Helper function for quickly retrieving an boolean value of a given XML element. - Android XML

Android examples for XML:XML Element

  1. HOME
  2. Android
  3. XML
  4. XML Element

Description

Helper function for quickly retrieving an boolean value of a given XML element.

Demo Code

/*// w w  w . ja  va 2 s .c om
 * Copyright (c) 2007-2011, Arshan Dabirsiaghi, Jason Li
 * 
 * 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 OWASP 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 THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
//package com.java2s;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Helper function for quickly retrieving an boolean value of a given
     * XML element.
     * @param ele The document element from which to pull the boolean value.
     * @param tagName The name of the node.
     * @return The boolean value of the given node in the element passed in.
     */
    public static boolean getBooleanValue(Element ele, String tagName) {

        boolean boolVal = false;
        NodeList nl = ele.getElementsByTagName(tagName);

        if (nl != null && nl.getLength() > 0) {
            Element el = (Element) nl.item(0);
            boolVal = el.getFirstChild().getNodeValue().equals("true");
        }

        return boolVal;
    }

    /**
     * Helper function for quickly retrieving an boolean value of a given
     * XML element, with a default initialization value passed in a parameter.
     * @param ele The document element from which to pull the boolean value.
     * @param tagName The name of the node.
     * @param defaultValue The default value of the node if it's value can't be processed.
     * @return The boolean value of the given node in the element passed in.
     */
    public static boolean getBooleanValue(Element ele, String tagName,
            boolean defaultValue) {

        boolean boolVal = defaultValue;
        NodeList nl = ele.getElementsByTagName(tagName);

        if (nl != null && nl.getLength() > 0) {

            Element el = (Element) nl.item(0);

            if (el.getFirstChild().getNodeValue() != null) {

                boolVal = "true".equals(el.getFirstChild().getNodeValue());

            } else {

                boolVal = defaultValue;

            }
        }

        return boolVal;
    }
}

Related Tutorials