org.wings
Class Resource

java.lang.Object
  org.wings.Resource

All Implemented Interfaces:

Serializable, Renderable, URLResource

Direct Known Subclasses:

DynamicResource, SByteArrayIcon, StaticResource, StringResource

public abstract class Resource
extends Object
implements Serializable, URLResource, Renderable

Wrapper to decorate various resource (i.e. images, files, scripts) with a MIME type and make it accessible to the client via HTTP and the ExternalizeManager.

Author:

Armin Haaf, Henner Zeller

See Also:

Serialized Form

Nested Class Summary

static class

Resource.HeaderEntry Internal structure to manage HTTP headers which should be delivered with a resource to the client.

Field Summary

protected String	extension
protected Collection<HttpHeader>	headers
protected String	id
protected String	mimeType

Constructor Summary

protected	Resource()
protected	Resource(String extension, String mimeType)

Method Summary

String	getExtension()
Collection<HttpHeader>	getHeaders()
String	getId()
int	getLength()
String	getMimeType() Returns the mime type of this resource.
Session	getSession()
abstract SimpleURL	getURL() returns the URL, this resource can be fetched from.
void	setHeaders(Collection<HttpHeader> headers)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.wings.Renderable

write

Field Detail

id

protected String id

extension

protected String extension

mimeType

protected String mimeType

headers

protected Collection<HttpHeader> headers

Constructor Detail

Resource

protected Resource(String extension,
                   String mimeType)

Resource

protected Resource()

Method Detail

getLength

public int getLength()

getExtension

public String getExtension()

getMimeType

public String getMimeType()

Returns the mime type of this resource.

setHeaders

public void setHeaders(Collection<HttpHeader> headers)

getHeaders

public Collection<HttpHeader> getHeaders()

getId

public String getId()

getURL

public abstract SimpleURL getURL()

Description copied from interface: URLResource

returns the URL, this resource can be fetched from. This URL may be relative, usually if generated from the externalizer.

Specified by:

getURL in interface URLResource

toString

public String toString()

Overrides:

toString in class Object

getSession

public Session getSession()