[jdom-interest] TestXMLOutputter
Alex Chaffee
guru at edamame.stinky.com
Wed Oct 4 12:48:45 PDT 2000
Put this in samples/ please as TestXMLOutputter.java.
It reads an XML file and then outputs it according to the command-line
parameters. Use it to figure out what combination of options gives
your desired output.
Example:
$ java TestXMLOutputter -trimText -omitEncoding namespaces.xml
<?xml version="1.0"?><xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"><xsl:template match="JavaXML:Book"><head><title><xsl:value-of select="JavaXML:Title" /></title></head><body><xsl:apply-templates select="*[not(self::JavaXML:Title)]" /></body></xsl:template></xsl:stylesheet>
Pretty cool huh? :-)
- Alex
--
Alex Chaffee mailto:alex at jguru.com
jGuru - Java News and FAQs http://www.jguru.com/alex/
Creator of Gamelan http://www.gamelan.com/
Founder of Purple Technology http://www.purpletech.com/
Curator of Stinky Art Collective http://www.stinky.com/
/*--
Copyright (C) 2000 Brett McLaughlin & Jason Hunter.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions, and the disclaimer that follows
these conditions in the documentation and/or other materials
provided with the distribution.
3. The name "JDOM" must not be used to endorse or promote products
derived from this software without prior written permission. For
written permission, please contact license at jdom.org.
4. Products derived from this software may not be called "JDOM", nor
may "JDOM" appear in their name, without prior written permission
from the JDOM Project Management (pm at jdom.org).
In addition, we request (but do not require) that you include in the
end-user documentation provided with the redistribution and/or in the
software itself an acknowledgement equivalent to the following:
"This product includes software developed by the
JDOM Project (http://www.jdom.org/)."
Alternatively, the acknowledgment may be graphical using the logos
available at http://www.jdom.org/images/logos.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
This software consists of voluntary contributions made by many
individuals on behalf of the JDOM Project and was originally
created by Brett McLaughlin <brett at jdom.org> and
Jason Hunter <jhunter at jdom.org>. For more information on the
JDOM Project, please see <http://www.jdom.org/>.
*/
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.util.*;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.jdom.output.XMLOutputter;
/**
* <p><code>TestXMLOutputter</code> demonstrates how to use the {@link
* org.jdom.output.XMLOutputter}. It reads an XML file and then
* outputs it according to the command-line parameters. Use it to
* figure out what combination of options gives your desired output.
* </p>
*
* @author Alex Chaffee (alex at jguru.com)
* @version 1.0
**/
public class TestXMLOutputter {
/** Default SAX Driver class to use */
private static final String DEFAULT_SAX_DRIVER_CLASS =
"org.apache.xerces.parsers.SAXParser";
/** SAX Driver Class to use */
private String saxDriverClass;
/** <code>{@link SAXBuilder}</code> instance to use */
private SAXBuilder builder;
XMLOutputter outputter;
boolean testElements;
/**
* <p>
* This will create an instance of <code>{@link SAXBuilder}</code>
* for use in the rest of this program.
* </p>
*
* @param saxDriverClass <code>String</code> name of driver class to use.
*/
public TestXMLOutputter(String saxDriverClass) {
this.saxDriverClass = saxDriverClass;
builder = new SAXBuilder(saxDriverClass);
// Create an outputter with default formatting
outputter = new XMLOutputter();
}
/**
* <p>
* This will parse the specified filename using SAX and the
* SAX driver class specified in the constructor.
* </p>
*
* @param filename <code>String</code> name of file to parse.
* @param out <code>OutputStream</code> to output to.
*/
public void testBuilder(String filename, OutputStream out)
throws IOException, JDOMException {
// Build the JDOM Document
Document doc = builder.build(new File(filename));
// Output the document
if (!testElements) {
outputter.output(doc, out);
}
else {
printElements(doc.getRootElement(), out);
}
}
protected void printElements(Element e, OutputStream out) throws IOException, JDOMException {
out.write(("\n===== " + e.getName() + ": \n").getBytes());
out.flush();
outputter.output(e, out);
out.flush();
for (Iterator i=e.getChildren().iterator(); i.hasNext(); ) {
Element child = (Element)i.next();
printElements(child, out);
}
out.flush();
}
/**
* <p>
* This provides a static entry point for creating a JDOM
* <code>{@link Document}</code> object using a SAX 2.0
* parser (an <code>XMLReader</code> implementation).
* </p>
*
* @param args <code>String[]</code>
* <ul>
* <li>First argument: filename of XML document to parse</li>
* <li>Second argument: optional name of SAX Driver class</li>
* </ul>
*/
public static void main(String[] args) {
String saxDriverClass = DEFAULT_SAX_DRIVER_CLASS;
boolean testElements = false;
XMLOutputter outputter = new XMLOutputter();
int i = 0;
do {
i = outputter.parseArgs(args, i);
if (i==args.length) break;
if (args[i].equals("-driver")) {
saxDriverClass = args[++i];
}
if (args[i].equals("-testElements")) {
testElements = true;
}
else if (args[i].equals("-h")) {
i=args.length;
break;
}
else if (!args[i].startsWith("-")) // we're at the file list
break;
++i;
} while (i<args.length);
if (i>=args.length) {
System.out.println
("Usage: java TestXMLOutputter " +
"[-driver SAX Driver Class] [-testElements]\n" +
"\t[-suppressDeclaration] [-omitEncoding]\n" +
"\t[-indent x] [-indentSize x] [-indentLevel x]\n" +
"\t[-expandEmpty] [-encoding x] [-newlines] [-lineSeparator x]\n" +
"\t[-trimText]\n" +
"\t(XML document filename)...\n"
);
return;
}
// Create an instance of the tester and test
TestXMLOutputter demo = new TestXMLOutputter(saxDriverClass);
demo.outputter = outputter;
demo.testElements = testElements;
for (; i<args.length; ++i) {
// Load filename
String filename = args[i];
try {
demo.testBuilder(filename, System.out);
} catch (JDOMException e) {
if (e.getRootCause() != null) {
e.getRootCause().printStackTrace();
} else {
e.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
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