Utils.java Source code

Introduction

Here is the source code for Utils.java

Source

import org.w3c.dom.Document;
import org.w3c.dom.Element;
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 findElementAndSetElseCreateAndSet(Document document, Element parent, String child,
            boolean value) {
        return findElementAndSetElseCreateAndSet(document, parent, child, "" + value);
    }

    public static Element findElementAndSetElseCreateAndSet(Document document, Element parent, String child,
            float value) {
        return findElementAndSetElseCreateAndSet(document, parent, child, "" + value);
    }

    public static Element findElementAndSetElseCreateAndSet(Document document, Element parent, String element,
            Date date) {
        return findElementAndSetElseCreateAndSet(document, parent, element, getDateString(date));
    }

    public static Element findElementAndSetElseCreateAndSet(Document document, Element parent, String child,
            String value) {
        NodeList nl = parent.getElementsByTagName(child);
        if (nl.getLength() == 0) {
            parent.appendChild(document.createElement(child));
        }
        Element ret = (Element) parent.getElementsByTagName(child).item(0);
        if (ret.getFirstChild() != null) {
            ret.removeChild(ret.getFirstChild());
        }
        ret.appendChild(document.createTextNode(value));
        return ret;
    }
}