com.ibm.portal.resolver.data
Interface ContentLengthDataSource

All Superinterfaces:

Addressable, DataSource, DataSourceFragment, Disposable, TimeStamped

All Known Implementing Classes:

AbstractDataSource

public interface ContentLengthDataSource
extends DataSource

Optional interface implemented by a DataSource to advertize the size of the data.

Since:

6.1.0

Note:

This interface is designed to be implemented by clients.

Field Summary

static long

CONTENT_LENGTH_UNKNOWN constant for unknown content lengths

Fields inherited from interface com.ibm.portal.resolver.data.DataSource

CONTENT_TYPE_UNKNOWN, CREATION_UNKNOWN, EXPIRATION_UNKNOWN, LAST_MODIFICATION_UNKNOWN, MAX_AGE_INFINITE, MAX_AGE_NONE, ROOT_DATE

Fields inherited from interface com.ibm.portal.resolver.data.Addressable

EMPTY_PARAMETERS

Method Summary

long	getContentLength() Returns the number of bytes that this DataSource will produce.

Methods inherited from interface com.ibm.portal.resolver.data.DataSource

getContentType, getCreated, getExpiration, getLastModified

Methods inherited from interface com.ibm.portal.resolver.data.Addressable

getParameters, getURI

Methods inherited from interface com.ibm.portal.Disposable

dispose

Field Detail

CONTENT_LENGTH_UNKNOWN

static final long CONTENT_LENGTH_UNKNOWN

constant for unknown content lengths

Since:

6.1.0.3

See Also:

Constant Field Values

Method Detail

getContentLength

long getContentLength()

Returns the number of bytes that this DataSource will produce. If the number is unknown the DataSource may return CONTENT_LENGTH_UNKNOWN

Returns:

number of bytes or CONTENT_LENGTH_UNKNOWN