org.opensaml.util.resource
Interface Resource

All Known Implementing Classes:

AbstractFilteredResource, ClasspathResource, FileBackedHttpResource, FilesystemResource, HttpResource

public interface Resource

An interface representing an data resource.

Method Summary

boolean	exists() Checks whether the resource exists.
InputStream	getInputStream() Gets the inputstream to the resource's data.
org.joda.time.DateTime	getLastModifiedTime() Gets the date and time the resource was last modified.
String	getLocation() Gets resource location information.

Method Detail

getLocation

String getLocation()

Gets resource location information. Examples might be filesystem path, URL, etc.

Returns:

resource location information

exists

boolean exists()
               throws ResourceException

Checks whether the resource exists.

Returns:

true if the resource exists, false if not

Throws:

ResourceException - thrown if there is a problem determining if the resource exists

getInputStream

InputStream getInputStream()
                           throws ResourceException

Gets the inputstream to the resource's data.

Returns:

inputstream to the resource's data

Throws:

ResourceException - thrown if an input stream can not be created for the resource

getLastModifiedTime

org.joda.time.DateTime getLastModifiedTime()
                                           throws ResourceException

Gets the date and time the resource was last modified.

Returns:

date and time the resource was last modified

Throws:

ResourceException - thrown if the last modified time can not be determined