Utils.java Source code

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Here is the source code for Utils.java

Source

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;
    }

}