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From apope...@apache.org
Subject svn commit: r375572 - in /incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr: persistence/atomictypeconverter/ persistence/atomictypeconverter/impl/ reflection/
Date Tue, 07 Feb 2006 10:40:39 GMT
Author: apopescu
Date: Tue Feb  7 02:40:36 2006
New Revision: 375572

URL: http://svn.apache.org/viewcvs?rev=375572&view=rev
Log:
Added AtomicTypeConverterProvider, implementation and default
Added ReflectionUtils (decoupled ObjectConverter from reflection usage)

Added:
    incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/AtomicTypeConverterProvider.java
    incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/impl/AtomicTypeConverterProviderImpl.java
    incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/impl/DefaultAtomicTypeConverterProvider.java
    incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/reflection/ReflectionUtils.java

Added: incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/AtomicTypeConverterProvider.java
URL: http://svn.apache.org/viewcvs/incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/AtomicTypeConverterProvider.java?rev=375572&view=auto
==============================================================================
--- incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/AtomicTypeConverterProvider.java
(added)
+++ incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/AtomicTypeConverterProvider.java
Tue Feb  7 02:40:36 2006
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2004-2005 The Apache Software Foundation or its licensors,
+ *                     as applicable.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.portals.graffito.jcr.persistence.atomictypeconverter;
+
+
+import java.util.Map;
+
+/**
+ * This interface defines a provider for accessing
+ * {@link org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter}
+ * 
+ * @author <a href='mailto:the_mindstorm[at]evolva[dot]ro'>Alexandru Popescu</a>
+ */
+public interface AtomicTypeConverterProvider {
+    /**
+     * Retrieves the <code>AtomicTypeConverter</code> associated with a class.
+     * 
+     * @param clazz a class
+     * @return the corresponding <code>AtomicTypeConverter</code> or <tt>null</tt>
+     * if the class has no <code>AtomicTypeConverter</code> associated
+     */
+    AtomicTypeConverter getAtomicTypeConverter(Class clazz);
+
+    /**
+     * Returns a map of all registered <code>AtomicTypeConverter<code>s.
+     * 
+     * @return <code>Map<Class, AtomicTypeConverter></code>
+     */
+    Map getAtomicTypeConverters();
+
+}
\ No newline at end of file

Added: incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/impl/AtomicTypeConverterProviderImpl.java
URL: http://svn.apache.org/viewcvs/incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/impl/AtomicTypeConverterProviderImpl.java?rev=375572&view=auto
==============================================================================
--- incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/impl/AtomicTypeConverterProviderImpl.java
(added)
+++ incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/impl/AtomicTypeConverterProviderImpl.java
Tue Feb  7 02:40:36 2006
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2004-2005 The Apache Software Foundation or its licensors,
+ *                     as applicable.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.portals.graffito.jcr.persistence.atomictypeconverter.impl;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+import org.apache.portals.graffito.jcr.exception.IncorrectAtomicTypeException;
+import org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter;
+import org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverterProvider;
+
+
+/**
+ * Implementation of {@link AtomicTypeConverterProvider}.
+ * 
+ * @author <a href='mailto:the_mindstorm[at]evolva[dot]ro'>Alexandru Popescu</a>
+ */
+public class AtomicTypeConverterProviderImpl implements AtomicTypeConverterProvider {
+    protected Map m_converters;
+    protected Map m_converterInstances = new HashMap();
+    
+    /**
+     * No-arg constructor.
+     */
+    public AtomicTypeConverterProviderImpl() {
+    }
+    
+    /**
+     * Full constructor.
+     * 
+     * @param converters a map of classes and their associated <code>AtomicTypeConverter</code>
+     * classes.
+     */
+    public AtomicTypeConverterProviderImpl(Map converters) {
+        m_converters= converters;
+    }
+    
+    /**
+     * Sets the associations of classes and their <code>AtomicTypeConverter</code>
+     * classes.
+     * 
+     * @param converters <code>Map<Class, Class></code>
+     */
+    public void setAtomicTypeConvertors(Map converters) {
+        m_converters= converters;
+    }
+    
+    /**
+     * @see org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverterProvider#getAtomicTypeConverter(java.lang.Class)
+     */
+    public AtomicTypeConverter getAtomicTypeConverter(Class clazz) {
+        AtomicTypeConverter converter= (AtomicTypeConverter) m_converterInstances.get(clazz);
+        if(null != converter) {
+            return converter;
+        }
+        Class converterClass= (Class) m_converters.get(clazz);
+        if(null == converterClass) {
+            throw new IncorrectAtomicTypeException("No registered converter for class '"
+ clazz + "'");
+        }
+        
+        try {
+            converter= (AtomicTypeConverter) converterClass.newInstance();
+            m_converterInstances.put(clazz, converter);
+        }
+        catch(Exception ex) {
+            throw new IncorrectAtomicTypeException(
+                    "Cannot create converter instance from class '" + clazz + "'", ex);
+            
+        }
+        
+        return converter;
+    }
+    
+    /**
+     * @see org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverterProvider#getAtomicTypeConverters()
+     */
+    public Map getAtomicTypeConverters() {
+        Map result= new HashMap();
+        for(Iterator it= m_converters.keySet().iterator(); it.hasNext(); ) {
+            Class clazz= (Class) it.next();
+            result.put(clazz, getAtomicTypeConverter(clazz));
+        }
+        
+        return result;
+    }
+}

Added: incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/impl/DefaultAtomicTypeConverterProvider.java
URL: http://svn.apache.org/viewcvs/incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/impl/DefaultAtomicTypeConverterProvider.java?rev=375572&view=auto
==============================================================================
--- incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/impl/DefaultAtomicTypeConverterProvider.java
(added)
+++ incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/persistence/atomictypeconverter/impl/DefaultAtomicTypeConverterProvider.java
Tue Feb  7 02:40:36 2006
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2004-2005 The Apache Software Foundation or its licensors,
+ *                     as applicable.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.portals.graffito.jcr.persistence.atomictypeconverter.impl;
+
+import java.io.InputStream;
+import java.sql.Timestamp;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.HashMap;
+import java.util.Map;
+
+
+/**
+ * An <code>AtomicTypeConverterProvider</code> that registers by default the
+ * convertes available in Graffito.
+ * 
+ * @author <a href='mailto:the_mindstorm[at]evolva[dot]ro'>Alexandru Popescu</a>
+ */
+public class DefaultAtomicTypeConverterProvider extends AtomicTypeConverterProviderImpl {
+    /**
+     * No-arg constructor.
+     */
+    public DefaultAtomicTypeConverterProvider() {
+        m_converters= registerDefaultAtomicTypeConverters();
+    }
+    
+    /**
+     * Full constructor.
+     * 
+     * @param converters a map of classes and their associated <code>AtomicTypeConverter</code>
+     * classes.
+     */
+    public DefaultAtomicTypeConverterProvider(Map converters) {
+        this();
+        m_converters.putAll(converters);
+    }
+    
+    /**
+     * @see org.apache.portals.graffito.jcr.persistence.atomictypeconverter.impl.AtomicTypeConverterProviderImpl#setAtomicTypeConvertors(java.util.Map)
+     */
+    public void setAtomicTypeConvertors(Map converters) {
+        m_converters.putAll(converters);
+    }
+    
+    protected Map registerDefaultAtomicTypeConverters() {
+        Map converters= new HashMap();
+        
+        converters.put(String.class, StringTypeConverterImpl.class);
+        converters.put(InputStream.class, BinaryTypeConverterImpl.class);
+        converters.put(long.class, LongTypeConverterImpl.class);
+        converters.put(Long.class, LongTypeConverterImpl.class);
+        converters.put(int.class, IntTypeConverterImpl.class);
+        converters.put(Integer.class, IntTypeConverterImpl.class);
+        converters.put(double.class, DoubleTypeConverterImpl.class);
+        converters.put(Double.class, DoubleTypeConverterImpl.class);
+        converters.put(boolean.class, BooleanTypeConverterImpl.class);
+        converters.put(Boolean.class, BooleanTypeConverterImpl.class);
+        converters.put(Calendar.class, CalendarTypeConverterImpl.class);
+        converters.put(GregorianCalendar.class, CalendarTypeConverterImpl.class);
+        converters.put(Date.class, UtilDateTypeConverterImpl.class);
+        converters.put(byte[].class, ByteArrayTypeConverterImpl.class);
+        converters.put(Timestamp.class, TimestampTypeConverterImpl.class);
+        
+        return converters;
+    }
+}

Added: incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/reflection/ReflectionUtils.java
URL: http://svn.apache.org/viewcvs/incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/reflection/ReflectionUtils.java?rev=375572&view=auto
==============================================================================
--- incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/reflection/ReflectionUtils.java
(added)
+++ incubator/graffito/trunk/jcr/jcr-mapping/src/java/org/apache/portals/graffito/jcr/reflection/ReflectionUtils.java
Tue Feb  7 02:40:36 2006
@@ -0,0 +1,91 @@
+package org.apache.portals.graffito.jcr.reflection;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.apache.commons.beanutils.ConstructorUtils;
+import org.apache.commons.beanutils.PropertyUtils;
+import org.apache.portals.graffito.jcr.exception.JcrMappingException;
+import org.apache.portals.graffito.jcr.persistence.collectionconverter.CollectionConverter;
+
+
+/**
+ * This class/interface 
+ */
+abstract public class ReflectionUtils {
+    public static Object getNestedProperty(Object object, String fieldName) {
+        try {
+            return PropertyUtils.getNestedProperty(object, fieldName);
+        }
+        catch(IllegalAccessException e) {
+            throw new JcrMappingException("Cannot access property "
+                    + fieldName,
+                    e);
+        }
+        catch(InvocationTargetException e) {
+            throw new JcrMappingException("Cannot access property "
+                    + fieldName,
+                    e);
+        }
+        catch(NoSuchMethodException e) {
+            throw new JcrMappingException("Cannot access property "
+                    + fieldName,
+                    e);
+        }
+    }
+    
+    public static Class getPropertyType(Object object, String fieldName) {
+        try {
+            return PropertyUtils.getPropertyType(object, fieldName);
+        }
+        catch(Exception ex) {
+            throw new JcrMappingException("Cannot access property "
+                    + fieldName,
+                    ex);
+        }
+    }
+
+    public static Object newInstance(Class clazz) {
+        try {
+            return clazz.newInstance();
+        }
+        catch(Exception ex) {
+            throw new JcrMappingException("Cannot create instance for class "
+                    + clazz,
+                    ex);
+        }
+    }
+    
+    /**
+     * @param className
+     * @param objects
+     * @return
+     */
+    public static CollectionConverter invokeConstructor(String className, 
+                                                        Object[] params) {
+        try {
+            Class converterClass= Class.forName(className);
+    
+            return (CollectionConverter) ConstructorUtils.invokeConstructor(converterClass,
params);
+        }
+        catch(Exception ex) {
+            throw new JcrMappingException("Cannot create instance for class "
+                    + className,
+                    ex);
+        }
+    }
+
+    /**
+     * @param object
+     * @param fieldName
+     * @param path
+     */
+    public static void setNestedProperty(Object object, String fieldName, Object value) {
+        try {
+            PropertyUtils.setNestedProperty(object, fieldName, value);
+        }
+        catch(Exception ex) {
+            throw new JcrMappingException("Cannot set the field " + fieldName,
+                    ex);
+        }
+    }
+}



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