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Micro Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2017-2021 Payara Foundation 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://github.com/payara/Payara/blob/master/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 glassfish/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* The Payara Foundation designates this particular file as subject to the "Classpath"
* exception as provided by the Payara Foundation 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:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.enterprise.admin.cli.optional;
import java.lang.reflect.Method;
import java.sql.DriverManager;
import java.sql.SQLException;
/**
* This class uses Java reflection to invoke H2 NetworkServerControl class. This
* class is used to start/stop/ping h2 database. The reason for creating this
* class instead of directly invoking NetworkServerControl from the
* StartDatabaseCommand class is so that a separate JVM is launched when
* starting the database and the control is return to CLI.
*/
public final class H2Control extends DBControl {
public static final String DB_LOG_FILENAME = "h2.log";
public static final String JDBC_DRIVER = "org.h2.Driver";
public H2Control(final String dbCommand, final String dbHost, final String dbPort,
final String redirect, final String dbHome, final String dbUser, final String dbPassword) {
super(dbCommand, dbHost, dbPort, redirect, dbHome, dbUser, dbPassword);
// Do not set h2.system.home if dbHome is empty
if (getDbHome() != null && getDbHome().length() > 0) {
System.setProperty("h2.system.home", getDbHome());
}
// Set the property to not overwrite log file
System.setProperty("h2.infolog.append", "true");
}
public H2Control(final String dbCommand, final String dbHost, final String dbPort) {
this(dbCommand, dbHost, dbPort, "true", null, null, null);
}
public H2Control(final String dbCommand, final String dbHost, final String dbPort, final String redirect) {
this(dbCommand, dbHost, dbPort, redirect, null, null, null);
}
public H2Control(final String dbCommand, final String dbHost, final String dbPort, final String redirect, final String dbHome) {
this(dbCommand, dbHost, dbPort, redirect, dbHome, null, null);
}
public H2Control(final String dbCommand, final String dbHost, final String dbPort, final String redirect, final String dbUser, final String dbPassword) {
this(dbCommand, dbHost, dbPort, redirect, null, dbUser, dbPassword);
}
/**
* This method invokes the H2's org.h2.tools.Server to start/stop/ping/sysinfo the database.
*/
private void invokeServer() {
try {
Class serverClass = Class.forName("org.h2.tools.Server");
String dbPassword = getDbPassword() == null ? "changeit" : getDbPassword();
String url = "tcp://localhost:" + getDbPort();
if (null != getDbCommand())
switch (getDbCommand()) {
case "start": {
Method createTcpServer = serverClass.getDeclaredMethod("createTcpServer",
new Class[]{String[].class});
Object[] paramObj = new Object[]{new String[]{"-tcpPort", getDbPort(), "-tcpPassword", dbPassword, "-ifNotExists"}};
Object server = createTcpServer.invoke(serverClass, paramObj);
serverClass.getDeclaredMethod("start").invoke(server);
System.out.println(serverClass.getDeclaredMethod("getStatus").invoke(server));
break;
}
case "ping":
Class.forName(JDBC_DRIVER);
try {
DriverManager
.getConnection(String.format("jdbc:h2:%s/mem:management_db_%s", url, getDbPort()), "", dbPassword)
.close();
} catch (SQLException sqle) {
Runtime.getRuntime().exit(2);
}
break;
case "sysinfo": {
Method createTcpServer = serverClass.getDeclaredMethod("createTcpServer",
new Class[]{String[].class});
Object[] paramObj = new Object[]{new String[]{"-tcpPort", getDbPort(), "-tcpAllowOthers"}};
Object server = createTcpServer.invoke(serverClass, paramObj);
System.out.println(serverClass.getDeclaredMethod("getURL").invoke(server));
break;
}
case "shutdown": {
Method shutdownTcpServer = serverClass.getDeclaredMethod("shutdownTcpServer",
new Class[]{String.class, String.class, boolean.class, boolean.class});
Object[] paramObj = new Object[]{url, dbPassword, true, true};
shutdownTcpServer.invoke(serverClass, paramObj);
break;
}
default:
break;
}
} catch (Throwable t) {
t.printStackTrace();
Runtime.getRuntime().exit(2);
}
}
@Override
public String getLogFileName() {
return DB_LOG_FILENAME;
}
public static void main(String[] args) {
if (args.length < 3) {
System.out.println("paramters not specified.");
System.out.println("H2Control ");
System.exit(1);
}
H2Control h2Control = null;
if (args.length == 3) {
h2Control = new H2Control(args[0], args[1], args[2]);
} else if (args.length == 4) {
h2Control = new H2Control(args[0], args[1], args[2], args[3]);
} else if (args.length == 5) {
h2Control = new H2Control(args[0], args[1], args[2], args[3], args[4]);
} else if (args.length > 5) {
h2Control = new H2Control(args[0], args[1], args[2], args[3], args[4], args[5]);
}
if (h2Control != null) {
h2Control.invokeServer();
}
}
}