| /* |
| * 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 the abstract |
| * <A HREF="com.sun.org.apache.bcel.internal.classfile.Constant.html">Constant</A> class |
| * and represents a reference to a Utf8 encoded string. |
| * |
| * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> |
| * @see Constant |
| */ |
| public final class ConstantUtf8 extends Constant { |
| private String bytes; |
| |
| /** |
| * Initialize from another object. |
| */ |
| public ConstantUtf8(ConstantUtf8 c) { |
| this(c.getBytes()); |
| } |
| |
| /** |
| * Initialize instance from file data. |
| * |
| * @param file Input stream |
| * @throws IOException |
| */ |
| ConstantUtf8(DataInputStream file) throws IOException |
| { |
| super(Constants.CONSTANT_Utf8); |
| |
| bytes = file.readUTF(); |
| } |
| |
| /** |
| * @param bytes Data |
| */ |
| public ConstantUtf8(String bytes) |
| { |
| super(Constants.CONSTANT_Utf8); |
| |
| if(bytes == null) |
| throw new IllegalArgumentException("bytes must not be null!"); |
| |
| this.bytes = bytes; |
| } |
| |
| /** |
| * 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) { |
| v.visitConstantUtf8(this); |
| } |
| |
| /** |
| * Dump String in Utf8 format to file stream. |
| * |
| * @param file Output file stream |
| * @throws IOException |
| */ |
| public final void dump(DataOutputStream file) throws IOException |
| { |
| file.writeByte(tag); |
| file.writeUTF(bytes); |
| } |
| |
| /** |
| * @return Data converted to string. |
| */ |
| public final String getBytes() { return bytes; } |
| |
| /** |
| * @param bytes. |
| */ |
| public final void setBytes(String bytes) { |
| this.bytes = bytes; |
| } |
| |
| /** |
| * @return String representation |
| */ |
| public final String toString() |
| { |
| return super.toString() + "(\"" + Utility.replace(bytes, "\n", "\\n") + "\")"; |
| } |
| } |