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101 lines
4.5 KiB
101 lines
4.5 KiB
/*
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* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*/
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package com.sun.org.apache.bcel.internal.classfile;
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2001 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache BCEL" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache BCEL", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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/**
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* Unknown (non-standard) attributes may be read via user-defined factory
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* objects that can be registered with the Attribute.addAttributeReader
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* method. These factory objects should implement this interface.
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* @see Attribute
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* @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
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*/
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public interface AttributeReader {
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/**
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When this attribute reader is added via the static method
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Attribute.addAttributeReader, an attribute name is associated with it.
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As the class file parser parses attributes, it will call various
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AttributeReaders based on the name of the attributes it is
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constructing.
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@param name_index An index into the constant pool, indexing a
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ConstantUtf8 that represents the name of the attribute.
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@param length The length of the data contained in the attribute. This
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is written into the constant pool and should agree with what the
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factory expects the length to be.
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@param file This is the data input stream that the factory needs to read
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its data from.
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@param constant_pool This is the constant pool associated with the
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Attribute that we are constructing.
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@return The user-defined AttributeReader should take this data and use
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it to construct an attribute. In the case of errors, a null can be
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returned which will cause the parsing of the class file to fail.
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@see Attribute#addAttributeReader( String, AttributeReader )
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*/
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public Attribute createAttribute(int name_index,
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int length,
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java.io.DataInputStream file,
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ConstantPool constant_pool);
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}
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