| /* |
| * 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; |
| |
| /** |
| * A Method Type CP Info |
| * |
| */ |
| public class MethodTypeCPInfo extends ConstantCPInfo { |
| |
| /** Index into the constant pool for the class */ |
| private int methodDescriptorIndex; |
| /** the value of the method descriptor pointed to */ |
| private String methodDescriptor; |
| /** Constructor. */ |
| public MethodTypeCPInfo() { |
| super(CONSTANT_METHODTYPE, 1); |
| } |
| |
| /** |
| * read a constant pool entry from a class stream. |
| * |
| * @param cpStream the DataInputStream which contains the constant pool |
| * entry to be read. |
| * @exception java.io.IOException if there is a problem reading the entry from |
| * the stream. |
| */ |
| @Override |
| public void read(final DataInputStream cpStream) throws IOException { |
| methodDescriptorIndex = cpStream.readUnsignedShort(); |
| } |
| |
| /** |
| * Resolve this constant pool entry with respect to its dependents in |
| * the constant pool. |
| * |
| * @param constantPool the constant pool of which this entry is a member |
| * and against which this entry is to be resolved. |
| */ |
| @Override |
| public void resolve(final ConstantPool constantPool) { |
| final Utf8CPInfo methodClass |
| = (Utf8CPInfo) constantPool.getEntry(methodDescriptorIndex); |
| methodClass.resolve(constantPool); |
| methodDescriptor = methodClass.getValue(); |
| super.resolve(constantPool); |
| } |
| /** |
| * Print a readable version of the constant pool entry. |
| * |
| * @return the string representation of this constant pool entry. |
| */ |
| @Override |
| public String toString() { |
| if (!isResolved()) { |
| return "MethodDescriptorIndex: " + methodDescriptorIndex; |
| } else { |
| return "MethodDescriptor: " + methodDescriptor; |
| |
| } |
| } |
| |
| } |
| |