/*

 * Copyright (c) 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.

 *

 * 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.

 */

import jdk.test.lib.util.JarUtils;

import java.io.File;

import java.io.IOException;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.jar.Attributes;

import java.util.jar.Manifest;

/**

 * Launches a new Java process using -jar Java option.

 */

public class TestProcessJarLauncher extends TestProcessLauncher {

    private static final String JAR_FILE = "testprocess.jar";

    public TestProcessJarLauncher(String className) {

        super(className);

    }

    protected String prepareLaunch(String javaExec, String pipePort) {

        try {

            File jarFile = prepareJar();

            return javaExec + " -jar " + jarFile.getAbsolutePath() + " -pipe.port=" + pipePort;

        } catch (IOException e) {

            throw new RuntimeException("Failed to prepare a jar file", e);

        }

    }

    private File prepareJar() throws IOException {

        Path jarFile = USER_DIR.resolve(JAR_FILE);

        Manifest manifest = createManifest();

        Path testClass = TEST_CLASSES_DIR.resolve(className + ".class");

        JarUtils.createJarFile(jarFile, manifest, TEST_CLASSES_DIR, Paths.get("."));

        return jarFile.toFile();

    }

    private Manifest createManifest() {

        Manifest manifest = new Manifest();

        manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");

        manifest.getMainAttributes().put(Attributes.Name.MAIN_CLASS, className);

        return manifest;

    }

    public String getJarFile() {

        return JAR_FILE;

    }

}