diff options
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.java | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/src/com/sun/org/apache/bcel/internal/classfile/Unknown.java b/src/com/sun/org/apache/bcel/internal/classfile/Unknown.java deleted file mode 100644 index 16fc476..0000000 --- a/src/com/sun/org/apache/bcel/internal/classfile/Unknown.java +++ /dev/null @@ -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; - } -} |