This is a resource based on j2me embedded,if you dont understand,you can connection with me .

源代码在线查看: jumpdownloadmodulefactory.java

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关键词: connection understand you embedded
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				/*				 * %W% %E%				 *				 * 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.jump.module.download;								import com.sun.jump.module.JUMPModuleFactory;								/**				 * JUMPDownloadModuleFactory is a factory for 				 * JUMPDownloadModule				 */				public abstract class JUMPDownloadModuleFactory extends JUMPModuleFactory {				    public static final String PROTOCOL_MIDP_OTA  = "ota/midp";				    public static final String PROTOCOL_OMA_OTA   = "ota/oma";				    				    private static JUMPDownloadModuleFactory INSTANCE = null;				    				    public static JUMPDownloadModuleFactory getInstance() {				        return INSTANCE;				    }				    				    /**				     * Creates a new instance of JUMPDownloadModuleFactory				     */				    protected JUMPDownloadModuleFactory() {				        synchronized (JUMPDownloadModuleFactory.class){				            if ( INSTANCE == null ) {				                INSTANCE = this;				            }				        }				    }				    				    /**				     * Returns a JUMPDownloadModule for the protocol specified.				     * 				     * @param protocol the download protocol. The supported values are				     *        				     *          {@link #PROTOCOL_MIDP_OTA}				     *          {@link #PROTOCOL_OMA_OTA}				     *        				     * @throws java.lang.IllegalArgumentException if the protocol is not 				     *         not supported by the factory.				     */				    public abstract JUMPDownloadModule getModule(String protocol);				}							

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