com.mchange.v1.xmlprops.DomXmlPropsParser Maven / Gradle / Ivy
/*
* Distributed as part of mchange-commons-java 0.2.11
*
* Copyright (C) 2015 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of EITHER:
*
* 1) The GNU Lesser General Public License (LGPL), version 2.1, as
* published by the Free Software Foundation
*
* OR
*
* 2) The Eclipse Public License (EPL), version 1.0
*
* You may choose which license to accept if you wish to redistribute
* or modify this work. You may offer derivatives of this work
* under the license you have chosen, or you may provide the same
* choice of license which you have been offered here.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received copies of both LGPL v2.1 and EPL v1.0
* along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
* If not, the text of these licenses are currently available at
*
* LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php
*
*/
package com.mchange.v1.xmlprops;
import java.io.*;
import java.util.*;
import javax.xml.parsers.*;
import org.xml.sax.*;
import org.w3c.dom.*;
import com.mchange.v1.xml.ResourceEntityResolver;
import com.mchange.v1.xml.StdErrErrorHandler;
public class DomXmlPropsParser
{
final static String XMLPROPS_NAMESPACE_URI = "http://www.mchange.com/namespaces/xmlprops";
static DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
static
{
factory.setNamespaceAware(true);
factory.setValidating(true);
//factory.setValidating(false);
}
public Properties parseXmlProps(InputStream istr) throws XmlPropsException
{
return parseXmlProps( new InputSource(istr),
new ResourceEntityResolver(this.getClass()),
new StdErrErrorHandler());
}
private Properties parseXmlProps(InputSource isrc, EntityResolver eresolv, ErrorHandler grrr)
throws XmlPropsException
{
try
{
Properties props = new Properties();
DocumentBuilder dbuilder = factory.newDocumentBuilder();
dbuilder.setEntityResolver( eresolv );
dbuilder.setErrorHandler( grrr );
Document doc = dbuilder.parse( isrc );
Element docElem = doc.getDocumentElement();
//NodeList propertiesNL = docElem.getElementsByTagNameNS(XMLPROPS_NAMESPACE_URI, "property");
NodeList propertiesNL = docElem.getElementsByTagName("property");
for (int i = 0, len = propertiesNL.getLength(); i < len; ++i)
{
Element propElem = (Element) propertiesNL.item(i);
//String name = propElem.getAttributeNS(XMLPROPS_NAMESPACE_URI, "name");
String name = propElem.getAttribute("name");
StringBuffer valueBuf = new StringBuffer();
NodeList peNL = propElem.getChildNodes();
for (int j = 0, plen = peNL.getLength(); j < plen; ++j)
{
Node node = peNL.item(j);
if (node.getNodeType() == Node.TEXT_NODE)
valueBuf.append(node.getNodeValue());
}
// System.err.println("NAME: " + name);
// System.err.println("VALUE: " + valueBuf);
props.put(name, valueBuf.toString());
}
return props;
}
catch (Exception e)
{
e.printStackTrace();
throw new XmlPropsException(e);
}
}
public static void main(String[] argv)
{
try
{
InputStream is = new BufferedInputStream( new FileInputStream( argv[0] ) );
DomXmlPropsParser parser = new DomXmlPropsParser();
Properties props = parser.parseXmlProps( is );
for (Iterator ii = props.keySet().iterator(); ii.hasNext(); )
{
String key = (String) ii.next();
String value = props.getProperty(key);
System.err.println(key + '=' + value);
}
}
catch (Exception e)
{ e.printStackTrace(); }
}
}