| /* |
| * 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 java.io.DataInput; |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| |
| import com.sun.org.apache.bcel.internal.Const; |
| |
| /** |
| * This class represents a inner class attribute, i.e., the class |
| * indices of the inner and outer classes, the name and the attributes |
| * of the inner class. |
| * |
| * @version $Id: InnerClass.java 1749603 2016-06-21 20:50:19Z ggregory $ |
| * @see InnerClasses |
| */ |
| public final class InnerClass implements Cloneable, Node { |
| |
| private int inner_class_index; |
| private int outer_class_index; |
| private int inner_name_index; |
| private int inner_access_flags; |
| |
| |
| /** |
| * Initialize from another object. |
| */ |
| public InnerClass(final InnerClass c) { |
| this(c.getInnerClassIndex(), c.getOuterClassIndex(), c.getInnerNameIndex(), c |
| .getInnerAccessFlags()); |
| } |
| |
| |
| /** |
| * Construct object from file stream. |
| * @param file Input stream |
| * @throws IOException |
| */ |
| InnerClass(final DataInput file) throws IOException { |
| this(file.readUnsignedShort(), file.readUnsignedShort(), file.readUnsignedShort(), file |
| .readUnsignedShort()); |
| } |
| |
| |
| /** |
| * @param inner_class_index Class index in constant pool of inner class |
| * @param outer_class_index Class index in constant pool of outer class |
| * @param inner_name_index Name index in constant pool of inner class |
| * @param inner_access_flags Access flags of inner class |
| */ |
| public InnerClass(final int inner_class_index, final int outer_class_index, final int inner_name_index, |
| final int inner_access_flags) { |
| this.inner_class_index = inner_class_index; |
| this.outer_class_index = outer_class_index; |
| this.inner_name_index = inner_name_index; |
| this.inner_access_flags = inner_access_flags; |
| } |
| |
| |
| /** |
| * 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 |
| */ |
| @Override |
| public void accept( final Visitor v ) { |
| v.visitInnerClass(this); |
| } |
| |
| |
| /** |
| * Dump inner class attribute to file stream in binary format. |
| * |
| * @param file Output file stream |
| * @throws IOException |
| */ |
| public final void dump( final DataOutputStream file ) throws IOException { |
| file.writeShort(inner_class_index); |
| file.writeShort(outer_class_index); |
| file.writeShort(inner_name_index); |
| file.writeShort(inner_access_flags); |
| } |
| |
| |
| /** |
| * @return access flags of inner class. |
| */ |
| public final int getInnerAccessFlags() { |
| return inner_access_flags; |
| } |
| |
| |
| /** |
| * @return class index of inner class. |
| */ |
| public final int getInnerClassIndex() { |
| return inner_class_index; |
| } |
| |
| |
| /** |
| * @return name index of inner class. |
| */ |
| public final int getInnerNameIndex() { |
| return inner_name_index; |
| } |
| |
| |
| /** |
| * @return class index of outer class. |
| */ |
| public final int getOuterClassIndex() { |
| return outer_class_index; |
| } |
| |
| |
| /** |
| * @param inner_access_flags access flags for this inner class |
| */ |
| public final void setInnerAccessFlags( final int inner_access_flags ) { |
| this.inner_access_flags = inner_access_flags; |
| } |
| |
| |
| /** |
| * @param inner_class_index index into the constant pool for this class |
| */ |
| public final void setInnerClassIndex( final int inner_class_index ) { |
| this.inner_class_index = inner_class_index; |
| } |
| |
| |
| /** |
| * @param inner_name_index index into the constant pool for this class's name |
| */ |
| public final void setInnerNameIndex( final int inner_name_index ) { // TODO unused |
| this.inner_name_index = inner_name_index; |
| } |
| |
| |
| /** |
| * @param outer_class_index index into the constant pool for the owning class |
| */ |
| public final void setOuterClassIndex( final int outer_class_index ) { // TODO unused |
| this.outer_class_index = outer_class_index; |
| } |
| |
| |
| /** |
| * @return String representation. |
| */ |
| @Override |
| public final String toString() { |
| return "InnerClass(" + inner_class_index + ", " + outer_class_index + ", " |
| + inner_name_index + ", " + inner_access_flags + ")"; |
| } |
| |
| |
| /** |
| * @return Resolved string representation |
| */ |
| public final String toString( final ConstantPool constant_pool ) { |
| String outer_class_name; |
| String inner_name; |
| String inner_class_name = constant_pool.getConstantString(inner_class_index, |
| Const.CONSTANT_Class); |
| inner_class_name = Utility.compactClassName(inner_class_name); |
| if (outer_class_index != 0) { |
| outer_class_name = constant_pool.getConstantString(outer_class_index, |
| Const.CONSTANT_Class); |
| outer_class_name = " of class " + Utility.compactClassName(outer_class_name); |
| } else { |
| outer_class_name = ""; |
| } |
| if (inner_name_index != 0) { |
| inner_name = ((ConstantUtf8) constant_pool.getConstant(inner_name_index, |
| Const.CONSTANT_Utf8)).getBytes(); |
| } else { |
| inner_name = "(anonymous)"; |
| } |
| String access = Utility.accessToString(inner_access_flags, true); |
| access = access.isEmpty() ? "" : (access + " "); |
| return " " + access + inner_name + "=class " + inner_class_name + outer_class_name; |
| } |
| |
| |
| /** |
| * @return deep copy of this object |
| */ |
| public InnerClass copy() { |
| try { |
| return (InnerClass) clone(); |
| } catch (final CloneNotSupportedException e) { |
| // TODO should this throw? |
| } |
| return null; |
| } |
| } |