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/*******************************************************************************
* Copyright (c) 2004 - 2006 University Of British Columbia 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:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.internal.bugzilla.core;
import java.io.IOException;
import java.io.Reader;
import java.text.ParseException;
import org.eclipse.mylar.internal.tasklist.util.HtmlStreamTokenizer;
import org.eclipse.mylar.internal.tasklist.util.HtmlTag;
import org.eclipse.mylar.internal.tasklist.util.HtmlStreamTokenizer.Token;
/**
* This is in place to escape & characters within the resource and rdf:about
* attributes. Currently the values are not escaped which causes sax parser
* errors. This bug has been filed and can be found here:
* https://bugzilla.mozilla.org/show_bug.cgi?id=264785
*
* @author Rob Elves
*/
public class XmlCleaner {
public static StringBuffer clean(Reader in) {
HtmlStreamTokenizer tokenizer = new HtmlStreamTokenizer(in, null);
StringBuffer content = new StringBuffer();
// Hack since HtmlStreamTokenizer not familiar with xml tag.
content.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
try {
for (Token token = tokenizer.nextToken(); token.getType() != Token.EOF; token = tokenizer.nextToken()) {
if (token.getType() == Token.TAG) {
HtmlTag tag = (HtmlTag) token.getValue();
if (tag.getAttribute("resource") != null) {
String resourceID = tag.getAttribute("resource");
tag.setAttribute("resource", resourceID.replace("&", "&"));
}
if (tag.getAttribute("rdf:about") != null) {
String resourceID = tag.getAttribute("rdf:about");
tag.setAttribute("rdf:about", resourceID.replace("&", "&"));
}
}
if (!token.toString().startsWith("<?xml")) {
content.append(token.toString());
}
}
} catch (IOException e) {
} catch (ParseException e) {
}
return content;
}
}
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