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 Object

Finds a resource by name.

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

See Also:

ResourceCreator

Field Summary

Fields

Modifier and Type	Field and Description
static ResourceFinder	EMPTY_RESOURCE_FINDER This one's useful when a resource finder is required, but cannot be created for some reason.

Constructor Summary

Constructors

Constructor and Description
ResourceFinder()

Method Summary

Modifier and Type	Method and Description
abstract Resource	findResource(String resourceName) Finds a resource by name and return it as a Resource object.
InputStream	findResourceAsStream(String resourceName) Finds 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

@Nullable
public final InputStream findResourceAsStream(String resourceName)
                                                  throws IOException

Finds 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:

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

findResource

@Nullable
public abstract Resource findResource(String resourceName)

Finds 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