com.meterware.servletunit.XMLUtils Maven / Gradle / Ivy
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package com.meterware.servletunit;
/********************************************************************************************************************
* $Id: XMLUtils.java 604 2004-02-26 17:36:47Z russgold $
*
* Copyright (c) 2004, Russell Gold
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
* to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
* THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*******************************************************************************************************************/
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.w3c.dom.Node;
import org.xml.sax.SAXException;
import java.util.ArrayList;
/**
*
* @author Russell Gold
**/
abstract class XMLUtils {
static String getChildNodeValue( Element root, String childNodeName ) throws SAXException {
return getChildNodeValue( root, childNodeName, null );
}
static String getChildNodeValue( Element root, String childNodeName, String defaultValue ) throws SAXException {
NodeList nl = root.getElementsByTagName( childNodeName );
if (nl.getLength() == 1) {
return getTextValue( nl.item( 0 ) ).trim();
} else if (defaultValue == null) {
throw new SAXException( "Node <" + root.getNodeName() + "> has no child named <" + childNodeName + ">" );
} else {
return defaultValue;
}
}
static String getTextValue( Node node ) throws SAXException {
Node textNode = node.getFirstChild();
if (textNode == null) return "";
if (textNode.getNodeType() != Node.TEXT_NODE) throw new SAXException( "No text value found for <" + node.getNodeName() + "> node" );
return textNode.getNodeValue();
}
static boolean hasChildNode( Element root, String childNodeName ) {
NodeList nl = root.getElementsByTagName( childNodeName );
return (nl.getLength() > 0);
}
}
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