org.norther.tammi.core.cache
Class BufferedResource

java.lang.Object
  org.norther.tammi.core.cache.PlainResource
      org.norther.tammi.core.cache.BufferedResource

All Implemented Interfaces:

Serializable, EventListener, CacheListener, Resource

public class BufferedResource
extends PlainResource

A buffered implementation of CachedResource maintaining content.

Author:

Ilkka Priha

See Also:

Serialized Form

Constructor Summary

BufferedResource(String name, Object src)
Constructs a new resource.

BufferedResource(String name, Object src, boolean keep)
Constructs a new resource with a keep lost flag.

BufferedResource(String name, Object src, byte[] content)
Constructs a new resource with ready-made content.

Method Summary

byte[]	getContents() Gets the contents of the resource as bytes.
InputStream	getInputStream() Gets the resource as a stream.
long	getLastModified() Gets the resource modification time.
long	getLength() Gets the length of the resource.
void	release() Releases the cached resource.
void	setSizeLimit(int limit) Sets a size limit for a resource.

Methods inherited from class org.norther.tammi.core.cache.PlainResource

activated, expired, getCheckInterval, getContents, getName, getPath, getSizeLimit, getSource, isDeleteOnRelease, isValid, passivated, setCheckInterval, setDeleteOnRelease, setPath

Methods inherited from class java.lang.Object

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

Constructor Detail

BufferedResource

public BufferedResource(String name,
                        Object src)

Constructs a new resource.

Parameters:

name - the name.

src - the source.

BufferedResource

public BufferedResource(String name,
                        Object src,
                        boolean keep)

Constructs a new resource with a keep lost flag.

Parameters:

name - the name.

src - the source.

keep - the keep lost flag.

BufferedResource

public BufferedResource(String name,
                        Object src,
                        byte[] content)

Constructs a new resource with ready-made content.

Parameters:

name - the name.

src - the source.

content - the content.

Method Detail

getLength

public long getLength()

Description copied from interface: Resource

Gets the length of the resource.

Specified by:

getLength in interface Resource

Overrides:

getLength in class PlainResource

Returns:

the resource length or -1 if not known.

getLastModified

public long getLastModified()

Description copied from interface: Resource

Gets the resource modification time.

Specified by:

getLastModified in interface Resource

Overrides:

getLastModified in class PlainResource

Returns:

the resource modification time.

setSizeLimit

public void setSizeLimit(int limit)

Description copied from interface: Resource

Sets a size limit for a resource.

Specified by:

setSizeLimit in interface Resource

Overrides:

setSizeLimit in class PlainResource

Parameters:

limit - a limit for a resource size in bytes (-1 = unlimited).

getInputStream

public InputStream getInputStream()
                           throws IOException

Description copied from interface: Resource

Gets the resource as a stream.

Specified by:

getInputStream in interface Resource

Overrides:

getInputStream in class PlainResource

Returns:

the resource as a stream.

Throws:

IOException - on I/O errors.

getContents

public byte[] getContents()
                   throws IOException

Description copied from interface: Resource

Gets the contents of the resource as bytes.

Specified by:

getContents in interface Resource

Overrides:

getContents in class PlainResource

Returns:

the resource contents as bytes.

Throws:

IOException - on I/O errors.

release

public void release()

Description copied from interface: Resource

Releases the cached resource.

Specified by:

release in interface Resource

Overrides:

release in class PlainResource