downloadmodulefactoryimpl.java

来自「This is a resource based on j2me embedde」· Java 代码 · 共 83 行

/*
 * Copyright  1990-2006 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation. 
 * 
 * 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 version 2 for more details (a copy is
 * included at /legal/license.txt). 
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA 
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions. 
 */

package com.sun.jumpimpl.module.download;

import com.sun.jump.module.download.JUMPDownloadModule;
import com.sun.jump.module.download.JUMPDownloadModuleFactory;
import java.util.Map;

public class DownloadModuleFactoryImpl extends JUMPDownloadModuleFactory {
 
   private JUMPDownloadModule midpDownloadModule;
   private JUMPDownloadModule otaDownloadModule;
   private Map initdata;
   
   public static boolean verbose =
        ("true").equalsIgnoreCase(System.getProperty("download.verbose"));

   public void load(Map map) {
       this.initdata = map;
   }
   public void unload() {
       synchronized(this) {  
           if (midpDownloadModule != null) { 
              midpDownloadModule.unload();
              midpDownloadModule = null;
           }
           if (otaDownloadModule != null) { 
              otaDownloadModule.unload();
              otaDownloadModule = null;
           }
       }
   }

   private synchronized JUMPDownloadModule getMidpOtaDownloadModule() {
       if (midpDownloadModule == null) {
           midpDownloadModule= new MIDPOTADownloadModule();
           midpDownloadModule.load(initdata); 
       }
       return midpDownloadModule;
   }

   private synchronized JUMPDownloadModule getOmaOtaDownloadModule() {
       if (otaDownloadModule == null) {
           otaDownloadModule= new OMAOTADownloadModule();
           otaDownloadModule.load(initdata); 
       }
       return otaDownloadModule;
   }


   public JUMPDownloadModule getModule(String storeType) {
        if (storeType.equals(JUMPDownloadModuleFactory.PROTOCOL_MIDP_OTA))
           return getMidpOtaDownloadModule();

        if (storeType.equals(JUMPDownloadModuleFactory.PROTOCOL_OMA_OTA))
           return getOmaOtaDownloadModule();

        return null;
   }
}