Commons JXPath example source code file (QName.java)

This example Commons JXPath source code file (QName.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons JXPath tags/keywords

io, qname, qname, serializable, serializable, string, string

The Commons JXPath QName.java source code

/*
 * 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.
 */
package org.apache.commons.jxpath.ri;

import java.io.Serializable;


/**
 * A qualified name: a combination of an optional namespace prefix
 * and an local name.
 *
 * @author Dmitri Plotnikov
 * @version $Revision: 652925 $ $Date: 2008-05-02 17:05:41 -0500 (Fri, 02 May 2008) $
 */
public class QName implements Serializable {
    private static final long serialVersionUID = 7616199282015091496L;

    private String prefix;
    private String name;
    private String qualifiedName;

    /**
     * Create a new QName.
     * @param qualifiedName value
     */
    public QName(String qualifiedName) {
        this.qualifiedName = qualifiedName;
        int index = qualifiedName.indexOf(':');
        prefix = index < 0 ? null : qualifiedName.substring(0, index);
        name = index < 0 ? qualifiedName : qualifiedName.substring(index + 1);
    }

    /**
     * Create a new QName.
     * @param prefix ns
     * @param localName String
     */
    public QName(String prefix, String localName) {
        this.prefix = prefix;
        this.name = localName;
        this.qualifiedName = prefix == null ? localName : prefix + ':' + localName;
    }

    /**
     * Get the prefix of this QName.
     * @return String
     */
    public String getPrefix() {
        return prefix;
    }

    /**
     * Get the local name.
     * @return String
     */
    public String getName() {
        return name;
    }

    public String toString() {
        return qualifiedName;
    }

    public int hashCode() {
        return name.hashCode();
    }

    public boolean equals(Object object) {
        if (this == object) {
            return true;
        }
        if (!(object instanceof QName)) {
            return false;
        }
        return qualifiedName.equals(((QName) object).qualifiedName);
    }
}