Added demo code.

This commit is contained in:
Christian P. MOMON 2017-04-25 19:49:37 +02:00
parent feddf34744
commit b84362e31f
10 changed files with 459 additions and 23 deletions

View file

@ -25,6 +25,6 @@
<classpathentry kind="lib" path="lib/hsqldb-2.3.0.jar"/>
<classpathentry kind="lib" path="lib/commons-io-2.4-sources.jar"/>
<classpathentry kind="lib" path="lib/commons-io-2.4.jar" sourcepath="lib/commons-io-2.4-sources.jar"/>
<classpathentry kind="lib" path="lib/devinsy-utils-0.3.3.jar"/>
<classpathentry kind="lib" path="lib/devinsy-utils-0.3.3.jar" sourcepath="lib/devinsy-utils-0.3.3-sources.zip"/>
<classpathentry kind="output" path="bin"/>
</classpath>

View file

@ -20,12 +20,14 @@ package fr.devinsy.sikevadb;
import java.io.File;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.PropertyConfigurator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import fr.devinsy.sikevadb.cli.SikevaDBCLI;
import fr.devinsy.sikevadb.demo.SikevaDBDemo;
/**
* This class Siba stands for Simple Backup. This is the main class.
@ -70,6 +72,10 @@ public final class SikevaDBLauncher
// TODO
// SikevaGUI.run();
}
else if (ArrayUtils.contains(args, "-demo"))
{
SikevaDBDemo.run(args);
}
else
{
SikevaDBCLI.run(args);

View file

@ -36,6 +36,8 @@ public interface Archiver
void clear() throws SikevaDBException;
void close();
boolean isActivated();
boolean isSuspended();

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@ -41,6 +41,8 @@ public interface SikevaDB
public void create() throws SikevaDBException;
public void destroy() throws SikevaDBException;
public Element getElement(String key) throws SikevaDBException;
public Element getElement(String key, String subkey) throws SikevaDBException;

View file

@ -34,8 +34,9 @@ public class SikevaDBFactory
*
* @param path
* @return
* @throws SikevaDBException
*/
public static SikevaDB get(final File path)
public static SikevaDB get(final File path) throws SikevaDBException
{
SikevaDB result;

View file

@ -0,0 +1,256 @@
/**
* Copyright (C) 2013-2017 Christian Pierre MOMON <christian.momon@devinsy.fr>
*
* This file is part of SikevaDB, simple key value database.
*
* SikevaDB is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* SikevaDB 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with SikevaDB. If not, see <http://www.gnu.org/licenses/>.
*/
package fr.devinsy.sikevadb.demo;
import java.io.File;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.PropertyConfigurator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import utils.BuildInformation;
import fr.devinsy.sikevadb.core.SikevaDB;
import fr.devinsy.sikevadb.core.SikevaDBException;
import fr.devinsy.sikevadb.core.SikevaDBFactory;
import fr.devinsy.util.strings.StringList;
/**
* This class manage a Command Line Interface for SikevaDB.
*
*
*/
public final class SikevaDBDemo
{
private static Logger logger = LoggerFactory.getLogger(SikevaDBDemo.class);
/**
*
*/
private SikevaDBDemo()
{
}
/**
* @throws SikevaDBException
*
*/
public static void demo() throws SikevaDBException
{
SikevaDB database = null;
try
{
File homeDirectory = new File("/tmp/footest");
database = SikevaDBFactory.get(homeDirectory);
if (database.isCreated())
{
database.destroy();
}
database.create();
database.open();
// Single key value.
{
database.put("alpha", "alpha value");
database.put("bravo", "bravo value");
database.put("charlie", "charlie value");
String value = database.getValue("alpha");
if (StringUtils.equals(value, "alpha value"))
{
System.out.println("alpha is correctly stored.");
}
else
{
System.out.println("alpha is NOT correctly stored.");
}
//
database.remove("alpha");
if (database.getValue("alpha") == null)
{
System.out.println("alpha is correctly removed.");
}
else
{
System.out.println("alpha is NOT correctly removed.");
}
}
// Double key values.
{
for (int index = 0; index < 10; index++)
{
database.put("victor", String.valueOf(index), "victor" + index);
}
String value = database.getValue("victor", String.valueOf(7));
if (StringUtils.equals(value, "victor7"))
{
System.out.println("victor is correctly stored.");
}
else
{
System.out.println("victor is NOT correctly stored.");
}
//
database.remove("victor", String.valueOf(5));
if (database.getValue("victor", String.valueOf(5)) == null)
{
System.out.println("(victor, 5) is correctly removed.");
}
else
{
System.out.println("(victor, 5) is NOT correctly removed.");
}
}
//
database.close();
}
finally
{
if ((database != null) && (database.isCreated()))
{
database.destroy();
}
}
}
/**
* This method displays the CLI help.
*
*/
public static void help()
{
StringList message = new StringList();
message.append("SikevaDB Demo version ").appendln(BuildInformation.instance().version());
message.appendln("Usage:");
message.appendln(" sikevadbdemo [ -h | -help | --help ]");
message.appendln(" sikevadb -demo [ -h | -help | --help ]");
System.out.println(message.toString());
}
/**
*
* @param args
*/
public static void main(final String[] args)
{
// Configure log.
File loggerConfig = new File("log4j.properties");
if (loggerConfig.exists())
{
PropertyConfigurator.configure(loggerConfig.getAbsolutePath());
logger.info("Dedicated log configuration done.");
logger.info("Configuration file was found in [{}].", loggerConfig.getAbsoluteFile());
}
else
{
BasicConfigurator.configure();
logger.info("Basic log configuration done.");
logger.info("Configuration file was not found in [{}].", loggerConfig.getAbsoluteFile());
}
// Run.
SikevaDBDemo.run(args);
}
/**
*
* This method launch CLI.
*
* @param args
* necessary arguments
*/
public static void run(final String[] args)
{
try
{
// Set default catch.
Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler()
{
@Override
public void uncaughtException(final Thread thread, final Throwable exception)
{
String message;
if (exception instanceof OutOfMemoryError)
{
message = "Java ran out of memory!\n\n";
}
else
{
message = String.format("An error occured: %1s(%2s)", exception.getClass(), exception.getMessage());
}
logger.error("uncaughtException ", exception);
logger.error(message);
logger.info("Oups, an unexpected error occured. Please try again.");
}
});
// This part implements an automate.
int parameterCount = args.length;
if (parameterCount == 0)
{
demo();
}
else if (StringUtils.equals(args[0], "-h") || StringUtils.equals(args[0], "-help") || StringUtils.equals(args[0], "--help"))
{
help();
}
else if (StringUtils.equals(args[0], "get"))
{
switch (parameterCount)
{
case 2:
{
}
break;
case 3:
{
}
break;
default:
throw new SikevaDBException("Bad parameter count.");
}
}
else
{
System.out.println("Bad usage detected.");
help();
}
}
catch (SikevaDBException exception)
{
System.err.println("SibaException = " + exception.getMessage());
logger.error(exception.getMessage(), exception);
help();
}
}
}

View file

@ -0,0 +1,65 @@
/**
* Copyright (C) 2013-2017 Christian Pierre MOMON <christian.momon@devinsy.fr>
*
* This file is part of SikevaDB, simple key value database.
*
* SikevaDB is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* SikevaDB 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with SikevaDB. If not, see <http://www.gnu.org/licenses/>.
*/
package fr.devinsy.sikevadb.demo;
import fr.devinsy.sikevadb.core.SikevaDBException;
/**
*
*/
public class SikevaDBDemoException extends SikevaDBException
{
private static final long serialVersionUID = 1162267847144476595L;
/**
*
*/
public SikevaDBDemoException()
{
super();
}
/**
*
* @param message
*/
public SikevaDBDemoException(final String message)
{
super(message);
}
/**
*
* @param message
* @param cause
*/
public SikevaDBDemoException(final String message, final Throwable cause)
{
super(message, cause);
}
/**
*
* @param cause
*/
public SikevaDBDemoException(final Throwable cause)
{
super(cause);
}
}

View file

@ -97,6 +97,15 @@ public class FileTreeArchiver implements Archiver
}
/**
*
*/
@Override
public void close()
{
// TODO
}
/**
*
* @return

View file

@ -22,6 +22,8 @@ import java.io.File;
import java.io.IOException;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.SystemUtils;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;
import org.slf4j.Logger;
@ -32,6 +34,7 @@ import fr.devinsy.sikevadb.core.Element;
import fr.devinsy.sikevadb.core.Elements;
import fr.devinsy.sikevadb.core.SikevaDB;
import fr.devinsy.sikevadb.core.SikevaDBException;
import fr.devinsy.util.ToolBox;
import fr.devinsy.util.strings.StringList;
/**
@ -63,7 +66,7 @@ public class FileTreeSikevaDB implements SikevaDB
private Status status;
private String login;
private String password;
private File fileTreeDirectory;
private File homeDirectory;
private File dataDirectory;
private Archiver archiver;
private File configDirectory;
@ -71,16 +74,28 @@ public class FileTreeSikevaDB implements SikevaDB
/**
*
* @param contextName
* @throws SikevaDBException
*/
public FileTreeSikevaDB(final File fileTreeDirectory, final String login, final String password)
public FileTreeSikevaDB(final File homeDirectory, final String login, final String password) throws SikevaDBException
{
this.status = Status.CLOSED;
this.fileTreeDirectory = fileTreeDirectory;
this.dataDirectory = new File(this.fileTreeDirectory, "data");
this.configDirectory = new File(this.fileTreeDirectory, "config");
this.login = login;
this.password = password;
this.archiver = null;
if (homeDirectory == null)
{
throw new SikevaDBException("Invalid home directory (null).");
}
else if (StringUtils.equals(homeDirectory.getAbsolutePath(), "/"))
{
throw new SikevaDBException("Invalide home directory (file system root).");
}
else
{
this.status = Status.CLOSED;
this.homeDirectory = homeDirectory;
this.dataDirectory = new File(this.homeDirectory, "data");
this.configDirectory = new File(this.homeDirectory, "config");
this.login = login;
this.password = password;
this.archiver = null;
}
}
/**
@ -118,7 +133,7 @@ public class FileTreeSikevaDB implements SikevaDB
@Override
public void close()
{
this.archiver = null;
this.archiver.close();
this.status = Status.CLOSED;
}
@ -224,22 +239,83 @@ public class FileTreeSikevaDB implements SikevaDB
{
throw new SikevaDBException("Invalid state.");
}
else if (this.fileTreeDirectory == null)
else if (this.homeDirectory == null)
{
throw new SikevaDBException("Invalid root directory.");
}
else if (this.fileTreeDirectory.exists())
else if (this.homeDirectory.exists())
{
throw new SikevaDBException("Root directory already is existing.");
}
else
{
this.fileTreeDirectory.mkdir();
this.homeDirectory.mkdir();
this.dataDirectory.mkdir();
this.configDirectory.mkdir();
}
}
/**
*
*/
@Override
public void destroy() throws SikevaDBException
{
if (this.homeDirectory == null)
{
throw new SikevaDBException("Invalid home directory (undefined), destroy operation is cancelled.");
}
else
{
String databaseHome = this.homeDirectory.getAbsolutePath();
databaseHome = StringUtils.removeEnd(databaseHome, "/.");
if (StringUtils.isBlank(databaseHome))
{
throw new SikevaDBException("Invalid home directory (blank), destroy operation is cancelled.");
}
else if (this.dataDirectory == null)
{
throw new SikevaDBException("Invalid data directory (undefined), destroy operation is cancelled.");
}
else if (StringUtils.isBlank(this.dataDirectory.getAbsolutePath()))
{
throw new SikevaDBException("Invalid data directory (blank), destroy operation is cancelled.");
}
else if (this.configDirectory == null)
{
throw new SikevaDBException("Invalid config directory (undefined), destroy operation is cancelled.");
}
else if (StringUtils.isBlank(this.configDirectory.getAbsolutePath()))
{
throw new SikevaDBException("Invalid config directory (blank), destroy operation is cancelled.");
}
else if (ToolBox.matchesAny(databaseHome, "/", "/root", "/usr", "/home", "/tmp", "/var", "/srv", "/boot"))
{
throw new SikevaDBException("Invalid home directory (system file), destroy operation is cancelled.");
}
else if (StringUtils.equals(databaseHome, SystemUtils.USER_HOME))
{
throw new SikevaDBException("Invalid config directory (), destroy operation is cancelled.");
}
else if (isCreated())
{
try
{
FileUtils.deleteDirectory(this.homeDirectory);
}
catch (IOException exception)
{
throw new SikevaDBException("Error destroying database. You have to achieve the operation manually.", exception);
}
}
else
{
throw new SikevaDBException("Impossible to destroy a none existing database.");
}
}
}
/**
*
* @return
@ -397,7 +473,7 @@ public class FileTreeSikevaDB implements SikevaDB
*/
public File getFileTreeDirectory()
{
return this.fileTreeDirectory;
return this.homeDirectory;
}
/**
@ -657,7 +733,7 @@ public class FileTreeSikevaDB implements SikevaDB
{
boolean result;
if ((this.fileTreeDirectory.isDirectory()) && (this.dataDirectory.isDirectory()) && (this.configDirectory.isDirectory()))
if ((this.homeDirectory.isDirectory()) && (this.dataDirectory.isDirectory()) && (this.configDirectory.isDirectory()))
{
result = true;
}
@ -819,12 +895,22 @@ public class FileTreeSikevaDB implements SikevaDB
@Override
public void open() throws SikevaDBException
{
//
close();
//
this.status = Status.OPENED;
this.archiver = new FileTreeArchiver(this);
if (isCreated())
{
if (isOpened())
{
throw new SikevaDBException("Database already opened.");
}
else
{
this.status = Status.OPENED;
this.archiver = new FileTreeArchiver(this);
}
}
else
{
throw new SikevaDBException("Database is not existing.");
}
}
/**

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@ -445,6 +445,15 @@ public class SQLSikevaDB implements SikevaDB
}
}
/**
*
*/
@Override
public void destroy() throws SikevaDBException
{
// TODO
}
/**
*
* @param id