org.codehaus.janino.util.resource
Class ResourceFinder

java.lang.Object
  org.codehaus.janino.util.resource.ResourceFinder

Direct Known Subclasses:

FileResourceFinder, MapResourceFinder, MultiResourceFinder, ZipFileResourceFinder

public abstract class ResourceFinder
extends java.lang.Object

Finds a resource by name.

Notice that there is a symmetrical concept ResourceCreator that creates resources for writing.

See Also:

ResourceCreator

Field Summary

static ResourceFinder

EMPTY_RESOURCE_FINDER This one's useful when a resource finder is required, but cannot be created for some reason.

Constructor Summary

ResourceFinder()

Method Summary

abstract Resource	findResource(java.lang.String resourceName) Find a resource by name and return it as a Resource object.
java.io.InputStream	findResourceAsStream(java.lang.String resourceName) Find a resource by name and open it for reading.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_RESOURCE_FINDER

public static final ResourceFinder EMPTY_RESOURCE_FINDER

This one's useful when a resource finder is required, but cannot be created for some reason.

Constructor Detail

ResourceFinder

public ResourceFinder()

Method Detail

findResourceAsStream

public final java.io.InputStream findResourceAsStream(java.lang.String resourceName)
                                               throws java.io.IOException

Find a resource by name and open it for reading.

Parameters:

resourceName - Designates the resource; typically structured by slashes ("/") like "com/foo/pkg/Bar.class"

Returns:

null if the resource could not be found

Throws:

java.io.IOException - The resource was found, but there are problems opening it

findResource

public abstract Resource findResource(java.lang.String resourceName)

Find a resource by name and return it as a Resource object.

Parameters:

resourceName - Designates the resource; typically structured by slashes ("/") like "com/foo/pkg/Bar.class"

Returns:

null if the resource could not be found