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Embedded-Web Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2017 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 com.sun.enterprise.util.i18n.StringManager;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import com.sun.enterprise.util.io.FileUtils;
import org.glassfish.api.admin.CommandException;
/**
*
* @author jGauravGupta
*/
public abstract class DBControl {
private final String dbHost;
private final String dbPort;
private final String dbUser;
private final String dbPassword;
private final String dbHome;
private final String dbCommand;
private boolean redirect;
protected DBControl(final String dbCommand, final String dbHost, final String dbPort,
final String redirect, final String dbHome, final String dbUser, final String dbPassword) {
this.dbCommand = dbCommand;
this.dbHost = dbHost;
this.dbPort = dbPort;
this.redirect = Boolean.parseBoolean(redirect);
this.dbHome = dbHome;
this.dbUser = dbUser;
this.dbPassword = dbPassword;
if (this.redirect) {
try {
String dbLog;
if (this.dbHome == null) {
// if dbHome is null then redirect the output to a temporary file
// which gets deleted after the jvm exists.
dbLog = createTempLogFile();
} else {
dbLog = createDBLog(this.dbHome);
}
// Redirect stdout and stderr to a file
try (PrintStream printStream = new PrintStream(new FileOutputStream(dbLog, true), true)) {
System.setOut(printStream);
System.setErr(printStream);
}
} catch (Throwable t) {
t.printStackTrace();
// Exit with an error code of 2
Runtime.getRuntime().exit(2);
}
}
}
/**
* create a db.log file that stdout/stderr will redirect to. dbhome is the
* h2.system.home directory where derb.log gets created. if user specified
* --dbhome options, ${db}.log will be created there.
*
* @param dbHome
* @return
* @throws java.lang.Exception
*/
private String createDBLog(final String dbHome) throws Exception {
// dbHome must exist and have write permission
final File fDBHome = new File(dbHome);
String dbLogFilePath;
final StringManager localManager = StringManager.getManager(this.getClass());
if (fDBHome.isDirectory() && fDBHome.canWrite()) {
final File fDBLog = new File(dbHome, getLogFileName());
dbLogFilePath = fDBLog.toString();
// if the file exists, check if it is writeable
if (fDBLog.exists() && !fDBLog.canWrite()) {
System.out.println(localManager.getString("UnableToAccessDatabaseLog", getLogFileName(), dbLogFilePath));
System.out.println(localManager.getString("ContinueStartingDatabase"));
// if exist but not able to write then create a temporary
// log file and persist on starting the database
dbLogFilePath = createTempLogFile();
} else if (!fDBLog.exists()) {
// Create the log file
if (!fDBLog.createNewFile()) {
System.out.println(localManager.getString("UnableToCreateDatabaseLog", getLogFileName(), dbLogFilePath));
}
}
} else {
System.out.println(localManager.getString("InvalidDBDirectory", dbHome));
System.out.println(localManager.getString("ContinueStartingDatabase"));
// if directory does not exist then create a temporary log file
// and persist on starting the database
dbLogFilePath = createTempLogFile();
}
return dbLogFilePath;
}
/**
* creates a temporary log file.
*
* @return
* @throws org.glassfish.api.admin.CommandException
*/
private String createTempLogFile() throws CommandException {
String tempFileName = "";
try {
final File fTemp = File.createTempFile("foo", null);
FileUtils.deleteOnExit(fTemp);
tempFileName = fTemp.toString();
} catch (IOException ioe) {
final StringManager localManager = StringManager.getManager(this.getClass());
throw new CommandException(localManager.getString("UnableToAccessDatabaseLog", tempFileName));
}
return tempFileName;
}
abstract String getLogFileName();
/**
* @return the dbHost
*/
public String getDbHost() {
return dbHost;
}
/**
* @return the dbPort
*/
public String getDbPort() {
return dbPort;
}
/**
* @return the dbUser
*/
public String getDbUser() {
return dbUser;
}
/**
* @return the dbPassword
*/
public String getDbPassword() {
return dbPassword;
}
/**
* @return the dbHome
*/
public String getDbHome() {
return dbHome;
}
/**
* @return the dbCommand
*/
public String getDbCommand() {
return dbCommand;
}
/**
* @return the redirect
*/
public boolean isRedirect() {
return redirect;
}
}