pjs/js/jsdj/classes/com/netscape/nativejsengine/JSRuntime.java

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2.1 KiB
Java

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
package com.netscape.nativejsengine;
public class JSRuntime
{
public static final String NATIVE_LIBRARY_NAME = "nativejsengine";
public static final String NATIVE_JSD_LIBRARY_NAME = "jsd";
public static final boolean ENABLE_DEBUGGING = true;
public static final boolean NO_DEBUGGING = false;
private JSRuntime() {
// empty
}
public static JSRuntime newRuntime(boolean enableDebugging) {
JSRuntime runtime = new JSRuntime();
if(enableDebugging && ! _jsdNativesLoaded) {
System.loadLibrary(NATIVE_JSD_LIBRARY_NAME);
_jsdNativesLoaded = true;
}
if(! runtime._init(enableDebugging))
return null;
return runtime;
}
static {
System.loadLibrary(NATIVE_LIBRARY_NAME);
}
public boolean isValid() {
return _nativeRuntime != 0;
}
// finalization not guaranteed to happen in right order - trust programmer
public void destroy() {
_exit();
_nativeRuntime = 0;
}
long getNativeRuntime() {return _nativeRuntime;}
long getNativeDebugSupport() {return _nativeDebugSupport;}
private native boolean _init(boolean enableDebugging);
private native void _exit();
private long _nativeRuntime;
private long _nativeDebugSupport;
private static boolean _jsdNativesLoaded = false;
}