/*

 * Copyright (c) 2015, 2018, 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.packager.internal;

import java.text.MessageFormat;

import java.util.Map;

import java.util.ResourceBundle;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

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

/**

 */

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.packager.internal.resources.AbstractImageBundler");

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

             throws ConfigException {

        StandardBundlerParam.validateMainClassInfoFromAppResources(p);

        boolean hasMainJar = MAIN_JAR.fetchFrom(p) != null;

        boolean hasMainModule =

                StandardBundlerParam.MODULE.fetchFrom(p) != null;

        boolean hasMainClass = MAIN_CLASS.fetchFrom(p) != null;

        boolean jreInstaller = Arguments.CREATE_JRE_INSTALLER.fetchFrom(p);

        if (!hasMainJar && !hasMainModule && !hasMainClass && !jreInstaller) {

            throw new ConfigException(

                    I18N.getString("error.no-application-class"),

                    I18N.getString("error.no-application-class.advice"));

        }

    }

    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", "");

            }

        }

    }

}