Java Code Examples for org.apache.bcel.classfile.JavaClass#getClassNameIndex()

The following examples show how to use org.apache.bcel.classfile.JavaClass#getClassNameIndex() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: Util.java    From spotbugs with GNU Lesser General Public License v2.1 7 votes vote down vote up 
/**
 * Determine the outer class of obj.
 *
 * @param obj
 * @return JavaClass for outer class, or null if obj is not an outer class
 * @throws ClassNotFoundException
 */

@CheckForNull
public static JavaClass getOuterClass(JavaClass obj) throws ClassNotFoundException {
    for (Attribute a : obj.getAttributes()) {
        if (a instanceof InnerClasses) {
            for (InnerClass ic : ((InnerClasses) a).getInnerClasses()) {
                if (obj.getClassNameIndex() == ic.getInnerClassIndex()) {
                    // System.out.println("Outer class is " +
                    // ic.getOuterClassIndex());
                    ConstantClass oc = (ConstantClass) obj.getConstantPool().getConstant(ic.getOuterClassIndex());
                    String ocName = oc.getBytes(obj.getConstantPool());
                    return Repository.lookupClass(ocName);
                }
            }
        }
    }
    return null;
}
Example 2
Source File: helloify.java    From commons-bcel with Apache License 2.0 5 votes vote down vote up 
/**
 * Change class name to <old_name>_hello
 */
private static void helloifyClassName(final JavaClass java_class) {
    class_name = java_class.getClassName() + "_hello";
    int index = java_class.getClassNameIndex();

    index = ((ConstantClass) cp.getConstant(index)).getNameIndex();
    cp.setConstant(index, new ConstantUtf8(class_name.replace('.', '/')));
}
Example 3
Source File: ClassGen.java    From commons-bcel with Apache License 2.0 5 votes vote down vote up 
/**
 * Initialize with existing class.
 * @param clazz JavaClass object (e.g. read from file)
 */
public ClassGen(final JavaClass clazz) {
    super(clazz.getAccessFlags());
    classNameIndex = clazz.getClassNameIndex();
    superclass_name_index = clazz.getSuperclassNameIndex();
    className = clazz.getClassName();
    superClassName = clazz.getSuperclassName();
    fileName = clazz.getSourceFileName();
    cp = new ConstantPoolGen(clazz.getConstantPool());
    major = clazz.getMajor();
    minor = clazz.getMinor();
    final Attribute[] attributes = clazz.getAttributes();
    // J5TODO: Could make unpacking lazy, done on first reference
    final AnnotationEntryGen[] annotations = unpackAnnotations(attributes);
    final Method[] methods = clazz.getMethods();
    final Field[] fields = clazz.getFields();
    final String[] interfaces = clazz.getInterfaceNames();
    for (final String interface1 : interfaces) {
        addInterface(interface1);
    }
    for (final Attribute attribute : attributes) {
        if (!(attribute instanceof Annotations)) {
            addAttribute(attribute);
        }
    }
    for (final AnnotationEntryGen annotation : annotations) {
        addAnnotationEntry(annotation);
    }
    for (final Method method : methods) {
        addMethod(method);
    }
    for (final Field field : fields) {
        addField(field);
    }
}