namevaluepair.java

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/*
 * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/NameValuePair.java,v 1.17 2004/04/18 23:51:35 jsdever Exp $
 * $Revision: 480424 $
 * $Date: 2006-11-29 06:56:49 +0100 (Wed, 29 Nov 2006) $
 *
 * ====================================================================
 *
 *  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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

package org.apache.commons.httpclient;

import java.io.Serializable;

import org.apache.commons.httpclient.util.LangUtils;

/**
 * <p>A simple class encapsulating a name/value pair.</p>
 * 
 * @author <a href="mailto:[e-mail]">B.C. Holmes</a>
 * @author Sean C. Sullivan
 * @author <a href="mailto:[e-mail]">Mike Bowler</a>
 * 
 * @version $Revision: 480424 $ $Date: 2006-11-29 06:56:49 +0100 (Wed, 29 Nov 2006) $
 * 
 */
public class NameValuePair implements Serializable {

    // ----------------------------------------------------------- Constructors

    /**
     * Default constructor.
     * 
     */
    public NameValuePair() {
        this (null, null);
    }

    /**
     * Constructor.
     * @param name The name.
     * @param value The value.
     */
    public NameValuePair(String name, String value) {
        this.name = name;
        this.value = value;
    }

    // ----------------------------------------------------- Instance Variables

    /**
     * Name.
     */
    private String name = null;

    /**
     * Value.
     */
    private String value = null;

    // ------------------------------------------------------------- Properties

    /**
     * Set the name.
     *
     * @param name The new name
     * @see #getName()
     */
    public void setName(String name) {
        this.name = name;
    }


    /**
     * Return the name.
     *
     * @return String name The name
     * @see #setName(String)
     */
    public String getName() {
        return name;
    }


    /**
     * Set the value.
     *
     * @param value The new value.
     */
    public void setValue(String value) {
        this.value = value;
    }


    /**
     * Return the current value.
     *
     * @return String value The current value.
     */
    public String getValue() {
        return value;
    }

    // --------------------------------------------------------- Public Methods

    /**
     * Get a String representation of this pair.
     * @return A string representation.
     */
    public String toString() {
        return ("name=" + name + ", " + "value=" + value);
    }

    public boolean equals(final Object object) {
        if (object == null) return false;
        if (this == object) return true;
        if (object instanceof NameValuePair) {
            NameValuePair that = (NameValuePair) object;
            return LangUtils.equals(this.name, that.name)
                  && LangUtils.equals(this.value, that.value);
        } else {
            return false;
        }
    }

    public int hashCode() {
        int hash = LangUtils.HASH_SEED;
        hash = LangUtils.hashCode(hash, this.name);
        hash = LangUtils.hashCode(hash, this.value);
        return hash;
    }
}