01: /*
02: * Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
04: *
05: * This program is free software; you can redistribute it and/or
06: * modify it under the terms of the GNU General Public License version
07: * 2 only, as published by the Free Software Foundation.
08: *
09: * This program is distributed in the hope that it will be useful, but
10: * WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * General Public License version 2 for more details (a copy is
13: * included at /legal/license.txt).
14: *
15: * You should have received a copy of the GNU General Public License
16: * version 2 along with this work; if not, write to the Free Software
17: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18: * 02110-1301 USA
19: *
20: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
21: * Clara, CA 95054 or visit www.sun.com if you need additional
22: * information or have any questions.
23: */
24:
25: package com.sun.midp.main;
26:
27: import javax.microedition.midlet.*;
28:
29: import com.sun.midp.midlet.*;
30:
31: import com.sun.midp.security.SecurityToken;
32:
33: /**
34: * The class implements the MIDlet loader for the CLDC VM.
35: */
36: class CldcMIDletLoader implements MIDletLoader {
37: /** This class has a different security domain than the application. */
38: private SecurityToken classSecurityToken;
39:
40: /**
41: * Initializes this object.
42: *
43: * @param token security token for this class.
44: */
45: CldcMIDletLoader(SecurityToken token) {
46: classSecurityToken = token;
47: }
48:
49: /**
50: * Loads a MIDlet from a suite's JAR.
51: *
52: * @param suite reference to the suite
53: * @param className class name of the MIDlet to be created
54: *
55: * @return new instance of a MIDlet
56: *
57: * @exception ClassNotFoundException if the MIDlet class is
58: * not found
59: * @exception InstantiationException if the MIDlet cannot be
60: * created or is not subclass of MIDlet
61: * @exception IllegalAccessException if the MIDlet is not
62: * permitted to perform a specific operation
63: */
64: public MIDlet newInstance(MIDletSuite suite, String className)
65: throws ClassNotFoundException, InstantiationException,
66: IllegalAccessException {
67: Class midletClass;
68:
69: midletClass = Class.forName(className);
70: if (!MIDlet.class.isAssignableFrom(midletClass)) {
71: throw new InstantiationException("Class not a MIDlet");
72: }
73:
74: return (MIDlet) midletClass.newInstance();
75: }
76: }
|