org.apache.tamaya.resource

Class AbstractPathPropertySourceProvider

java.lang.Object

org.apache.tamaya.resource.AbstractPathPropertySourceProvider

All Implemented Interfaces:

PropertySourceProvider

public abstract class AbstractPathPropertySourceProvider
extends Object
implements PropertySourceProvider

Abstract base class that uses a descriptive resource path to define the locations of configuration files to be included into the configuration. This is especially useful, when the current configuration policy in place does not define the exact file names, but the file locations, where configuration can be provided.

Constructor Summary

Constructors

Constructor and Description
AbstractPathPropertySourceProvider(String... resourcePaths) Creates a new instance using the given resource paths.

Method Summary

Modifier and Type	Method and Description
static PropertySource	createPropertiesPropertySource(URL url) Utility method that reads a .properties file from the given url and creates a corresponding PropertySource.
Collection<PropertySource>	getPropertySources()
protected abstract Collection<PropertySource>	getPropertySources(URL url) Factory method that creates a PropertySource based on the URL found by the resource locator.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractPathPropertySourceProvider

public AbstractPathPropertySourceProvider(String... resourcePaths)

Creates a new instance using the given resource paths.

Parameters:

resourcePaths - the resource paths, not null, not empty.

Method Detail

getPropertySources

public Collection<PropertySource> getPropertySources()

Specified by:

getPropertySources in interface PropertySourceProvider

getPropertySources

protected abstract Collection<PropertySource> getPropertySources(URL url)

Factory method that creates a PropertySource based on the URL found by the resource locator.

Parameters:

url - the URL, not null.

Returns:

the PropertySources to be included into the current provider's sources list. It is safe to return null here, in case the content of the URL has shown to be not relevant as configuration input. In case the input is not valid or accessible an exception can be thrown or logged.

createPropertiesPropertySource

public static PropertySource createPropertiesPropertySource(URL url)

Utility method that reads a .properties file from the given url and creates a corresponding PropertySource.

Parameters:

url - the url to read, not null.

Returns:

the corresponding PropertySource, or null.