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re-implement System.getProperty to separate vm-specific properties from others

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This commit is contained in:
Joel Dice
2007-08-27 07:46:17 -06:00
parent 493667a6cc
commit b8de552797
7 changed files with 105 additions and 30 deletions
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29
classpath/java/lang/System.java
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@ -9,6 +9,12 @@ import java.io.FileOutputStream;
import java.io.FileDescriptor;
public abstract class System {
private static final int Unknown = 0;
private static final int JavaClassPath = 1;
private static final int LineSeparator = 100;
private static final int OsName = 101;
static {
loadLibrary("natives");
}
@ -25,7 +31,28 @@ public abstract class System {
public static native void arraycopy(Object src, int srcOffset, Object dst,
int dstOffset, int length);
public static native String getProperty(String name);
public static String getProperty(String name) {
int code = Unknown;
if (name.equals("java.class.path")) {
code = JavaClassPath;
} else if (name.equals("line.separator")) {
code = LineSeparator;
} else if (name.equals("os.name")) {
code = OsName;
}
if (code == Unknown) {
return null;
} else if (code == JavaClassPath) {
return getVMProperty(code);
} else {
return getProperty(code);
}
}
private static native String getProperty(int code);
private static native String getVMProperty(int code);
public static native long currentTimeMillis();