Example usage for org.aspectj.apache.bcel.classfile JavaClass getSuperclassNameIndex

Introduction

In this page you can find the example usage for org.aspectj.apache.bcel.classfile JavaClass getSuperclassNameIndex.

Prototype

public int getSuperclassNameIndex() 

Source Link

Usage

From source file:org.caesarj.mixer.intern.ClassModifyingVisitor.java

License:Open Source License

protected JavaClass transform(JavaClass clazz) throws MixerException {
    // empty collection of anonymous inner classes
    anonymousInners = new Vector<String>();

    oldOuterClassName = Tools.getOuterClass(clazz, oldClassName);
    oldSuperclassName = clazz.getSuperclassName();

    // create a copy as work base
    JavaClass newClass = clazz.copy();

    // find indices of class and super class name
    int classNameIndex = newClass.getClassNameIndex(), superclassNameIndex = newClass.getSuperclassNameIndex();
    ConstantClass cc = (ConstantClass) newClass.getConstantPool().getConstant(classNameIndex),
            csc = (ConstantClass) newClass.getConstantPool().getConstant(superclassNameIndex);
    classNameIndex = cc.getNameIndex();/*from   ww w .  jav  a  2  s .c  o  m*/
    superclassNameIndex = csc.getNameIndex();

    // Set new class & superclass name
    newClass.getConstantPool().setConstant(superclassNameIndex, new ConstantUtf8(newSuperclassName));
    newClass.getConstantPool().setConstant(classNameIndex, new ConstantUtf8(newClassName));

    // visit fields, methods and local variables to replace type references
    new DescendingVisitor(newClass, this).visit();

    // Delete all inner class references 
    Attribute[] atts = newClass.getAttributes();
    Vector<Attribute> v = new Vector<Attribute>();
    for (int i = 0; i < atts.length; i++) {
        Attribute attribute = atts[i];
        if (attribute.getTag() == Constants.ATTR_INNER_CLASSES) {
            InnerClasses ic = (InnerClasses) attribute;
            ic.setInnerClasses(new InnerClass[0]);
            ic.setLength(2);

        }
        v.add(attribute);
    }
    atts = v.toArray(new Attribute[v.size()]);
    newClass.setAttributes(atts);

    newClass = removeFactoryMethods(newClass);

    // Mixin classes must be abstract, because they do not implement factory methods,
    // (if the class is final => it was a anonymous inner class)
    if (!newClass.isFinal()) {
        newClass.setAccessFlags(newClass.getAccessFlags() | Constants.ACC_ABSTRACT);
    }

    // take a look at all methodrefs
    modifyMethodAndFieldRefs(newClass);

    // return generated class
    return newClass;
}

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