layertagbuilder.java

一款即时通讯软件

/*
 *   License
 *
 * The contents of this file are subject to the Jabber Open Source License
 * Version 1.0 (the "License").  You may not copy or use this file, in either
 * source code or executable form, except in compliance with the License.  You
 * may obtain a copy of the License at http://www.jabber.com/license/ or at
 * http://www.opensource.org/.  
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 *   Copyrights
 *
 * Portions created by or assigned to Jabber.com, Inc. are 
 * Copyright (c) 2000 Jabber.com, Inc.  All Rights Reserved.  Contact
 * information for Jabber.com, Inc. is available at http://www.jabber.com/.
 *
 * Portions Copyright (c) 1999-2000 David Waite 
 *
 *   Acknowledgements
 * 
 * Special thanks to the Jabber Open Source Contributors for their
 * suggestions and support of Jabber.
 * 
 *   Changes
 *
 * @author  David Waite <a href="mailto:[e-mail]">
 *                      <i>&lt;[e-mail]&gt;</i></a>
 * @author  $Author: chris $
 * @version $Revision: 1.1 $
 *
 * j.komzak
 * Changed into LayerTagBuilder
 */

package edu.ou.kmi.buddyspace.plugins.maps.xml;

/*
 * LayerTagBuilder.java
 *
 * Project: BuddySpace
 * (C) Copyright Knowledge Media Institute 2002
 *
 *
 * Created on 16 August 2002, 10:20
 */

import java.util.Vector;
import org.jabber.jabberbeans.Extension.*;

/**
 * <code>LayerTagBuilder</code> is used to construct LayerTag objects
 *
 * @author  Jiri Komzak, Knowledge Media Institute, Open University, United Kingdom
 */
public class LayerTagBuilder
    implements ExtensionBuilder
{
    /** Vector of ItemTag and ClusterTag objects contained. */
    private Vector itemList;
    
    private ImgTag img = null;
    
    private String id = null;
    private String offsetX = null;
    private String offsetY = null;
    private String scale = null;
    private String priority = null;
    
    private String src = null;

    /** Creates a new <code>LayerTagBuilder</code> instance. */
    public LayerTagBuilder()
    { reset(); }
    
    /**
     * <code>reset</code> the builder to a default state, so it can be reused.
     */
    public void reset() { 
        itemList = new Vector();
        id = null;
        offsetX = null;
        offsetY = null;
        scale = null;
        priority = null;
        src = null;
    }
    
    public void setImg(ImgTag newImg) {
        img = newImg;
    }
    
    public ImgTag getImg() {
        return img;
    }
    
    public void setID(String newID) {
        id = newID;
    }
    
    public String getID() {
        return id;
    }
    
    public void setOffsetX(String newOffsetX) {
        offsetX = newOffsetX;
    }
    
    public String getOffsetX() {
        return offsetX;
    }
    
    public void setOffsetY(String newOffsetY) {
        offsetY = newOffsetY;
    }
    
    public String getOffsetY() {
        return offsetY;
    }
    
    public void setScale(String newScale) {
        scale = newScale;
    }
    
    public String getScale() {
        return scale;
    }
    
    public void setPriority(String newPriority) {
        priority = newPriority;
    }
    
    public String getPriority() {
        return priority;
    }
    
    public void setSrc(String newSrc) {
        src = newSrc;
    }
    
    public String getSrc() {
        return src;
    }

    /**
     * <code>addItem</code> adds a new item object to the end of this
     * list.
     *
     * @param item an <code>Agent</code> value
     */
    public void addItem(ItemTag item)
    {
        if (!itemList.contains(item))
            itemList.addElement(item);
    }

    /**
     * <code>delItem</code> removes an item from this list, if it is present
     *
     * @param item an <code>ItemTag</code> value
     */
    public void delItem(ItemTag item)
    {
        if (itemList.contains(item))
            itemList.removeElement(item);
    }

    /**
     * <code>addCluster</code> adds a new cluster object to the end of this
     * list.
     *
     * @param cluster an <code>ClusterTag</code> value
     */
    public void addCluster(ClusterTag cluster)
    {
        if (!itemList.contains(cluster))
            itemList.addElement(cluster);
    }

    /**
     * <code>delCluster</code> removes an cluster from this list, if it is present
     *
     * @param cluster an <code>ClusterTag</code> value
     */
    public void delCluster(ClusterTag cluster)
    {
        if (itemList.contains(cluster))
            itemList.removeElement(cluster);
    }

    /**
     * <code>getItemsAndClusters</code> returns the vector representing the
     * item and cluster objects associated with this object.
     *
     * @return a <code>Vector</code> value
     */
    public Vector getItemsAndClusters()
    { return itemList; }

    /**
     * <code>build</code> a new LayerTag object
     *
     * @return an <code>Extension</code> value
     * @exception InstantiationException if insufficient or incorrect data
     * was proviced.
     */
    public Extension build()
        throws InstantiationException
    { return new LayerTag(this); }
}