1 /*

     2  * Copyright (c) 2007, 2008, 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.IOException;

    29 

    30 /**

    31  * See JVMS, section 4.8.16 and 4.8.17.

    32  *

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

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

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

    36  *  deletion without notice.</b>

    37  */

    38 public abstract class RuntimeAnnotations_attribute extends Attribute {

    39     protected RuntimeAnnotations_attribute(ClassReader cr, int name_index, int length)

    40             throws IOException, Annotation.InvalidAnnotation {

    41         super(name_index, length);

    42         int num_annotations = cr.readUnsignedShort();

    43         annotations = new Annotation[num_annotations];

    44         for (int i = 0; i < annotations.length; i++)

    45             annotations[i] = new Annotation(cr);

    46     }

    47 

    48     protected RuntimeAnnotations_attribute(int name_index, Annotation[] annotations) {

    49         super(name_index, length(annotations));

    50         this.annotations = annotations;

    51     }

    52 

    53     private static int length(Annotation[] annos) {

    54         int n = 2;

    55         for (Annotation anno: annos)

    56             n += anno.length();

    57         return n;

    58     }

    59 

    60     public final Annotation[] annotations;

    61 }