/*

 * Copyright (c) 2015, 2019, 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

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 */

package jdk.jpackage.internal;

import java.text.MessageFormat;

import java.util.Map;

import java.util.ResourceBundle;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import java.io.File;

import java.io.IOException;

import static jdk.jpackage.internal.StandardBundlerParam.*;

/**

 * AbstractImageBundler

 *

 * This is the base class for each of the Application Image Bundlers.

 *

 * It contains methods and parameters common to all Image Bundlers.

 *

 * Application Image Bundlers are created in "create-app-image" mode,

 *

 * The concrete implementations are in the platform specific Bundlers.

 */

public abstract class AbstractImageBundler extends AbstractBundler {

    private final static String JAVA_VERSION_SPEC =

        "java version \"((\\d+).(\\d+).(\\d+).(\\d+))(-(.*))?(\\+[^\"]*)?\"";

    private static final ResourceBundle I18N = ResourceBundle.getBundle(

            "jdk.jpackage.internal.resources.MainResources");

    public void imageBundleValidation(Map<String, ? super Object> p)

             throws ConfigException {

        StandardBundlerParam.validateMainClassInfoFromAppResources(p);

    }

    public static void extractFlagsFromVersion(

            Map<String, ? super Object> params, String versionOutput) {

        Pattern bitArchPattern = Pattern.compile("(\\d*)[- ]?[bB]it");

        Matcher matcher = bitArchPattern.matcher(versionOutput);

        if (matcher.find()) {

            params.put(".runtime.bit-arch", matcher.group(1));

        } else {

            // presume 32 bit on no match

            params.put(".runtime.bit-arch", "32");

        }

        Pattern oldVersionMatcher = Pattern.compile(

                "java version \"((\\d+.(\\d+).\\d+)(_(\\d+)))?(-(.*))?\"");

        matcher = oldVersionMatcher.matcher(versionOutput);

        if (matcher.find()) {

            params.put(".runtime.version", matcher.group(1));

            params.put(".runtime.version.release", matcher.group(2));

            params.put(".runtime.version.major", matcher.group(3));

            params.put(".runtime.version.update", matcher.group(5));

            params.put(".runtime.version.minor", matcher.group(5));

            params.put(".runtime.version.security", matcher.group(5));

            params.put(".runtime.version.patch", "0");

            params.put(".runtime.version.modifiers", matcher.group(7));

        } else {

            Pattern newVersionMatcher = Pattern.compile(JAVA_VERSION_SPEC);

            matcher = newVersionMatcher.matcher(versionOutput);

            if (matcher.find()) {

                params.put(".runtime.version", matcher.group(1));

                params.put(".runtime.version.release", matcher.group(1));

                params.put(".runtime.version.major", matcher.group(2));

                params.put(".runtime.version.update", matcher.group(3));

                params.put(".runtime.version.minor", matcher.group(3));

                params.put(".runtime.version.security", matcher.group(4));

                params.put(".runtime.version.patch", matcher.group(5));

                params.put(".runtime.version.modifiers", matcher.group(7));

            } else {

                params.put(".runtime.version", "");

                params.put(".runtime.version.release", "");

                params.put(".runtime.version.major", "");

                params.put(".runtime.version.update", "");

                params.put(".runtime.version.minor", "");

                params.put(".runtime.version.security", "");

                params.put(".runtime.version.patch", "");

                params.put(".runtime.version.modifiers", "");

            }

        }

    }

    protected File createRoot(Map<String, ? super Object> p,

            File outputDirectory, boolean dependentTask, String name)

            throws PackagerException {

        if (!outputDirectory.isDirectory() && !outputDirectory.mkdirs()) {

            throw new RuntimeException(MessageFormat.format(

                    I18N.getString("error.cannot-create-output-dir"),

                    outputDirectory.getAbsolutePath()));

        }

        if (!outputDirectory.canWrite()) {

            throw new RuntimeException(MessageFormat.format(

                    I18N.getString("error.cannot-write-to-output-dir"),

                    outputDirectory.getAbsolutePath()));

        }

        if (!dependentTask) {

            Log.verbose(MessageFormat.format(

                    I18N.getString("message.creating-app-bundle"),

                    name, outputDirectory.getAbsolutePath()));

        }

        // NAME will default to CLASS, so the real problem is no MAIN_CLASS

        if (name == null) {

            throw new PackagerException("ERR_NoMainClass");

        }

        // Create directory structure

        File rootDirectory = new File(outputDirectory, name);

        if (rootDirectory.exists()) {

            throw new PackagerException("error.root-exists",

                    rootDirectory.getAbsolutePath());

        }

        rootDirectory.mkdirs();

        return rootDirectory;

    }

}