RetroZilla/extensions/java/xpcom/tests/TestJavaProxy.java

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Java XPCOM Bindings.
 *
 * The Initial Developer of the Original Code is
 * IBM Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2004
 * IBM Corporation. All Rights Reserved.
 *
 * Contributor(s):
 *   Javier Pedemonte (jhpedemonte@gmail.com)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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import org.mozilla.xpcom.*;
import java.io.File;


/**
 * Tests that if calls to XPCOM functions return the same object, then
 * the JavaXPCOM interface creates the proper Java proxies.
 * <p>
 * The XPCOM call to <code>nsISupports supp = entries.getNext()</code> returns
 * an object, for which we create an <code>nsISupports</code> Java proxy.  Then,
 * the XPCOM call to <code>supp.queryInterface(nsIFile.NS_IFILE_IID)</code>
 * will return the same object (same address).  JavaXPCOM needs to be smart
 * enough to create a new <code>nsIFile</code> proxy, rather than reusing the
 * <code>nsISupports</code> one that was previously created.
 * </p>
 */
public class TestJavaProxy {
	public static void main(String [] args) throws Exception {
		System.loadLibrary("javaxpcom");

		String mozillaPath = System.getProperty("MOZILLA_FIVE_HOME");
		if (mozillaPath == null) {
			throw new RuntimeException("MOZILLA_FIVE_HOME system property not set.");
		}

		File localFile = new File(mozillaPath);
		XPCOM.initXPCOM(localFile, null);

		nsILocalFile directory = XPCOM.newLocalFile("/usr", false);
		nsISimpleEnumerator entries = (nsISimpleEnumerator) directory.getDirectoryEntries();
		while (entries.hasMoreElements()) {
			nsISupports supp = entries.getNext();
			nsIFile file = (nsIFile) supp.queryInterface(nsIFile.NS_IFILE_IID);
			System.out.println(file.getPath());
		}

    // cleanup
    directory = null;
    entries = null;

		XPCOM.shutdownXPCOM(null);
	}
}