7197619: Using modifiers for the dead key detection on Windows
Reviewed-by: bagiras, leonidr
import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
public class Loader2 extends ClassLoader {
int _recur;
public void print( String msg ) {
for( int i=0; i<_recur; i++ )
System.out.print(" ");
System.out.println(">>Loader2>> "+msg);
}
protected Class findClass2(String name) throws ClassNotFoundException {
print("Fetching the implementation of "+name);
int old = _recur;
try {
FileInputStream fi = new FileInputStream(name+".impl2");
byte result[] = new byte[fi.available()];
fi.read(result);
print("DefineClass1 on "+name);
_recur++;
Class clazz = defineClass(name, result, 0, result.length);
_recur = old;
print("Returning newly loaded class.");
return clazz;
} catch (Exception e) {
_recur = old;
print("Not found on disk.");
// If we caught an exception, either the class was not found or
// it was unreadable by our process.
return null;
//throw new ClassNotFoundException(e.toString());
}
}
protected synchronized Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
// Attempt a disk load first
Class c = findClass2(name);
if( c == null ) {
// check if the class has already been loaded
print("Checking for prior loaded class "+name);
c = findLoadedClass(name);
print("Letting super-loader load "+name);
int old = _recur;
_recur++;
c = super.loadClass(name, false);
_recur=old;
}
if (resolve) { print("Resolving class "+name); resolveClass(c); }
print("Returning clazz "+c.getClassLoader()+":"+name);
return c;
}
}