001 /*
002 * Copyright 2007-2008 Sun Microsystems, Inc. All Rights Reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation. Sun designates this
008 * particular file as subject to the "Classpath" exception as provided
009 * by Sun in the LICENSE file that accompanied this code.
010 *
011 * This code is distributed in the hope that it will be useful, but WITHOUT
012 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
014 * version 2 for more details (a copy is included in the LICENSE file that
015 * accompanied this code).
016 *
017 * You should have received a copy of the GNU General Public License version
018 * 2 along with this work; if not, write to the Free Software Foundation,
019 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020 *
021 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022 * CA 95054 USA or visit www.sun.com if you need additional information or
023 * have any questions.
024 */
025
026 package com.sun.tools.classfile;
027
028 import java.io.IOException;
029
030 /**
031 * See JVMS3, section 4.8.18 and 4.8.19.
032 *
033 * <p><b>This is NOT part of any API supported by Sun Microsystems. If
034 * you write code that depends on this, you do so at your own risk.
035 * This code and its internal interfaces are subject to change or
036 * deletion without notice.</b>
037 */
038 public abstract class RuntimeParameterAnnotations_attribute extends Attribute {
039 RuntimeParameterAnnotations_attribute(ClassReader cr, int name_index, int length)
040 throws IOException, Annotation.InvalidAnnotation {
041 super(name_index, length);
042 int num_parameters = cr.readUnsignedByte();
043 parameter_annotations = new Annotation[num_parameters][];
044 for (int p = 0; p < parameter_annotations.length; p++) {
045 int num_annotations = cr.readUnsignedShort();
046 Annotation[] annotations = new Annotation[num_annotations];
047 for (int i = 0; i < num_annotations; i++)
048 annotations[i] = new Annotation(cr);
049 parameter_annotations[p] = annotations;
050 }
051 }
052
053 protected RuntimeParameterAnnotations_attribute(int name_index, Annotation[][] parameter_annotations) {
054 super(name_index, length(parameter_annotations));
055 this.parameter_annotations = parameter_annotations;
056 }
057
058 private static int length(Annotation[][] anno_arrays) {
059 int n = 1;
060 for (Annotation[] anno_array: anno_arrays) {
061 n += 2;
062 for (Annotation anno: anno_array)
063 n += anno.length();
064 }
065 return n;
066 }
067
068 public final Annotation[][] parameter_annotations;
069 }
070