org.restlet.resource
Class ReaderRepresentation

java.lang.Object
  org.restlet.resource.Variant
      org.restlet.resource.Representation
          org.restlet.resource.CharacterRepresentation
              org.restlet.resource.ReaderRepresentation

public class ReaderRepresentation
extends CharacterRepresentation

Transient representation based on a BIO characters reader.

Author:

Jerome Louvel

Field Summary

Fields inherited from class org.restlet.resource.Representation

UNKNOWN_SIZE

Constructor Summary

ReaderRepresentation(Reader reader, MediaType mediaType)
Constructor.

ReaderRepresentation(Reader reader, MediaType mediaType, long expectedSize)
Constructor.

Method Summary

Reader	getReader() Returns a characters reader with the representation's content.
String	getText() Converts the representation to a string value.
void	release() Closes and releases the input stream.
void	setReader(Reader reader) Sets the reader to use.
void	write(Writer writer) Writes the representation to a characters writer.

Methods inherited from class org.restlet.resource.CharacterRepresentation

getChannel, getStream, write, write

Methods inherited from class org.restlet.resource.Representation

checkDigest, checkDigest, computeDigest, createEmpty, exhaust, getAvailableSize, getDigest, getDownloadName, getExpirationDate, getModificationDate, getRange, getSize, getTag, isAvailable, isDownloadable, isTransient, setAvailable, setDigest, setDownloadable, setDownloadName, setExpirationDate, setModificationDate, setRange, setSize, setTag, setTransient

Methods inherited from class org.restlet.resource.Variant

getCharacterSet, getEncodings, getIdentifier, getLanguages, getMediaType, setCharacterSet, setEncodings, setIdentifier, setIdentifier, setLanguages, setMediaType

Methods inherited from class java.lang.Object

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

Constructor Detail

ReaderRepresentation

public ReaderRepresentation(Reader reader,
                            MediaType mediaType)

Constructor.

Parameters:

reader - The representation's stream.

mediaType - The representation's media type.

ReaderRepresentation

public ReaderRepresentation(Reader reader,
                            MediaType mediaType,
                            long expectedSize)

Constructor.

Parameters:

reader - The representation's stream.

mediaType - The representation's media type.

expectedSize - The expected reader size in bytes.

Method Detail

getReader

public Reader getReader()
                 throws IOException

Description copied from class: Representation

Returns a characters reader with the representation's content. This method is ensured to return a fresh reader for each invocation unless it is a transient representation, in which case null is returned. If the representation has no character set defined, the system's default one will be used.

Specified by:

getReader in class Representation

Returns:

A reader with the representation's content.

Throws:

IOException

getText

public String getText()
               throws IOException

Description copied from class: Representation

Converts the representation to a string value. Be careful when using this method as the conversion of large content to a string fully stored in memory can result in OutOfMemoryErrors being thrown.

Overrides:

getText in class Representation

Returns:

The representation as a string value.

Throws:

IOException

release

public void release()

Closes and releases the input stream.

Overrides:

release in class Representation

setReader

public void setReader(Reader reader)

Sets the reader to use.

Parameters:

reader - The reader to use.

write

public void write(Writer writer)
           throws IOException

Description copied from class: Representation

Writes the representation to a characters writer. This method is ensured to write the full content for each invocation unless it is a transient representation, in which case an exception is thrown.

Specified by:

write in class Representation

Parameters:

writer - The characters writer.

Throws:

IOException