+// Copyright 2000-2005 the Contributors, as shown in the revision logs.
+// Licensed under the Apache Public Source License 2.0 ("the License").
+// You may not use this file except in compliance with the License.
+
package org.ibex.nestedvm.util;
import java.io.*;
import java.text.DateFormatSymbols;
+/*
+ GCCLASS_HINT: org.ibex.nestedvm.util.Platform.<clinit> org.ibex.nestedvm.util.Platform$Jdk11.<init>
+ GCCLASS_HINT: org.ibex.nestedvm.util.Platform.<clinit> org.ibex.nestedvm.util.Platform$Jdk12.<init>
+ GCCLASS_HINT: org.ibex.nestedvm.util.Platform.<clinit> org.ibex.nestedvm.util.Platform$Jdk13.<init>
+ GCCLASS_HINT: org.ibex.nestedvm.util.Platform.<clinit> org.ibex.nestedvm.util.Platform$Jdk14.<init>
+*/
+
public abstract class Platform {
Platform() { }
private static final Platform p;
static {
float version;
try {
- version = Float.parseFloat(System.getProperty("java.specification.version"));
+ if(getProperty("java.vm.name").equals("SableVM"))
+ version = 1.2f;
+ else
+ version = Float.valueOf(getProperty("java.specification.version")).floatValue();
} catch(Exception e) {
System.err.println("WARNING: " + e + " while trying to find jvm version - assuming 1.1");
version = 1.1f;
}
}
+ public static String getProperty(String key) {
+ try {
+ return System.getProperty(key);
+ } catch(SecurityException e) {
+ return null;
+ }
+ }
+
+
abstract boolean _atomicCreateFile(File f) throws IOException;
public static boolean atomicCreateFile(File f) throws IOException { return p._atomicCreateFile(f); }
public static String timeZoneGetDisplayName(TimeZone tz, boolean dst, boolean showlong, Locale l) { return p._timeZoneGetDisplayName(tz,dst,showlong,l); }
public static String timeZoneGetDisplayName(TimeZone tz, boolean dst, boolean showlong) { return timeZoneGetDisplayName(tz,dst,showlong,Locale.getDefault()); }
+ abstract RandomAccessFile _truncatedRandomAccessFile(File f, String mode) throws IOException;
+ public static RandomAccessFile truncatedRandomAccessFile(File f, String mode) throws IOException { return p._truncatedRandomAccessFile(f,mode); }
+
static class Jdk11 extends Platform {
boolean _atomicCreateFile(File f) throws IOException {
- // FIXME: Just do this non-atomicly
- throw new RuntimeException("FIXME");
+ // This is not atomic, but its the best we can do on jdk 1.1
+ if(f.exists()) return false;
+ new FileOutputStream(f).close();
+ return true;
}
void _socketHalfClose(Socket s, boolean output) throws IOException {
throw new IOException("half closing sockets not supported");
if(off > 0) sb.append(":").append(off);
return sb.toString();
}
+
+ RandomAccessFile _truncatedRandomAccessFile(File f, String mode) throws IOException {
+ new FileOutputStream(f).close();
+ return new RandomAccessFile(f,mode);
+ }
}
static class Jdk12 extends Jdk11 {
String _timeZoneGetDisplayName(TimeZone tz, boolean dst, boolean showlong, Locale l) {
return tz.getDisplayName(dst,showlong ? TimeZone.LONG : TimeZone.SHORT, l);
}
+
+ RandomAccessFile _truncatedRandomAccessFile(File f, String mode) throws IOException {
+ RandomAccessFile raf = new RandomAccessFile(f,mode);
+ raf.setLength(0);
+ return raf;
+ }
}
static class Jdk13 extends Jdk12 {