You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
169 lines
6.2 KiB
169 lines
6.2 KiB
package com.fr.third.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 com.fr.third.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(); |
|
// } |
|
}
|
|
|