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Diffstat (limited to 'src/com/sun/org/apache/bcel/internal/classfile/Unknown.java')
-rw-r--r--src/com/sun/org/apache/bcel/internal/classfile/Unknown.java216
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diff --git a/src/com/sun/org/apache/bcel/internal/classfile/Unknown.java b/src/com/sun/org/apache/bcel/internal/classfile/Unknown.java
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index 16fc476..0000000
--- a/src/com/sun/org/apache/bcel/internal/classfile/Unknown.java
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@@ -1,216 +0,0 @@
-/*
- * 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.*;
-import java.util.*;
-
-/**
- * This class represents a reference to an unknown (i.e.,
- * application-specific) attribute of a class. It is instantiated from the
- * <em>Attribute.readAttribute()</em> method. Applications that need to
- * read in application-specific attributes should create an <a
- * href="./AttributeReader.html">AttributeReader</a> implementation and
- * attach it via <a
- * href="./Attribute.html#addAttributeReader(java.lang.String,
- * com.sun.org.apache.bcel.internal.classfile.AttributeReader)">Attribute.addAttributeReader</a>.
-
- *
- * @see com.sun.org.apache.bcel.internal.classfile.Attribute
- * @see com.sun.org.apache.bcel.internal.classfile.AttributeReader
- * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
- */
-public final class Unknown extends Attribute {
- private byte[] bytes;
- private String name;
-
- private static HashMap unknown_attributes = new HashMap();
-
- /** @return array of unknown attributes, but just one for each kind.
- */
- static Unknown[] getUnknownAttributes() {
- Unknown[] unknowns = new Unknown[unknown_attributes.size()];
- Iterator entries = unknown_attributes.values().iterator();
-
- for(int i=0; entries.hasNext(); i++)
- unknowns[i] = (Unknown)entries.next();
-
- unknown_attributes.clear();
- return unknowns;
- }
-
- /**
- * Initialize from another object. Note that both objects use the same
- * references (shallow copy). Use clone() for a physical copy.
- */
- public Unknown(Unknown c) {
- this(c.getNameIndex(), c.getLength(), c.getBytes(), c.getConstantPool());
- }
-
- /**
- * Create a non-standard attribute.
- *
- * @param name_index Index in constant pool
- * @param length Content length in bytes
- * @param bytes Attribute contents
- * @param constant_pool Array of constants
- */
- public Unknown(int name_index, int length, byte[] bytes,
- ConstantPool constant_pool)
- {
- super(Constants.ATTR_UNKNOWN, name_index, length, constant_pool);
- this.bytes = bytes;
-
- name = ((ConstantUtf8)constant_pool.getConstant(name_index,
- Constants.CONSTANT_Utf8)).getBytes();
- unknown_attributes.put(name, this);
- }
-
- /**
- * Construct object from file stream.
- * @param name_index Index in constant pool
- * @param length Content length in bytes
- * @param file Input stream
- * @param constant_pool Array of constants
- * @throws IOException
- */
- Unknown(int name_index, int length, DataInputStream file,
- ConstantPool constant_pool)
- throws IOException
- {
- this(name_index, length, (byte [])null, constant_pool);
-
- if(length > 0) {
- bytes = new byte[length];
- file.readFully(bytes);
- }
- }
-
- /**
- * 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.visitUnknown(this);
- }
- /**
- * Dump unknown bytes to file stream.
- *
- * @param file Output file stream
- * @throws IOException
- */
- public final void dump(DataOutputStream file) throws IOException
- {
- super.dump(file);
- if(length > 0)
- file.write(bytes, 0, length);
- }
- /**
- * @return data bytes.
- */
- public final byte[] getBytes() { return bytes; }
-
- /**
- * @return name of attribute.
- */
- public final String getName() { return name; }
-
- /**
- * @param bytes.
- */
- public final void setBytes(byte[] bytes) {
- this.bytes = bytes;
- }
-
- /**
- * @return String representation.
- */
- public final String toString() {
- if(length == 0 || bytes == null)
- return "(Unknown attribute " + name + ")";
-
- String hex;
- if(length > 10) {
- byte[] tmp = new byte[10];
- System.arraycopy(bytes, 0, tmp, 0, 10);
- hex = Utility.toHexString(tmp) + "... (truncated)";
- }
- else
- hex = Utility.toHexString(bytes);
-
- return "(Unknown attribute " + name + ": " + hex + ")";
- }
-
- /**
- * @return deep copy of this attribute
- */
- public Attribute copy(ConstantPool constant_pool) {
- Unknown c = (Unknown)clone();
-
- if(bytes != null)
- c.bytes = (byte[])bytes.clone();
-
- c.constant_pool = constant_pool;
- return c;
- }
-}