Java XML Attribute Parse parseString(final Element parent, final String attrName)

Description

Return the string value of an attribute, or null if the attribute is missing

License

Apache License

Parameter

Parameter	Description
parent	The element
attrName	The attribute name

Return

The attribute string value

Declaration

public static String parseString(final Element parent, final String attrName) 

Method Source Code

//package com.java2s;
/*/* w w  w  .j  av  a 2 s.  c  o 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.Element;

public class Main {
    /**
     * Return the string value of an attribute, or null if the attribute is missing
     * 
     * @param parent
     *            The element
     * @param attrName
     *            The attribute name
     * @return The attribute string value
     */
    public static String parseString(final Element parent, final String attrName) {
        if (parent.hasAttribute(attrName)) {
            return parent.getAttribute(attrName);
        } else {
            return null;
        }
    }
}

Related

1. parseConfigAttr(NamedNodeMap attributes)
2. parseElementAttributes(Element element)
3. parseFloat(Node xmlAttribute, float invalidValue)
4. parseFloat(String attributeName, NamedNodeMap map)
5. parseProtoypes(Node module, Node iFace, PrintWriter out, boolean onlyAttributes)
6. parseString(String xmlAttributeValue, String invalidValue)