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- /*
- * Javassist, a Java-bytecode translator toolkit.
- * Copyright (C) 2004 Bill Burke. All Rights Reserved.
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. Alternatively, the contents of this file may be used under
- * the terms of the GNU Lesser General Public License Version 2.1 or later,
- * or the Apache License Version 2.0.
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- */
-
- package javassist.bytecode.annotation;
-
- import javassist.ClassPool;
- import javassist.bytecode.BadBytecode;
- import javassist.bytecode.ConstPool;
- import javassist.bytecode.Descriptor;
- import javassist.bytecode.SignatureAttribute;
-
- import java.io.IOException;
- import java.lang.reflect.Method;
-
- /**
- * Class value.
- *
- * @author <a href="mailto:bill@jboss.org">Bill Burke</a>
- * @author Shigeru Chiba
- */
- public class ClassMemberValue extends MemberValue {
- int valueIndex;
-
- /**
- * Constructs a class value. The initial value is specified
- * by the constant pool entry at the given index.
- *
- * @param index the index of a CONSTANT_Utf8_info structure.
- */
- public ClassMemberValue(int index, ConstPool cp) {
- super('c', cp);
- this.valueIndex = index;
- }
-
- /**
- * Constructs a class value.
- *
- * @param className the initial value.
- */
- public ClassMemberValue(String className, ConstPool cp) {
- super('c', cp);
- setValue(className);
- }
-
- /**
- * Constructs a class value.
- * The initial value is java.lang.Class.
- */
- public ClassMemberValue(ConstPool cp) {
- super('c', cp);
- setValue("java.lang.Class");
- }
-
- Object getValue(ClassLoader cl, ClassPool cp, Method m)
- throws ClassNotFoundException {
- final String classname = getValue();
- if (classname.equals("void"))
- return void.class;
- else if (classname.equals("int"))
- return int.class;
- else if (classname.equals("byte"))
- return byte.class;
- else if (classname.equals("long"))
- return long.class;
- else if (classname.equals("double"))
- return double.class;
- else if (classname.equals("float"))
- return float.class;
- else if (classname.equals("char"))
- return char.class;
- else if (classname.equals("short"))
- return short.class;
- else if (classname.equals("boolean"))
- return boolean.class;
- else
- return loadClass(cl, classname);
- }
-
- Class getType(ClassLoader cl) throws ClassNotFoundException {
- return loadClass(cl, "java.lang.Class");
- }
-
- /**
- * Obtains the value of the member.
- *
- * @return fully-qualified class name.
- */
- public String getValue() {
- String v = cp.getUtf8Info(valueIndex);
- try {
- return SignatureAttribute.toTypeSignature(v).toString();
- } catch (BadBytecode e) {
- throw new RuntimeException(e);
- }
- }
-
- /**
- * Sets the value of the member.
- *
- * @param newClassName fully-qualified class name.
- */
- public void setValue(String newClassName) {
- String setTo = Descriptor.of(newClassName);
- valueIndex = cp.addUtf8Info(setTo);
- }
-
- /**
- * Obtains the string representation of this object.
- */
- public String toString() {
- return getValue() + ".class";
- }
-
- /**
- * Writes the value.
- */
- public void write(AnnotationsWriter writer) throws IOException {
- writer.classInfoIndex(cp.getUtf8Info(valueIndex));
- }
-
- /**
- * Accepts a visitor.
- */
- public void accept(MemberValueVisitor visitor) {
- visitor.visitClassMemberValue(this);
- }
- }
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