Java XML Element Get from Parent getNamedElemValue(Element parent, String elementName)

Description

get Named Elem Value

License

BSD License

Declaration

public static String getNamedElemValue(Element parent, String elementName) 

Method Source Code

//package com.java2s;
/* Software License Agreement (BSD License)
 * /*from  w  ww  .j a va 2s. c om*/
 * Copyright (c) 2010-2011, Rustici Software, LLC
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Rustici Software, LLC BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import org.w3c.dom.Element;

import org.w3c.dom.NodeList;

public class Main {
    public static Object getNamedElemValue(Element parent, String elementName, Class basicType, Object defaultVal) {
        String val = getNamedElemValue(parent, elementName);
        if (val == null) {
            return defaultVal;
        }

        try {
            if (Boolean.class.equals(basicType)) {
                return Boolean.parseBoolean(val);
            } else if (Integer.class.equals(basicType)) {
                return Integer.parseInt(val);
            } else if (Float.class.equals(basicType)) {
                return Float.parseFloat(val);
            } else if (Double.class.equals(basicType)) {
                return Double.parseDouble(val);
            } else
                return val;
        } catch (Exception e) {
            return defaultVal;
        }
    }

    public static String getNamedElemValue(Element parent, String elementName) {
        String val = null;
        NodeList list = parent.getElementsByTagName(elementName);
        if (list.getLength() > 0) {
            val = ((Element) list.item(0)).getTextContent();
        }
        return val;
    }
}

Related

1. getElementStringValue(Document document, Element parent, String element)
2. getElementValueByTagName(Document doc, String parentName, String eleName)
3. getFirstElement(Node parent)
4. getFirstElement(Node parent)
5. getFirstNode(final Node parent, final String... path)
6. getNamedNodeList(Element parent, String containerTagName)
7. getNamespacePrefix(Node parentNode, String preferredPrefix, String nsUri)
8. getNameToFirstNode(Node parent, String node_name)
9. getNameToNodeList(Node parent, String node_name)