| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * 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 com.sun.org.apache.bcel.internal.classfile; |
| |
| |
| import com.sun.org.apache.bcel.internal.Constants; |
| import java.io.*; |
| |
| /** |
| * This class is derived from <em>Attribute</em> and represents a reference |
| * to a <a href="http://www.inf.fu-berlin.de/~bokowski/pmgjava/index.html">PMG</a> |
| * attribute. |
| * |
| * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> |
| * @see Attribute |
| */ |
| public final class PMGClass extends Attribute { |
| private int pmg_class_index, pmg_index; |
| |
| /** |
| * Initialize from another object. Note that both objects use the same |
| * references (shallow copy). Use clone() for a physical copy. |
| */ |
| public PMGClass(PMGClass c) { |
| this(c.getNameIndex(), c.getLength(), c.getPMGIndex(), c.getPMGClassIndex(), |
| c.getConstantPool()); |
| } |
| |
| /** |
| * Construct object from file stream. |
| * @param name_index Index in constant pool to CONSTANT_Utf8 |
| * @param length Content length in bytes |
| * @param file Input stream |
| * @param constant_pool Array of constants |
| * @throws IOException |
| */ |
| PMGClass(int name_index, int length, DataInputStream file, |
| ConstantPool constant_pool) throws IOException |
| { |
| this(name_index, length, file.readUnsignedShort(), file.readUnsignedShort(), |
| constant_pool); |
| } |
| |
| /** |
| * @param name_index Index in constant pool to CONSTANT_Utf8 |
| * @param length Content length in bytes |
| * @param constant_pool Array of constants |
| * @param PMGClass_index Index in constant pool to CONSTANT_Utf8 |
| */ |
| public PMGClass(int name_index, int length, int pmg_index, int pmg_class_index, |
| ConstantPool constant_pool) |
| { |
| super(Constants.ATTR_PMG, name_index, length, constant_pool); |
| this.pmg_index = pmg_index; |
| this.pmg_class_index = pmg_class_index; |
| } |
| |
| /** |
| * Called by objects that are traversing the nodes of the tree implicitely |
| * defined by the contents of a Java class. I.e., the hierarchy of methods, |
| * fields, attributes, etc. spawns a tree of objects. |
| * |
| * @param v Visitor object |
| */ |
| public void accept(Visitor v) { |
| System.err.println("Visiting non-standard PMGClass object"); |
| } |
| |
| /** |
| * Dump source file attribute to file stream in binary format. |
| * |
| * @param file Output file stream |
| * @throws IOException |
| */ |
| public final void dump(DataOutputStream file) throws IOException |
| { |
| super.dump(file); |
| file.writeShort(pmg_index); |
| file.writeShort(pmg_class_index); |
| } |
| |
| /** |
| * @return Index in constant pool of source file name. |
| */ |
| public final int getPMGClassIndex() { return pmg_class_index; } |
| |
| /** |
| * @param PMGClass_index. |
| */ |
| public final void setPMGClassIndex(int pmg_class_index) { |
| this.pmg_class_index = pmg_class_index; |
| } |
| |
| /** |
| * @return Index in constant pool of source file name. |
| */ |
| public final int getPMGIndex() { return pmg_index; } |
| |
| /** |
| * @param PMGClass_index. |
| */ |
| public final void setPMGIndex(int pmg_index) { |
| this.pmg_index = pmg_index; |
| } |
| |
| /** |
| * @return PMG name. |
| */ |
| public final String getPMGName() { |
| ConstantUtf8 c = (ConstantUtf8)constant_pool.getConstant(pmg_index, |
| Constants.CONSTANT_Utf8); |
| return c.getBytes(); |
| } |
| |
| /** |
| * @return PMG class name. |
| */ |
| public final String getPMGClassName() { |
| ConstantUtf8 c = (ConstantUtf8)constant_pool.getConstant(pmg_class_index, |
| Constants.CONSTANT_Utf8); |
| return c.getBytes(); |
| } |
| |
| /** |
| * @return String representation |
| */ |
| public final String toString() { |
| return "PMGClass(" + getPMGName() + ", " + getPMGClassName() + ")"; |
| } |
| |
| /** |
| * @return deep copy of this attribute |
| */ |
| public Attribute copy(ConstantPool constant_pool) { |
| return (PMGClass)clone(); |
| } |
| } |