Find Container With Attribute Value Or Create And Set
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/*******************************************************************************
* Copyright (C) 2007 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
******************************************************************************/
/**
* Various XML utilities.
*
* @author simonjsmith, ksim
* @version 1.1 - ksim - March 6th, 2007 - Added functions regarding streaming
* @version 1.2 - ksim - March 10th, 2007 - Added functions regarding DOM
* manipulation
*/
public class Utils {
public static Element findContainerWithAttributeValueElseCreateAndSet(
Document document, Element parent, String element, String value,
String attributeName, String attributeValue) {
Element e = findContainerWithAttributeValueElseCreate(document, parent,
element, attributeName, attributeValue);
e.appendChild(document.createTextNode(value));
return e;
}
public static Element findContainerWithAttributeValueElseCreate(
Document document, Element parent, String element,
String attributeName, String attributeValue) {
NodeList nl = parent.getElementsByTagName(element);
Element e;
for (int i = 0; i < nl.getLength(); i++) {
e = (Element) nl.item(i);
if (e.getAttribute(attributeName).equals(attributeValue)) {
return e;
}
}
e = document.createElement(element);
parent.appendChild(e);
e.setAttribute(attributeName, attributeValue);
return e;
}
}
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