maven2-plugins/myfaces-builder-plugin/src/main/java/org/apache/myfaces/buildtools/maven2/plugin/builder/qdox/CompositeComponentModelBuilder.java - myfaces-build-tools - Git at Google

 /*
  *  Licensed to the Apache Software Foundation (ASF) under one
  *  or more contributor license agreements.  See the NOTICE file
  *  distributed with this work for additional information
  *  regarding copyright ownership.  The ASF licenses this file
  *  to you 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.myfaces.buildtools.maven2.plugin.builder.qdox;

 import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.FileFilter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;

 import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.parsers.SAXParser;
 import javax.xml.parsers.SAXParserFactory;

 import org.apache.commons.lang.ClassUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.myfaces.buildtools.maven2.plugin.builder.ModelParams;
 import org.apache.myfaces.buildtools.maven2.plugin.builder.model.ComponentMeta;
 import org.apache.myfaces.buildtools.maven2.plugin.builder.model.FacetMeta;
 import org.apache.myfaces.buildtools.maven2.plugin.builder.model.MethodSignatureMeta;
 import org.apache.myfaces.buildtools.maven2.plugin.builder.model.Model;
 import org.apache.myfaces.buildtools.maven2.plugin.builder.model.PropertyMeta;
 import org.xml.sax.Attributes;
 import org.xml.sax.InputSource;
 import org.xml.sax.Locator;
 import org.xml.sax.SAXException;
 import org.xml.sax.SAXParseException;
 import org.xml.sax.XMLReader;
 import org.xml.sax.ext.LexicalHandler;
 import org.xml.sax.helpers.DefaultHandler;

 public class CompositeComponentModelBuilder
 {
     private final Log log = LogFactory.getLog(CompositeComponentModelBuilder.class);
     public static final String COMPOSITE_LIBRARY_NAME = "http://java.sun.com/jsf/composite";

     public static final String INTERFACE_NAME = "interface";
     public static final String ATTRIBUTE_NAME = "attribute";
     public static final String FACET_NAME = "facet";

     private static class CompositeComponentMetadataHandler extends
             DefaultHandler implements LexicalHandler
     {
         private final Model model;

         private final String alias;

         private final String componentName;

         private final String libraryName;

         private final String resourceName;

         private boolean inDocument = false;

         private Locator locator;

         private boolean inCompositeInterface = false;

         private ComponentMeta component = null;

         public CompositeComponentMetadataHandler(Model model, String alias, String componentName,
                 String libraryName, String resourceName)
         {
             this.model = model;
             this.alias = alias;
             this.componentName = componentName;
             this.libraryName = libraryName;
             this.resourceName = resourceName;
         }

         public void characters(char[] ch, int start, int length) throws SAXException
         {
             if (this.inDocument && inCompositeInterface)
             {
             }
         }

         public void comment(char[] ch, int start, int length) throws SAXException
         {
             if (this.inDocument && inCompositeInterface)
             {
             }
         }

         protected _TagAttributes createAttributes(Attributes attrs)
         {
             int len = attrs.getLength();
             _TagAttribute[] ta = new _TagAttribute[len];
             for (int i = 0; i < len; i++)
             {
                 ta[i] = new _TagAttribute(this.createLocation(), attrs.getURI(i), attrs.getLocalName(i), attrs
                         .getQName(i), attrs.getValue(i));
             }
             return new _TagAttributes(ta);
         }

         protected _Location createLocation()
         {
             return new _Location(this.alias, this.locator.getLineNumber(), this.locator.getColumnNumber());
         }

         public void endCDATA() throws SAXException
         {
             if (this.inDocument && inCompositeInterface)
             {
             }
         }

         public void endDocument() throws SAXException
         {
             super.endDocument();
         }

         public void endDTD() throws SAXException
         {
             this.inDocument = true;
         }

         public void endElement(String uri, String localName, String qName) throws SAXException
         {
             if (COMPOSITE_LIBRARY_NAME.equals(uri))
             {
                 if (INTERFACE_NAME.equals(localName))
                 {
                     this.inCompositeInterface=false;
                     this.component = null;
                 }
             }
         }

         public void endEntity(String name) throws SAXException
         {
         }

         public void endPrefixMapping(String prefix) throws SAXException
         {
         }

         public void fatalError(SAXParseException e) throws SAXException
         {
             if (this.locator != null)
             {
                 throw new SAXException("Error Traced[line: " + this.locator.getLineNumber() + "] " + e.getMessage());
             }
             else
             {
                 throw e;
             }
         }

         public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException
         {
             if (this.inDocument && inCompositeInterface)
             {
             }
         }

         public InputSource resolveEntity(String publicId, String systemId) throws SAXException
         {
             String dtd = "org/apache/myfaces/buildtools/maven2/plugin/builder/qdox/default.dtd";
             /*
              * if ("-//W3C//DTD XHTML 1.0 Transitional//EN".equals(publicId)) { dtd = "xhtml1-transitional.dtd"; } else
              * if (systemId != null && systemId.startsWith("file:/")) { return new InputSource(systemId); }
              */
             URL url = getResource(dtd);
             return new InputSource(url.toString());
         }

         public static URL getResource(String resource)
         {
             URL url = Thread.currentThread().getContextClassLoader().getResource(resource);
             if (url == null)
             {
                 url = ClassUtils.class.getClassLoader().getResource(resource);
             }
             return url;
         }

         public void setDocumentLocator(Locator locator)
         {
             this.locator = locator;
         }

         public void startCDATA() throws SAXException
         {
             if (this.inDocument && inCompositeInterface)
             {
             }
         }

         public void startDocument() throws SAXException
         {
             this.inDocument = true;
         }

         public void startDTD(String name, String publicId, String systemId) throws SAXException
         {
             // metadata does not require output doctype
             this.inDocument = false;
         }

         public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException
         {
             if (COMPOSITE_LIBRARY_NAME.equals(uri))
             {
                 if (INTERFACE_NAME.equals(localName))
                 {
                     this.inCompositeInterface=true;
                     _TagAttributes attrs = this.createAttributes(attributes);

                     this.component = null;
                     //1. Use componentType attribute to find the class in the model.
                     _TagAttribute type = attrs.get("componentType");
                     boolean setComponentType = false;
                     if (type != null)
                     {
                         this.component = model.findComponentByType(type.getValue());
                         if (this.component == null)
                         {
                             //Component not found, set component type when created
                             setComponentType = true;
                         }
                     }
                     if (this.component == null)
                     {
                         //2. Use libraryName + '.' + componentName
                         this.component = model.findComponentByClassName(alias);
                     }
                     if (this.component == null)
                     {
                         //No class bound, create
                         this.component = new ComponentMeta();
                         // Set as class name the assigned by Application.createResource,
                         // even if not exists.
                         this.component.setClassName(alias);
                         if (!setComponentType)
                         {
                             this.component.setParentClassName("javax.faces.component.UINamingContainer");
                             PropertyMeta idProp = new PropertyMeta();
                             idProp.setName("id");
                             idProp.setRequired(false);
                             this.component.addProperty(idProp);
                         }
                         this.component.setModelId(model.getModelId());
                     }
                     //componentType
                     if (setComponentType)
                     {
                         component.setType(type.getValue());
                     }

                     //Mark it as composite
                     component.setComposite(Boolean.TRUE);

                     component.setCcLibraryName(libraryName);

                     component.setCcResourceName(resourceName);

                     //name: Force name to be the one derived by the composite component
                     component.setName(componentName);

                     //shortDescription
                     _TagAttribute shortDescription = attrs.get("shortDescription");
                     if (shortDescription != null)
                     {
                         component.setDescription(shortDescription.getValue());
                     }

                     // Ignored properties:
                     // displayName
                     // preferred
                     // expert
                     // hidden
                     model.addComponent(component);
                 }
                 if (ATTRIBUTE_NAME.equals(localName))
                 {
                     _TagAttributes attrs = this.createAttributes(attributes);
                     //name
                     String name = attrs.get("name").getValue();

                     PropertyMeta property = component.getProperty(name);

                     if (property == null)
                     {
                         property = new PropertyMeta();
                         property.setName(name);
                         component.addProperty(property);
                     }

                     //default
                     _TagAttribute defaultValue = attrs.get("default");
                     if (defaultValue != null)
                     {
                         property.setDefaultValue(defaultValue.getValue());
                     }
                     //required
                     _TagAttribute required = attrs.get("required");
                     if (required != null)
                     {
                         property.setRequired(Boolean.valueOf(required.getValue()));
                     }
                     //shortDescription
                     _TagAttribute shortDescription = attrs.get("shortDescription");
                     if (shortDescription != null)
                     {
                         property.setDescription(shortDescription.getValue());
                     }
                     //type
                     _TagAttribute type = attrs.get("type");
                     if (type != null)
                     {
                         property.setDeferredValueType(type.getValue());
                     }
                     //method-signature
                     _TagAttribute methodSignature = attrs.get("method-signature");
                     if (methodSignature != null)
                     {
                         String signature = methodSignature.getValue();
                         try
                         {
                             MethodSignatureMeta msm = new MethodSignatureMeta();
                             List paramsList = _getParameters(signature);
                             for (int i = 0; i < paramsList.size(); i++)
                             {
                                 msm.addParameterType((String)paramsList.get(i));
                             }
                             msm.setReturnType(_getReturnType(signature));
                             property.setMethodBindingSignature(msm);
                         }
                         catch (Exception e)
                         {
                             throw new SAXException(e);
                         }
                     }

                     // Ignored properties:
                     // preferred
                     // expert
                     // hidden
                     // targets
                     // displayName
                 }
                 if (FACET_NAME.equals(localName))
                 {
                     _TagAttributes attrs = this.createAttributes(attributes);

                     String name = attrs.get("name").getValue();

                     FacetMeta facet = component.getFacet(name);

                     if (facet == null)
                     {
                         facet = new FacetMeta();
                         facet.setName(name);
                         component.addFacet(facet);
                     }

                     //required
                     _TagAttribute required = attrs.get("required");
                     if (required != null)
                     {
                         facet.setRequired(Boolean.valueOf(required.getValue()));
                     }

                     //shortDescription
                     _TagAttribute shortDescription = attrs.get("shortDescription");
                     if (shortDescription != null)
                     {
                         facet.setDescription(shortDescription.getValue());
                     }

                     // Ignored properties:
                     // preferred
                     // expert
                     // hidden
                     // displayName
                 }
             }
         }

         private String _getReturnType(String signature) throws Exception
         {
             int endName = signature.indexOf('(');
             if (endName < 0)
             {
                 throw new Exception("Invalid method signature:" + signature);
             }
             int end = signature.lastIndexOf(' ', endName);
             if (end < 0)
             {
                 throw new Exception("Invalid method signature:" + signature);
             }
             return signature.substring(0,end);
         }

         /**
          * Get the parameters types from the function signature.
          *
          * @return An array of parameter class names
          */
         private List _getParameters(String signature) throws Exception
         {
             ArrayList params = new ArrayList();
             // Signature is of the form
             // <return-type> S <method-name S? '('
             // < <arg-type> ( ',' <arg-type> )* )? ')'
             int start = signature.indexOf('(') + 1;
             boolean lastArg = false;
             while (true)
             {
                 int p = signature.indexOf(',', start);
                 if (p < 0)
                 {
                     p = signature.indexOf(')', start);
                     if (p < 0)
                     {
                         throw new Exception("Invalid method signature:"+signature);
                     }
                     lastArg = true;
                 }
                 String arg = signature.substring(start, p).trim();
                 if (!"".equals(arg))
                 {
                     params.add(arg);
                 }
                 if (lastArg)
                 {
                     break;
                 }
                 start = p + 1;
             }
             return params;
         }

         public void startEntity(String name) throws SAXException
         {
         }

         public void startPrefixMapping(String prefix, String uri) throws SAXException
         {
         }

         public void processingInstruction(String target, String data) throws SAXException
         {
             if (this.inDocument && inCompositeInterface)
             {
             }
         }
     }

     public void buildModel(Model model, ModelParams parameters)
     {
         if (parameters.getCompositeComponentDirectories() != null &&
             parameters.getCompositeComponentLibraries() != null &&
             !parameters.getCompositeComponentDirectories().isEmpty() &&
             !parameters.getCompositeComponentLibraries().isEmpty())
         {
             for (Iterator it = parameters.getCompositeComponentDirectories().iterator(); it.hasNext();)
             {
                 Object odir = it.next();
                 File dir = null;
                 if (odir instanceof File)
                 {
                     dir = (File) odir;
                 }
                 else
                 {
                     dir = new File(odir.toString());
                 }
                 if (dir != null && dir.exists())
                 {
                     for (Iterator it2 = parameters.getCompositeComponentLibraries().entrySet().iterator();
                          it2.hasNext();)
                     {
                         Map.Entry entry = (Map.Entry) it2.next();
                         String shortTagLibraryName = (String) entry.getKey();
                         String libraryName = (String) entry.getValue();
                         File dirToScan = new File(dir,libraryName);
                         if (dirToScan != null && dirToScan.exists() && dirToScan.isDirectory() )
                         {

                              final String[] fileExtensions = parameters.getCompositeComponentFileExtensions() != null ?
                                      parameters.getCompositeComponentFileExtensions().split(" ") : new String[]{".xhtml"};
                              FileFilter fileFilter = new FileFilter()
                              {
                                  public boolean accept(File file)
                                  {
                                      for (String extension : fileExtensions)
                                      {
                                          if (file.getName().endsWith(extension))
                                          {
                                              return true;
                                          }
                                      }
                                      return false;
                                  }
                              };
                              File[] files = dirToScan.listFiles(fileFilter);
                              if (files != null)
                              {
                                  for (int i = 0; i < files.length; i++)
                                  {
                                      String fileExtension = null;
                                      for (String extension : fileExtensions)
                                      {
                                          if (files[i].getName().endsWith(extension))
                                          {
                                              fileExtension = extension;
                                              break;
                                          }
                                      }
                                      String componentName = files[i].getName().substring(
                                                  0, files[i].getName().length()-fileExtension.length());
                                      try
                                     {
                                         doParseMetadata(model, files[i].toURL(),
                                                 shortTagLibraryName, libraryName, files[i].getName(),
                                                 componentName, libraryName+'.'+ componentName);
                                     }
                                     catch (MalformedURLException e)
                                     {
                                         log.error("Error while processing composite component: "+
                                                 libraryName+'/'+componentName, e);
                                     }
                                     catch (IOException e)
                                     {
                                         log.error("Error while processing composite component: "+
                                                 libraryName+'/'+componentName, e);
                                     }
                                     catch (SAXException e)
                                     {
                                         log.error("Error while processing composite component: "+
                                                 libraryName+'/'+componentName, e);
                                     }
                                     catch (ParserConfigurationException e)
                                     {
                                         log.error("Error while processing composite component: "+
                                                 libraryName+'/'+componentName, e);
                                     }
                                  }
                              }
                         }
                     }
                 }
             }
         }
     }

     protected void doParseMetadata(Model model,
             URL src, String shortLibraryName,
             String libraryName, String resourceName, String componentName, String alias)
     throws IOException, SAXException,
             ParserConfigurationException
     {
         InputStream is = null;
         try
         {
             is = new BufferedInputStream(src.openStream(), 1024);
             CompositeComponentMetadataHandler handler =
                 new CompositeComponentMetadataHandler(model, alias, shortLibraryName + ':' +
                         componentName, libraryName, resourceName);
             SAXParser parser = this.createSAXParser(handler);
             parser.parse(is, handler);
         }
         finally
         {
             if (is != null)
             {
                 is.close();
             }
         }
     }

     private final SAXParser createSAXParser(DefaultHandler handler)
             throws SAXException, ParserConfigurationException
     {
         SAXParserFactory factory = SAXParserFactory.newInstance();
         factory.setNamespaceAware(true);
         factory.setFeature("http://xml.org/sax/features/namespace-prefixes",
                 true);
         factory.setFeature("http://xml.org/sax/features/validation", false);
         factory.setValidating(false);
         SAXParser parser = factory.newSAXParser();
         XMLReader reader = parser.getXMLReader();
         reader.setProperty("http://xml.org/sax/properties/lexical-handler",
                 handler);
         reader.setErrorHandler(handler);
         reader.setEntityResolver(handler);
         return parser;
     }
 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you 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.myfaces.buildtools.maven2.plugin.builder.qdox;

	import java.io.BufferedInputStream;
	import java.io.File;
	import java.io.FileFilter;
	import java.io.IOException;
	import java.io.InputStream;
	import java.net.MalformedURLException;
	import java.net.URL;
	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Map;

	import javax.xml.parsers.ParserConfigurationException;
	import javax.xml.parsers.SAXParser;
	import javax.xml.parsers.SAXParserFactory;

	import org.apache.commons.lang.ClassUtils;
	import org.apache.commons.logging.Log;
	import org.apache.commons.logging.LogFactory;
	import org.apache.myfaces.buildtools.maven2.plugin.builder.ModelParams;
	import org.apache.myfaces.buildtools.maven2.plugin.builder.model.ComponentMeta;
	import org.apache.myfaces.buildtools.maven2.plugin.builder.model.FacetMeta;
	import org.apache.myfaces.buildtools.maven2.plugin.builder.model.MethodSignatureMeta;
	import org.apache.myfaces.buildtools.maven2.plugin.builder.model.Model;
	import org.apache.myfaces.buildtools.maven2.plugin.builder.model.PropertyMeta;
	import org.xml.sax.Attributes;
	import org.xml.sax.InputSource;
	import org.xml.sax.Locator;
	import org.xml.sax.SAXException;
	import org.xml.sax.SAXParseException;
	import org.xml.sax.XMLReader;
	import org.xml.sax.ext.LexicalHandler;
	import org.xml.sax.helpers.DefaultHandler;

	public class CompositeComponentModelBuilder
	{
	private final Log log = LogFactory.getLog(CompositeComponentModelBuilder.class);
	public static final String COMPOSITE_LIBRARY_NAME = "http://java.sun.com/jsf/composite";

	public static final String INTERFACE_NAME = "interface";
	public static final String ATTRIBUTE_NAME = "attribute";
	public static final String FACET_NAME = "facet";

	private static class CompositeComponentMetadataHandler extends
	DefaultHandler implements LexicalHandler
	{
	private final Model model;

	private final String alias;

	private final String componentName;

	private final String libraryName;

	private final String resourceName;

	private boolean inDocument = false;

	private Locator locator;

	private boolean inCompositeInterface = false;

	private ComponentMeta component = null;

	public CompositeComponentMetadataHandler(Model model, String alias, String componentName,
	String libraryName, String resourceName)
	{
	this.model = model;
	this.alias = alias;
	this.componentName = componentName;
	this.libraryName = libraryName;
	this.resourceName = resourceName;
	}

	public void characters(char[] ch, int start, int length) throws SAXException
	{
	if (this.inDocument && inCompositeInterface)
	{
	}
	}

	public void comment(char[] ch, int start, int length) throws SAXException
	{
	if (this.inDocument && inCompositeInterface)
	{
	}
	}

	protected _TagAttributes createAttributes(Attributes attrs)
	{
	int len = attrs.getLength();
	_TagAttribute[] ta = new _TagAttribute[len];
	for (int i = 0; i < len; i++)
	{
	ta[i] = new _TagAttribute(this.createLocation(), attrs.getURI(i), attrs.getLocalName(i), attrs
	.getQName(i), attrs.getValue(i));
	}
	return new _TagAttributes(ta);
	}

	protected _Location createLocation()
	{
	return new _Location(this.alias, this.locator.getLineNumber(), this.locator.getColumnNumber());
	}

	public void endCDATA() throws SAXException
	{
	if (this.inDocument && inCompositeInterface)
	{
	}
	}

	public void endDocument() throws SAXException
	{
	super.endDocument();
	}

	public void endDTD() throws SAXException
	{
	this.inDocument = true;
	}

	public void endElement(String uri, String localName, String qName) throws SAXException
	{
	if (COMPOSITE_LIBRARY_NAME.equals(uri))
	{
	if (INTERFACE_NAME.equals(localName))
	{
	this.inCompositeInterface=false;
	this.component = null;
	}
	}
	}

	public void endEntity(String name) throws SAXException
	{
	}

	public void endPrefixMapping(String prefix) throws SAXException
	{
	}

	public void fatalError(SAXParseException e) throws SAXException
	{
	if (this.locator != null)
	{
	throw new SAXException("Error Traced[line: " + this.locator.getLineNumber() + "] " + e.getMessage());
	}
	else
	{
	throw e;
	}
	}

	public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException
	{
	if (this.inDocument && inCompositeInterface)
	{
	}
	}

	public InputSource resolveEntity(String publicId, String systemId) throws SAXException
	{
	String dtd = "org/apache/myfaces/buildtools/maven2/plugin/builder/qdox/default.dtd";
	/*
	* if ("-//W3C//DTD XHTML 1.0 Transitional//EN".equals(publicId)) { dtd = "xhtml1-transitional.dtd"; } else
	* if (systemId != null && systemId.startsWith("file:/")) { return new InputSource(systemId); }
	*/
	URL url = getResource(dtd);
	return new InputSource(url.toString());
	}

	public static URL getResource(String resource)
	{
	URL url = Thread.currentThread().getContextClassLoader().getResource(resource);
	if (url == null)
	{
	url = ClassUtils.class.getClassLoader().getResource(resource);
	}
	return url;
	}

	public void setDocumentLocator(Locator locator)
	{
	this.locator = locator;
	}

	public void startCDATA() throws SAXException
	{
	if (this.inDocument && inCompositeInterface)
	{
	}
	}

	public void startDocument() throws SAXException
	{
	this.inDocument = true;
	}

	public void startDTD(String name, String publicId, String systemId) throws SAXException
	{
	// metadata does not require output doctype
	this.inDocument = false;
	}

	public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException
	{
	if (COMPOSITE_LIBRARY_NAME.equals(uri))
	{
	if (INTERFACE_NAME.equals(localName))
	{
	this.inCompositeInterface=true;
	_TagAttributes attrs = this.createAttributes(attributes);

	this.component = null;
	//1. Use componentType attribute to find the class in the model.
	_TagAttribute type = attrs.get("componentType");
	boolean setComponentType = false;
	if (type != null)
	{
	this.component = model.findComponentByType(type.getValue());
	if (this.component == null)
	{
	//Component not found, set component type when created
	setComponentType = true;
	}
	}
	if (this.component == null)
	{
	//2. Use libraryName + '.' + componentName
	this.component = model.findComponentByClassName(alias);
	}
	if (this.component == null)
	{
	//No class bound, create
	this.component = new ComponentMeta();
	// Set as class name the assigned by Application.createResource,
	// even if not exists.
	this.component.setClassName(alias);
	if (!setComponentType)
	{
	this.component.setParentClassName("javax.faces.component.UINamingContainer");
	PropertyMeta idProp = new PropertyMeta();
	idProp.setName("id");
	idProp.setRequired(false);
	this.component.addProperty(idProp);
	}
	this.component.setModelId(model.getModelId());
	}
	//componentType
	if (setComponentType)
	{
	component.setType(type.getValue());
	}

	//Mark it as composite
	component.setComposite(Boolean.TRUE);

	component.setCcLibraryName(libraryName);

	component.setCcResourceName(resourceName);

	//name: Force name to be the one derived by the composite component
	component.setName(componentName);

	//shortDescription
	_TagAttribute shortDescription = attrs.get("shortDescription");
	if (shortDescription != null)
	{
	component.setDescription(shortDescription.getValue());
	}

	// Ignored properties:
	// displayName
	// preferred
	// expert
	// hidden
	model.addComponent(component);
	}
	if (ATTRIBUTE_NAME.equals(localName))
	{
	_TagAttributes attrs = this.createAttributes(attributes);
	//name
	String name = attrs.get("name").getValue();

	PropertyMeta property = component.getProperty(name);

	if (property == null)
	{
	property = new PropertyMeta();
	property.setName(name);
	component.addProperty(property);
	}

	//default
	_TagAttribute defaultValue = attrs.get("default");
	if (defaultValue != null)
	{
	property.setDefaultValue(defaultValue.getValue());
	}
	//required
	_TagAttribute required = attrs.get("required");
	if (required != null)
	{
	property.setRequired(Boolean.valueOf(required.getValue()));
	}
	//shortDescription
	_TagAttribute shortDescription = attrs.get("shortDescription");
	if (shortDescription != null)
	{
	property.setDescription(shortDescription.getValue());
	}
	//type
	_TagAttribute type = attrs.get("type");
	if (type != null)
	{
	property.setDeferredValueType(type.getValue());
	}
	//method-signature
	_TagAttribute methodSignature = attrs.get("method-signature");
	if (methodSignature != null)
	{
	String signature = methodSignature.getValue();
	try
	{
	MethodSignatureMeta msm = new MethodSignatureMeta();
	List paramsList = _getParameters(signature);
	for (int i = 0; i < paramsList.size(); i++)
	{
	msm.addParameterType((String)paramsList.get(i));
	}
	msm.setReturnType(_getReturnType(signature));
	property.setMethodBindingSignature(msm);
	}
	catch (Exception e)
	{
	throw new SAXException(e);
	}
	}

	// Ignored properties:
	// preferred
	// expert
	// hidden
	// targets
	// displayName
	}
	if (FACET_NAME.equals(localName))
	{
	_TagAttributes attrs = this.createAttributes(attributes);

	String name = attrs.get("name").getValue();

	FacetMeta facet = component.getFacet(name);

	if (facet == null)
	{
	facet = new FacetMeta();
	facet.setName(name);
	component.addFacet(facet);
	}

	//required
	_TagAttribute required = attrs.get("required");
	if (required != null)
	{
	facet.setRequired(Boolean.valueOf(required.getValue()));
	}

	//shortDescription
	_TagAttribute shortDescription = attrs.get("shortDescription");
	if (shortDescription != null)
	{
	facet.setDescription(shortDescription.getValue());
	}

	// Ignored properties:
	// preferred
	// expert
	// hidden
	// displayName
	}
	}
	}

	private String _getReturnType(String signature) throws Exception
	{
	int endName = signature.indexOf('(');
	if (endName < 0)
	{
	throw new Exception("Invalid method signature:" + signature);
	}
	int end = signature.lastIndexOf(' ', endName);
	if (end < 0)
	{
	throw new Exception("Invalid method signature:" + signature);
	}
	return signature.substring(0,end);
	}

	/**
	* Get the parameters types from the function signature.
	*
	* @return An array of parameter class names
	*/
	private List _getParameters(String signature) throws Exception
	{
	ArrayList params = new ArrayList();
	// Signature is of the form
	// <return-type> S <method-name S? '('
	// < <arg-type> ( ',' <arg-type> )* )? ')'
	int start = signature.indexOf('(') + 1;
	boolean lastArg = false;
	while (true)
	{
	int p = signature.indexOf(',', start);
	if (p < 0)
	{
	p = signature.indexOf(')', start);
	if (p < 0)
	{
	throw new Exception("Invalid method signature:"+signature);
	}
	lastArg = true;
	}
	String arg = signature.substring(start, p).trim();
	if (!"".equals(arg))
	{
	params.add(arg);
	}
	if (lastArg)
	{
	break;
	}
	start = p + 1;
	}
	return params;
	}

	public void startEntity(String name) throws SAXException
	{
	}

	public void startPrefixMapping(String prefix, String uri) throws SAXException
	{
	}

	public void processingInstruction(String target, String data) throws SAXException
	{
	if (this.inDocument && inCompositeInterface)
	{
	}
	}
	}

	public void buildModel(Model model, ModelParams parameters)
	{
	if (parameters.getCompositeComponentDirectories() != null &&
	parameters.getCompositeComponentLibraries() != null &&
	!parameters.getCompositeComponentDirectories().isEmpty() &&
	!parameters.getCompositeComponentLibraries().isEmpty())
	{
	for (Iterator it = parameters.getCompositeComponentDirectories().iterator(); it.hasNext();)
	{
	Object odir = it.next();
	File dir = null;
	if (odir instanceof File)
	{
	dir = (File) odir;
	}
	else
	{
	dir = new File(odir.toString());
	}
	if (dir != null && dir.exists())
	{
	for (Iterator it2 = parameters.getCompositeComponentLibraries().entrySet().iterator();
	it2.hasNext();)
	{
	Map.Entry entry = (Map.Entry) it2.next();
	String shortTagLibraryName = (String) entry.getKey();
	String libraryName = (String) entry.getValue();
	File dirToScan = new File(dir,libraryName);
	if (dirToScan != null && dirToScan.exists() && dirToScan.isDirectory() )
	{

	final String[] fileExtensions = parameters.getCompositeComponentFileExtensions() != null ?
	parameters.getCompositeComponentFileExtensions().split(" ") : new String[]{".xhtml"};
	FileFilter fileFilter = new FileFilter()
	{
	public boolean accept(File file)
	{
	for (String extension : fileExtensions)
	{
	if (file.getName().endsWith(extension))
	{
	return true;
	}
	}
	return false;
	}
	};
	File[] files = dirToScan.listFiles(fileFilter);
	if (files != null)
	{
	for (int i = 0; i < files.length; i++)
	{
	String fileExtension = null;
	for (String extension : fileExtensions)
	{
	if (files[i].getName().endsWith(extension))
	{
	fileExtension = extension;
	break;
	}
	}
	String componentName = files[i].getName().substring(
	0, files[i].getName().length()-fileExtension.length());
	try
	{
	doParseMetadata(model, files[i].toURL(),
	shortTagLibraryName, libraryName, files[i].getName(),
	componentName, libraryName+'.'+ componentName);
	}
	catch (MalformedURLException e)
	{
	log.error("Error while processing composite component: "+
	libraryName+'/'+componentName, e);
	}
	catch (IOException e)
	{
	log.error("Error while processing composite component: "+
	libraryName+'/'+componentName, e);
	}
	catch (SAXException e)
	{
	log.error("Error while processing composite component: "+
	libraryName+'/'+componentName, e);
	}
	catch (ParserConfigurationException e)
	{
	log.error("Error while processing composite component: "+
	libraryName+'/'+componentName, e);
	}
	}
	}
	}
	}
	}
	}
	}
	}

	protected void doParseMetadata(Model model,
	URL src, String shortLibraryName,
	String libraryName, String resourceName, String componentName, String alias)
	throws IOException, SAXException,
	ParserConfigurationException
	{
	InputStream is = null;
	try
	{
	is = new BufferedInputStream(src.openStream(), 1024);
	CompositeComponentMetadataHandler handler =
	new CompositeComponentMetadataHandler(model, alias, shortLibraryName + ':' +
	componentName, libraryName, resourceName);
	SAXParser parser = this.createSAXParser(handler);
	parser.parse(is, handler);
	}
	finally
	{
	if (is != null)
	{
	is.close();
	}
	}
	}

	private final SAXParser createSAXParser(DefaultHandler handler)
	throws SAXException, ParserConfigurationException
	{
	SAXParserFactory factory = SAXParserFactory.newInstance();
	factory.setNamespaceAware(true);
	factory.setFeature("http://xml.org/sax/features/namespace-prefixes",
	true);
	factory.setFeature("http://xml.org/sax/features/validation", false);
	factory.setValidating(false);
	SAXParser parser = factory.newSAXParser();
	XMLReader reader = parser.getXMLReader();
	reader.setProperty("http://xml.org/sax/properties/lexical-handler",
	handler);
	reader.setErrorHandler(handler);
	reader.setEntityResolver(handler);
	return parser;
	}
	}