bundles/org.eclipse.wst.ws.parser/src/org/eclipse/wst/ws/internal/parser/wsil/HTMLHeadHandler.java - webservices/webtools.webservices - Git at Google

 /*******************************************************************************
  * Copyright (c) 2001, 2004 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  ******************************************************************************/

 package org.eclipse.wst.ws.internal.parser.wsil;

 import java.io.UnsupportedEncodingException;
 import java.util.Vector;

 import org.xml.sax.Attributes;
 import org.xml.sax.SAXException;
 import org.xml.sax.SAXParseException;
 import org.xml.sax.helpers.DefaultHandler;

 public class HTMLHeadHandler extends DefaultHandler
 {
   private final char START_TAG = '<';
   private final char END_TAG = '>';
   private final String HEAD_START_TAG = "<head>";
   private final String HEAD_END_TAG = "</head>";
   private final String ROOT_START_TAG = "<root>";
   private final String ROOT_END_TAG = "</root>";
   private final String UTF8 = "UTF-8";

   // WSIL tag information.
   private final String META = "meta";
   private final String NAME = "name";
   private final String SERVICE_INSPECTION = "serviceInspection";
   private final String CONTENT = "content";

   // DISCO tag information.
   private final String LINK = "link";
   private final String TYPE = "type";
   private final String TEXT_XML = "text/xml";
   private final String REL = "rel";
   private final String ALTERNATE = "alternate";
   private final String HREF = "href";

   private String baseURI_;
   private Vector wsils_;
   private Vector discos_;

   public HTMLHeadHandler(String baseURI)
   {
     super();
     baseURI_ = baseURI;
     wsils_ = new Vector();
     discos_ = new Vector();
   }

   public String[] getWsils()
   {
     String[] wsils = new String[wsils_.size()];
     wsils_.copyInto(wsils);
     return wsils;
   }

   public String[] getDiscos()
   {
     String[] discos = new String[discos_.size()];
     discos_.copyInto(discos);
     return discos;
   }

   public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException
   {
     String qNameLC = qName.toLowerCase();
     if (qNameLC.equals(META))
     {
       String nameValue = attributes.getValue(NAME);
       if (SERVICE_INSPECTION.equals(nameValue))
       {
         String wsilURI = attributes.getValue(CONTENT);
         if (baseURI_ != null && wsilURI.indexOf(":/") == -1)
         {
           StringBuffer sb = new StringBuffer();
           sb.append(baseURI_.substring(0, baseURI_.lastIndexOf("/")+1));
           sb.append(wsilURI);
           wsilURI = sb.toString();
         }
         if (!wsils_.contains(wsilURI))
           wsils_.add(wsilURI);
       }
     }
     else if (qNameLC.equals(LINK))
     {
       // See http://msdn.microsoft.com/msdnmag/issues/02/02/xml/default.aspx for more details on DISCO.
       String type = attributes.getValue(TYPE);
       String rel = attributes.getValue(REL);
       String href = attributes.getValue(HREF);
       if (TEXT_XML.equals(type) && ALTERNATE.equals(rel) && href != null)
       {
         String discoURI = href;
         if (discoURI.indexOf(":/") == -1)
         {
           StringBuffer sb = new StringBuffer();
           sb.append(baseURI_.substring(0,baseURI_.lastIndexOf("/")+1));
           sb.append(discoURI);
           discoURI = sb.toString();
         }
         if (!discos_.contains(discoURI))
           discos_.add(discoURI);
       }
     }
   }

   public void error(SAXParseException e) throws SAXException
   {
   }

   public void fatalError(SAXParseException e) throws SAXException
   {
   }

   public void warning(SAXParseException e) throws SAXException
   {
   }

   private void harvestTags(StringBuffer target,String document,String tag)
   {
     int index = document.indexOf(START_TAG);
     int documentLength = document.length();
     int tagLength = tag.length();
     while (index != -1 && (index+1+tagLength)<documentLength)
     {
       String str = document.substring(index+1,index+1+tagLength);
       if (str.toLowerCase().equals(tag))
       {
         str = document.substring(index,document.indexOf(END_TAG,index+1)+1);
         target.append(str);
         index += str.length();
       }
       else
         index++;
       index = document.indexOf(START_TAG,index);
     }
   }

   public byte[] harvestHeadTags(byte[] b)
   {
     String s;
     try
     {
       s = new String(b, UTF8);
     }
     catch (UnsupportedEncodingException uee)
     {
       s = new String(b);
     }
     String head = s.toLowerCase();
     int headStartIndex = head.indexOf(HEAD_START_TAG);
     int headEndIndex = head.indexOf(HEAD_END_TAG);
     StringBuffer sb = new StringBuffer();
     sb.append(ROOT_START_TAG);
     if (headStartIndex != -1 && headEndIndex != -1)
     {
       head = s.substring(headStartIndex, headEndIndex+HEAD_END_TAG.length());
       harvestTags(sb,head,META);
       harvestTags(sb,head,LINK);
     }
     sb.append(ROOT_END_TAG);
     return sb.toString().getBytes();
   }
 }
	/*******************************************************************************
	* Copyright (c) 2001, 2004 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	******************************************************************************/

	package org.eclipse.wst.ws.internal.parser.wsil;

	import java.io.UnsupportedEncodingException;
	import java.util.Vector;

	import org.xml.sax.Attributes;
	import org.xml.sax.SAXException;
	import org.xml.sax.SAXParseException;
	import org.xml.sax.helpers.DefaultHandler;

	public class HTMLHeadHandler extends DefaultHandler
	{
	private final char START_TAG = '<';
	private final char END_TAG = '>';
	private final String HEAD_START_TAG = "<head>";
	private final String HEAD_END_TAG = "</head>";
	private final String ROOT_START_TAG = "<root>";
	private final String ROOT_END_TAG = "</root>";
	private final String UTF8 = "UTF-8";

	// WSIL tag information.
	private final String META = "meta";
	private final String NAME = "name";
	private final String SERVICE_INSPECTION = "serviceInspection";
	private final String CONTENT = "content";

	// DISCO tag information.
	private final String LINK = "link";
	private final String TYPE = "type";
	private final String TEXT_XML = "text/xml";
	private final String REL = "rel";
	private final String ALTERNATE = "alternate";
	private final String HREF = "href";

	private String baseURI_;
	private Vector wsils_;
	private Vector discos_;

	public HTMLHeadHandler(String baseURI)
	{
	super();
	baseURI_ = baseURI;
	wsils_ = new Vector();
	discos_ = new Vector();
	}

	public String[] getWsils()
	{
	String[] wsils = new String[wsils_.size()];
	wsils_.copyInto(wsils);
	return wsils;
	}

	public String[] getDiscos()
	{
	String[] discos = new String[discos_.size()];
	discos_.copyInto(discos);
	return discos;
	}

	public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException
	{
	String qNameLC = qName.toLowerCase();
	if (qNameLC.equals(META))
	{
	String nameValue = attributes.getValue(NAME);
	if (SERVICE_INSPECTION.equals(nameValue))
	{
	String wsilURI = attributes.getValue(CONTENT);
	if (baseURI_ != null && wsilURI.indexOf(":/") == -1)
	{
	StringBuffer sb = new StringBuffer();
	sb.append(baseURI_.substring(0, baseURI_.lastIndexOf("/")+1));
	sb.append(wsilURI);
	wsilURI = sb.toString();
	}
	if (!wsils_.contains(wsilURI))
	wsils_.add(wsilURI);
	}
	}
	else if (qNameLC.equals(LINK))
	{
	// See http://msdn.microsoft.com/msdnmag/issues/02/02/xml/default.aspx for more details on DISCO.
	String type = attributes.getValue(TYPE);
	String rel = attributes.getValue(REL);
	String href = attributes.getValue(HREF);
	if (TEXT_XML.equals(type) && ALTERNATE.equals(rel) && href != null)
	{
	String discoURI = href;
	if (discoURI.indexOf(":/") == -1)
	{
	StringBuffer sb = new StringBuffer();
	sb.append(baseURI_.substring(0,baseURI_.lastIndexOf("/")+1));
	sb.append(discoURI);
	discoURI = sb.toString();
	}
	if (!discos_.contains(discoURI))
	discos_.add(discoURI);
	}
	}
	}

	public void error(SAXParseException e) throws SAXException
	{
	}

	public void fatalError(SAXParseException e) throws SAXException
	{
	}

	public void warning(SAXParseException e) throws SAXException
	{
	}

	private void harvestTags(StringBuffer target,String document,String tag)
	{
	int index = document.indexOf(START_TAG);
	int documentLength = document.length();
	int tagLength = tag.length();
	while (index != -1 && (index+1+tagLength)<documentLength)
	{
	String str = document.substring(index+1,index+1+tagLength);
	if (str.toLowerCase().equals(tag))
	{
	str = document.substring(index,document.indexOf(END_TAG,index+1)+1);
	target.append(str);
	index += str.length();
	}
	else
	index++;
	index = document.indexOf(START_TAG,index);
	}
	}

	public byte[] harvestHeadTags(byte[] b)
	{
	String s;
	try
	{
	s = new String(b, UTF8);
	}
	catch (UnsupportedEncodingException uee)
	{
	s = new String(b);
	}
	String head = s.toLowerCase();
	int headStartIndex = head.indexOf(HEAD_START_TAG);
	int headEndIndex = head.indexOf(HEAD_END_TAG);
	StringBuffer sb = new StringBuffer();
	sb.append(ROOT_START_TAG);
	if (headStartIndex != -1 && headEndIndex != -1)
	{
	head = s.substring(headStartIndex, headEndIndex+HEAD_END_TAG.length());
	harvestTags(sb,head,META);
	harvestTags(sb,head,LINK);
	}
	sb.append(ROOT_END_TAG);
	return sb.toString().getBytes();
	}
	}