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From cziege...@apache.org
Subject cvs commit: xml-cocoon2/src/java/org/apache/cocoon/transformation FilterTransformer.java FragmentExtractorTransformer.java RoleFilterTransformer.java
Date Tue, 08 Jan 2002 10:47:46 GMT
cziegeler    02/01/08 02:47:46

  Modified:    src/java/org/apache/cocoon/caching NOPCacheValidity.java
               src/java/org/apache/cocoon/generation
                        AbstractServerPage.java
                        FragmentExtractorGenerator.java
               src/java/org/apache/cocoon/reading DatabaseReader.java
               src/java/org/apache/cocoon/serialization
                        AbstractTextSerializer.java FOPSerializer.java
                        SVGSerializer.java
               src/java/org/apache/cocoon/transformation
                        FilterTransformer.java
                        FragmentExtractorTransformer.java
                        RoleFilterTransformer.java
  Log:
  1. Added constant to NOPCacheValidity
  2. Changed all uses of NOPCacheValidity to use this constant
  3. Made the FilterTransformer cacheable
  
  Revision  Changes    Path
  1.2       +3 -1      xml-cocoon2/src/java/org/apache/cocoon/caching/NOPCacheValidity.java
  
  Index: NOPCacheValidity.java
  ===================================================================
  RCS file: /home/cvs/xml-cocoon2/src/java/org/apache/cocoon/caching/NOPCacheValidity.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- NOPCacheValidity.java	3 Jan 2002 12:31:08 -0000	1.1
  +++ NOPCacheValidity.java	8 Jan 2002 10:47:45 -0000	1.2
  @@ -12,10 +12,12 @@
    * This might be the most used CacheValidity object for serializers.
    *
    * @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
  - * @version CVS $Revision: 1.1 $ $Date: 2002/01/03 12:31:08 $
  + * @version CVS $Revision: 1.2 $ $Date: 2002/01/08 10:47:45 $
    */
   public final class NOPCacheValidity
   implements CacheValidity {
  +
  +    public static final CacheValidity CACHE_VALIDITY = new NOPCacheValidity();
   
       public boolean isValid(CacheValidity validity) {
           return validity instanceof NOPCacheValidity;
  
  
  
  1.2       +2 -2      xml-cocoon2/src/java/org/apache/cocoon/generation/AbstractServerPage.java
  
  Index: AbstractServerPage.java
  ===================================================================
  RCS file: /home/cvs/xml-cocoon2/src/java/org/apache/cocoon/generation/AbstractServerPage.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- AbstractServerPage.java	3 Jan 2002 12:31:16 -0000	1.1
  +++ AbstractServerPage.java	8 Jan 2002 10:47:45 -0000	1.2
  @@ -22,7 +22,7 @@
    * declares variables that must be explicitly initialized by code generators.
    *
    * @author <a href="mailto:ricardo@apache.org">Ricardo Rocha</a>
  - * @version CVS $Revision: 1.1 $ $Date: 2002/01/03 12:31:16 $
  + * @version CVS $Revision: 1.2 $ $Date: 2002/01/08 10:47:45 $
    */
   public abstract class AbstractServerPage
     extends ServletGenerator implements CompiledComponent, Cacheable
  @@ -103,7 +103,7 @@
       if (hasContentChanged(request))
         return null;
       else
  -      return new NOPCacheValidity();
  +      return NOPCacheValidity.CACHE_VALIDITY;
     }
   
     // FIXME: Add more methods!
  
  
  
  1.2       +2 -2      xml-cocoon2/src/java/org/apache/cocoon/generation/FragmentExtractorGenerator.java
  
  Index: FragmentExtractorGenerator.java
  ===================================================================
  RCS file: /home/cvs/xml-cocoon2/src/java/org/apache/cocoon/generation/FragmentExtractorGenerator.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- FragmentExtractorGenerator.java	3 Jan 2002 12:31:16 -0000	1.1
  +++ FragmentExtractorGenerator.java	8 Jan 2002 10:47:45 -0000	1.2
  @@ -36,7 +36,7 @@
    * This is by no means complete yet, but it should prove useful, particularly
    * for offline generation.
    * @author <a href="mailto:paul@luminas.co.uk">Paul Russell</a>
  - * @version CVS $Revision: 1.1 $ $Date: 2002/01/03 12:31:16 $
  + * @version CVS $Revision: 1.2 $ $Date: 2002/01/08 10:47:45 $
    */
   public class FragmentExtractorGenerator extends AbstractGenerator
           implements Recyclable, Cacheable {
  @@ -83,7 +83,7 @@
        *         component is currently not cacheable.
        */
       public CacheValidity generateValidity() {
  -        return new NOPCacheValidity();
  +        return NOPCacheValidity.CACHE_VALIDITY;
       }
   
       public void generate() throws SAXException {
  
  
  
  1.2       +1 -1      xml-cocoon2/src/java/org/apache/cocoon/reading/DatabaseReader.java
  
  Index: DatabaseReader.java
  ===================================================================
  RCS file: /home/cvs/xml-cocoon2/src/java/org/apache/cocoon/reading/DatabaseReader.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- DatabaseReader.java	3 Jan 2002 12:31:18 -0000	1.1
  +++ DatabaseReader.java	8 Jan 2002 10:47:45 -0000	1.2
  @@ -292,7 +292,7 @@
               return new TimeStampCacheValidity(this.lastModified);
           } else {
               if (this.defaultCache) {
  -                return new NOPCacheValidity();
  +                return NOPCacheValidity.CACHE_VALIDITY;
               } else {
                   return null;
               }
  
  
  
  1.2       +48 -48    xml-cocoon2/src/java/org/apache/cocoon/serialization/AbstractTextSerializer.java
  
  Index: AbstractTextSerializer.java
  ===================================================================
  RCS file: /home/cvs/xml-cocoon2/src/java/org/apache/cocoon/serialization/AbstractTextSerializer.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- AbstractTextSerializer.java	3 Jan 2002 12:31:19 -0000	1.1
  +++ AbstractTextSerializer.java	8 Jan 2002 10:47:45 -0000	1.2
  @@ -44,7 +44,7 @@
    *         (Apache Software Foundation, Exoffice Technologies)
    * @author <a href="mailto:stefano@apache.org">Stefano Mazzocchi</a>
    * @author <a href="mailto:sylvain.wallez@anyware-tech.com">Sylvain Wallez</a>
  - * @version CVS $Revision: 1.1 $ $Date: 2002/01/03 12:31:19 $
  + * @version CVS $Revision: 1.2 $ $Date: 2002/01/08 10:47:45 $
    */
   public abstract class AbstractTextSerializer extends AbstractSerializer implements Configurable,
Cacheable, Poolable {
   
  @@ -62,23 +62,23 @@
        * The default output buffer size.
        */
       private static final int DEFAULT_BUFFER_SIZE = 8192;
  -    
  +
       /**
        * The output buffer size to use.
        */
       private int outputBufferSize = DEFAULT_BUFFER_SIZE;
  -    
  +
       /**
        * Cache for avoiding unnecessary checks of namespaces abilities.
        * It associates a Boolean to the transformer class name.
        */
       private static Map needsNamespaceCache = new HashMap();
  -    
  +
       /**
        * The pipe that adds namespaces as xmlns attributes.
        */
       private NamespaceAsAttributes namespacePipe;
  -    
  +
       /**
        * Interpose namespace pipe if needed.
        */
  @@ -151,7 +151,7 @@
           Configuration bsc = conf.getChild("buffer-size", false);
           if(null != bsc)
             outputBufferSize = bsc.getValueAsInteger(DEFAULT_BUFFER_SIZE);
  -        
  +
           // configure xalan
           Configuration cdataSectionElements = conf.getChild("cdata-section-elements");
           Configuration dtPublic = conf.getChild("doctype-public");
  @@ -194,7 +194,7 @@
           if (! version.getLocation().equals("-")) {
               format.put(OutputKeys.VERSION,version.getValue());
           }
  -        
  +
           // Check if we need namespace as attributes.
           try {
               if (needsNamespacesAsAttributes()) {
  @@ -228,9 +228,9 @@
        *         component is currently not cacheable.
        */
       public CacheValidity generateValidity() {
  -        return new NOPCacheValidity();
  +        return NOPCacheValidity.CACHE_VALIDITY;
       }
  -    
  +
       /**
        * Checks if the used Trax implementation correctly handles namespaces set using
        * <code>startPrefixMapping()</code>, but wants them also as 'xmlns:' attributes.
  @@ -240,75 +240,75 @@
        * xmlns:xxx attributes) and check if they are present in the resulting text.
        */
       protected boolean needsNamespacesAsAttributes() throws Exception {
  -        
  +
           SAXTransformerFactory factory = getTransformerFactory();
  -        
  +
           Boolean cacheValue = (Boolean)this.needsNamespaceCache.get(factory.getClass().getName());
           if (cacheValue != null) {
               return cacheValue.booleanValue();
  -            
  +
           } else {
               // Serialize a minimal document to check how namespaces are handled.
               StringWriter writer = new StringWriter();
  -            
  +
               String uri = "namespaceuri";
               String prefix = "nsp";
               String check = "xmlns:" + prefix + "='" + uri + "'";
  -            
  +
               TransformerHandler handler = factory.newTransformerHandler();
  -            
  +
               handler.setResult(new StreamResult(writer));
               handler.getTransformer().setOutputProperties(format);
  -            
  +
               // Output a single element
               handler.startDocument();
               handler.startPrefixMapping(prefix, uri);
               handler.startElement(uri, "element", "", new AttributesImpl());
               handler.endPrefixMapping(prefix);
               handler.endDocument();
  -            
  +
               String text = writer.toString();
  -            
  +
               // Check if the namespace is there (replace " by ' to be sure of what we search
in)
               boolean needsIt = (text.replace('"', '\'').indexOf(check) == -1);
  -            
  +
               String msg = needsIt ? " needs namespace attributes (will be slower)." :
                   " handles correctly namespaces.";
  -            
  +
               getLogger().debug("Trax handler " + handler.getClass().getName() + msg);
  -            
  +
               this.needsNamespaceCache.put(factory.getClass().getName(), new Boolean(needsIt));
  -            
  +
               return needsIt;
           }
       }
   
       //--------------------------------------------------------------------------------------------
  -    
  +
       /**
        * A pipe that ensures that all namespace prefixes are also present as
        * 'xmlns:' attributes. This used to circumvent Xalan's serialization behaviour
        * which is to ignore namespaces if they're not present as 'xmlns:xxx' attributes.
        */
       public static class NamespaceAsAttributes extends AbstractXMLPipe {
  -            
  +
           /**
            * The prefixes of startPreficMapping() declarations for the coming element.
            */
           private List prefixList = new ArrayList();
  -    
  +
           /**
            * The URIs of startPrefixMapping() declarations for the coming element.
            */
           private List uriList = new ArrayList();
  -    
  +
           /**
            * Maps of URI<->prefix mappings. Used to work around a bug in the Xalan
            * serializer.
            */
           private Map uriToPrefixMap = new HashMap();
           private Map prefixToUriMap = new HashMap();
  -    
  +
           /**
            * True if there has been some startPrefixMapping() for the coming element.
            */
  @@ -333,7 +333,7 @@
               this.hasMappings = true;
               this.prefixList.add(prefix);
               this.uriList.add(uri);
  -    
  +
               // append the prefix colon now, in order to save concatenations later, but
               // only for non-empty prefixes.
               if(prefix.length() > 0) {
  @@ -341,12 +341,12 @@
               } else {
                   this.uriToPrefixMap.put(uri, prefix);
               }
  -            
  +
               this.prefixToUriMap.put(prefix, uri);
  -            
  +
               super.startPrefixMapping(prefix, uri);
           }
  -        
  +
           /**
            * Ensure all namespace declarations are present as <code>xmlns:</code>
attributes
            * and add those needed before calling superclass. This is a workaround for a Xalan
bug
  @@ -355,27 +355,27 @@
            */
           public void startElement(String eltUri, String eltLocalName, String eltQName, Attributes
attrs)
             throws SAXException {
  -            
  +
               // try to restore the qName. The map already contains the colon
               if (null != eltUri && eltUri.length() != 0 && this.uriToPrefixMap.containsKey(eltUri)
)
                 eltQName = (String) this.uriToPrefixMap.get(eltUri) + eltLocalName;
  -            
  +
               if (this.hasMappings) {
                   // Add xmlns* attributes where needed
  -    
  +
                   // New Attributes if we have to add some.
                   AttributesImpl newAttrs = null;
  -    
  +
                   int mappingCount = this.prefixList.size();
                   int attrCount = attrs.getLength();
  -    
  +
                   for(int mapping = 0; mapping < mappingCount; mapping++) {
  -    
  +
                       // Build infos for this namespace
                       String uri = (String)this.uriList.get(mapping);
                       String prefix = (String)this.prefixList.get(mapping);
                       String qName = prefix.equals("") ? "xmlns" : ("xmlns:" + prefix);
  -    
  +
                       // Search for the corresponding xmlns* attribute
                       boolean found = false;
                       find : for (int attr = 0; attr < attrCount; attr++) {
  @@ -389,7 +389,7 @@
                               break find;
                           }
                       }
  -    
  +
                       if (!found) {
                           // Need to add this namespace
                           if (newAttrs == null) {
  @@ -400,7 +400,7 @@
                               else
                                   newAttrs = new AttributesImpl(attrs);
                           }
  -    
  +
                           if (prefix.equals("")) {
                               newAttrs.addAttribute(Constants.XML_NAMESPACE_URI, "xmlns",
"xmlns", "CDATA", uri);
                           } else {
  @@ -408,10 +408,10 @@
                           }
                       }
                   } // end for mapping
  -    
  +
                   // Cleanup for the next element
                   clearMappings();
  -    
  +
                   // Start element with new attributes, if any
                   super.startElement(eltUri, eltLocalName, eltQName, newAttrs == null ? attrs
: newAttrs);
               }
  @@ -420,8 +420,8 @@
                   super.startElement(eltUri, eltLocalName, eltQName, attrs);
               }
           }
  -        
  -    
  +
  +
           /**
            * Receive notification of the end of an element.
            * Try to restore the element qName.
  @@ -431,7 +431,7 @@
               // try to restore the qName. The map already contains the colon
               if(null != eltUri && eltUri.length() != 0 && this.uriToPrefixMap.containsKey(eltUri)
)
                 eltQName = (String) this.uriToPrefixMap.get(eltUri) + eltLocalName;
  -            
  +
               super.endElement(eltUri, eltLocalName, eltQName);
           }
   
  @@ -448,10 +448,10 @@
                 this.uriToPrefixMap.remove((String) this.prefixToUriMap.get(prefix));
                 this.prefixToUriMap.remove(prefix);
               }
  -            
  +
               super.endPrefixMapping(prefix);
           }
  -        
  +
           /**
            *
            */
  @@ -462,7 +462,7 @@
               clearMappings();
               super.endDocument();
           }
  -        
  +
           private void clearMappings()
           {
               this.hasMappings = false;
  
  
  
  1.2       +11 -11    xml-cocoon2/src/java/org/apache/cocoon/serialization/FOPSerializer.java
  
  Index: FOPSerializer.java
  ===================================================================
  RCS file: /home/cvs/xml-cocoon2/src/java/org/apache/cocoon/serialization/FOPSerializer.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- FOPSerializer.java	3 Jan 2002 12:31:19 -0000	1.1
  +++ FOPSerializer.java	8 Jan 2002 10:47:45 -0000	1.2
  @@ -38,18 +38,18 @@
         */
       protected Driver driver;
   
  -    /** 
  -      * The current <code>Renderer</code>.  
  +    /**
  +      * The current <code>Renderer</code>.
         */
       protected Renderer renderer;
   
  -    /** 
  -      * The Renderer Factory to use 
  +    /**
  +      * The Renderer Factory to use
         */
       protected static RendererFactory factory = ExtendableRendererFactory.getRendererFactoryImplementation();
   
  -    /** 
  -      * The current <code>mime-type</code>. 
  +    /**
  +      * The current <code>mime-type</code>.
         */
       protected String mimetype;
   
  @@ -61,7 +61,7 @@
       /**
         * Set the configurations for this serializer.
         */
  -    public void configure(Configuration conf) 
  +    public void configure(Configuration conf)
           throws ConfigurationException {
           String userConfig = null;
           java.io.File userConfigFile = null;
  @@ -71,7 +71,7 @@
               if (child != null) {
                   try {
                       userConfig = child.getAttribute("src");
  -                } catch(Exception ex) {		
  +                } catch(Exception ex) {
                       // No config file specified
                   }
               }
  @@ -96,7 +96,7 @@
               }
           }
   
  -		// Get the mime type.
  +        // Get the mime type.
           this.mimetype = conf.getAttribute("mime-type");
           getLogger().debug("FOPSerializer mime-type:" + mimetype);
   
  @@ -117,7 +117,7 @@
                   }
               }
           }
  -        
  +
           // Do we have a renderer yet?
           if (this.renderer == null ) {
               throw new ConfigurationException(
  @@ -181,7 +181,7 @@
        *         component is currently not cacheable.
        */
       public CacheValidity generateValidity() {
  -        return new NOPCacheValidity();
  +        return NOPCacheValidity.CACHE_VALIDITY;
       }
   
       /**
  
  
  
  1.2       +2 -2      xml-cocoon2/src/java/org/apache/cocoon/serialization/SVGSerializer.java
  
  Index: SVGSerializer.java
  ===================================================================
  RCS file: /home/cvs/xml-cocoon2/src/java/org/apache/cocoon/serialization/SVGSerializer.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- SVGSerializer.java	3 Jan 2002 12:31:19 -0000	1.1
  +++ SVGSerializer.java	8 Jan 2002 10:47:45 -0000	1.2
  @@ -48,7 +48,7 @@
    *
    * @author <a href="mailto:dims@yahoo.com">Davanum Srinivas</a>
    * @author <a href="mailto:rossb@apache.org">Ross Burton</a>
  - * @version CVS $Revision: 1.1 $ $Date: 2002/01/03 12:31:19 $
  + * @version CVS $Revision: 1.2 $ $Date: 2002/01/08 10:47:45 $
    */
   public class SVGSerializer extends SVGBuilder
   implements Composable, Serializer, Configurable, Poolable, Cacheable, Contextualizable
{
  @@ -259,7 +259,7 @@
        *         component is currently not cacheable.
        */
       public CacheValidity generateValidity() {
  -        return new NOPCacheValidity();
  +        return NOPCacheValidity.CACHE_VALIDITY;
       }
   
       /**
  
  
  
  1.2       +159 -128  xml-cocoon2/src/java/org/apache/cocoon/transformation/FilterTransformer.java
  
  Index: FilterTransformer.java
  ===================================================================
  RCS file: /home/cvs/xml-cocoon2/src/java/org/apache/cocoon/transformation/FilterTransformer.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- FilterTransformer.java	3 Jan 2002 12:31:20 -0000	1.1
  +++ FilterTransformer.java	8 Jan 2002 10:47:46 -0000	1.2
  @@ -3,7 +3,11 @@
   import org.apache.avalon.excalibur.pool.Poolable;
   import org.apache.avalon.framework.parameters.Parameters;
   import org.apache.cocoon.ProcessingException;
  +import org.apache.cocoon.caching.Cacheable;
  +import org.apache.cocoon.caching.CacheValidity;
  +import org.apache.cocoon.caching.NOPCacheValidity;
   import org.apache.cocoon.environment.SourceResolver;
  +import org.apache.cocoon.util.HashUtil;
   import org.xml.sax.Attributes;
   import org.xml.sax.SAXException;
   import org.xml.sax.helpers.AttributesImpl;
  @@ -25,139 +29,166 @@
    * Only the 3th block will be shown, containing only 5 row elements.
    *
    * @author <a href="mailto:sven.beauprez@the-ecorp.com">Sven Beauprez</a>
  - * @version CVS $Revision: 1.1 $ $Date: 2002/01/03 12:31:20 $ $Author: giacomo $
  + * @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
  + * @version CVS $Revision: 1.2 $ $Date: 2002/01/08 10:47:46 $ $Author: cziegeler $
    */
   
  -public class FilterTransformer extends AbstractTransformer implements Poolable {
  -  private static final String ELEMENT = "element-name";
  -  private static final String COUNT = "count";
  -  private static final String BLOCKNR = "blocknr";
  -  private static final String BLOCK = "block";
  -  private static final String BLOCKID = "id";
  -  private static final int DEFAULT_COUNT = 10;
  -  private static final int DEFAULT_BLOCK = 1;
  -
  -  private int counter;
  -  private int count;
  -  private int blocknr;
  -  private int currentBlocknr;
  -  protected String elementName;
  -  private String parentName;
  -  boolean skip;
  -  boolean foundIt;
  -
  -  /** BEGIN SitemapComponent methods **/
  -  public void setup(SourceResolver resolver, Map objectModel, String source, Parameters
parameters)
  -  throws ProcessingException, SAXException, IOException {
  -    counter=0;
  -    currentBlocknr=0;
  -    skip=false;
  -    foundIt=false;
  -    parentName=null;
  -    elementName = parameters.getParameter(FilterTransformer.ELEMENT, "");
  -    count = parameters.getParameterAsInteger(FilterTransformer.COUNT, FilterTransformer.DEFAULT_COUNT);
  -    blocknr = parameters.getParameterAsInteger(FilterTransformer.BLOCKNR, FilterTransformer.DEFAULT_BLOCK);
  -    if (elementName == null || count == 0)  {
  -        getLogger().warn("FilterTransformer: both "+ FilterTransformer.ELEMENT + " and
" +
  +public class FilterTransformer
  +extends AbstractTransformer
  +implements Poolable, Cacheable {
  +
  +    private static final String ELEMENT = "element-name";
  +    private static final String COUNT = "count";
  +    private static final String BLOCKNR = "blocknr";
  +    private static final String BLOCK = "block";
  +    private static final String BLOCKID = "id";
  +    private static final int DEFAULT_COUNT = 10;
  +    private static final int DEFAULT_BLOCK = 1;
  +
  +    protected int counter;
  +    protected int count;
  +    protected int blocknr;
  +    protected int currentBlocknr;
  +    protected String elementName;
  +    protected String parentName;
  +    protected boolean skip;
  +    protected boolean foundIt;
  +
  +    /** BEGIN SitemapComponent methods **/
  +    public void setup(SourceResolver resolver,
  +                      Map objectModel,
  +                      String source,
  +                      Parameters parameters)
  +    throws ProcessingException, SAXException, IOException {
  +        this.counter=0;
  +        this.currentBlocknr=0;
  +        this.skip=false;
  +        this.foundIt=false;
  +        this.parentName=null;
  +        this.elementName = parameters.getParameter(FilterTransformer.ELEMENT, "");
  +        this.count = parameters.getParameterAsInteger(FilterTransformer.COUNT, FilterTransformer.DEFAULT_COUNT);
  +        this.blocknr = parameters.getParameterAsInteger(FilterTransformer.BLOCKNR, FilterTransformer.DEFAULT_BLOCK);
  +        if (this.elementName == null || this.elementName.equals("") || this.count == 0)
 {
  +            throw new ProcessingException("FilterTransformer: both "+ FilterTransformer.ELEMENT
+ " and " +
                             FilterTransformer.COUNT + " parameters need to be specified");
  +        }
       }
  -  }
  -  /** END SitemapComponent methods **/
   
  -  protected boolean isSkipping() {
  -      return skip;
  -  }
  -
  -  /** BEGIN SAX ContentHandler handlers **/
  -  public void startElement(String uri, String name, String raw, Attributes attributes)
  -  throws SAXException {
  -    if (name.equalsIgnoreCase(elementName)) {
  -      foundIt=true;
  -      counter++;
  -      if (counter <= (count*(blocknr)) && counter > (count*(blocknr-1)))
{
  -        skip=false;
  -      } else  {
  -        skip=true;
  -      }
  -      if (currentBlocknr != (int)Math.ceil((float)counter/count)) {
  -        currentBlocknr = (int)Math.ceil((float)counter/count);
  -        AttributesImpl attr = new AttributesImpl();
  -        attr.addAttribute(uri,FilterTransformer.BLOCKID,FilterTransformer.BLOCKID,"CDATA",String.valueOf(currentBlocknr));
  -        if (counter < count)  {
  -          super.contentHandler.startElement(uri,FilterTransformer.BLOCK,FilterTransformer.BLOCK,attr);
  -        } else  {
  -          super.contentHandler.endElement(uri,FilterTransformer.BLOCK,FilterTransformer.BLOCK);
  -          super.contentHandler.startElement(uri,FilterTransformer.BLOCK,FilterTransformer.BLOCK,attr);
       }
  -      }
  -    } else if (!foundIt)  {
  -      parentName = name;
  -    }
  -    if (!skip)  {
  -      super.contentHandler.startElement(uri,name,raw,attributes);
  -    }
  -  }
  -
  -  public void endElement(String uri,String name,String raw)
  -  throws SAXException  {
  -    if (name.equals(parentName) && foundIt) {
  -
  -      super.contentHandler.endElement(uri,FilterTransformer.BLOCK,FilterTransformer.BLOCK);
  -      super.contentHandler.endElement(uri,name,raw);
  -      foundIt=false;
  -      skip=false;
  -    } else if (!skip)  {
  -      super.contentHandler.endElement(uri,name,raw);
  -    }
  -  }
  -
  -  public void characters(char c[], int start, int len)
  -  throws SAXException {
  -    if (!skip)  {
  -      super.contentHandler.characters(c,start,len);
  -    }
  -  }
  -
  -  public void processingInstruction(String target, String data)
  -  throws SAXException {
  -    if (!skip)  {
  -      super.contentHandler.processingInstruction(target, data);
  -    }
  -  }
  -
  -  public void startEntity(String name)
  -  throws SAXException {
  -    if (!skip)  {
  -      super.lexicalHandler.startEntity(name);
  -    }
  -  }
  -
  -  public void endEntity(String name)
  -  throws SAXException {
  -    if (!skip)  {
  -      super.lexicalHandler.endEntity( name);
  -    }
  -  }
  -
  -  public void startCDATA()
  -  throws SAXException {
  -    if (!skip)  {
  -      super.lexicalHandler.startCDATA();
  -    }
  -  }
  -
  -  public void endCDATA()
  -  throws SAXException {
  -    if (!skip)  {
  -      super.lexicalHandler.endCDATA();
  -    }
  -  }
  -
  -  public void comment(char ch[], int start, int len)
  -  throws SAXException {
  -    if (!skip)  {
  -      super.lexicalHandler.comment(ch, start, len);
  +    /**
  +     * Generate the unique key.
  +     * This key must be unique inside the space of this component.
  +     * This method must be invoked before the generateValidity() method.
  +     *
  +     * @return The generated key or <code>0</code> if the component
  +     *              is currently not cacheable.
  +     */
  +    public long generateKey() {
  +        final StringBuffer hash = new StringBuffer(this.elementName);
  +        hash.append('<').append(this.count).append('>').append(this.blocknr);
  +        return HashUtil.hash(hash);
  +    }
  +
  +    /**
  +     * Generate the validity object.
  +     * Before this method can be invoked the generateKey() method
  +     * must be invoked.
  +     *
  +     * @return The generated validity object or <code>null</code> if the
  +     *         component is currently not cacheable.
  +     */
  +    public CacheValidity generateValidity() {
  +        return NOPCacheValidity.CACHE_VALIDITY;
  +    }
  +
  +    /** BEGIN SAX ContentHandler handlers **/
  +    public void startElement(String uri, String name, String raw, Attributes attributes)
  +    throws SAXException {
  +        if (name.equalsIgnoreCase(elementName)) {
  +            this.foundIt = true;
  +            this.counter++;
  +            if (this.counter <= (this.count*(this.blocknr)) && this.counter
> (this.count*(this.blocknr-1))) {
  +                this.skip = false;
  +            } else  {
  +                this.skip = true;
  +            }
  +            if (this.currentBlocknr != (int)Math.ceil((float)this.counter/this.count))
{
  +                this.currentBlocknr = (int)Math.ceil((float)this.counter/this.count);
  +                AttributesImpl attr = new AttributesImpl();
  +                attr.addAttribute(uri,FilterTransformer.BLOCKID,FilterTransformer.BLOCKID,"CDATA",String.valueOf(this.currentBlocknr));
  +                if (this.counter < this.count)  {
  +                    super.contentHandler.startElement(uri,FilterTransformer.BLOCK,FilterTransformer.BLOCK,attr);
  +                } else  {
  +                    super.contentHandler.endElement(uri,FilterTransformer.BLOCK,FilterTransformer.BLOCK);
  +                    super.contentHandler.startElement(uri,FilterTransformer.BLOCK,FilterTransformer.BLOCK,attr);
  +                }
  +            }
  +        } else if (!this.foundIt)  {
  +            this.parentName = name;
  +        }
  +        if (!this.skip)  {
  +            super.contentHandler.startElement(uri,name,raw,attributes);
  +        }
  +    }
  +
  +    public void endElement(String uri,String name,String raw)
  +    throws SAXException  {
  +        if (this.foundIt && name.equals(this.parentName)) {
  +            super.contentHandler.endElement(uri,FilterTransformer.BLOCK,FilterTransformer.BLOCK);
  +            super.contentHandler.endElement(uri,name,raw);
  +            this.foundIt = false;
  +            this.skip = false;
  +        } else if (!this.skip)  {
  +            super.contentHandler.endElement(uri,name,raw);
  +        }
  +    }
  +
  +    public void characters(char c[], int start, int len)
  +    throws SAXException {
  +        if (!this.skip)  {
  +            super.contentHandler.characters(c,start,len);
  +        }
  +    }
  +
  +    public void processingInstruction(String target, String data)
  +    throws SAXException {
  +        if (!this.skip)  {
  +            super.contentHandler.processingInstruction(target, data);
  +        }
  +    }
  +
  +    public void startEntity(String name)
  +    throws SAXException {
  +        if (!this.skip)  {
  +            super.lexicalHandler.startEntity(name);
  +        }
  +    }
  +
  +    public void endEntity(String name)
  +    throws SAXException {
  +        if (!this.skip)  {
  +            super.lexicalHandler.endEntity( name);
  +        }
  +    }
  +
  +    public void startCDATA()
  +    throws SAXException {
  +        if (!this.skip)  {
  +            super.lexicalHandler.startCDATA();
  +        }
  +    }
  +
  +    public void endCDATA()
  +    throws SAXException {
  +        if (!this.skip)  {
  +            super.lexicalHandler.endCDATA();
  +        }
  +    }
  +
  +    public void comment(char ch[], int start, int len)
  +    throws SAXException {
  +        if (!this.skip)  {
  +            super.lexicalHandler.comment(ch, start, len);
  +        }
       }
  -  }
   
  -  /** END SAX ContentHandler handlers **/
   }
  
  
  
  1.2       +2 -2      xml-cocoon2/src/java/org/apache/cocoon/transformation/FragmentExtractorTransformer.java
  
  Index: FragmentExtractorTransformer.java
  ===================================================================
  RCS file: /home/cvs/xml-cocoon2/src/java/org/apache/cocoon/transformation/FragmentExtractorTransformer.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- FragmentExtractorTransformer.java	3 Jan 2002 12:31:20 -0000	1.1
  +++ FragmentExtractorTransformer.java	8 Jan 2002 10:47:46 -0000	1.2
  @@ -42,7 +42,7 @@
    * <a href="http://c2.com/cgi/wiki?YouArentGonnaNeedIt">you aren't gonna need it</a>,
    * so I've just used very simple extraction based on a URI and local name.
    * @author <a href="mailto:paul@luminas.co.uk">Paul Russell</a>
  - * @version CVS $Revision: 1.1 $ $Date: 2002/01/03 12:31:20 $
  + * @version CVS $Revision: 1.2 $ $Date: 2002/01/08 10:47:46 $
    */
   public class FragmentExtractorTransformer extends AbstractTransformer
       implements Composable, Disposable, Cacheable, Poolable {
  @@ -98,7 +98,7 @@
        *         component is currently not cacheable.
        */
       public CacheValidity generateValidity() {
  -        return new NOPCacheValidity();
  +        return NOPCacheValidity.CACHE_VALIDITY;
       }
   
       /**
  
  
  
  1.2       +9 -2      xml-cocoon2/src/java/org/apache/cocoon/transformation/RoleFilterTransformer.java
  
  Index: RoleFilterTransformer.java
  ===================================================================
  RCS file: /home/cvs/xml-cocoon2/src/java/org/apache/cocoon/transformation/RoleFilterTransformer.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- RoleFilterTransformer.java	3 Jan 2002 12:31:20 -0000	1.1
  +++ RoleFilterTransformer.java	8 Jan 2002 10:47:46 -0000	1.2
  @@ -43,7 +43,7 @@
    * will work as expected.
    *
    * @author <a href="mailto:bloritsch@apache.org">Berin Loritsch</a>
  - * @version CVS $Revision: 1.1 $ $Date: 2002/01/03 12:31:20 $ $Author: giacomo $
  + * @version CVS $Revision: 1.2 $ $Date: 2002/01/08 10:47:46 $ $Author: cziegeler $
    */
   public class RoleFilterTransformer extends FilterTransformer {
       private final static String URI = "http://apache.org/cocoon/role-filter/1.0";
  @@ -60,6 +60,13 @@
           this.request = (Request) objectModel.get(Constants.REQUEST_OBJECT);
       }
   
  +    /**
  +     * Disable caching
  +     */
  +    public long generateKey() {
  +        return 0;
  +    }
  +
       public final void startElement(String uri, String loc, String raw, Attributes a)
       throws SAXException {
           int roleIndex = a.getIndex(RoleFilterTransformer.URI, RoleFilterTransformer.RESTRICT);
  @@ -102,7 +109,7 @@
       throws SAXException {
           super.endElement(uri, loc, raw);
   
  -        if (! super.isSkipping()) {
  +        if (! super.skip) {
               super.elementName = "";
           }
       }
  
  
  

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