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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
 * License. You can obtain a copy of the License at
 * http://www.netbeans.org/cddl-gplv2.html
 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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 * particular file as subject to the "Classpath" exception as provided
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 * accompanied this code. If applicable, add the following below the
 * License Header, with the fields enclosed by brackets [] replaced by
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 *
 * Contributor(s):
 *
 * The Original Software is NetBeans. The Initial Developer of the Original
 * Software is Sun Microsystems, Inc. Portions Copyright 2013 Sun
 * Microsystems, Inc. All Rights Reserved.
 *
 * If you wish your version of this file to be governed by only the CDDL
 * or only the GPL Version 2, indicate your decision by adding
 * "[Contributor] elects to include this software in this distribution
 * under the [CDDL or GPL Version 2] license." If you do not indicate a
 * single choice of license, a recipient has the option to distribute
 * your version of this file under either the CDDL, the GPL Version 2 or
 * to extend the choice of license to its licensees as provided above.
 * However, if you add GPL Version 2 code and therefore, elected the GPL
 * Version 2 license, then the option applies only if the new code is
 * made subject to such option by the copyright holder.
 *
 * Contributor(s): Thomas Ball
 *
 * Version: $Revision$
 */

package org.netbeans.modules.classfile;

import java.io.DataInputStream;
import java.io.IOException;

/**
 * An InnerClass attribute of a classfile.
 *
 * @author  Thomas Ball
 * @since 1.40
 */
public final class BootstrapMethod {

    int methodRef;
    int[] arguments;

    static BootstrapMethod[] loadBootstrapMethod(DataInputStream in, ConstantPool pool)
      throws IOException {
        int n = in.readUnsignedShort();
        BootstrapMethod[] innerClasses = new BootstrapMethod[n];
        for (int i = 0; i < n; i++)
            innerClasses[i] = new BootstrapMethod(in, pool);
        return innerClasses;
    }

    BootstrapMethod(DataInputStream in, ConstantPool pool) throws IOException {
        this.methodRef = in.readUnsignedShort();
        int args = in.readUnsignedShort();
        arguments = new int[args];
        for (int i = 0; i < args; i++) {
            arguments[i] = in.readUnsignedShort();
        }
    }

    public int getMethodRef() {
        return methodRef;
    }

    public int[] getArguments() {
        return arguments.clone();
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("bootstrapmethod=");
        sb.append(methodRef);
        sb.append("(");
        for (int i = 0; i < arguments.length; i++) {
            if (i > 0) sb.append(", ");
            sb.append(arguments[i]);
        }
        sb.append(")");
        return sb.toString();
    }
}
