/*
* 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.main;
import javax.microedition.midlet.*;
import com.sun.midp.midlet.*;
import com.sun.midp.midletsuite.*;
import sun.misc.*;
import java.net.*;
/**
* The class implements the MIDlet loader for the CLDC VM.
*/
public class CdcMIDletLoader implements MIDletLoader {
/** Reference to the MIDlet suite storage object. */
private MIDletSuiteStorage midletSuiteStorage;
/**
* Initializes this object.
*
* @param mss the MIDlet suite storage
*
*/
public CdcMIDletLoader(MIDletSuiteStorage mss) {
midletSuiteStorage = mss;
}
/**
* Loads a MIDlet from a suite's JAR.
*
* @param suite reference to the suite
* @param className class name of the MIDlet to be created
*
* @return new instance of a MIDlet
*
* @exception ClassNotFoundException if the MIDlet class is
* not found
* @exception InstantiationException if the MIDlet cannot be
* created or is not subclass of MIDlet
* @exception IllegalAccessException if the MIDlet is not
* permitted to perform a specific operation
*/
public MIDlet newInstance(MIDletSuite suite, String className) throws
ClassNotFoundException, InstantiationException,
IllegalAccessException {
String[] jars;
Class midletClass;
if (suite.getID() == -1) {
/*
* This is the internal suite, that has no JAR
*
* This is a workaround for loading external midlets
* from command line. The ID can be -1.
*/
jars = MIDPLauncher.getMidletSuitePath();
} else {
jars = midletSuiteStorage.
getMidletSuiteClassPath(suite.getID());
}
/* Use MIDletClassLoader to load the main midlet class. */
MIDletClassLoader midletClassLoader =
MIDPConfig.newMIDletClassLoader(jars);
midletClass = midletClassLoader.loadClass(className);
if (!MIDlet.class.isAssignableFrom(midletClass)) {
throw new InstantiationException("Class not a MIDlet");
}
return (MIDlet)midletClass.newInstance();
}
}
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