顺便贴个代码,你看看吧 /* * @(#)Echo02.java 1.5 99/02/09 * * Copyright (c) 1998 Sun Microsystems, Inc. All Rights Reserved. * * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use, * modify and redistribute this software in source and binary code form, * provided that i) this copyright notice and license appear on all copies of * the software; and ii) Licensee does not utilize the software in a manner * which is disparaging to Sun. * * This software is provided "AS IS," without a warranty of any kind. ALL * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. * * This software is not designed or intended for use in on-line control of * aircraft, air traffic, aircraft navigation or aircraft communications; or in * the design, construction, operation or maintenance of any nuclear * facility. Licensee represents and warrants that it will not use or * redistribute the Software for such purposes. */import java.io.*;import org.xml.sax.*; import org.xml.sax.helpers.DefaultHandler;import javax.xml.parsers.SAXParserFactory; import javax.xml.parsers.ParserConfigurationException; import javax.xml.parsers.SAXParser;public class Echo02 extends DefaultHandler { public static void main(String argv[]) { if (argv.length != 1) { System.err.println("Usage: cmd filename"); System.exit(1); }
// Use an instance of ourselves as the SAX event handler DefaultHandler handler = new Echo02(); // Use the default (non-validating) parser SAXParserFactory factory = SAXParserFactory.newInstance(); try { // Set up output stream out = new OutputStreamWriter(System.out, "UTF8"); // Parse the input SAXParser saxParser = factory.newSAXParser(); saxParser.parse( new File(argv[0]), handler); } catch (Throwable t) { t.printStackTrace(); } System.exit(0); } static private Writer out; //=========================================================== // SAX DocumentHandler methods //=========================================================== public void startDocument() throws SAXException { nl(); nl(); emit("START DOCUMENT"); nl(); emit("<?xml version='1.0' encoding='UTF-8'?>"); } public void endDocument() throws SAXException { nl(); emit("END DOCUMENT"); try { nl(); out.flush(); } catch (IOException e) { throw new SAXException("I/O error", e); } } public void startElement(String namespaceURI, String lName, // local name String qName, // qualified name Attributes attrs) throws SAXException { nl(); emit("ELEMENT: "); String eName = lName; // element name if ("".equals(eName)) eName = qName; // namespaceAware = false emit("<"+eName); if (attrs != null) { for (int i = 0; i < attrs.getLength(); i++) { String aName = attrs.getLocalName(i); // Attr name if ("".equals(aName)) aName = attrs.getQName(i); nl(); emit(" ATTR: "); emit(aName); emit("\t\""); emit(attrs.getValue(i)); emit("\""); } } if (attrs.getLength() > 0) nl(); emit(">"); } public void endElement(String namespaceURI, String sName, // simple name String qName // qualified name ) throws SAXException { nl(); emit("END_ELM: "); emit("</"+sName+">"); } public void characters(char buf[], int offset, int len) throws SAXException { nl(); emit("CHARS: |"); String s = new String(buf, offset, len); emit(s); emit("|"); } //=========================================================== // Utility Methods ... //=========================================================== // Wrap I/O exceptions in SAX exceptions, to // suit handler signature requirements private void emit(String s) throws SAXException { try { out.write(s); out.flush(); } catch (IOException e) { throw new SAXException("I/O error", e); } } // Start a new line private void nl() throws SAXException { String lineEnd = System.getProperty("line.separator"); try { out.write(lineEnd); } catch (IOException e) { throw new SAXException("I/O error", e); } } }
so complex code is not necessary to solve your problem. you should use HTML dom instead of complex xml parse. lean javax.swing.text.htmln package.
/*
* @(#)Echo02.java 1.5 99/02/09
*
* Copyright (c) 1998 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/import java.io.*;import org.xml.sax.*;
import org.xml.sax.helpers.DefaultHandler;import javax.xml.parsers.SAXParserFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;public class Echo02 extends DefaultHandler
{
public static void main(String argv[])
{
if (argv.length != 1) {
System.err.println("Usage: cmd filename");
System.exit(1);
}
// Use an instance of ourselves as the SAX event handler
DefaultHandler handler = new Echo02();
// Use the default (non-validating) parser
SAXParserFactory factory = SAXParserFactory.newInstance();
try {
// Set up output stream
out = new OutputStreamWriter(System.out, "UTF8"); // Parse the input
SAXParser saxParser = factory.newSAXParser();
saxParser.parse( new File(argv[0]), handler); } catch (Throwable t) {
t.printStackTrace();
}
System.exit(0);
} static private Writer out; //===========================================================
// SAX DocumentHandler methods
//=========================================================== public void startDocument()
throws SAXException
{
nl();
nl();
emit("START DOCUMENT");
nl();
emit("<?xml version='1.0' encoding='UTF-8'?>");
} public void endDocument()
throws SAXException
{
nl(); emit("END DOCUMENT");
try {
nl();
out.flush();
} catch (IOException e) {
throw new SAXException("I/O error", e);
}
} public void startElement(String namespaceURI,
String lName, // local name
String qName, // qualified name
Attributes attrs)
throws SAXException
{
nl(); emit("ELEMENT: ");
String eName = lName; // element name
if ("".equals(eName)) eName = qName; // namespaceAware = false
emit("<"+eName);
if (attrs != null) {
for (int i = 0; i < attrs.getLength(); i++) {
String aName = attrs.getLocalName(i); // Attr name
if ("".equals(aName)) aName = attrs.getQName(i);
nl();
emit(" ATTR: ");
emit(aName);
emit("\t\"");
emit(attrs.getValue(i));
emit("\"");
}
}
if (attrs.getLength() > 0) nl();
emit(">");
} public void endElement(String namespaceURI,
String sName, // simple name
String qName // qualified name
)
throws SAXException
{
nl();
emit("END_ELM: ");
emit("</"+sName+">");
} public void characters(char buf[], int offset, int len)
throws SAXException
{
nl(); emit("CHARS: |");
String s = new String(buf, offset, len);
emit(s);
emit("|");
} //===========================================================
// Utility Methods ...
//=========================================================== // Wrap I/O exceptions in SAX exceptions, to
// suit handler signature requirements
private void emit(String s)
throws SAXException
{
try {
out.write(s);
out.flush();
} catch (IOException e) {
throw new SAXException("I/O error", e);
}
} // Start a new line
private void nl()
throws SAXException
{
String lineEnd = System.getProperty("line.separator");
try {
out.write(lineEnd);
} catch (IOException e) {
throw new SAXException("I/O error", e);
}
}
}