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- package org.aspectj.apache.bcel.classfile;
-
- /* ====================================================================
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Apache" and "Apache Software Foundation" and
- * "Apache BCEL" must not be used to endorse or promote products
- * derived from this software without prior written permission. For
- * written permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * "Apache BCEL", nor may "Apache" appear in their name, without
- * prior written permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-
- import java.io.DataInputStream;
- import java.io.DataOutputStream;
- import java.io.IOException;
-
- import org.aspectj.apache.bcel.Constants;
-
- /**
- * This class is derived from <em>Attribute</em> and represents a reference to the source file of this class. At most one SourceFile
- * attribute should appear per classfile. The intention of this class is that it is instantiated from the
- * <em>Attribute.readAttribute()</em> method.
- *
- * @version $Id: SourceFile.java,v 1.5 2009/09/15 19:40:12 aclement Exp $
- * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
- * @see Attribute
- */
- public final class SourceFile extends Attribute {
- private int sourcefile_index;
-
- /**
- * Initialize from another object. Note that both objects use the same references (shallow copy). Use clone() for a physical
- * copy.
- */
- public SourceFile(SourceFile c) {
- this(c.getNameIndex(), c.getLength(), c.getSourceFileIndex(), c.getConstantPool());
- }
-
- /**
- * Construct object from file stream.
- *
- * @param name_index Index in constant pool to CONSTANT_Utf8
- * @param length Content length in bytes
- * @param file Input stream
- * @param constant_pool Array of constants
- * @throws IOException
- */
- SourceFile(int name_index, int length, DataInputStream file, ConstantPool constant_pool) throws IOException {
- this(name_index, length, file.readUnsignedShort(), constant_pool);
- }
-
- /**
- * @param name_index Index in constant pool to CONSTANT_Utf8, which should represent the string "SourceFile".
- * @param length Content length in bytes, the value should be 2.
- * @param constant_pool The constant pool that this attribute is associated with.
- * @param sourcefile_index Index in constant pool to CONSTANT_Utf8. This string will be interpreted as the name of the file from
- * which this class was compiled. It will not be interpreted as indicating the name of the directory contqining the file
- * or an absolute path; this information has to be supplied the consumer of this attribute - in many cases, the JVM.
- */
- public SourceFile(int name_index, int length, int sourcefile_index, ConstantPool constant_pool) {
- super(Constants.ATTR_SOURCE_FILE, name_index, length, constant_pool);
- this.sourcefile_index = sourcefile_index;
- }
-
- /**
- * 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(ClassVisitor v) {
- v.visitSourceFile(this);
- }
-
- /**
- * Dump source file attribute to file stream in binary format.
- *
- * @param file Output file stream
- * @throws IOException
- */
- @Override
- public final void dump(DataOutputStream file) throws IOException {
- super.dump(file);
- file.writeShort(sourcefile_index);
- }
-
- /**
- * @return Index in constant pool of source file name.
- */
- public final int getSourceFileIndex() {
- return sourcefile_index;
- }
-
- /**
- * @param sourcefile_index.
- */
- public final void setSourceFileIndex(int sourcefile_index) {
- this.sourcefile_index = sourcefile_index;
- }
-
- /**
- * @return Source file name.
- */
- public final String getSourceFileName() {
- ConstantUtf8 c = (ConstantUtf8) cpool.getConstant(sourcefile_index, Constants.CONSTANT_Utf8);
- return c.getValue();
- }
-
- /**
- * @return String representation
- */
- @Override
- public final String toString() {
- return "SourceFile(" + getSourceFileName() + ")";
- }
-
- /**
- * @return deep copy of this attribute //
- */
- // @Override
- // public Attribute copy(ConstantPool constant_pool) {
- // return (SourceFile) clone();
- // }
- }
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