ext.java

实现了SyncML无线同步协议

/**
 * Copyright (C) 2003-2004 Funambol
 *
 *  This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 */


package sync4j.framework.core;

import java.util.*;

/**
 * Corresponds to the &ltExt&gt element in the SyncML devinf DTD and specifies 
 * the non-standard, experimental extensions supported by the device.
 *
 * @author Stefano Fornari @ Funambol
 *
 * @version $Id: Ext.java,v 1.1 2004/04/13 09:37:30 luigia Exp $
 */
public final class Ext
implements java.io.Serializable {
    
    // ------------------------------------------------------------ Private data
    private String xNam;
    private ArrayList xVal = new ArrayList(); 

    // ------------------------------------------------------------ Constructors
    /** For serialization purposes */
    protected Ext() {}

    /**
     * Creates a new Ext object with the given name and value
     *
     *  @param xNam corresponds to the &ltXNam&gt element - NOT NULL
     *  @param xVal an array of parameters that corresponds to the &ltXVal&gt
     *                  element
     *
     */
    public Ext(final String xNam, final String[] xVal) {
        setXNam(xNam);
        setXVal(xVal);
    }

    // ---------------------------------------------------------- Public methods
    /**
     * Gets the name of the extension
     *
     * @return the name of the extension
     */
    public String getXNam() {
        return xNam;
    }
    
    /**
     * Sets the name of extension
     *
     * @param xNam the name of extension
     *
     */
    public void setXNam(String xNam) {
        if (xNam == null) {
            throw new IllegalArgumentException("XNam cannot be null");
        }        
        this.xNam = xNam;
    }

    /**
     * Gets an array of extension values, if exist
     *
     * @return an array of extension values, if exist
     */
    public ArrayList getXVal() {
        return xVal;
    }
    
    /**
     * Sets the array of extension value
     *
     * @param xVal the array of extension value
     *
     */
    public void setXVal(String[] xVal) {
        if (xVal == null) {
            throw new IllegalArgumentException("xVal cannot be null");
        }
        List c = Arrays.asList(xVal);
        this.xVal.addAll(c);
    }
}