/*

 * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.

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

 *

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

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

 * published by the Free Software Foundation.  Oracle designates this

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

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

 *

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

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

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

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

 * accompanied this code).

 *

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

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

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

 *

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

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

 * questions.

 */

package com.sun.tools.classfile;

import java.io.IOException;

/**

 * See JVMS, section 4.8.18 and 4.8.19.

 *

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

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

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

 *  deletion without notice.</b>

 */

public abstract class RuntimeParameterAnnotations_attribute extends Attribute {

    RuntimeParameterAnnotations_attribute(ClassReader cr, int name_index, int length)

            throws IOException, Annotation.InvalidAnnotation {

        super(name_index, length);

        int num_parameters = cr.readUnsignedByte();

        parameter_annotations = new Annotation[num_parameters][];

        for (int p = 0; p < parameter_annotations.length; p++) {

            int num_annotations = cr.readUnsignedShort();

            Annotation[] annotations = new Annotation[num_annotations];

            for (int i = 0; i < num_annotations; i++)

                annotations[i] = new Annotation(cr);

            parameter_annotations[p] = annotations;

        }

    }

    protected RuntimeParameterAnnotations_attribute(int name_index, Annotation[][] parameter_annotations) {

        super(name_index, length(parameter_annotations));

        this.parameter_annotations = parameter_annotations;

    }

    private static int length(Annotation[][] anno_arrays) {

        int n = 1;

        for (Annotation[] anno_array: anno_arrays) {

            n += 2;

            for (Annotation anno: anno_array)

                n += anno.length();

        }

        return n;

    }

    public final Annotation[][] parameter_annotations;

}