Show XPathValueOf.java syntax highlighted
/*
* Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
*
* This software is open source.
* See the bottom of this file for the licence.
*
* $Id: XPathValueOf.java,v 1.1 2006/12/31 13:09:49 hanjun Exp $
*/
package org.dom4j.samples;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.XPath;
/**
* A utility program which performs XPath expressions on one or more XML files
* and outputs the valueOf the XPath expression. It is similar to the
* <code>grep</code> command on Unix but uses XPath valueOf for matching
*
* @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
* @version $Revision: 1.1 $
*/
public class XPathValueOf extends SAXDemo {
protected XPath xpath;
public static void main(String[] args) {
run(new XPathValueOf(), args);
}
public XPathValueOf() {
}
public void run(String[] args) throws Exception {
if (args.length < 2) {
printUsage("{options} <XPath expression> <xml file(s)>");
return;
}
for (int i = 0, size = args.length; i < size; i++) {
String arg = args[i];
if (arg.startsWith("-")) {
readOptions(arg);
} else {
if (xpath == null) {
setXPath(arg);
} else {
Document document = parse(arg);
process(document);
}
}
}
}
public void setXPath(String xpathExpression) {
xpath = DocumentHelper.createXPath(xpathExpression);
}
protected void process(Document document) throws Exception {
String value = xpath.valueOf(document);
println(value);
}
protected void readOptions(String arg) {
}
}
/*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and
* notices. Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name "DOM4J" must not be used to endorse or promote products derived
* from this Software without prior written permission of MetaStuff, Ltd. For
* written permission, please contact dom4j-info@metastuff.com.
*
* 4. Products derived from this Software may not be called "DOM4J" nor may
* "DOM4J" appear in their names without prior written permission of MetaStuff,
* Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
*
* 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
*
* THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``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 METASTUFF, LTD. 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.
*
* Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
*
* $Id: XPathValueOf.java,v 1.1 2006/12/31 13:09:49 hanjun Exp $
*/
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