com.asual.lesscss.loader
Class ChainedResourceLoader

java.lang.Object
  com.asual.lesscss.loader.ChainedResourceLoader

All Implemented Interfaces:

ResourceLoader

public class ChainedResourceLoader
extends Object
implements ResourceLoader

A ResourceLoader delegates to a sequence of other loaders, asking each one for the requested resource in turn.

Author:

Rafał Krzewski

Constructor Summary

ChainedResourceLoader(ResourceLoader... loaders)
Creates a new ChainedResourceLoader.

Method Summary

boolean	exists(String path) Returns true, if any of the delegate loaders returns from exists(String) for the given path.
String	load(String path, String charset) The first delegate that returns from exists(String) for the given path will have load(String, String) invoked, and the result will be retured.

Methods inherited from class java.lang.Object

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

Constructor Detail

ChainedResourceLoader

public ChainedResourceLoader(ResourceLoader... loaders)

Creates a new ChainedResourceLoader.

Parameters:

loaders - the loaders to delegate to. Order of the loaders is important.

Method Detail

exists

public boolean exists(String path)
               throws IOException

Returns true, if any of the delegate loaders returns from exists(String) for the given path.

Specified by:

exists in interface ResourceLoader

Parameters:

path - resource path.

Returns:

true if the resource exists.

Throws:

IOException - when i/o error occurs while checking for resource existence.

load

public String load(String path,
                   String charset)
            throws IOException

The first delegate that returns from exists(String) for the given path will have load(String, String) invoked, and the result will be retured.

Specified by:

load in interface ResourceLoader

Parameters:

path - resource path.

charset - character set name, valid with respect to Charset.

Returns:

resource contents as a string.

Throws:

IOException - when i/o error occurs while loading the resource, or charset is invalid.