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

static String

PARAM_URI_LOCATORS Name of init param used to specify uri locators.

Constructor Summary

ConfigurableLocatorFactory()

Method Summary

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.