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From un...@apache.org
Subject cvs commit: cocoon-2.1/src/blocks/repository/java/org/apache/cocoon/transformation SourcePropsWritingTransformer.java
Date Mon, 27 Oct 2003 17:39:10 GMT
unico       2003/10/27 09:39:10

  Modified:    src/blocks/repository/java/org/apache/cocoon/transformation
                        SourcePropsWritingTransformer.java
  Log:
  change props element to set, add remove functionality
  
  Revision  Changes    Path
  1.2       +70 -24    cocoon-2.1/src/blocks/repository/java/org/apache/cocoon/transformation/SourcePropsWritingTransformer.java
  
  Index: SourcePropsWritingTransformer.java
  ===================================================================
  RCS file: /home/cvs/cocoon-2.1/src/blocks/repository/java/org/apache/cocoon/transformation/SourcePropsWritingTransformer.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- SourcePropsWritingTransformer.java	24 Oct 2003 19:33:46 -0000	1.1
  +++ SourcePropsWritingTransformer.java	27 Oct 2003 17:39:10 -0000	1.2
  @@ -95,13 +95,15 @@
       /** incoming elements */
       public static final String PATCH_ELEMENT = "patch";
       public static final String SOURCE_ELEMENT = "source";
  -    public static final String PROPS_ELEMENT = "props";
  +    public static final String SET_ELEMENT = "set";
  +    public static final String REMOVE_ELEMENT = "remove";
   
       /** The current state */
       private static final int STATE_OUTSIDE   = 0;
       private static final int STATE_PATCH     = 1;
       private static final int STATE_SOURCE    = 2;
  -    private static final int STATE_PROPS     = 3;
  +    private static final int STATE_SET       = 3;
  +    private static final int STATE_REMOVE    = 4;
   
       private int state;
       
  @@ -148,7 +150,7 @@
        */
       public void startTransformingElement(String uri, String name, String raw, Attributes
attr)
       throws SAXException, IOException, ProcessingException {
  -        if (this.getLogger().isDebugEnabled() == true) {
  +        if (this.getLogger().isDebugEnabled()) {
               this.getLogger().debug("BEGIN startTransformingElement uri=" + uri +
                                 ", name=" + name + ", raw=" + raw + ", attr=" + attr);
           }
  @@ -163,10 +165,12 @@
               this.startTextRecording();
   
           // Element: props
  -        } else if (this.state == STATE_PATCH && name.equals(PROPS_ELEMENT)) {
  -            this.state = STATE_PROPS;
  +        } else if (this.state == STATE_PATCH && name.equals(SET_ELEMENT)) {
  +            this.state = STATE_SET;
  +            this.startRecording();
  +        } else if (this.state == STATE_PATCH && name.equals(REMOVE_ELEMENT)) {
  +            this.state = STATE_REMOVE;
               this.startRecording();
  -
           } else {
               super.startTransformingElement(uri, name, raw, attr);
           }
  @@ -197,41 +201,62 @@
           }
   
           // Element: patch
  -        if ((name.equals(PATCH_ELEMENT) && this.state == STATE_PATCH)) {
  +        if ((this.state == STATE_PATCH && name.equals(PATCH_ELEMENT))) {
               this.state = STATE_OUTSIDE;
               String sourceName = null;
               String tag = null;
  -            DocumentFragment frag = null;
  +            DocumentFragment setfrag = null;
  +            DocumentFragment removefrag = null;
               do {
                   tag = (String)this.stack.pop();
                   if (tag.equals(SOURCE_ELEMENT)) {
                       sourceName = (String)this.stack.pop();
  -                } else if (tag.equals(PROPS_ELEMENT)) {
  -                    frag = (DocumentFragment)this.stack.pop();
  +                } else if (tag.equals(SET_ELEMENT)) {
  +                    setfrag = (DocumentFragment)this.stack.pop();
  +                } else if (tag.equals(REMOVE_ELEMENT)) {
  +                    removefrag = (DocumentFragment)this.stack.pop();
                   }
               } while ( !tag.equals("END") );
  -            NodeList list = frag.getChildNodes();
  -            Node node = null;
  -            for (int i=0; i<list.getLength(); i++) {
  -                node = list.item(i);
  -                if (node instanceof Element) {
  -                    this.patchSource(sourceName, (Element)node);
  +            if (setfrag != null) {
  +                NodeList list = setfrag.getChildNodes();
  +                Node node = null;
  +                for (int i=0; i<list.getLength(); i++) {
  +                    node = list.item(i);
  +                    if (node instanceof Element) {
  +                        this.setProperty(sourceName, (Element) node);
  +                    }
  +                }
  +            }
  +            if (removefrag != null) {
  +                NodeList list = removefrag.getChildNodes();
  +                Node node = null;
  +                for (int i=0; i<list.getLength(); i++) {
  +                    node = list.item(i);
  +                    if (node instanceof Element) {
  +                        this.removeProperty(sourceName, (Element) node);
  +                    }
                   }
               }
   
           // Element: source
  -        } else if (name.equals(SOURCE_ELEMENT) && this.state == STATE_SOURCE) {
  +        } else if (this.state == STATE_SOURCE && name.equals(SOURCE_ELEMENT)) {
               this.state = STATE_PATCH;
               String sourceName = this.endTextRecording();
               this.stack.push(sourceName);
               this.stack.push(SOURCE_ELEMENT);
   
  -        // Element: props
  -        } else if (name.equals(PROPS_ELEMENT) == true && this.state == STATE_PROPS)
{
  +        // Element: set
  +        } else if (this.state == STATE_SET && name.equals(SET_ELEMENT)) {
               this.state = STATE_PATCH;
               this.stack.push(this.endRecording());
  -            this.stack.push(PROPS_ELEMENT);
  +            this.stack.push(SET_ELEMENT);
   
  +        // Element: remove
  +        } else if (this.state == STATE_REMOVE && name.equals(REMOVE_ELEMENT)) {
  +            this.state = STATE_PATCH;
  +            this.stack.push(this.endRecording());
  +            this.stack.push(REMOVE_ELEMENT);
  +            
           // default
           } else {
               super.endTransformingElement(uri, name, raw);
  @@ -242,13 +267,13 @@
           }
       }
   
  -    private void patchSource(String src, Element value)
  +    private void setProperty(String src, Element element) 
       throws ProcessingException, IOException, SAXException {
  -        if (src != null && value != null) {
  +        if (src != null && element != null) {
               try {
                   Source source = this.resolver.resolveURI(src);
                   if (source instanceof InspectableSource) {
  -                    SourceProperty property = new SourceProperty(value);
  +                    SourceProperty property = new SourceProperty(element);
                       ((InspectableSource)source).setSourceProperty(property);
   
                   } else {
  @@ -262,5 +287,26 @@
               this.getLogger().error("Error setting properties on "+src);
           }
       }
  +    
  +    private void removeProperty(String src, Element element) 
  +    throws ProcessingException, IOException, SAXException { 
  +        
  +        if (src != null && element != null) {
  +            try {
  +                Source source = this.resolver.resolveURI(src);
  +                if (source instanceof InspectableSource) {
  +                    ((InspectableSource)source).removeSourceProperty(
  +                        element.getNamespaceURI(),element.getLocalName());
   
  +                } else {
  +                    this.getLogger().error("Cannot remove properties on " + src +
  +                                           ": not an inspectable source");
  +                }
  +            } catch (Exception e) {
  +                throw new ProcessingException("Error removing properties on "+src, e);
  +            }
  +        } else {
  +            this.getLogger().error("Error removing properties on "+src);
  +        }
  +    }
   }
  
  
  

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