retrieving an boolean value of a given XML element, with a default initialization value passed in a parameter. - CSharp System.Xml

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Description

retrieving an boolean value of a given XML element, with a default initialization value passed in a parameter.

Demo Code

/*/*from w ww.ja va2 s. c om*/
* Copyright (c) 2008, Jerry Hoff
* 
* All rights reserved.
* 
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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* 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.
*/
using System.Xml;
using System;

public class Main{
        /// <summary> Helper function for quickly retrieving an boolean value of a given
        /// XML element, with a default initialization value passed in a parameter.
        /// </summary>
        /// <param name="ele">The document element from which to pull the boolean value.
        /// </param>
        /// <param name="tagName">The name of the node.
        /// </param>
        /// <param name="defaultValue">The default value of the node if it's value can't be processed.
        /// </param>
        /// <returns> The boolean value of the given node in the element passed in.
        /// </returns>
        public static bool getBooleanValue(XmlElement ele, string tagName, bool defaultValue)
        {
            bool boolVal = defaultValue;
            XmlNodeList nl = ele.GetElementsByTagName(tagName);

            if (nl != null && nl.Count > 0)
            {
                XmlElement el = (XmlElement)nl.Item(0);
                if (el.FirstChild.Value != null)
                {
                    boolVal = "true".Equals(el.FirstChild.Value);
                }
                else
                {
                    boolVal = defaultValue;
                }
            }
            return boolVal;
        }
        /// <summary> Helper function for quickly retrieving an boolean value of a given
        /// XML element.
        /// </summary>
        /// <param name="ele">The document element from which to pull the boolean value.
        /// </param>
        /// <param name="tagName">The name of the node.
        /// </param>
        /// <returns> The boolean value of the given node in the element passed in.
        /// </returns>
        public static bool getBooleanValue(XmlElement ele, string tagName)
        {

            bool boolVal = false;
            XmlNodeList nl = ele.GetElementsByTagName(tagName);

            if (nl != null && nl.Count > 0)
            {
                XmlElement el = (XmlElement)nl.Item(0);
                boolVal = el.FirstChild.Value.Equals("true");
            }

            return boolVal;
        }
}

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