Java XML Attribute Get getBoolAttribute(Node node, String attr)

Description

get Bool Attribute

License

Apache License

Parameter

Parameter	Description
node	a parameter
attr	a parameter

Return

True if the attribute exists and is not equal to "false" false otherwise.

Declaration

public static boolean getBoolAttribute(Node node, String attr) 

Method Source Code

//package com.java2s;
/*//from  w ww.  j  ava  2s  . c om
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.NamedNodeMap;
import org.w3c.dom.Node;

public class Main {
    /**
     * Retrieves an attribute as a boolean.
     *
     * @param node
     * @param attr
     * @param def
     * @return True if the attribute exists and is not equal to "false"
     *    false if equal to "false", and def if not present.
     */
    public static boolean getBoolAttribute(Node node, String attr,
            boolean def) {
        String value = getAttribute(node, attr);
        if (value == null) {
            return def;
        }
        return Boolean.parseBoolean(value);
    }

    /**
     * @param node
     * @param attr
     * @return True if the attribute exists and is not equal to "false"
     *    false otherwise.
     */
    public static boolean getBoolAttribute(Node node, String attr) {
        return getBoolAttribute(node, attr, false);
    }

    /**
     * Extracts an attribute from a node.
     *
     * @param node
     * @param attr
     * @param def
     * @return The value of the attribute, or def
     */
    public static String getAttribute(Node node, String attr, String def) {
        NamedNodeMap attrs = node.getAttributes();
        Node val = attrs.getNamedItem(attr);
        if (val != null) {
            return val.getNodeValue();
        }
        return def;
    }

    /**
     * @param node
     * @param attr
     * @return The value of the given attribute, or null if not present.
     */
    public static String getAttribute(Node node, String attr) {
        return getAttribute(node, attr, null);
    }
}

Related

1. getAttrValue(Node n, String name)
2. getAttrValuesByName(Element ele, String attributeName)
3. getBeanclassAttribute(Node node)
4. getBool(Element el, String attrName, boolean defaultValue)
5. getBoolAttribute(NamedNodeMap namedNodeMap, String name)
6. getBoolAttribute(Node node, String name)
7. getBoolAttribute(Node node, String name, boolean defVal)
8. getBoolean(Element element, String attribute, boolean defaultValue)
9. getBooleanAttr(Element element, String name)