| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.tools.ant.taskdefs.optional.depend.constantpool; |
| |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| |
| /** |
| * The constant pool entry which stores class information. |
| * |
| */ |
| public class ClassCPInfo extends ConstantPoolEntry { |
| |
| /** |
| * The class' name. This will be only valid if the entry has been |
| * resolved against the constant pool. |
| */ |
| private String className; |
| |
| /** |
| * The index into the constant pool where this class' name is stored. If |
| * the class name is changed, this entry is invalid until this entry is |
| * connected to a constant pool. |
| */ |
| private int index; |
| |
| /** |
| * Constructor. Sets the tag value for this entry to type Class |
| */ |
| public ClassCPInfo() { |
| super(CONSTANT_CLASS, 1); |
| } |
| |
| /** |
| * Read the entry from a stream. |
| * |
| * @param cpStream the stream containing the constant pool entry to be |
| * read. |
| * @exception IOException thrown if there is a problem reading the entry |
| * from the stream. |
| */ |
| public void read(DataInputStream cpStream) throws IOException { |
| index = cpStream.readUnsignedShort(); |
| className = "unresolved"; |
| } |
| |
| /** |
| * Generate a string readable version of this entry |
| * |
| * @return string representation of this constant pool entry |
| */ |
| public String toString() { |
| return "Class Constant Pool Entry for " + className + "[" + index + "]"; |
| } |
| |
| /** |
| * Resolve this class info against the given constant pool. |
| * |
| * @param constantPool the constant pool with which to resolve the |
| * class. |
| */ |
| public void resolve(ConstantPool constantPool) { |
| className = ((Utf8CPInfo) constantPool.getEntry(index)).getValue(); |
| |
| super.resolve(constantPool); |
| } |
| |
| /** |
| * Get the class name of this entry. |
| * |
| * @return the class' name. |
| */ |
| public String getClassName() { |
| return className; |
| } |
| |
| } |
| |