+
+    /**
+     * Get the Date property with its name
+     * 
+     * @param qualifiedName
+     *            The name of the property to get, it must include the namespace prefix. ie "pdf:Keywords".
+     * @return Date Type property
+     * 
+     */
+    public DateType getDateProperty(String qualifiedName)
+    {
+        AbstractField prop = getAbstractProperty(qualifiedName);
+        if (prop != null)
+        {
+            if (prop instanceof DateType)
+            {
+                return (DateType) prop;
+            }
+            else
+            {
+                throw new IllegalArgumentException("Property asked is not a Date Property");
+            }
+
+        }
+        return null;
+    }
+
+    /**
+     * Get a simple date property value on the schema, using the current prefix.
+     * 
+     * @param simpleName
+     *            the local name of the property to get
+     * @return The value of the property as a calendar.
+     * 
+     */
+    public Calendar getDatePropertyValueAsSimple(String simpleName)
+    {
+        return this.getDatePropertyValue(simpleName);
+    }
+
+    /**
+     * Get the value of the property as a date.
+     * 
+     * @param qualifiedName
+     *            The fully qualified property name for the date.
+     * 
+     * @return The value of the property as a date.
+     * 
+     */
+    public Calendar getDatePropertyValue(String qualifiedName)
+    {
+        AbstractField prop = getAbstractProperty(qualifiedName);
+        if (prop != null)
+        {
+            if (prop instanceof DateType)
+            {
+                return ((DateType) prop).getValue();
+            }
+            else
+            {
+                throw new IllegalArgumentException("Property asked is not a Date Property");
+            }
+
+        }
+        return null;
+    }
+
+    /**
+     * Set a new DateProperty
+     * 
+     * @param date
+     *            The DateType Property
+     */
+    public void setDateProperty(DateType date)
+    {
+        setSpecifiedSimpleTypeProperty(date);
+    }
+
+    /**
+     * Set a simple Date property on the schema, using the current prefix.
+     * 
+     * @param simpleName
+     *            the name of the property without prefix
+     * @param date
+     *            The calendar value for the property, can be any string. Passing null will remove the property.
+     */
+    public void setDatePropertyValueAsSimple(String simpleName, Calendar date)
+    {
+        this.setDatePropertyValue(simpleName, date);
+    }
+
+    /**
+     * Set the value of the property as a date.
+     * 
+     * @param qualifiedName
+     *            The fully qualified property name for the date.
+     * @param date
+     *            The date to set, or null to clear.
+     */
+    public void setDatePropertyValue(String qualifiedName, Calendar date)
+    {
+        setSpecifiedSimpleTypeProperty(Types.Date, qualifiedName, date);
+
+    }
+
+    /**
+     * Get a BooleanType property with its name
+     * 
+     * @param qualifiedName
+     *            the full qualified name of property wanted
+     * @return boolean Type property
+     */
+    public BooleanType getBooleanProperty(String qualifiedName)
+    {
+        AbstractField prop = getAbstractProperty(qualifiedName);
+        if (prop != null)
+        {
+            if (prop instanceof BooleanType)
+            {
+                return (BooleanType) prop;
+            }
+            else
+            {
+                throw new IllegalArgumentException("Property asked is not a Boolean Property");
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Get a simple boolean property value on the schema, using the current prefix.
+     * 
+     * @param simpleName
+     *            the local name of property wanted
+     * @return The value of the property as a boolean.
+     */
+    public Boolean getBooleanPropertyValueAsSimple(String simpleName)
+    {
+        return this.getBooleanPropertyValue(simpleName);
+    }
+
+    /**
+     * Get the value of the property as a boolean.
+     * 
+     * @param qualifiedName
+     *            The fully qualified property name for the boolean.
+     * 
+     * @return The value of the property as a boolean. Return null if property not exist
+     */
+    public Boolean getBooleanPropertyValue(String qualifiedName)
+    {
+        AbstractField prop = getAbstractProperty(qualifiedName);
+        if (prop != null)
+        {
+            if (prop instanceof BooleanType)
+            {
+                return ((BooleanType) prop).getValue();
+            }
+            else
+            {
+                throw new IllegalArgumentException("Property asked is not a Boolean Property");
+            }
+        }
+        // Return null if property not exist. This method give the property
+        // value so treat this return in this way.
+        // If you want to use this value like a condition, you must check this
+        // return before
+        return null;
+    }
+
+    /**
+     * Set a BooleanType property
+     * 
+     * @param bool
+     *            the booleanType property
+     */
+    public void setBooleanProperty(BooleanType bool)
+    {
+        setSpecifiedSimpleTypeProperty(bool);
+    }
+
+    /**
+     * Set a simple Boolean property on the schema, using the current prefix.
+     * 
+     * @param simpleName
+     *            the name of the property without prefix
+     * @param bool
+     *            The value for the property, can be any string. Passing null will remove the property.
+     */
+    public void setBooleanPropertyValueAsSimple(String simpleName, Boolean bool)
+    {
+        this.setBooleanPropertyValue(simpleName, bool);
+    }
+
+    /**
+     * Set the value of the property as a boolean.
+     * 
+     * @param qualifiedName
+     *            The fully qualified property name for the boolean.
+     * @param bool
+     *            The boolean to set, or null to clear.
+     */
+    public void setBooleanPropertyValue(String qualifiedName, Boolean bool)
+    {
+        setSpecifiedSimpleTypeProperty(Types.Boolean, qualifiedName, bool);
+    }
+
+    /**
+     * Get the Integer property with its name
+     * 
+     * @param qualifiedName
+     *            the full qualified name of property wanted
+     * @return Integer Type property
+     */
+    public IntegerType getIntegerProperty(String qualifiedName)
+    {
+        AbstractField prop = getAbstractProperty(qualifiedName);
+        if (prop != null)
+        {
+            if (prop instanceof IntegerType)
+            {
+                return ((IntegerType) prop);
+            }
+            else
+            {
+                throw new IllegalArgumentException("Property asked is not an Integer Property");
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Get a simple integer property value on the schema, using the current prefix.
+     * 
+     * @param simpleName
+     *            the local name of property wanted
+     * @return The value of the property as an integer.
+     */
+    public Integer getIntegerPropertyValueAsSimple(String simpleName)
+    {
+        return this.getIntegerPropertyValue(simpleName);
+    }
+
+    /**
+     * Get the value of the property as an integer.
+     * 
+     * @param qualifiedName
+     *            The fully qualified property name for the integer.
+     * 
+     * @return The value of the property as an integer.
+     */
+    public Integer getIntegerPropertyValue(String qualifiedName)
+    {
+        AbstractField prop = getAbstractProperty(qualifiedName);
+        if (prop != null)
+        {
+            if (prop instanceof IntegerType)
+            {
+                return ((IntegerType) prop).getValue();
+            }
+            else
+            {
+                throw new IllegalArgumentException("Property asked is not an Integer Property");
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Add an integerProperty
+     * 
+     * @param prop
+     *            The Integer Type property
+     */
+    public void setIntegerProperty(IntegerType prop)
+    {
+        setSpecifiedSimpleTypeProperty(prop);
+    }
+
+    /**
+     * Set a simple Integer property on the schema, using the current prefix.
+     * 
+     * @param simpleName
+     *            the name of the property without prefix
+     * @param intValue
+     *            The value for the property, can be any string. Passing null will remove the property.
+     */
+    public void setIntegerPropertyValueAsSimple(String simpleName, Integer intValue)
+    {
+        this.setIntegerPropertyValue(simpleName, intValue);
+    }
+
+    /**
+     * Set the value of the property as an integer.
+     * 
+     * @param qualifiedName
+     *            The fully qualified property name for the integer.
+     * @param intValue
+     *            The int to set, or null to clear.
+     */
+    public void setIntegerPropertyValue(String qualifiedName, Integer intValue)
+    {
+        setSpecifiedSimpleTypeProperty(Types.Integer, qualifiedName, intValue);
+    }
+
+    /**
+     * Generic array property removing
+     * 
+     * @param qualifiedArrayName
+     *            the full qualified name of property wanted
+     * @param fieldValue
+     *            the field value
+     */
+    private void removeUnqualifiedArrayValue(String arrayName, String fieldValue)
+    {
+        ArrayProperty array = (ArrayProperty) getAbstractProperty(arrayName);
+        if (array != null)
+        {
+            ArrayList<AbstractField> toDelete = new ArrayList<AbstractField>();
+            Iterator<AbstractField> it = array.getContainer().getAllProperties().iterator();
+            AbstractSimpleProperty tmp;
+            while (it.hasNext())
+            {
+                tmp = (AbstractSimpleProperty) it.next();
+                if (tmp.getStringValue().equals(fieldValue))
+                {
+                    toDelete.add(tmp);
+                }
+            }
+            Iterator<AbstractField> eraseProperties = toDelete.iterator();
+            while (eraseProperties.hasNext())
+            {
+                array.getContainer().removeProperty(eraseProperties.next());
+            }
+        }
+
+    }
+
+    /**
+     * Remove all matching entries with the given value from the bag.
+     * 
+     * @param qualifiedBagName
+     *            The name of the bag, it must include the namespace prefix. ie "pdf:Keywords".
+     * @param bagValue
+     *            The value to remove from the bagList.
+     */
+    public void removeUnqualifiedBagValue(String bagName, String bagValue)
+    {
+        removeUnqualifiedArrayValue(bagName, bagValue);
+    }
+
+    /**
+     * add a bag value property on the schema, using the current prefix.
+     * 
+     * @param simpleName
+     *            the local name of property
+     * @param bagValue
+     *            the string value to add
+     */
+    public void addBagValueAsSimple(String simpleName, String bagValue)
+    {
+        this.internalAddBagValue(simpleName, bagValue);
+    }
+
+    private void internalAddBagValue(String qualifiedBagName, String bagValue)
+    {
+        ArrayProperty bag = (ArrayProperty) getAbstractProperty(qualifiedBagName);
+        TextType li = createTextType(XmpConstants.LIST_NAME, bagValue);
+        if (bag != null)
+        {
+            bag.getContainer().addProperty(li);
+        }
+        else
+        {
+            ArrayProperty newBag = createArrayProperty(qualifiedBagName, Cardinality.Bag);
+            newBag.getContainer().addProperty(li);
+            addProperty(newBag);
+        }
+    }
+
+    /**
+     * Add an entry to a bag property.
+     * 
+     * @param simpleName
+     *            The name of the bag without the namespace prefix
+     * @param bagValue
+     *            The value to add to the bagList.
+     */
+    public void addQualifiedBagValue(String simpleName, String bagValue)
+    {
+        internalAddBagValue(simpleName, bagValue);
+    }
+
+    /**
+     * Get all the values of the bag property. This will return a list of java.lang.String objects, this is a read-only
+     * list.
+     * 
+     * @param qualifiedBagName
+     *            The name of the bag property to get without namespace prefix.
+     * 
+     * @return All values of the bag property in a list.
+     */
+    public List<String> getUnqualifiedBagValueList(String bagName)
+    {
+        ArrayProperty array = (ArrayProperty) getAbstractProperty(bagName);
+        if (array != null)
+        {
+            return array.getElementsAsString();
+        }
+        else
+        {
+            return null;
+        }
+    }
+
+    /**
+     * Remove all matching values from a sequence property.
+     * 
+     * @param qualifiedSeqName
+     *            The name of the sequence property. It must include the namespace prefix. ie "pdf:Keywords".
+     * @param seqValue
+     *            The value to remove from the list.
+     */
+    public void removeUnqualifiedSequenceValue(String qualifiedSeqName, String seqValue)
+    {
+        removeUnqualifiedArrayValue(qualifiedSeqName, seqValue);
+    }
+
+    /**
+     * Generic method to remove a field from an array with an Elementable Object
+     * 
+     * @param qualifiedArrayName
+     *            the full qualified name of the property concerned
+     * @param fieldValue
+     *            the elementable field value
+     */
+    public void removeUnqualifiedArrayValue(String arrayName, AbstractField fieldValue)
+    {
+        String qualifiedArrayName = arrayName;
+        ArrayProperty array = (ArrayProperty) getAbstractProperty(qualifiedArrayName);
+        if (array != null)
+        {
+            ArrayList<AbstractField> toDelete = new ArrayList<AbstractField>();
+            Iterator<AbstractField> it = array.getContainer().getAllProperties().iterator();
+            AbstractSimpleProperty tmp;
+            while (it.hasNext())
+            {
+                tmp = (AbstractSimpleProperty) it.next();
+                if (tmp.equals(fieldValue))
+                {
+                    toDelete.add(tmp);
+                }
+            }
+            Iterator<AbstractField> eraseProperties = toDelete.iterator();
+            while (eraseProperties.hasNext())
+            {
+                array.getContainer().removeProperty(eraseProperties.next());
+            }
+        }
+    }
+
+    /**
+     * Remove a value from a sequence property. This will remove all entries from the list.
+     * 
+     * @param qualifiedSeqName
+     *            The name of the sequence property. It must include the namespace prefix. ie "pdf:Keywords".
+     * @param seqValue
+     *            The value to remove from the list.
+     */
+    public void removeUnqualifiedSequenceValue(String qualifiedSeqName, AbstractField seqValue)
+    {
+        removeUnqualifiedArrayValue(qualifiedSeqName, seqValue);
+    }
+
+    /**
+     * Add a new value to a sequence property.
+     * 
+     * @param qualifiedSeqName
+     *            The name of the sequence property without the namespace prefix
+     * @param seqValue
+     *            The value to add to the sequence.
+     */
+    public void addUnqualifiedSequenceValue(String simpleSeqName, String seqValue)
+    {
+        String qualifiedSeqName = simpleSeqName;
+        ArrayProperty seq = (ArrayProperty) getAbstractProperty(qualifiedSeqName);
+        TextType li = createTextType(XmpConstants.LIST_NAME, seqValue);
+        if (seq != null)
+        {
+            seq.getContainer().addProperty(li);
+        }
+        else
+        {
+            ArrayProperty newSeq = createArrayProperty(simpleSeqName, Cardinality.Seq);
+            newSeq.getContainer().addProperty(li);
+            addProperty(newSeq);
+        }
+    }
+
+    /**
+     * Add a new value to a bag property.
+     * 
+     * @param qualifiedSeqName
+     *            The name of the sequence property, it must include the namespace prefix. ie "pdf:Keywords"
+     * @param seqValue
+     *            The value to add to the bag.
+     */
+    public void addBagValue(String qualifiedSeqName, AbstractField seqValue)
+    {
+        ArrayProperty bag = (ArrayProperty) getAbstractProperty(qualifiedSeqName);
+        if (bag != null)
+        {
+            bag.getContainer().addProperty(seqValue);
+        }
+        else
+        {
+            ArrayProperty newBag = createArrayProperty(qualifiedSeqName, Cardinality.Bag);
+            newBag.getContainer().addProperty(seqValue);
+            addProperty(newBag);
+        }
+    }
+
+    /**
+     * Add a new value to a sequence property.
+     * 
+     * @param qualifiedSeqName
+     *            The name of the sequence property, it must include the namespace prefix. ie "pdf:Keywords"
+     * @param seqValue
+     *            The value to add to the sequence.
+     */
+    public void addUnqualifiedSequenceValue(String seqName, AbstractField seqValue)
+    {
+        String qualifiedSeqName = seqName;
+        ArrayProperty seq = (ArrayProperty) getAbstractProperty(qualifiedSeqName);
+        if (seq != null)
+        {
+            seq.getContainer().addProperty(seqValue);
+        }
+        else
+        {
+            ArrayProperty newSeq = createArrayProperty(seqName, Cardinality.Seq);
+            newSeq.getContainer().addProperty(seqValue);
+            addProperty(newSeq);
+        }
+    }
+
+    /**
+     * Get all the values in a sequence property.
+     * 
+     * @param qualifiedSeqName
+     *            The name of the sequence property without namespace prefix.
+     * 
+     * @return A read-only list of java.lang.String objects or null if the property does not exist.
+     */
+    public List<String> getUnqualifiedSequenceValueList(String seqName)
+    {
+        ArrayProperty array = (ArrayProperty) getAbstractProperty(seqName);
+        if (array != null)
+        {
+            return array.getElementsAsString();
+        }
+        else
+        {
+            return null;
+        }
+    }
+
+    /**
+     * Remove a date sequence value from the list.
+     * 
+     * @param qualifiedSeqName
+     *            The name of the sequence property, it must include the namespace prefix. ie "pdf:Keywords"
+     * @param date
+     *            The date to remove from the sequence property.
+     */
+    public void removeUnqualifiedSequenceDateValue(String seqName, Calendar date)
+    {
+        String qualifiedSeqName = seqName;
+        ArrayProperty seq = (ArrayProperty) getAbstractProperty(qualifiedSeqName);
+        if (seq != null)
+        {
+            ArrayList<AbstractField> toDelete = new ArrayList<AbstractField>();
+            Iterator<AbstractField> it = seq.getContainer().getAllProperties().iterator();
+            AbstractField tmp;
+            while (it.hasNext())
+            {
+                tmp = it.next();
+                if (tmp instanceof DateType)
+                {
+                    if (((DateType) tmp).getValue().equals(date))
+                    {
+                        toDelete.add(tmp);
+
+                    }
+                }
+            }
+            Iterator<AbstractField> eraseProperties = toDelete.iterator();
+            while (eraseProperties.hasNext())
+            {
+                seq.getContainer().removeProperty(eraseProperties.next());
+            }
+        }
+    }
+
+    /**
+     * Add a date sequence value to the list using the current prefix
+     * 
+     * @param simpleName
+     *            the local name of the property
+     * @param date
+     *            the value to add
+     */
+    public void addSequenceDateValueAsSimple(String simpleName, Calendar date)
+    {
+        addUnqualifiedSequenceDateValue(simpleName, date);
+    }
+
+    /**
+     * Add a date sequence value to the list.
+     * 
+     * @param qualifiedSeqName
+     *            The name of the sequence property, it must include the namespace prefix. ie "pdf:Keywords"
+     * @param date
+     *            The date to add to the sequence property.
+     */
+    public void addUnqualifiedSequenceDateValue(String seqName, Calendar date)
+    {
+        addUnqualifiedSequenceValue(
+                seqName,
+                getMetadata().getTypeMapping().createDate(null, XmpConstants.DEFAULT_RDF_LOCAL_NAME,
+                        XmpConstants.LIST_NAME, date));
+    }
+
+    /**
+     * Get all the date values in a sequence property.
+     * 
+     * @param qualifiedSeqName
+     *            The name of the sequence property, it must include the namespace prefix. ie "pdf:Keywords".
+     * 
+     * @return A read-only list of java.util.Calendar objects or null if the property does not exist.
+     * 
+     */
+    public List<Calendar> getUnqualifiedSequenceDateValueList(String seqName)
+    {
+        String qualifiedSeqName = seqName;
+        List<Calendar> retval = null;
+        ArrayProperty seq = (ArrayProperty) getAbstractProperty(qualifiedSeqName);
+        if (seq != null)
+        {
+            retval = new ArrayList<Calendar>();
+            Iterator<AbstractField> it = seq.getContainer().getAllProperties().iterator();
+            AbstractField tmp;
+            while (it.hasNext())
+            {
+                tmp = it.next();
+                if (tmp instanceof DateType)
+                {
+                    retval.add(((DateType) tmp).getValue());
+                }
+            }
+        }
+        return retval;
+    }
+
+    /**
+     * Method used to place the 'x-default' value in first in Language alternatives as said in xmp spec
+     * 
+     * @param alt
+     *            The property to reorganize
+     */
+    public void reorganizeAltOrder(ComplexPropertyContainer alt)
+    {
+        Iterator<AbstractField> it = alt.getAllProperties().iterator();
+        AbstractField xdefault = null;
+        boolean xdefaultFound = false;
+        // If alternatives contains x-default in first value
+        if (it.hasNext())
+        {
+            if (it.next().getAttribute(XmpConstants.LANG_NAME).getValue().equals(XmpConstants.X_DEFAULT))
+            {
+                return;
+            }
+        }
+        // Find the xdefault definition
+        while (it.hasNext() && !xdefaultFound)
+        {
+            xdefault = it.next();
+            if (xdefault.getAttribute(XmpConstants.LANG_NAME).getValue().equals(XmpConstants.X_DEFAULT))
+            {
+                alt.removeProperty(xdefault);
+                xdefaultFound = true;
+            }
+        }
+        if (xdefaultFound)
+        {
+            it = alt.getAllProperties().iterator();
+            ArrayList<AbstractField> reordered = new ArrayList<AbstractField>();
+            ArrayList<AbstractField> toDelete = new ArrayList<AbstractField>();
+            reordered.add(xdefault);
+            AbstractField tmp;
+            while (it.hasNext())
+            {
+                tmp = it.next();
+                reordered.add(tmp);
+                toDelete.add(tmp);
+            }
+            Iterator<AbstractField> eraseProperties = toDelete.iterator();
+            while (eraseProperties.hasNext())
+            {
+                alt.removeProperty(eraseProperties.next());
+            }
+            it = reordered.iterator();
+            while (it.hasNext())
+            {
+                alt.addProperty(it.next());
+            }
+        }
+
+    }
+
+    /**
+     * Set the value of a multi-lingual property.
+     * 
+     * @param qualifiedName
+     *            The name of the property, it must include the namespace prefix. ie "pdf:Keywords"
+     * @param language
+     *            The language code of the value. If null then "x-default" is assumed.
+     * @param value
+     *            The value of the property in the specified language.
+     */
+    public void setUnqualifiedLanguagePropertyValue(String name, String language, String value)
+    {
+        String qualifiedName = name;
+        AbstractField property = getAbstractProperty(qualifiedName);
+        ArrayProperty prop;
+        if (property != null)
+        {
+            // Analyzing content of property
+            if (property instanceof ArrayProperty)
+            {
+                prop = (ArrayProperty) property;
+                Iterator<AbstractField> itCplx = prop.getContainer().getAllProperties().iterator();
+                // try to find the same lang definition
+                AbstractField tmp;
+                // Try to find a definition
+                while (itCplx.hasNext())
+                {
+                    tmp = itCplx.next();
+                    // System.err.println(tmp.getAttribute("xml:lang").getStringValue());
+                    if (tmp.getAttribute(XmpConstants.LANG_NAME).getValue().equals(language))
+                    {
+                        // the same language has been found
+                        if (value == null)
+                        {
+                            // if value null, erase this definition
+                            prop.getContainer().removeProperty(tmp);
+                        }
+                        else
+                        {
+                            prop.getContainer().removeProperty(tmp);
+                            TextType langValue;
+                            langValue = createTextType(XmpConstants.LIST_NAME, value);
+
+                            langValue.setAttribute(new Attribute(XMLConstants.XML_NS_URI, XmpConstants.LANG_NAME,
+                                    language));
+                            prop.getContainer().addProperty(langValue);
+                        }
+                        reorganizeAltOrder(prop.getContainer());
+                        return;
+                    }
+                }
+                // if no definition found, we add a new one
+                TextType langValue;
+                langValue = createTextType(XmpConstants.LIST_NAME, value);
+                langValue.setAttribute(new Attribute(XMLConstants.XML_NS_URI, XmpConstants.LANG_NAME, language));
+                prop.getContainer().addProperty(langValue);
+                reorganizeAltOrder(prop.getContainer());
+            }
+        }
+        else
+        {
+            prop = createArrayProperty(name, Cardinality.Alt);
+            TextType langValue;
+            langValue = createTextType(XmpConstants.LIST_NAME, value);
+            langValue.setAttribute(new Attribute(XMLConstants.XML_NS_URI, XmpConstants.LANG_NAME, language));
+            prop.getContainer().addProperty(langValue);
+            addProperty(prop);
+        }
+    }
+
+    /**
+     * Get the value of a multi-lingual property.
+     * 
+     * @param qualifiedName
+     *            The name of the property, without the namespace prefix.
+     * @param language
+     *            The language code of the value. If null then "x-default" is assumed.
+     * 
+     * @return The value of the language property.
+     */
+    public String getUnqualifiedLanguagePropertyValue(String name, String expectedLanguage)
+    {
+        String language = (expectedLanguage != null) ? expectedLanguage : XmpConstants.X_DEFAULT;
+        AbstractField property = getAbstractProperty(name);
+        if (property != null)
+        {
+            if (property instanceof ArrayProperty)
+            {
+                ArrayProperty prop = (ArrayProperty) property;
+                Iterator<AbstractField> langsDef = prop.getContainer().getAllProperties().iterator();
+                AbstractField tmp;
+                Attribute text;
+                while (langsDef.hasNext())
+                {
+                    tmp = langsDef.next();
+                    text = tmp.getAttribute(XmpConstants.LANG_NAME);
+                    if (text != null)
+                    {
+                        if (text.getValue().equals(language))
+                        {
+                            return ((TextType) tmp).getStringValue();
+                        }
+                    }
+                }
+                return null;
+            }
+            else
+            {
+                throw new IllegalArgumentException("The property '" + name + "' is not of Lang Alt type");
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Get a list of all languages that are currently defined for a specific property.
+     * 
+     * @param qualifiedName
+     *            The name of the property, it must include the namespace prefix. ie "pdf:Keywords"
+     * 
+     * @return A list of all languages, this will return an non-null empty list if none have been defined.
+     */
+    public List<String> getUnqualifiedLanguagePropertyLanguagesValue(String name)
+    {
+        List<String> retval = new ArrayList<String>();
+        AbstractField property = getAbstractProperty(name);
+        if (property != null)
+        {
+            if (property instanceof ArrayProperty)
+            {
+                ArrayProperty prop = (ArrayProperty) property;
+                Iterator<AbstractField> langsDef = prop.getContainer().getAllProperties().iterator();
+                AbstractField tmp;
+                Attribute text;
+                while (langsDef.hasNext())
+                {
+                    tmp = langsDef.next();
+                    text = tmp.getAttribute(XmpConstants.LANG_NAME);
+                    if (text != null)
+                    {
+                        retval.add(text.getValue());
+                    }
+                    else
+                    {
+                        retval.add(XmpConstants.X_DEFAULT);
+                    }
+                }
+                return retval;
+            }
+            else
+            {
+                throw new IllegalArgumentException("The property '" + name + "' is not of Lang Alt type");
+            }
+        }
+        // no property with that name
+        return null;
+    }
+
+    /**
+     * A basic schema merge, it merges bags and sequences and replace everything else.
+     * 
+     * @param xmpSchema
+     *            The schema to merge.
+     * @throws IOException
+     *             If there is an error during the merge.
+     */
+    public void merge(XMPSchema xmpSchema) throws IOException
+    {
+        if (!xmpSchema.getClass().equals(this.getClass()))
+        {
+            throw new IOException("Can only merge schemas of the same type.");
+        }
+
+        Iterator<Attribute> itAtt = xmpSchema.getAllAttributes().iterator();
+        Attribute att;
+        while (itAtt.hasNext())
+        {
+            att = itAtt.next();
+            if (att.getNamespace().equals(getNamespace()))
+            {
+                setAttribute(att);
+            }
+        }
+
+        String analyzedPropQualifiedName;
+        Iterator<AbstractField> itProp = xmpSchema.getContainer().getAllProperties().iterator();
+        AbstractField prop;
+        while (itProp.hasNext())
+        {
+            prop = itProp.next();
+            if (prop.getPrefix().equals(getPrefix()))
+            {
+                if (prop instanceof ArrayProperty)
+                {
+                    analyzedPropQualifiedName = prop.getPropertyName();
+                    Iterator<AbstractField> itActualEmbeddedProperties = getAllProperties().iterator();
+                    AbstractField tmpEmbeddedProperty;
+
+                    Iterator<AbstractField> itNewValues;
+                    TextType tmpNewValue;
+
+                    Iterator<AbstractField> itOldValues;
+                    TextType tmpOldValue;
+
+                    boolean alreadyPresent = false;
+
+                    while (itActualEmbeddedProperties.hasNext())
+                    {
+                        tmpEmbeddedProperty = itActualEmbeddedProperties.next();
+                        if (tmpEmbeddedProperty instanceof ArrayProperty)
+                        {
+                            if (tmpEmbeddedProperty.getPropertyName().equals(analyzedPropQualifiedName))
+                            {
+                                itNewValues = ((ArrayProperty) prop).getContainer().getAllProperties().iterator();
+                                // Merge a complex property
+                                while (itNewValues.hasNext())
+                                {
+                                    tmpNewValue = (TextType) itNewValues.next();
+                                    itOldValues = ((ArrayProperty) tmpEmbeddedProperty).getContainer()
+                                            .getAllProperties().iterator();
+                                    while (itOldValues.hasNext() && !alreadyPresent)
+                                    {
+                                        tmpOldValue = (TextType) itOldValues.next();
+                                        if (tmpOldValue.getStringValue().equals(tmpNewValue.getStringValue()))
+                                        {
+                                            alreadyPresent = true;
+                                        }
+                                    }
+                                    if (!alreadyPresent)
+                                    {
+                                        ((ArrayProperty) tmpEmbeddedProperty).getContainer().addProperty(tmpNewValue);
+                                    }
+                                }
+
+                            }
+                        }
+                    }
+                }
+                else
+                {
+                    addProperty(prop);
+                }
+            }
+        }
+    }
+
+    /**
+     * Get an AbstractField list corresponding to the content of an array Return null if the property is unknown
+     * 
+     * @param nam
+     *            the property name whitout namespace;
+     * @return List of property contained in the complex property
+     * @throws BadFieldValueException
+     *             Property not contains property (not complex property)
+     */
+    public List<AbstractField> getUnqualifiedArrayList(String name) throws BadFieldValueException
+    {
+        ArrayProperty array = null;
+        Iterator<AbstractField> itProp = getAllProperties().iterator();
+        AbstractField tmp;
+        while (itProp.hasNext())
+        {
+            tmp = itProp.next();
+            if (tmp.getPropertyName().equals(name))
+            {
+                if (tmp instanceof ArrayProperty)
+                {
+                    array = (ArrayProperty) tmp;
+                    break;
+                }
+                else
+                {
+                    throw new BadFieldValueException("Property asked not seems to be an array");
+                }
+
+            }
+        }
+        if (array != null)
+        {
+            Iterator<AbstractField> it = array.getContainer().getAllProperties().iterator();
+            List<AbstractField> list = new ArrayList<AbstractField>();
+            while (it.hasNext())
+            {
+                list.add(it.next());
+            }
+            return list;
+        }
+        return null;
+    }
+
+    protected AbstractSimpleProperty instanciateSimple(String param, Object value)
+    {
+        TypeMapping tm = getMetadata().getTypeMapping();
+        return tm.instanciateSimpleField(getClass(), null, getPrefix(), param, value);
+    }
 
 }

Modified: pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/schema/XMPSchemaFactory.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/schema/XMPSchemaFactory.java?rev=1453395&r1=1453394&r2=1453395&view=diff
==============================================================================
--- pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/schema/XMPSchemaFactory.java (original)
+++ pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/schema/XMPSchemaFactory.java Wed Mar  6 15:57:44 2013
@@ -27,104 +27,115 @@ import org.apache.xmpbox.XMPMetadata;
 import org.apache.xmpbox.type.PropertiesDescription;
 import org.apache.xmpbox.type.PropertyType;
 
-
 /**
  * A factory for each kind of schemas
  * 
  * @author a183132
  * 
  */
-public class XMPSchemaFactory {
+public class XMPSchemaFactory
+{
+
+    private String namespace;
+
+    private Class<? extends XMPSchema> schemaClass;
+
+    private PropertiesDescription propDef;
 
-	private  String namespace;
-	
-	private Class<? extends XMPSchema> schemaClass;
-	
-	private PropertiesDescription propDef;
-	
-	private String nsName;
-	
-	/**
-	 * Factory Constructor for basic known schemas
-	 * 
-	 * @param namespace
-	 *            namespace URI to treat
-	 * @param schemaClass
-	 *            Class representation associated to this URI
-	 * @param propDef
-	 *            Properties Types list associated
-	 */
-	public XMPSchemaFactory(String namespace,
-			Class<? extends XMPSchema> schemaClass, PropertiesDescription propDef) {
-		this.namespace = namespace;
-		this.schemaClass = schemaClass;
-		this.propDef = propDef;
-	}
-
-	/**
-	 * Get namespace URI treated by this factory
-	 * 
-	 * @return The namespace URI
-	 */
-	public String getNamespace() {
-		return namespace;
-	}
-
-	/**
-	 * Get type declared for the name property given
-	 * 
-	 * @param name
-	 *            The property name
-	 * @return null if propery name is unknown
-	 */
-	public PropertyType getPropertyType(String name) {
-		return propDef.getPropertyType(name);
-	}
-
-	/**
-	 * Create a schema that corresponding to this factory and add it to metadata
-	 * 
-	 * @param metadata
-	 *            Metadata to attach the Schema created
-	 * @param prefix
-	 * 						The namespace prefix (optional)
-	 * @return the schema created and added to metadata
-	 * @throws XmpSchemaException
-	 *             When Instancing specified Object Schema failed
-	 */
-	public XMPSchema createXMPSchema(XMPMetadata metadata, String prefix)
-	throws XmpSchemaException {
-		XMPSchema schema = null;
-		Class<?>[] argsClass;
-		Object[] schemaArgs;
-
-		if (schemaClass == XMPSchema.class) {
-			argsClass = new Class[] { XMPMetadata.class, String.class, String.class };
-			schemaArgs = new Object[] { metadata, namespace, nsName };
-		} else if (prefix != null && !"".equals(prefix)) {
-			argsClass = new Class[] { XMPMetadata.class, String.class };
-			schemaArgs = new Object[] { metadata, prefix };
-		} else {
-			argsClass = new Class[] { XMPMetadata.class };
-			schemaArgs = new Object[] { metadata };
-		}
-
-		Constructor<? extends XMPSchema> schemaConstructor;
-		try {
-			schemaConstructor = schemaClass.getConstructor(argsClass);
-			schema = schemaConstructor.newInstance(schemaArgs);
-			if (schema != null) {
-				metadata.addSchema(schema);
-			}
-			return schema;
-		} catch (Exception e) {
-			throw new XmpSchemaException(
-					"Cannot Instanciate specified Object Schema", e);
-		}
-	}
-
-	public PropertiesDescription getPropertyDefinition () {
-		return this.propDef;
-	}
+    private String nsName;
+
+    /**
+     * Factory Constructor for basic known schemas
+     * 
+     * @param namespace
+     *            namespace URI to treat
+     * @param schemaClass
+     *            Class representation associated to this URI
+     * @param propDef
+     *            Properties Types list associated
+     */
+    public XMPSchemaFactory(String namespace, Class<? extends XMPSchema> schemaClass, PropertiesDescription propDef)
+    {
+        this.namespace = namespace;
+        this.schemaClass = schemaClass;
+        this.propDef = propDef;
+    }
+
+    /**
+     * Get namespace URI treated by this factory
+     * 
+     * @return The namespace URI
+     */
+    public String getNamespace()
+    {
+        return namespace;
+    }
+
+    /**
+     * Get type declared for the name property given
+     * 
+     * @param name
+     *            The property name
+     * @return null if propery name is unknown
+     */
+    public PropertyType getPropertyType(String name)
+    {
+        return propDef.getPropertyType(name);
+    }
+
+    /**
+     * Create a schema that corresponding to this factory and add it to metadata
+     * 
+     * @param metadata
+     *            Metadata to attach the Schema created
+     * @param prefix
+     *            The namespace prefix (optional)
+     * @return the schema created and added to metadata
+     * @throws XmpSchemaException
+     *             When Instancing specified Object Schema failed
+     */
+    public XMPSchema createXMPSchema(XMPMetadata metadata, String prefix) throws XmpSchemaException
+    {
+        XMPSchema schema = null;
+        Class<?>[] argsClass;
+        Object[] schemaArgs;
+
+        if (schemaClass == XMPSchema.class)
+        {
+            argsClass = new Class[] { XMPMetadata.class, String.class, String.class };
+            schemaArgs = new Object[] { metadata, namespace, nsName };
+        }
+        else if (prefix != null && !"".equals(prefix))
+        {
+            argsClass = new Class[] { XMPMetadata.class, String.class };
+            schemaArgs = new Object[] { metadata, prefix };
+        }
+        else
+        {
+            argsClass = new Class[] { XMPMetadata.class };
+            schemaArgs = new Object[] { metadata };
+        }
+
+        Constructor<? extends XMPSchema> schemaConstructor;
+        try
+        {
+            schemaConstructor = schemaClass.getConstructor(argsClass);
+            schema = schemaConstructor.newInstance(schemaArgs);
+            if (schema != null)
+            {
+                metadata.addSchema(schema);
+            }
+            return schema;
+        }
+        catch (Exception e)
+        {
+            throw new XmpSchemaException("Cannot Instanciate specified Object Schema", e);
+        }
+    }
+
+    public PropertiesDescription getPropertyDefinition()
+    {
+        return this.propDef;
+    }
 
 }

Modified: pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/schema/XmpSchemaException.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/schema/XmpSchemaException.java?rev=1453395&r1=1453394&r2=1453395&view=diff
==============================================================================
--- pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/schema/XmpSchemaException.java (original)
+++ pdfbox/trunk/xmpbox/src/main/java/org/apache/xmpbox/schema/XmpSchemaException.java Wed Mar  6 15:57:44 2013
@@ -27,33 +27,36 @@ package org.apache.xmpbox.schema;
  * @author a183132
  * 
  */
-public class XmpSchemaException extends Exception {
+public class XmpSchemaException extends Exception
+{
 
-	/**
-	 * serial version uid
-	 */
-	private static final long serialVersionUID = -980712488563404867L;
+    /**
+     * serial version uid
+     */
+    private static final long serialVersionUID = -980712488563404867L;
 
-	/**
-	 * Create an instance of XmpSchemaException
-	 * 
-	 * @param message
-	 *            a description of the encountered problem
-	 */
-	public XmpSchemaException(String message) {
-		super(message);
-	}
+    /**
+     * Create an instance of XmpSchemaException
+     * 
+     * @param message
+     *            a description of the encountered problem
+     */
+    public XmpSchemaException(String message)
+    {
+        super(message);
+    }
 
-	/**
-	 * Create an instance of XmpSchemaException
-	 * 
-	 * @param message
-	 *            a description of the encountered problem
-	 * @param cause
-	 *            the cause of the exception
-	 */
-	public XmpSchemaException(String message, Throwable cause) {
-		super(message, cause);
-	}
+    /**
+     * Create an instance of XmpSchemaException
+     * 
+     * @param message
+     *            a description of the encountered problem
+     * @param cause
+     *            the cause of the exception
+     */
+    public XmpSchemaException(String message, Throwable cause)
+    {
+        super(message, cause);
+    }
 
 }



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