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/*
 * $Id$
 *
 * 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.struts.util;

import java.io.Serializable;

/**
 * A simple JavaBean to encapsulate the request parameters sent for an HTML
 * input element of type image. Such an element causes two parameters to be
 * sent, one each for the X and Y coordinates of the button press. An instance
 * of this bean within an ActionForm can be used to capture these
 * and provide a simple means of detecting whether or not the corresponding
 * image was selected.
 *
 * @version $Rev$ $Date: 2005-05-07 12:11:38 -0400 (Sat, 07 May 2005)
 *          $
 */
public class ImageButtonBean implements Serializable {
    private static final long serialVersionUID = -2728467216883854129L;

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

    /**
     * The X coordinate of the button press.
     */
    private String x;

    /**
     * The Y coordinate of the button press.
     */
    private String y;

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

    /**
     * Construct an instance with empty property values.
     */
    public ImageButtonBean() {
        ; // do nothing
    }

    /**
     * Construct an instance with the supplied property values.
     *
     * @param x The X coordinate of the button press.
     * @param y The Y coordinate of the button press.
     */
    public ImageButtonBean(String x, String y) {
        this.x = x;
        this.y = y;
    }

    public String getX() {
        return (this.x);
    }

    public void setX(String x) {
        this.x = x;
    }

    public String getY() {
        return (this.y);
    }

    public void setY(String y) {
        this.y = y;
    }

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

    /**
     * A convenience method to determine whether or not the corresponding
     * image element was selected.
     */
    public boolean isSelected() {
        return ((x != null) || (y != null));
    }

    /**
     * Return a string representation of this object.
     */
    public String toString() {
        StringBuilder sb = new StringBuilder("ImageButtonBean[");

        sb.append(this.x);
        sb.append(", ");
        sb.append(this.y);
        sb.append("]");

        return (sb.toString());
    }
}