Java XML Attribute Get getBooleanAttribute(Element e, String name)

Description

Helper to get an attribute if it exists or return null.

License

Apache License

Parameter

Parameter	Description
name	The name of the attribute

Return

The value or null if it does not exist

Declaration

public static boolean getBooleanAttribute(Element e, String name) 

Method Source Code

//package com.java2s;
/*/*from w ww  . j  ava 2  s  . co  m*/
 * Copyright 2009 Thomas Spencer
 * 
 * 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.
 */

import org.w3c.dom.Element;

public class Main {
    /**
     * Helper to get an attribute if it exists or return null.
     * (Normal getAttribute returns an empty string if the
     * attr does not exist).
     * 
     * @param name The name of the attribute
     * @return The value or null if it does not exist
     */
    public static boolean getBooleanAttribute(Element e, String name) {
        String val = getAttribute(e, name);
        return Boolean.parseBoolean(val);
    }

    /**
     * Helper to get an attribute if it exists or return null.
     * (Normal getAttribute returns an empty string if the
     * attr does not exist).
     * 
     * @param name The name of the attribute
     * @return The value or null if it does not exist
     */
    public static String getAttribute(Element e, String name) {
        if (e.hasAttribute(name))
            return e.getAttribute(name);
        return null;
    }
}

Related

1. getBoolAttribute(Node node, String name)
2. getBoolAttribute(Node node, String name, boolean defVal)
3. getBoolean(Element element, String attribute, boolean defaultValue)
4. getBooleanAttr(Element element, String name)
5. getBooleanAttrib(Element element, String attribName, String namespaceURI)
6. getBooleanAttribute(Element el, String name)
7. getBooleanAttribute(Element elem, String attName, boolean mandatory)
8. getBooleanAttribute(Element elem, String attName, boolean mandatory, boolean defaultValue)
9. getBooleanAttribute(Element element, String attributeName)