protocol.java

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

/*
 *   
 *
 * Copyright  1990-2007 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.midp.io.j2me.serversocket;

import com.sun.j2me.security.AccessController;

public class Protocol extends com.sun.cdc.io.j2me.serversocket.Protocol {

    private static final String SERVER_PERMISSION_NAME =
        "javax.microedition.io.Connector.serversocket";

    /**
     * Check to see if the application has permission to use
     * the given resource.
     *
     * @param port the port number to use.
     *
     * @exception SecurityException if the MIDP permission
     *            check fails.
     */
    protected void checkPermission(int port) throws SecurityException {
	if (port < 0) {
	    throw new IllegalArgumentException("bad port: " + port);
	}
        AccessController.checkPermission(SERVER_PERMISSION_NAME,
                                         "TCP Server" + port);
        return;
    }

    /*
     * For MIDP version of the protocol handler, only a single
     * check on open is required.
     */
    protected void outputStreamPermissionCheck() {
        return;
    }

    /*
     * For MIDP version of the protocol handler, only a single
     * check on open is required.
     */
    protected void inputStreamPermissionCheck() {
        return;
    }

}