/*

 * 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

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 */

/*

 * This file is available under and governed by the GNU General Public

 * License version 2 only, as published by the Free Software Foundation.

 * However, the following notice accompanied the original version of this

 * file:

 *

 * ASM: a very small and fast Java bytecode manipulation framework

 * Copyright (c) 2000-2011 INRIA, France Telecom

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of the copyright holders nor the names of its

 *    contributors may be used to endorse or promote products derived from

 *    this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF

 * THE POSSIBILITY OF SUCH DAMAGE.

 */

package jdk.internal.org.objectweb.asm.commons;

import jdk.internal.org.objectweb.asm.ModuleVisitor;

import jdk.internal.org.objectweb.asm.Opcodes;

/**

 * A {@link ModuleVisitor} that remaps types with a {@link Remapper}.

 *

 * @author Remi Forax

 */

public class ModuleRemapper extends ModuleVisitor {

    /** The remapper used to remap the types in the visited module. */

    protected final Remapper remapper;

    /**

      * Constructs a new {@link ModuleRemapper}. <i>Subclasses must not use this constructor</i>.

      * Instead, they must use the {@link #ModuleRemapper(int,ModuleVisitor,Remapper)} version.

      *

      * @param moduleVisitor the module visitor this remapper must deleted to.

      * @param remapper the remapper to use to remap the types in the visited module.

      */

    public ModuleRemapper(final ModuleVisitor moduleVisitor, final Remapper remapper) {

        this(/* latest api = */ Opcodes.ASM8, moduleVisitor, remapper);

    }

    /**

      * Constructs a new {@link ModuleRemapper}.

      *

      * @param api the ASM API version supported by this remapper. Must be one of {@link

      *     jdk.internal.org.objectweb.asm.Opcodes#ASM4}, {@link jdk.internal.org.objectweb.asm.Opcodes#ASM5}, {@link

      *     jdk.internal.org.objectweb.asm.Opcodes#ASM6}, {@link jdk.internal.org.objectweb.asm.Opcodes#ASM7} or {@link

      *     jdk.internal.org.objectweb.asm.Opcodes#ASM8}.

      * @param moduleVisitor the module visitor this remapper must deleted to.

      * @param remapper the remapper to use to remap the types in the visited module.

      */

    protected ModuleRemapper(

            final int api, final ModuleVisitor moduleVisitor, final Remapper remapper) {

        super(api, moduleVisitor);

        this.remapper = remapper;

    }

    @Override

    public void visitMainClass(final String mainClass) {

        super.visitMainClass(remapper.mapType(mainClass));

    }

    @Override

    public void visitPackage(final String packaze) {

        super.visitPackage(remapper.mapPackageName(packaze));

    }

    @Override

    public void visitRequire(final String module, final int access, final String version) {

        super.visitRequire(remapper.mapModuleName(module), access, version);

    }

    @Override

    public void visitExport(final String packaze, final int access, final String... modules) {

        String[] remappedModules = null;

        if (modules != null) {

            remappedModules = new String[modules.length];

            for (int i = 0; i < modules.length; ++i) {

                remappedModules[i] = remapper.mapModuleName(modules[i]);

            }

        }

        super.visitExport(remapper.mapPackageName(packaze), access, remappedModules);

    }

    @Override

    public void visitOpen(final String packaze, final int access, final String... modules) {

        String[] remappedModules = null;

        if (modules != null) {

            remappedModules = new String[modules.length];

            for (int i = 0; i < modules.length; ++i) {

                remappedModules[i] = remapper.mapModuleName(modules[i]);

            }

        }

        super.visitOpen(remapper.mapPackageName(packaze), access, remappedModules);

    }

    @Override

    public void visitUse(final String service) {

        super.visitUse(remapper.mapType(service));

    }

    @Override

    public void visitProvide(final String service, final String... providers) {

        String[] remappedProviders = new String[providers.length];

        for (int i = 0; i < providers.length; ++i) {

            remappedProviders[i] = remapper.mapType(providers[i]);

        }

        super.visitProvide(remapper.mapType(service), remappedProviders);

    }

}