Package org.apache.http.client.entity

Class DecompressingEntity

java.lang.Object

org.apache.http.entity.HttpEntityWrapper

org.apache.http.client.entity.DecompressingEntity

All Implemented Interfaces:

HttpEntity

Direct Known Subclasses:

DeflateDecompressingEntity, GzipDecompressingEntity

public class DecompressingEntity
extends HttpEntityWrapper

Common base class for decompressing HttpEntity implementations.

Since:

4.4

Constructor Summary

Constructors

Constructor	Description
DecompressingEntity(HttpEntity wrapped, InputStreamFactory inputStreamFactory)	Creates a new DecompressingEntity.

Method Summary

Modifier and Type	Method	Description
java.io.InputStream	getContent()	Returns a content stream of the entity.
Header	getContentEncoding()	Obtains the Content-Encoding header, if known.
long	getContentLength()	Tells the length of the content, if known.
void	writeTo(java.io.OutputStream outStream)	Writes the entity content out to the output stream.

Methods inherited from class org.apache.http.entity.HttpEntityWrapper

consumeContent, getContentType, isChunked, isRepeatable, isStreaming

Methods inherited from class java.lang.Object

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

Constructor Detail

DecompressingEntity

public DecompressingEntity(HttpEntity wrapped,
                           InputStreamFactory inputStreamFactory)

Creates a new DecompressingEntity.

Parameters:

wrapped - the non-null HttpEntity to be wrapped

inputStreamFactory - factory to create decompressing stream.

Method Detail

getContent

public java.io.InputStream getContent()
                               throws java.io.IOException

Description copied from interface: HttpEntity

Returns a content stream of the entity. Repeatable entities are expected to create a new instance of InputStream for each invocation of this method and therefore can be consumed multiple times. Entities that are not repeatable are expected to return the same InputStream instance and therefore may not be consumed more than once.

IMPORTANT: Please note all entity implementations must ensure that all allocated resources are properly deallocated after the InputStream.close() method is invoked.

Specified by:

getContent in interface HttpEntity

Overrides:

getContent in class HttpEntityWrapper

Returns:

content stream of the entity.

Throws:

java.io.IOException - if the stream could not be created

See Also:

HttpEntity.isRepeatable()

writeTo

public void writeTo(java.io.OutputStream outStream)
             throws java.io.IOException

Description copied from interface: HttpEntity

Writes the entity content out to the output stream.

IMPORTANT: Please note all entity implementations must ensure that all allocated resources are properly deallocated when this method returns.

Specified by:

writeTo in interface HttpEntity

Overrides:

writeTo in class HttpEntityWrapper

Parameters:

outStream - the output stream to write entity content to

Throws:

java.io.IOException - if an I/O error occurs

getContentEncoding

public Header getContentEncoding()

Description copied from interface: HttpEntity

Obtains the Content-Encoding header, if known. This is the header that should be used when sending the entity, or the one that was received with the entity. Wrapping entities that modify the content encoding should adjust this header accordingly.

Specified by:

getContentEncoding in interface HttpEntity

Overrides:

getContentEncoding in class HttpEntityWrapper

Returns:

the Content-Encoding header for this entity, or null if the content encoding is unknown

getContentLength

public long getContentLength()

Description copied from interface: HttpEntity

Tells the length of the content, if known.

Specified by:

getContentLength in interface HttpEntity

Overrides:

getContentLength in class HttpEntityWrapper

Returns:

the number of bytes of the content, or a negative number if unknown. If the content length is known but exceeds Long.MAX_VALUE, a negative number is returned.