edu.ucar.unidata.wmotables

Class ApplicationInitialization

java.lang.Object

edu.ucar.unidata.wmotables.ApplicationInitialization

All Implemented Interfaces:

EventListener, javax.servlet.ServletContextListener

public class ApplicationInitialization
extends Object
implements javax.servlet.ServletContextListener

Done at application initialization

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.log4j.Logger	logger

Constructor Summary

Constructors

Constructor and Description
ApplicationInitialization()

Method Summary

Methods

Modifier and Type	Method and Description
void	contextDestroyed(javax.servlet.ServletContextEvent sce) Shutdown the database if it hasn't already been shutdown.
void	contextInitialized(javax.servlet.ServletContextEvent servletContextEvent) Find the application home (wmotables.home) and make sure it exists.
void	createDatabase(String wmotablesHome, String databaseSelected, javax.servlet.ServletContext servletContext) Creates a directory (and parent directories as needed) using the provided file.
void	createDirectory(File file) Creates a directory (and parent directories as needed) using the provided file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

protected static org.apache.log4j.Logger logger

Constructor Detail

ApplicationInitialization

public ApplicationInitialization()

Method Detail

contextInitialized

public void contextInitialized(javax.servlet.ServletContextEvent servletContextEvent)

Find the application home (wmotables.home) and make sure it exists. if not, create it. Find out what database was selected for use and create the database if it doesn't exist.

Specified by:

contextInitialized in interface javax.servlet.ServletContextListener

Parameters:

sce - The event class.

contextDestroyed

public void contextDestroyed(javax.servlet.ServletContextEvent sce)

Shutdown the database if it hasn't already been shutdown.

Specified by:

contextDestroyed in interface javax.servlet.ServletContextListener

Parameters:

sce - The event class.

createDirectory

public void createDirectory(File file)
                     throws RuntimeException

Creates a directory (and parent directories as needed) using the provided file.

Parameters:

file - The directory to create.

Throws:

RuntimeException - If we are unable to create the directory.

createDatabase

public void createDatabase(String wmotablesHome,
                  String databaseSelected,
                  javax.servlet.ServletContext servletContext)

Creates a directory (and parent directories as needed) using the provided file.

Parameters:

wmotablesHome - The value of wmotables.home.

databaseSelected - The value of wmotables.db.