273 lines
9.2 KiB
Java
273 lines
9.2 KiB
Java
/*
|
|
* Copyright (c) 2002-2008 LWJGL Project
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* * Neither the name of 'LWJGL' nor the names of
|
|
* its contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
package org.lwjgl;
|
|
|
|
import java.io.File;
|
|
import java.lang.reflect.Method;
|
|
import java.net.MalformedURLException;
|
|
import java.net.URL;
|
|
import java.security.AccessController;
|
|
import java.security.PrivilegedAction;
|
|
import java.security.PrivilegedExceptionAction;
|
|
|
|
import org.lwjgl.input.Mouse;
|
|
|
|
/**
|
|
* <p>
|
|
* System class (named Sys so as not to conflict with java.lang.System)
|
|
* </p>
|
|
* @author cix_foo <cix_foo@users.sourceforge.net>
|
|
* @version $Revision$
|
|
* $Id$
|
|
*/
|
|
public final class Sys {
|
|
/** The native library name */
|
|
private static final String JNI_LIBRARY_NAME = "lwjgl";
|
|
|
|
/** Current version of library */
|
|
private static final String VERSION = "2.9.4";
|
|
|
|
private static final String POSTFIX64BIT = "64";
|
|
|
|
/** The implementation instance to delegate platform specific behavior to */
|
|
private static final SysImplementation implementation;
|
|
private static final boolean is64Bit;
|
|
|
|
private static void doLoadLibrary(final String lib_name) {
|
|
AccessController.doPrivileged(new PrivilegedAction<Object>() {
|
|
public Object run() {
|
|
String library_path = System.getProperty("org.lwjgl.librarypath");
|
|
if (library_path != null) {
|
|
System.load(library_path + File.separator + LWJGLUtil.mapLibraryName(lib_name));
|
|
} else {
|
|
System.loadLibrary(lib_name);
|
|
}
|
|
return null;
|
|
}
|
|
});
|
|
}
|
|
|
|
private static void loadLibrary(final String lib_name) {
|
|
// actively try to load 64bit libs on 64bit architectures first
|
|
String osArch = System.getProperty("os.arch");
|
|
boolean try64First = LWJGLUtil.getPlatform() != LWJGLUtil.PLATFORM_MACOSX && ("amd64".equals(osArch) || "x86_64".equals(osArch));
|
|
|
|
Error err = null;
|
|
if ( try64First ) {
|
|
try {
|
|
doLoadLibrary(lib_name + POSTFIX64BIT);
|
|
return;
|
|
} catch (UnsatisfiedLinkError e) {
|
|
err = e;
|
|
}
|
|
}
|
|
|
|
// fallback to loading the "old way"
|
|
try {
|
|
doLoadLibrary(lib_name);
|
|
} catch (UnsatisfiedLinkError e) {
|
|
if ( try64First )
|
|
throw err;
|
|
|
|
if (implementation.has64Bit()) {
|
|
try {
|
|
doLoadLibrary(lib_name + POSTFIX64BIT);
|
|
return;
|
|
} catch (UnsatisfiedLinkError e2) {
|
|
LWJGLUtil.log("Failed to load 64 bit library: " + e2.getMessage());
|
|
}
|
|
}
|
|
|
|
// Throw original error
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
static {
|
|
implementation = createImplementation();
|
|
loadLibrary(JNI_LIBRARY_NAME);
|
|
is64Bit = implementation.getPointerSize() == 8;
|
|
|
|
int native_jni_version = implementation.getJNIVersion();
|
|
int required_version = implementation.getRequiredJNIVersion();
|
|
if (native_jni_version != required_version)
|
|
throw new LinkageError("Version mismatch: jar version is '" + required_version +
|
|
"', native library version is '" + native_jni_version + "'");
|
|
implementation.setDebug(LWJGLUtil.DEBUG);
|
|
}
|
|
|
|
private static SysImplementation createImplementation() {
|
|
switch (LWJGLUtil.getPlatform()) {
|
|
case LWJGLUtil.PLATFORM_LINUX:
|
|
return new LinuxSysImplementation();
|
|
case LWJGLUtil.PLATFORM_WINDOWS:
|
|
return new WindowsSysImplementation();
|
|
case LWJGLUtil.PLATFORM_MACOSX:
|
|
return new MacOSXSysImplementation();
|
|
default:
|
|
throw new IllegalStateException("Unsupported platform");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* No constructor for Sys.
|
|
*/
|
|
private Sys() {
|
|
}
|
|
|
|
/**
|
|
* Return the version of the core LWJGL libraries as a String.
|
|
*/
|
|
public static String getVersion() {
|
|
return VERSION;
|
|
}
|
|
|
|
/**
|
|
* Initialization. This is just a dummy method to trigger the static constructor.
|
|
*/
|
|
public static void initialize() {
|
|
}
|
|
|
|
/** Returns true if a 64bit implementation was loaded. */
|
|
public static boolean is64Bit() {
|
|
return is64Bit;
|
|
}
|
|
|
|
/**
|
|
* Obtains the number of ticks that the hires timer does in a second. This method is fast;
|
|
* it should be called as frequently as possible, as it recalibrates the timer.
|
|
*
|
|
* @return timer resolution in ticks per second or 0 if no timer is present.
|
|
*/
|
|
public static long getTimerResolution() {
|
|
return implementation.getTimerResolution();
|
|
}
|
|
|
|
/**
|
|
* Gets the current value of the hires timer, in ticks. When the Sys class is first loaded
|
|
* the hires timer is reset to 0. If no hires timer is present then this method will always
|
|
* return 0.<p><strong>NOTEZ BIEN</strong> that the hires timer WILL wrap around.
|
|
*
|
|
* @return the current hires time, in ticks (always >= 0)
|
|
*/
|
|
public static long getTime() {
|
|
return implementation.getTime() & 0x7FFFFFFFFFFFFFFFL;
|
|
}
|
|
|
|
/**
|
|
* Attempt to display a modal alert to the user. This method should be used
|
|
* when a game fails to initialize properly or crashes out losing its display
|
|
* in the process. It is provided because AWT may not be available on the target
|
|
* platform, although on Mac and Linux and other platforms supporting AWT we
|
|
* delegate the task to AWT instead of doing it ourselves.
|
|
* <p>
|
|
* The alert should display the title and the message and then the current
|
|
* thread should block until the user dismisses the alert - typically with an
|
|
* OK button click.
|
|
* <p>
|
|
* It may be that the user's system has no windowing system installed for some
|
|
* reason, in which case this method may do nothing at all, or attempt to provide
|
|
* some console output.
|
|
*
|
|
* @param title The title of the alert. We suggest using the title of your game.
|
|
* @param message The message text for the alert.
|
|
*/
|
|
public static void alert(String title, String message) {
|
|
boolean grabbed = Mouse.isGrabbed();
|
|
if (grabbed) {
|
|
Mouse.setGrabbed(false);
|
|
}
|
|
if (title == null)
|
|
title = "";
|
|
if (message == null)
|
|
message = "";
|
|
implementation.alert(title, message);
|
|
if (grabbed) {
|
|
Mouse.setGrabbed(true);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Open the system web browser and point it at the specified URL. It is recommended
|
|
* that this not be called whilst your game is running, but on application exit in
|
|
* a shutdown hook, as the screen resolution will not be reset when the browser is
|
|
* brought into view.
|
|
* <p>
|
|
* There is no guarantee that this will work, nor that we can detect if it has
|
|
* failed - hence we don't return success code or throw an Exception. This is just a
|
|
* best attempt at opening the URL given - don't rely on it to work!
|
|
* <p>
|
|
* @param url The URL. Ensure that the URL is properly encoded.
|
|
* @return false if we are CERTAIN the call has failed
|
|
*/
|
|
public static boolean openURL(String url) {
|
|
// Attempt to use Webstart if we have it available
|
|
try {
|
|
// Lookup the javax.jnlp.BasicService object
|
|
final Class<?> serviceManagerClass = Class.forName("javax.jnlp.ServiceManager");
|
|
Method lookupMethod = AccessController.doPrivileged(new PrivilegedExceptionAction<Method>() {
|
|
public Method run() throws Exception {
|
|
return serviceManagerClass.getMethod("lookup", String.class);
|
|
}
|
|
});
|
|
Object basicService = lookupMethod.invoke(serviceManagerClass, new Object[] {"javax.jnlp.BasicService"});
|
|
final Class<?> basicServiceClass = Class.forName("javax.jnlp.BasicService");
|
|
Method showDocumentMethod = AccessController.doPrivileged(new PrivilegedExceptionAction<Method>() {
|
|
public Method run() throws Exception {
|
|
return basicServiceClass.getMethod("showDocument", URL.class);
|
|
}
|
|
});
|
|
try {
|
|
Boolean ret = (Boolean)showDocumentMethod.invoke(basicService, new URL(url));
|
|
return ret;
|
|
} catch (MalformedURLException e) {
|
|
e.printStackTrace(System.err);
|
|
return false;
|
|
}
|
|
} catch (Exception ue) {
|
|
return implementation.openURL(url);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the contents of the system clipboard. The system might not have a
|
|
* clipboard (particularly if it doesn't even have a keyboard) in which case
|
|
* we return null. Otherwise we return a String, which may be the empty
|
|
* string "".
|
|
*
|
|
* @return a String, or null if there is no system clipboard.
|
|
*/
|
|
public static String getClipboard() {
|
|
return implementation.getClipboard();
|
|
}
|
|
}
|