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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistribution of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materails provided with the distribution.
*
* Neither the name Sun Microsystems, Inc. or the names of the contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANT OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMEN, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND
* ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS
* A RESULT OF USING, MODIFYING OR DESTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
* REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
* INCIDENTAL OR PUNITIVE DAMAGES. HOWEVER CAUSED AND REGARDLESS OF THE THEORY
* OF LIABILITY, ARISING OUT OF THE USE OF OUR INABILITY TO USE THIS SOFTWARE,
* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for us in
* the design, construction, operation or maintenance of any nuclear facility
*
*/
package net.java.games.input;
import net.java.games.util.plugins.Plugins;
import java.io.File;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.StringTokenizer;
import java.util.logging.Logger;
/**
* The default controller environment.
*
* @version %I% %G%
* @author Michael Martak
*/
class DefaultControllerEnvironment extends ControllerEnvironment {
static String libPath;
private static Logger log = Logger.getLogger(DefaultControllerEnvironment.class.getName());
/**
* Static utility method for loading native libraries.
* It will try to load from either the path given by
* the net.java.games.input.librarypath property
* or through System.loadLibrary().
*
*/
static void loadLibrary(final String lib_name) {
AccessController.doPrivileged((PrivilegedAction) () -> {
String lib_path = System.getProperty("net.java.games.input.librarypath");
if (lib_path != null)
System.load(lib_path + File.separator + System.mapLibraryName(lib_name));
else
System.loadLibrary(lib_name);
return null;
});
}
static String getPrivilegedProperty(final String property) {
return AccessController.doPrivileged((PrivilegedAction) () -> System.getProperty(property));
}
static String getPrivilegedProperty(final String property, final String default_value) {
return AccessController.doPrivileged((PrivilegedAction) () -> System.getProperty(property, default_value));
}
/**
* List of all controllers in this environment
*/
private ArrayList controllers;
private Collection loadedPluginNames = new ArrayList<>();
/**
* Public no-arg constructor.
*/
public DefaultControllerEnvironment() {
}
/**
* Returns a list of all controllers available to this environment,
* or an empty array if there are no controllers in this environment.
*/
public Controller[] getControllers() {
if (controllers == null) {
// Controller list has not been scanned.
controllers = new ArrayList<>();
AccessController.doPrivileged((PrivilegedAction) () -> scanControllers());
//Check the properties for specified controller classes
String pluginClasses = getPrivilegedProperty("jinput.plugins", "") + " " + getPrivilegedProperty("net.java.games.input.plugins", "");
if(!getPrivilegedProperty("jinput.useDefaultPlugin", "true").toLowerCase().trim().equals("false") && !getPrivilegedProperty("net.java.games.input.useDefaultPlugin", "true").toLowerCase().trim().equals("false")) {
String osName = getPrivilegedProperty("os.name", "").trim();
if(osName.equals("Linux")) {
pluginClasses = pluginClasses + " net.java.games.input.LinuxEnvironmentPlugin";
} else if(osName.equals("Mac OS X")) {
pluginClasses = pluginClasses + " net.java.games.input.OSXEnvironmentPlugin";
} else if(osName.equals("Windows XP") || osName.equals("Windows Vista") || osName.equals("Windows 7") || osName.equals("Windows 8") || osName.equals("Windows 8.1") || osName.equals("Windows 10")) {
pluginClasses = pluginClasses + " net.java.games.input.DirectAndRawInputEnvironmentPlugin";
} else if(osName.equals("Windows 98") || osName.equals("Windows 2000")) {
pluginClasses = pluginClasses + " net.java.games.input.DirectInputEnvironmentPlugin";
} else if (osName.startsWith("Windows")) {
log.warning("Found unknown Windows version: " + osName);
log.warning("Attempting to use default windows plug-in.");
pluginClasses = pluginClasses + " net.java.games.input.DirectAndRawInputEnvironmentPlugin";
} else {
log.warning("Trying to use default plugin, OS name " + osName +" not recognised");
}
}
StringTokenizer pluginClassTok = new StringTokenizer(pluginClasses, " \t\n\r\f,;:");
while(pluginClassTok.hasMoreTokens()) {
String className = pluginClassTok.nextToken();
try {
if(!loadedPluginNames.contains(className)) {
log.fine("Loading: " + className);
Class ceClass = Class.forName(className);
ControllerEnvironment ce = (ControllerEnvironment) ceClass.getDeclaredConstructor().newInstance();
if(ce.isSupported()) {
addControllers(ce.getControllers());
loadedPluginNames.add(ce.getClass().getName());
} else {
log(ceClass.getName() + " is not supported");
}
}
} catch (Throwable e) {
e.printStackTrace();
}
}
}
Controller[] ret = new Controller[controllers.size()];
Iterator it = controllers.iterator();
int i = 0;
while (it.hasNext()) {
ret[i] = it.next();
i++;
}
return ret;
}
/* This is jeff's new plugin code using Jeff's Plugin manager */
private Void scanControllers() {
String pluginPathName = getPrivilegedProperty("jinput.controllerPluginPath");
if(pluginPathName == null) {
pluginPathName = "controller";
}
scanControllersAt(getPrivilegedProperty("java.home") +
File.separator + "lib"+File.separator + pluginPathName);
scanControllersAt(getPrivilegedProperty("user.dir")+
File.separator + pluginPathName);
return null;
}
private void scanControllersAt(String path) {
File file = new File(path);
if (!file.exists()) {
return;
}
try {
Plugins plugins = new Plugins(file);
@SuppressWarnings("unchecked")
Class[] envClasses = plugins.getExtends(ControllerEnvironment.class);
for(int i=0;i
