/* * Javassist, a Java-bytecode translator toolkit. * Copyright (C) 1999-2006 Shigeru Chiba. All Rights Reserved. * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. Alternatively, the contents of this file may be used under * the terms of the GNU Lesser General Public License Version 2.1 or later. * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. */ package javassist.bytecode; import java.io.DataInputStream; import java.io.IOException; import java.util.Map; /** * SourceFile_attribute. */ public class SourceFileAttribute extends AttributeInfo { /** * The name of this attribute "SourceFile". */ public static final String tag = "SourceFile"; SourceFileAttribute(ConstPool cp, int n, DataInputStream in) throws IOException { super(cp, n, in); } /** * Constructs a SourceFile attribute. * * @param cp a constant pool table. * @param filename the name of the source file. */ public SourceFileAttribute(ConstPool cp, String filename) { super(cp, tag); int index = cp.addUtf8Info(filename); byte[] bvalue = new byte[2]; bvalue[0] = (byte)(index >>> 8); bvalue[1] = (byte)index; set(bvalue); } /** * Returns the file name indicated by sourcefile_index. */ public String getFileName() { return getConstPool().getUtf8Info(ByteArray.readU16bit(get(), 0)); } /** * Makes a copy. Class names are replaced according to the * given Map object. * * @param newCp the constant pool table used by the new copy. * @param classnames pairs of replaced and substituted * class names. */ public AttributeInfo copy(ConstPool newCp, Map classnames) { return new SourceFileAttribute(newCp, getFileName()); } }