PMGClass.java
- /*
- * 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.bcel.classfile;
- import java.io.DataInput;
- import java.io.DataOutputStream;
- import java.io.IOException;
- import org.apache.bcel.Const;
- /**
- * This class is derived from <em>Attribute</em> and represents a reference to a PMG attribute.
- *
- * @see Attribute
- */
- public final class PMGClass extends Attribute {
- private int pmgClassIndex;
- private int pmgIndex;
- /**
- * Constructs object from input stream.
- *
- * @param nameIndex Index in constant pool to CONSTANT_Utf8
- * @param length Content length in bytes
- * @param input Input stream
- * @param constantPool Array of constants
- * @throws IOException if an I/O error occurs.
- */
- PMGClass(final int nameIndex, final int length, final DataInput input, final ConstantPool constantPool) throws IOException {
- this(nameIndex, length, input.readUnsignedShort(), input.readUnsignedShort(), constantPool);
- }
- /**
- * @param nameIndex Index in constant pool to CONSTANT_Utf8
- * @param length Content length in bytes
- * @param pmgIndex index in constant pool for source file name
- * @param pmgClassIndex Index in constant pool to CONSTANT_Utf8
- * @param constantPool Array of constants
- */
- public PMGClass(final int nameIndex, final int length, final int pmgIndex, final int pmgClassIndex, final ConstantPool constantPool) {
- super(Const.ATTR_PMG, nameIndex, length, constantPool);
- this.pmgIndex = pmgIndex;
- this.pmgClassIndex = pmgClassIndex;
- }
- /**
- * Initialize from another object. Note that both objects use the same references (shallow copy). Use copy() for a
- * physical copy.
- *
- * @param pgmClass Source to copy.
- */
- public PMGClass(final PMGClass pgmClass) {
- this(pgmClass.getNameIndex(), pgmClass.getLength(), pgmClass.getPMGIndex(), pgmClass.getPMGClassIndex(), pgmClass.getConstantPool());
- }
- /**
- * Called by objects that are traversing the nodes of the tree implicitly 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
- */
- @Override
- public void accept(final Visitor v) {
- println("Visiting non-standard PMGClass object");
- }
- /**
- * @return deep copy of this attribute
- */
- @Override
- public Attribute copy(final ConstantPool constantPool) {
- return (Attribute) clone();
- }
- /**
- * Dump source file attribute to file stream in binary format.
- *
- * @param file Output file stream
- * @throws IOException if an I/O error occurs.
- */
- @Override
- public void dump(final DataOutputStream file) throws IOException {
- super.dump(file);
- file.writeShort(pmgIndex);
- file.writeShort(pmgClassIndex);
- }
- /**
- * @return Index in constant pool of source file name.
- */
- public int getPMGClassIndex() {
- return pmgClassIndex;
- }
- /**
- * @return PMG class name.
- */
- public String getPMGClassName() {
- return super.getConstantPool().getConstantUtf8(pmgClassIndex).getBytes();
- }
- /**
- * @return Index in constant pool of source file name.
- */
- public int getPMGIndex() {
- return pmgIndex;
- }
- /**
- * @return PMG name.
- */
- public String getPMGName() {
- return super.getConstantPool().getConstantUtf8(pmgIndex).getBytes();
- }
- /**
- * @param pmgClassIndex
- */
- public void setPMGClassIndex(final int pmgClassIndex) {
- this.pmgClassIndex = pmgClassIndex;
- }
- /**
- * @param pmgIndex
- */
- public void setPMGIndex(final int pmgIndex) {
- this.pmgIndex = pmgIndex;
- }
- /**
- * @return String representation
- */
- @Override
- public String toString() {
- return "PMGClass(" + getPMGName() + ", " + getPMGClassName() + ")";
- }
- }