com.objectwave.configuration.bean
Class EjbPropertyLookup

java.lang.Object
  |
  +--com.objectwave.configuration.bean.EjbPropertyLookup

All Implemented Interfaces:

CreationStrategy

public class EjbPropertyLookup

extends java.lang.Object

implements CreationStrategy

Attempt to find configuration property values from a ConfigurationService enterprise bean. By default it will look for a bean called "/ejb/ConfigurationService", but this can be changed by setting an enviroment entry in a deployment descriptor. The environment property is "ConfigurationServiceName". The value found (if any) will be the complete JNDI name used to find the configuration service.

Version:

$Id: EjbPropertyLookup.java,v 2.1 2001/12/21 20:27:54 dave_hoag Exp $

Author:

dhoag

Nested Class Summary

class

EjbPropertyLookup.FakeProperty An object that pretends to be a Properties object.

Field Summary

static java.lang.String	ejbConfigServiceJndiName Access ejb locally java:comp/env/ejb/ConfigurationService
static java.lang.String	ejbConfigServicePropertyName

Constructor Summary

EjbPropertyLookup()
Constructor for the EjbPropertyLookup object

Method Summary

ConfigurationServiceHome	getConfigurationServiceHome() Attempt to locate the central Enterprise ConfigurationService home.
javax.naming.Context	getContext() Gets the Context attribute of the FakeProperty object
java.util.Properties	getOrCreateProperties(java.lang.String categoryId, java.lang.Object context) Return an new 'Property' object that will query the ConfigurationService enterprise bean for property values.
void	initServiceHome() Use JNDI to locate the ConfigurationService enterprise bean.

Methods inherited from class java.lang.Object

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

Field Detail

ejbConfigServiceJndiName

public static final java.lang.String ejbConfigServiceJndiName

Access ejb locally java:comp/env/ejb/ConfigurationService

See Also:

Constant Field Values

ejbConfigServicePropertyName

public static final java.lang.String ejbConfigServicePropertyName

See Also:

Constant Field Values

Constructor Detail

EjbPropertyLookup

public EjbPropertyLookup()

Constructor for the EjbPropertyLookup object

Method Detail

getConfigurationServiceHome

public ConfigurationServiceHome getConfigurationServiceHome()
                                                     throws javax.naming.NamingException

Attempt to locate the central Enterprise ConfigurationService home.

Returns:

The ConfigurationServiceHome value

Throws:

javax.naming.NamingException

getOrCreateProperties

public java.util.Properties getOrCreateProperties(java.lang.String categoryId,
                                                  java.lang.Object context)

Return an new 'Property' object that will query the ConfigurationService enterprise bean for property values.

Specified by:

getOrCreateProperties in interface CreationStrategy

Parameters:

categoryId -

context -

Returns:

The OrCreateProperties value

getContext

public javax.naming.Context getContext()
                                throws javax.naming.NamingException

Gets the Context attribute of the FakeProperty object

Returns:

The Context value

Throws:

javax.naming.NamingException

initServiceHome

public void initServiceHome()
                     throws javax.naming.NamingException

Use JNDI to locate the ConfigurationService enterprise bean. The JNDI name is either configured by the ConfigurationServiceName env-entry in the deployment descriptor, or a default value.

Throws:

javax.naming.NamingException