1 /*

     2  * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package com.sun.tools.classfile;

    27 

    28 import java.io.ByteArrayInputStream;

    29 import java.io.DataInputStream;

    30 import java.io.IOException;

    31 import java.nio.charset.Charset;

    32 

    33 /**

    34  * See JVMS, section 4.8.15.

    35  *

    36  *  <p><b>This is NOT part of any supported API.

    37  *  If you write code that depends on this, you do so at your own risk.

    38  *  This code and its internal interfaces are subject to change or

    39  *  deletion without notice.</b>

    40  */

    41 public class SourceDebugExtension_attribute extends Attribute {

    42     private static final Charset UTF8 = Charset.forName("UTF-8");

    43 

    44     SourceDebugExtension_attribute(ClassReader cr, int name_index, int length) throws IOException {

    45         super(name_index, length);

    46         debug_extension = new byte[attribute_length];

    47         cr.readFully(debug_extension);

    48     }

    49 

    50     public SourceDebugExtension_attribute(ConstantPool constant_pool, byte[] debug_extension)

    51             throws ConstantPoolException {

    52         this(constant_pool.getUTF8Index(Attribute.SourceDebugExtension), debug_extension);

    53     }

    54 

    55     public SourceDebugExtension_attribute(int name_index, byte[] debug_extension) {

    56         super(name_index, debug_extension.length);

    57         this.debug_extension = debug_extension;

    58     }

    59 

    60     public String getValue() {

    61         return new String(debug_extension, UTF8);

    62     }

    63 

    64     public <R, D> R accept(Visitor<R, D> visitor, D data) {

    65         return visitor.visitSourceDebugExtension(this, data);

    66     }

    67 

    68     public final byte[] debug_extension;

    69 }