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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2012 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 */
package com.sun.enterprise.admin.cli.optional;

import com.sun.enterprise.admin.cli.CLIProcessExecutor;
import com.sun.enterprise.admin.cli.CLIUtil;
import com.sun.enterprise.admin.cli.Environment;
import com.sun.enterprise.admin.cli.ProgramOptions;
import com.sun.enterprise.universal.i18n.LocalStringsImpl;
import com.sun.enterprise.universal.io.SmartFile;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.glassfish.api.Param;
import org.glassfish.api.admin.CommandException;
import org.glassfish.api.admin.CommandValidationException;
import org.glassfish.hk2.api.PerLookup;
import org.jvnet.hk2.annotations.Service;

/**
 * stop-database command This command class will invoke DBControl to stop the
 * database.
 *
 * @author Jane Young
 * @author Bill Shannon
 */
@Service(name = "stop-database")
@PerLookup
public final class StopDatabaseCommand extends DatabaseCommand {

    @Param(name = "dbuser", optional = true)
    private String dbUser;

    private File dbPasswordFile;
    private String dbPassword;

    private static final LocalStringsImpl strings
            = new LocalStringsImpl(StopDatabaseCommand.class);

    /**
     * Defines the command to stop the database.
     *
     * @return
     */
    public String[] stopDatabaseCmd() throws Exception {
        passwords = new HashMap<>();
        String passwordfile = this.getOption(ProgramOptions.PASSWORDFILE);
        if (passwordfile != null) {
            dbPasswordFile = new File(passwordfile);
            dbPasswordFile = SmartFile.sanitize(dbPasswordFile);
        }
        if (dbPasswordFile != null) {
            passwords
                    = CLIUtil.readPasswordFileOptions(dbPasswordFile.getPath(), true);
            dbPassword = passwords.get(Environment.getPrefix() + "DBPASSWORD");
        }
        List cmd = new ArrayList<>();
        cmd.add(sJavaHome + File.separator + "bin" + File.separator + "java");
        cmd.add("-Djava.library.path=" + sInstallRoot + File.separator + "lib");
        cmd.addAll(dbManager.getSystemProperty());
        cmd.add("-cp");
        cmd.add(sClasspath + File.pathSeparator + sDatabaseClasspath);
        cmd.add(dbManager.getDBControl().getName());
        cmd.add("shutdown");
        cmd.add(dbHost);
        cmd.add(dbPort);
        cmd.add("false");
        if (dbUser != null && dbPassword != null) {
            cmd.add(dbUser);
            cmd.add(dbPassword);
        }
        return cmd.toArray(new String[cmd.size()]);
    }

    /**
     * Executes the command
     *
     * @throws CommandException
     */
    @Override
    protected int executeCommand()
            throws CommandException, CommandValidationException {
        try {
            prepareProcessExecutor();
            CLIProcessExecutor cpe = new CLIProcessExecutor();
            cpe.execute("pingDatabaseCmd", pingDatabaseCmd(false), true);
            if (cpe.exitValue() > 0) {
                // if ping is unsuccesfull then database is not up and running
                throw new CommandException(
                        strings.get("StopDatabaseStatus", dbHost, dbPort));
            } else if (cpe.exitValue() < 0) {
                // Something terribly wrong!
                throw new CommandException(
                        strings.get("UnableToStopDatabase", dbManager.getLogFileName()));
            } else {
                // Database is running so go ahead and stop the database
                cpe.execute("stopDatabaseCmd", stopDatabaseCmd(), true);
                if (cpe.exitValue() > 0) {
                    throw new CommandException(
                            strings.get("UnableToStopDatabase", dbManager.getLogFileName()));
                }
            }
        } catch (Exception e) {
            throw new CommandException(
                    strings.get("UnableToStopDatabase", dbManager.getLogFileName()), e);
        }
        return 0;
    }
}