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/*
* This file is part of the Javassist toolkit.
*
* 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. You may obtain a copy of the License at
* either http://www.mozilla.org/MPL/.
*
* 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.
*
* The Original Code is Javassist.
*
* The Initial Developer of the Original Code is Shigeru Chiba. Portions
* created by Shigeru Chiba are Copyright (C) 1999-2003 Shigeru Chiba.
* All Rights Reserved.
*
* Contributor(s):
*
* The development of this software is supported in part by the PRESTO
* program (Sakigake Kenkyu 21) of Japan Science and Technology Corporation.
*/
package javassist.bytecode;
import java.io.DataInputStream;
import java.io.IOException;
import java.util.Map;
/**
* <code>SourceFile_attribute</code>.
*/
public class SourceFileAttribute extends AttributeInfo {
/**
* The name of this attribute <code>"SourceFile"</code>.
*/
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 <code>sourcefile_index</code>.
*/
public String getFileName() {
return getConstPool().getUtf8Info(ByteArray.readU16bit(get(), 0));
}
/**
* Makes a copy. Class names are replaced according to the
* given <code>Map</code> 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());
}
}
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