--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/com/sun/org/apache/bcel/internal/classfile/SourceFile.java Thu Apr 12 08:38:26 2012 -0700
@@ -0,0 +1,176 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+package com.sun.org.apache.bcel.internal.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 com.sun.org.apache.bcel.internal.Constants;
+import java.io.*;
+
+/**
+ * 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.
+ *
+ * @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
+ */
+ public void accept(Visitor v) {
+ v.visitSourceFile(this);
+ }
+
+ /**
+ * Dump source file attribute to file stream in binary format.
+ *
+ * @param file Output file stream
+ * @throws IOException
+ */
+ 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)constant_pool.getConstant(sourcefile_index,
+ Constants.CONSTANT_Utf8);
+ return c.getBytes();
+ }
+
+ /**
+ * @return String representation
+ */
+ public final String toString() {
+ return "SourceFile(" + getSourceFileName() + ")";
+ }
+
+ /**
+ * @return deep copy of this attribute
+ */
+ public Attribute copy(ConstantPool constant_pool) {
+ return (SourceFile)clone();
+ }
+}