ro.isdc.wro.model.resource.locator
Class ServletContextUriLocator

java.lang.Object
  ro.isdc.wro.model.resource.locator.wildcard.WildcardUriLocatorSupport
      ro.isdc.wro.model.resource.locator.ServletContextUriLocator

All Implemented Interfaces:

UriLocator

public class ServletContextUriLocator
extends WildcardUriLocatorSupport

UriLocator capable to read the resources relative to servlet context. The resource reader will attempt to locate a physic resource under the servlet context and if the resource does not exist, will try to use requestDispatcher. This kind of resources will be accepted if their prefix is '/'.

Author:

Alex Objelean

Field Summary

static String

PREFIX Prefix for url resources.

Constructor Summary

ServletContextUriLocator()

Method Summary

boolean	accept(String uri) Check if this uri can be located by concrete implementation.
static boolean	isProtectedResource(String uri) Check If the uri of the resource is protected: it cannot be accessed by accessing the url directly (WEB-INF folder).
static boolean	isValid(String uri) Check if a uri is a servletContext resource.
InputStream	locate(String uri) Locates the uri by retrieving the InputStream.

Methods inherited from class ro.isdc.wro.model.resource.locator.wildcard.WildcardUriLocatorSupport

disableWildcards, getWildcardStreamLocator, newWildcardStreamLocator

Methods inherited from class java.lang.Object

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

Field Detail

PREFIX

public static final String PREFIX

Prefix for url resources.

See Also:

Constant Field Values

Constructor Detail

ServletContextUriLocator

public ServletContextUriLocator()

Method Detail

accept

public boolean accept(String uri)

Check if this uri can be located by concrete implementation.

Parameters:

uri - to read.

Returns:

true if UriLocator is able to return an InputStream of this uri.

isValid

public static boolean isValid(String uri)

Check if a uri is a servletContext resource.

Parameters:

uri - to check.

Returns:

true if the uri is a servletContext resource.

isProtectedResource

public static boolean isProtectedResource(String uri)

Check If the uri of the resource is protected: it cannot be accessed by accessing the url directly (WEB-INF folder).

Parameters:

uri - the uri to check.

Returns:

true if the uri is a protected resource.

locate

public InputStream locate(String uri)
                   throws IOException

Locates the uri by retrieving the InputStream. The client is responsible for closing the InputStream.

Parameters:

uri - uri to read.

Returns:

InputStream for the provided uri.

Throws:

IOException - if the resource cannot be read for some reason.