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org.apache.any23.source
Interface DocumentSource

All Known Implementing Classes:

ByteArrayDocumentSource, FileDocumentSource, HTTPDocumentSource, StringDocumentSource

public interface DocumentSource

A source of input streams. Mostly intended for situations where opening of an input stream is to be delayed.

Author:

Richard Cyganiak (richard@cyganiak.de)

Method Summary

long	getContentLength()
String	getContentType()
String	getDocumentURI()
boolean	isLocal() A value of false indicates that the document resides remotely, and that multiple successive accesses to it should be avoided by copying it to local storage.
InputStream	openInputStream() Returns the input stream for accessing the content of the document.

Method Detail

openInputStream

InputStream openInputStream()
                            throws IOException

Returns the input stream for accessing the content of the document.

Returns:

not null input stream for accessing document data.

Throws:

IOException

getContentType

String getContentType()

Returns:

a string describing the content type of the provided document.

getContentLength

long getContentLength()

Returns:

the size of the content length in bytes.

getDocumentURI

String getDocumentURI()

Returns:

the actual, final, canonical URI if redirects occur.

isLocal

boolean isLocal()

A value of false indicates that the document resides remotely, and that multiple successive accesses to it should be avoided by copying it to local storage. This can also be used for sources that do not support multiple calls to openInputStream().