org.jruby.internal.runtime.methods.DumpingInvocationMethodFactory Maven / Gradle / Ivy
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* Copyright (C) 2006 Ola Bini
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package org.jruby.internal.runtime.methods;
import java.io.File;
import java.io.FileOutputStream;
import org.objectweb.asm.ClassWriter;
/**
* This factory extends InvocationMethodFactory by also dumping the classes to
* .class files at runtime. It is used during the build to save off all
* generated method handles to avoid that expense during startup.
*
* @see org.jruby.internal.runtime.methods.InvocationMethodFactory
*/
public class DumpingInvocationMethodFactory extends InvocationMethodFactory {
private String dumpPath;
public DumpingInvocationMethodFactory(String path, ClassLoader classLoader) {
super(classLoader);
this.dumpPath = path;
}
@Override
protected Class endClass(ClassWriter cw, String name) {
cw.visitEnd();
byte[] code = cw.toByteArray();
String cname = name.replace('.','/');
File f = new File(dumpPath,cname+".class");
f.getParentFile().mkdirs();
try {
FileOutputStream fos = new FileOutputStream(f);
fos.write(code);
fos.close();
} catch(Exception e) {
}
return classLoader.defineClass(name, code);
}
}// DumpingInvocationMethodFactory