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Diffstat (limited to 'bundles/org.eclipse.wst.ws.parser/src/org/eclipse/wst/ws/internal/parser/wsil/HTMLHeadHandler.java')
-rw-r--r--bundles/org.eclipse.wst.ws.parser/src/org/eclipse/wst/ws/internal/parser/wsil/HTMLHeadHandler.java296
1 files changed, 0 insertions, 296 deletions
diff --git a/bundles/org.eclipse.wst.ws.parser/src/org/eclipse/wst/ws/internal/parser/wsil/HTMLHeadHandler.java b/bundles/org.eclipse.wst.ws.parser/src/org/eclipse/wst/ws/internal/parser/wsil/HTMLHeadHandler.java
deleted file mode 100644
index e63c60df3..000000000
--- a/bundles/org.eclipse.wst.ws.parser/src/org/eclipse/wst/ws/internal/parser/wsil/HTMLHeadHandler.java
+++ /dev/null
@@ -1,296 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2001, 2006 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
- * yyyymmdd bug Email and other contact information
- * -------- -------- -----------------------------------------------------------
- * 20060517 142324 rsinha@ca.ibm.com - Rupam Kuehner
- *******************************************************************************/
-
-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";
-
- //HTML META tag information used to detect the charset.
- private final String HTML_CONTENT = "content";
- private final String HTTP_EQUIV = "http-equiv";
- private final String HTTP_EQUIV_CONTENT_TYPE = "Content-Type";
- private final String CHARSET = "charset";
-
- // 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_;
- private String byteEncoding = UTF8; //Default to UTF-8.
-
- 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
- {
- }
-
- /**
- * Appends the elements of the provided tag in the provided document to the provided StringBuffer.
- * @param target
- * @param document
- * @param tag
- * @param encoding
- * @return boolean false if the value of the encoding parameter matched the detected charset or if no charset was detected.
- * Returns true if a charset was detected and it did not equal the encoding parameter. If true is returned
- * the harvesting of the tags would have stopped at the point the charset was detected. The caller
- * should call this method again with the correct encoding.
- */
- private boolean harvestTags(StringBuffer target,String document,String tag, String encoding)
- {
- boolean changeEncoding = false;
- 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();
-
- //If tag is META and declares the charset, find out what it is
- //and if it matches what was passed in. If it matches, continue
- //with the parsing and return false when complete.
- //If the detected charset is different from what was passed in,
- //- change byteEncoding to equal the detected charset.
- //- stop parsing.
- //- return true.
- if (tag.equals(META))
- {
- int idxOfContent = str.indexOf(HTML_CONTENT);
- int idxOfHTTPEQUIV = str.indexOf(HTTP_EQUIV);
- if (idxOfHTTPEQUIV!= -1 && idxOfContent != -1)
- {
- //Check if the http-equiv attribute is set to Content-Type.
- int idxOfHTTPEQUIVOpenQuote = str.indexOf("\"", idxOfHTTPEQUIV+1);
- int idxOfHTTPEQUIVClosingQuote = str.indexOf("\"", idxOfHTTPEQUIVOpenQuote+1);
- String hTTPEQUIVValueUntrimmed = str.substring(idxOfHTTPEQUIVOpenQuote+1, idxOfHTTPEQUIVClosingQuote);
- if (hTTPEQUIVValueUntrimmed.trim().equals(HTTP_EQUIV_CONTENT_TYPE))
- {
- //This META tag contains the charset. Get the value of the content attribute
- int idxOfOpenQuote = str.indexOf("\"", idxOfContent+1);
- int idxOfClosingQuote = str.indexOf("\"", idxOfOpenQuote+1);
- String contentValue = str.substring(idxOfOpenQuote+1, idxOfClosingQuote);
-
- //Get the charset
- int idxOfCharSet = contentValue.indexOf(CHARSET);
- int idxOfEquals = contentValue.indexOf("=", idxOfCharSet+CHARSET.length());
- String detectedEncodingValueUntrimmed = contentValue.substring(idxOfEquals+1);
- String detectedEncodingValue = detectedEncodingValueUntrimmed.trim();
- if (!detectedEncodingValue.equals(encoding))
- {
- byteEncoding = detectedEncodingValue;
- changeEncoding = true;
- break;
- }
- }
- }
- }
- }
- else
- index++;
- index = document.indexOf(START_TAG,index);
- }
-
- return changeEncoding;
- }
-
-
- /**
- * If the provided byte array reperesents the contents of an HTML
- * document, this method will return a byte array in which
- * <ul>
- * <li>the opening and closing HEAD tags are removed and replaced with
- * opening and closing <root> tags</li>
- * <li>only the META and LINK elements are in the HTML document
- * are included in the contents between the opening and closing
- * <root> tags.
- * </ul>
- * This method will modify the value of the byteEncoding String
- * attribute on this class if it is something other than
- * UTF-8. Callers of this method should call getByteEncoding()
- * after calling this method if they need to know the charset
- * value used by this method to decode/endcode the byte array.
- * @param b
- * @return byte[]
- */
- public byte[] harvestHeadTags(byte[] b)
- {
- String s;
-
- try
- {
- //Assume the default byte encoding of UTF-8 for now.
- s = new String(b, byteEncoding);
- }
- 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());
- boolean encodingChanged = harvestTags(sb,head,META, byteEncoding);
- if (encodingChanged)
- {
- //The harvestTags method detected a different charset
- //than the one that was passed in. Start from the beginning
- //with the correct charset.
- String s2;
- try
- {
- s2 = new String(b, byteEncoding);
- }
- catch (UnsupportedEncodingException uee)
- {
- s2 = new String(b);
- }
- String head2 = s2.toLowerCase();
- int head2StartIndex = head2.indexOf(HEAD_START_TAG);
- int head2EndIndex = head2.indexOf(HEAD_END_TAG);
- sb = new StringBuffer();
- sb.append(ROOT_START_TAG);
- if (head2StartIndex != -1 && head2EndIndex != -1)
- {
- head2 = s2.substring(head2StartIndex, head2EndIndex+HEAD_END_TAG.length());
- harvestTags(sb,head2,META, byteEncoding);
- harvestTags(sb,head2,LINK,byteEncoding);
- }
- }
- else
- {
- harvestTags(sb,head,LINK,byteEncoding);
- }
- }
- sb.append(ROOT_END_TAG);
- try
- {
- return sb.toString().getBytes(byteEncoding);
- } catch (UnsupportedEncodingException uee)
- {
- return sb.toString().getBytes();
- }
-
- }
-
- public String getByteEncoding()
- {
- return byteEncoding;
- }
-}

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