org.apache.commons.configuration
Class DefaultConfigurationBuilder.FileExtensionConfigurationProvider

java.lang.Object
  org.apache.commons.configuration.beanutils.DefaultBeanFactory
      org.apache.commons.configuration.DefaultConfigurationBuilder.ConfigurationProvider
          org.apache.commons.configuration.DefaultConfigurationBuilder.FileConfigurationProvider
              org.apache.commons.configuration.DefaultConfigurationBuilder.FileExtensionConfigurationProvider

All Implemented Interfaces:

BeanFactory

Enclosing class:

DefaultConfigurationBuilder

static class DefaultConfigurationBuilder.FileExtensionConfigurationProvider

extends DefaultConfigurationBuilder.FileConfigurationProvider

A specialized configuration provider for file based configurations that can handle configuration sources whose concrete type depends on the extension of the file to be loaded. One example is the properties tag: if the file ends with ".xml" a XMLPropertiesConfiguration object must be created, otherwise a PropertiesConfiguration object.

Field Summary

Fields inherited from class org.apache.commons.configuration.beanutils.DefaultBeanFactory

INSTANCE

Constructor Summary

DefaultConfigurationBuilder.FileExtensionConfigurationProvider(Class matchingClass, Class defaultClass, String extension)
Creates a new instance of FileExtensionConfigurationProvider and initializes it.

Method Summary

protected Object

createBeanInstance(Class beanClass, BeanDeclaration data) Creates the configuration object.

Methods inherited from class org.apache.commons.configuration.DefaultConfigurationBuilder.FileConfigurationProvider

getConfiguration, initBeanInstance

Methods inherited from class org.apache.commons.configuration.DefaultConfigurationBuilder.ConfigurationProvider

getConfigurationClass, setConfigurationClass

Methods inherited from class org.apache.commons.configuration.beanutils.DefaultBeanFactory

createBean, getDefaultBeanClass

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultConfigurationBuilder.FileExtensionConfigurationProvider

public DefaultConfigurationBuilder.FileExtensionConfigurationProvider(Class matchingClass,
                                                                      Class defaultClass,
                                                                      String extension)

Creates a new instance of FileExtensionConfigurationProvider and initializes it.

Parameters:

matchingClass - the class to be created when the file extension matches

defaultClass - the class to be created when the file extension does not match

extension - the file extension to be checked agains

Method Detail

createBeanInstance

protected Object createBeanInstance(Class beanClass,
                                    BeanDeclaration data)
                             throws Exception

Creates the configuration object. The class is determined by the file name's extension.

Overrides:

createBeanInstance in class DefaultBeanFactory

Parameters:

beanClass - the class

data - the bean declaration

Returns:

the new bean

Throws:

Exception - if an error occurs