/*
* Copyright (c) 2007 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
package org.powermock.api.mockito.repackaged.cglib.core;
import org.powermock.api.mockito.repackaged.asm.ClassReader;
import org.powermock.api.mockito.repackaged.asm.ClassWriter;
import org.powermock.api.mockito.repackaged.asm.util.TraceClassVisitor;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
public class DebuggingClassWriter extends ClassWriter {
public static final String DEBUG_LOCATION_PROPERTY = "cglib.debugLocation";
private static String debugLocation;
private static boolean traceEnabled;
static {
debugLocation = System.getProperty(DEBUG_LOCATION_PROPERTY);
if (debugLocation != null) {
System.err.println("CGLIB debugging enabled, writing to '" + debugLocation + "'");
try {
Class.forName("org.powermock.api.mockito.repackaged.asm.util.TraceClassVisitor");
traceEnabled = true;
} catch (Throwable ignore) {
}
}
}
private String className;
private String superName;
public DebuggingClassWriter(int flags) {
super(flags);
}
public void visit(int version,
int access,
String name,
String signature,
String superName,
String[] interfaces) {
className = name.replace('/', '.');
this.superName = superName.replace('/', '.');
super.visit(version, access, name, signature, superName, interfaces);
}
public String getClassName() {
return className;
}
public String getSuperName() {
return superName;
}
public byte[] toByteArray() {
return (byte[]) java.security.AccessController.doPrivileged(
new java.security.PrivilegedAction() {
public Object run() {
byte[] b = DebuggingClassWriter.super.toByteArray();
if (debugLocation != null) {
String dirs = className.replace('.', File.separatorChar);
try {
new File(debugLocation + File.separatorChar + dirs).getParentFile().mkdirs();
File file = new File(new File(debugLocation), dirs + ".class");
OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
try {
out.write(b);
} finally {
out.close();
}
if (traceEnabled) {
file = new File(new File(debugLocation), dirs + ".asm");
out = new BufferedOutputStream(new FileOutputStream(file));
try {
ClassReader cr = new ClassReader(b);
PrintWriter pw = new PrintWriter(new OutputStreamWriter(out));
TraceClassVisitor tcv = new TraceClassVisitor(null, pw);
cr.accept(tcv, 0);
pw.flush();
} finally {
out.close();
}
}
} catch (IOException e) {
throw new CodeGenerationException(e);
}
}
return b;
}
});
}
}