ro.isdc.wro.model.resource.locator.factory

Class ConfigurableLocatorFactory

java.lang.Object

ro.isdc.wro.model.resource.support.AbstractConfigurableStrategySupport<S,P>

ro.isdc.wro.model.resource.support.AbstractConfigurableMultipleStrategy<UriLocator,LocatorProvider>

ro.isdc.wro.model.resource.locator.factory.ConfigurableLocatorFactory

All Implemented Interfaces:

UriLocatorFactory

public class ConfigurableLocatorFactory
extends AbstractConfigurableMultipleStrategy<UriLocator,LocatorProvider>
implements UriLocatorFactory

A ProcessorsFactory implementation which is easy to configure using a Properties object.

Since:

1.4.0

Author:

Alex Objelean

Field Summary

Fields

Modifier and Type	Field and Description
static String	PARAM_URI_LOCATORS Name of init param used to specify uri locators.

Constructor Summary

Constructors

Constructor and Description
ConfigurableLocatorFactory()

Method Summary

Methods

Modifier and Type	Method and Description
UriLocator	getInstance(String uri)
protected Class<LocatorProvider>	getProviderClass()
protected Map<String,UriLocator>	getStrategies(LocatorProvider provider)
protected String	getStrategyKey()
InputStream	locate(String uri) Locates an InputStream for the given uri.

Methods inherited from class ro.isdc.wro.model.resource.support.AbstractConfigurableMultipleStrategy

createItemsAsString, getConfiguredStrategies

Methods inherited from class ro.isdc.wro.model.resource.support.AbstractConfigurableStrategySupport

copyAll, getAvailableAliases, getAvailableStrategies, getConfiguredValue, getProviderFinder, getStrategyForAlias, newProperties, overrideDefaultStrategyMap, setProperties

Methods inherited from class java.lang.Object

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

Field Detail

PARAM_URI_LOCATORS

public static final String PARAM_URI_LOCATORS

Name of init param used to specify uri locators.

See Also:

Constant Field Values

Constructor Detail

ConfigurableLocatorFactory

public ConfigurableLocatorFactory()

Method Detail

getStrategyKey

protected String getStrategyKey()

Specified by:

getStrategyKey in class AbstractConfigurableStrategySupport<UriLocator,LocatorProvider>

Returns:

the key of the strategy property.

getStrategies

protected Map<String,UriLocator> getStrategies(LocatorProvider provider)

Specified by:

getStrategies in class AbstractConfigurableStrategySupport<UriLocator,LocatorProvider>

Parameters:

provider - the instance responsible for strategy lookup.

Returns:

the map of provided strategies.

locate

public InputStream locate(String uri)
                   throws IOException

Locates an InputStream for the given uri.

Specified by:

locate in interface UriLocatorFactory

Parameters:

uri - to locate.

Returns:

InputStream of the resource.

Throws:

IOException - if uri is invalid or resource couldn't be located.

getInstance

public UriLocator getInstance(String uri)

Specified by:

getInstance in interface UriLocatorFactory

Parameters:

uri - to handle by the locator.

Returns:

an instance of UriLocator which is capable of handling provided uri. Returns null if no locator found.

getProviderClass

protected Class<LocatorProvider> getProviderClass()

Overrides:

getProviderClass in class AbstractConfigurableStrategySupport<UriLocator,LocatorProvider>

Returns:

the class of the provider of type P. Uses ParameterizedType to compute the class. Override it to support anonymous classes which do not play well with ParameterizedType's.