Java XML Attribute from Node getIntAttribute(Node node, String attr)

Description

get Int Attribute

License

Apache License

Return

An attribute coerced to an integer.

Declaration

public static int getIntAttribute(Node node, String attr) 

Method Source Code

//package com.java2s;
/*//ww w  .j  a va 2 s  .  co m
 * 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 {
    /**
     * @return An attribute coerced to an integer.
     */
    public static int getIntAttribute(Node node, String attr, int def) {
        String value = getAttribute(node, attr);
        if (value == null) {
            return def;
        }
        try {
            return Integer.parseInt(value);
        } catch (NumberFormatException e) {
            return def;
        }
    }

    /**
     * @return An attribute coerced to an integer.
     */
    public static int getIntAttribute(Node node, String attr) {
        return getIntAttribute(node, attr, 0);
    }

    /**
     * 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. getALLAttribute(final Node iNode)
2. getFloatAttribute(Node node, String name, float defVal)
3. getFloatAttribute(Node node, String name, float defVal)
4. getIntAttr(Node node, String attrName)
5. getIntAttribute(Node n, String s)
6. getIntAttribute(Node node, String attributeName, int defaultValue)
7. getIntAttribute(Node node, String name, int defVal)
8. getIntAttributeRequired(Node node, String attributeName)
9. getIntAttributeValue(Node node, String attribute)