/*

 * Copyright (c) 2014, 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 jdk.tools.jlink.internal;

import java.nio.file.Path;

import java.util.Objects;

import jdk.tools.jlink.internal.Archive.Entry.EntryType;

/**

 * An Archive backed by a jmod file.

 */

public class JmodArchive extends JarArchive {

    private static final String MODULE_NAME = "module";

    private static final String MODULE_INFO = "module-info.class";

    private static final String CLASSES     = "classes";

    private static final String NATIVE_LIBS = "native";

    private static final String NATIVE_CMDS = "bin";

    private static final String CONFIG      = "conf";

    public JmodArchive(String mn, Path jmod) {

        super(mn, jmod);

        String filename = Objects.requireNonNull(jmod.getFileName()).toString();

            throw new UnsupportedOperationException("Unsupported format: " + filename);

    }

    @Override

    EntryType toEntryType(String entryName) {

        String section = getSection(entryName.replace('\\', '/'));

        switch (section) {

            case CLASSES:

                return EntryType.CLASS_OR_RESOURCE;

            case NATIVE_LIBS:

                return EntryType.NATIVE_LIB;

            case NATIVE_CMDS:

                return EntryType.NATIVE_CMD;

            case CONFIG:

                return EntryType.CONFIG;

            case MODULE_NAME:

                return EntryType.MODULE_NAME;

            default:

                throw new InternalError("unexpected entry: " + section);

        }

    }

    private static String getSection(String entryName) {

        int i = entryName.indexOf('/');

        // Unnamed section.

        String section = "";

        if (i > 0) {

            section = entryName.substring(0, entryName.indexOf('/'));

        }

        return section;

    }

    @Override

    String getFileName(String entryName) {

        entryName = entryName.replace('\\', '/');

        return entryName.substring(entryName.indexOf('/') + 1);

    }

}