| /* |
| * 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 InterfaceMethodRef CP Info |
| * |
| */ |
| public class InterfaceMethodRefCPInfo extends ConstantPoolEntry { |
| /** the class name of the class defining the interface method */ |
| private String interfaceMethodClassName; |
| /** the name of the interface nmethod */ |
| private String interfaceMethodName; |
| /** the method signature of the interface method */ |
| private String interfaceMethodType; |
| /** |
| * the index into the constant pool of the class entry for the interface |
| * class |
| */ |
| private int classIndex; |
| /** |
| * the index into the constant pool of the name and type entry |
| * describing the method |
| */ |
| private int nameAndTypeIndex; |
| |
| /** Constructor. */ |
| public InterfaceMethodRefCPInfo() { |
| super(CONSTANT_INTERFACEMETHODREF, 1); |
| } |
| |
| /** |
| * read a constant pool entry from a class stream. |
| * |
| * @param cpStream the DataInputStream which contains the constant pool |
| * entry to be read. |
| * @exception IOException if there is a problem reading the entry from |
| * the stream. |
| */ |
| public void read(DataInputStream cpStream) throws IOException { |
| classIndex = cpStream.readUnsignedShort(); |
| nameAndTypeIndex = 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. |
| */ |
| public void resolve(ConstantPool constantPool) { |
| ClassCPInfo interfaceMethodClass |
| = (ClassCPInfo) constantPool.getEntry(classIndex); |
| |
| interfaceMethodClass.resolve(constantPool); |
| |
| interfaceMethodClassName = interfaceMethodClass.getClassName(); |
| |
| NameAndTypeCPInfo nt |
| = (NameAndTypeCPInfo) constantPool.getEntry(nameAndTypeIndex); |
| |
| nt.resolve(constantPool); |
| |
| interfaceMethodName = nt.getName(); |
| interfaceMethodType = nt.getType(); |
| |
| super.resolve(constantPool); |
| } |
| |
| /** |
| * Print a readable version of the constant pool entry. |
| * |
| * @return the string representation of this constant pool entry. |
| */ |
| public String toString() { |
| String value; |
| |
| if (isResolved()) { |
| value = "InterfaceMethod : Class = " + interfaceMethodClassName |
| + ", name = " + interfaceMethodName + ", type = " |
| + interfaceMethodType; |
| } else { |
| value = "InterfaceMethod : Class index = " + classIndex |
| + ", name and type index = " + nameAndTypeIndex; |
| } |
| |
| return value; |
| } |
| |
| /** |
| * Gets the name of the class defining the interface method |
| * |
| * @return the name of the class defining the interface method |
| */ |
| public String getInterfaceMethodClassName() { |
| return interfaceMethodClassName; |
| } |
| |
| /** |
| * Get the name of the interface method |
| * |
| * @return the name of the interface method |
| */ |
| public String getInterfaceMethodName() { |
| return interfaceMethodName; |
| } |
| |
| /** |
| * Gets the type of the interface method |
| * |
| * @return the interface method's type signature |
| */ |
| public String getInterfaceMethodType() { |
| return interfaceMethodType; |
| } |
| |
| } |
| |