jaroslav@1260: /**
jaroslav@1260:  * Back 2 Browser Bytecode Translator
jaroslav@1260:  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@1260:  *
jaroslav@1260:  * This program is free software: you can redistribute it and/or modify
jaroslav@1260:  * it under the terms of the GNU General Public License as published by
jaroslav@1260:  * the Free Software Foundation, version 2 of the License.
jaroslav@1260:  *
jaroslav@1260:  * This program is distributed in the hope that it will be useful,
jaroslav@1260:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@1260:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jaroslav@1260:  * GNU General Public License for more details.
jaroslav@1260:  *
jaroslav@1260:  * You should have received a copy of the GNU General Public License
jaroslav@1260:  * along with this program. Look for COPYING file in the top folder.
jaroslav@1260:  * If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@1260:  */
jaroslav@1260: package java.lang;
jaroslav@1260: 
jaroslav@1416: import java.io.BufferedOutputStream;
jaroslav@1322: import java.io.ByteArrayInputStream;
jaroslav@1416: import java.io.IOException;
jaroslav@1322: import java.io.InputStream;
jaroslav@1416: import java.io.OutputStream;
jaroslav@1322: import java.io.PrintStream;
jaroslav@1410: import java.util.Properties;
jaroslav@1279: import org.apidesign.bck2brwsr.core.JavaScriptBody;
jaroslav@1279: 
jaroslav@1260: /** Poor man's re-implementation of most important System methods.
jaroslav@1260:  *
jaroslav@1260:  * @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@1260:  */
jaroslav@1260: public class System {
jaroslav@1260:     private System() {
jaroslav@1260:     }
jaroslav@1260:     
jaroslav@1260:     public static void arraycopy(Object value, int srcBegin, Object dst, int dstBegin, int count) {
jaroslav@1260:         org.apidesign.bck2brwsr.emul.lang.System.arraycopy(value, srcBegin, dst, dstBegin, count);
jaroslav@1260:     }
jaroslav@1260:     
jaroslav@1260:     public static long currentTimeMillis() {
jaroslav@1260:         return org.apidesign.bck2brwsr.emul.lang.System.currentTimeMillis();
jaroslav@1260:     }
jaroslav@1260:     
toni@1289:     public static long nanoTime() {
toni@1289:         return org.apidesign.bck2brwsr.emul.lang.System.nanoTime();
toni@1290:         
toni@1289:     }
toni@1289:     
jaroslav@1260:     public static int identityHashCode(Object obj) {
jaroslav@1260:         return obj.defaultHashCode();
jaroslav@1260:     }
jaroslav@1260: 
jaroslav@1260:     public static String getProperty(String name) {
jaroslav@1328:         if ("os.name".equals(name)) {
jaroslav@1328:             return userAgent();
jaroslav@1328:         }
jaroslav@1260:         return null;
jaroslav@1260:     }
jaroslav@1260:     
jaroslav@1362:     @JavaScriptBody(args = {}, body = "return (typeof navigator !== 'undefined') ? navigator.userAgent : 'unknown';")
jaroslav@1328:     private static native String userAgent();
jaroslav@1328:     
jaroslav@1260:     public static String getProperty(String key, String def) {
jaroslav@1260:         return def;
jaroslav@1260:     }
jaroslav@1260:     
jaroslav@1410:     public static Properties getProperties() {
jaroslav@1410:         throw new SecurityException();
jaroslav@1410:     }
jaroslav@1410:     
jaroslav@1410:     public static void setProperties(Properties p) {
jaroslav@1410:         throw new SecurityException();
jaroslav@1410:     }
jaroslav@1410:     
jaroslav@1260:     /**
jaroslav@1260:      * Returns the system-dependent line separator string.  It always
jaroslav@1260:      * returns the same value - the initial value of the {@linkplain
jaroslav@1260:      * #getProperty(String) system property} {@code line.separator}.
jaroslav@1260:      *
jaroslav@1260:      * <p>On UNIX systems, it returns {@code "\n"}; on Microsoft
jaroslav@1260:      * Windows systems it returns {@code "\r\n"}.
jaroslav@1260:      */
jaroslav@1260:     public static String lineSeparator() {
jaroslav@1260:         return "\n";
jaroslav@1260:     }
jaroslav@1279: 
jaroslav@1279:     @JavaScriptBody(args = { "exitCode" }, body = "window.close();")
jaroslav@1279:     public static void exit(int exitCode) {
jaroslav@1279:     }
jaroslav@1322:     
jaroslav@1322:     public final static InputStream in;
jaroslav@1322: 
jaroslav@1322:     public final static PrintStream out;
jaroslav@1322: 
jaroslav@1322:     public final static PrintStream err;
jaroslav@1322:     
jaroslav@1416:     public static void setOut(PrintStream out) {
jaroslav@1416:         throw new SecurityException();
jaroslav@1416:     }
jaroslav@1416: 
jaroslav@1416:     public static void setIn(InputStream in) {
jaroslav@1416:         throw new SecurityException();
jaroslav@1416:     }
jaroslav@1416: 
jaroslav@1416:     public static void setErr(PrintStream err) {
jaroslav@1416:         throw new SecurityException();
jaroslav@1416:     }
jaroslav@1416:     
jaroslav@1322:     static {
jaroslav@1322:         in = new ByteArrayInputStream(new byte[0]);
jaroslav@1416:         out = new PrintStream(new BufferedOutputStream(new SystemStream("log")));
jaroslav@1416:         err = new PrintStream(new BufferedOutputStream(new SystemStream("warn")));
jaroslav@1322:     }
jaroslav@1416: 
jaroslav@1416:     private static final class SystemStream extends OutputStream {
jaroslav@1416:         private final String method;
jaroslav@1416: 
jaroslav@1416:         public SystemStream(String method) {
jaroslav@1416:             this.method = method;
jaroslav@1416:         }
jaroslav@1416: 
jaroslav@1416:         @Override
jaroslav@1416:         public void write(byte b[], int off, int len) throws IOException {
jaroslav@1416:             write(method, new String(b, off, len, "UTF-8"));
jaroslav@1416:         }
jaroslav@1416: 
jaroslav@1416:         @JavaScriptBody(args = { "method", "b" }, body = "if (typeof console !== 'undefined') console[method](b.toString());")
jaroslav@1416:         private static native void write(String method, String b);
jaroslav@1416: 
jaroslav@1416:         @Override
jaroslav@1416:         public void write(int b) throws IOException {
jaroslav@1416:             write(new byte[] { (byte)b });
jaroslav@1416:         }
jaroslav@1416:     } // end of SystemStream
jaroslav@1260: }