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      1 /*
      2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
      3  *             of Java bytecode.
      4  *
      5  * Copyright (c) 2002-2014 Eric Lafortune (eric (at) graphics.cornell.edu)
      6  *
      7  * This program is free software; you can redistribute it and/or modify it
      8  * under the terms of the GNU General Public License as published by the Free
      9  * Software Foundation; either version 2 of the License, or (at your option)
     10  * any later version.
     11  *
     12  * This program is distributed in the hope that it will be useful, but WITHOUT
     13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
     15  * more details.
     16  *
     17  * You should have received a copy of the GNU General Public License along
     18  * with this program; if not, write to the Free Software Foundation, Inc.,
     19  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
     20  */
     21 package proguard.classfile.attribute;
     22 
     23 
     24 import proguard.classfile.*;
     25 import proguard.classfile.attribute.visitor.AttributeVisitor;
     26 
     27 /**
     28  * This Attribute represents an unknown attribute.
     29  *
     30  * @author Eric Lafortune
     31  */
     32 public class UnknownAttribute extends Attribute
     33 {
     34     public final int    u4attributeLength;
     35     public       byte[] info;
     36 
     37 
     38     /**
     39      * Creates an uninitialized UnknownAttribute with the specified name and
     40      * length.
     41      */
     42     public UnknownAttribute(int u2attributeNameIndex,
     43                             int attributeLength)
     44     {
     45         this(u2attributeNameIndex, attributeLength, null);
     46     }
     47 
     48 
     49     /**
     50      * Creates an initialized UnknownAttribute.
     51      */
     52     public UnknownAttribute(int    u2attributeNameIndex,
     53                             int    u4attributeLength,
     54                             byte[] info)
     55     {
     56         super(u2attributeNameIndex);
     57 
     58         this.u4attributeLength = u4attributeLength;
     59         this.info              = info;
     60     }
     61 
     62 
     63     // Implementations for Attribute.
     64 
     65     public void accept(Clazz clazz, AttributeVisitor attributeVisitor)
     66     {
     67         attributeVisitor.visitUnknownAttribute(clazz, this);
     68     }
     69 
     70     public void accept(Clazz clazz, Field field, AttributeVisitor attributeVisitor)
     71     {
     72         attributeVisitor.visitUnknownAttribute(clazz, this);
     73     }
     74 
     75     public void accept(Clazz clazz, Method method, AttributeVisitor attributeVisitor)
     76     {
     77         attributeVisitor.visitUnknownAttribute(clazz, this);
     78     }
     79 
     80     public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, AttributeVisitor attributeVisitor)
     81     {
     82         attributeVisitor.visitUnknownAttribute(clazz, this);
     83     }
     84 }
     85