de.phleisch.app.itsucks.io.impl
Class FileRetriever

java.lang.Object
  de.phleisch.app.itsucks.io.impl.FileRetriever

All Implemented Interfaces:

DataRetriever

public class FileRetriever
extends java.lang.Object
implements DataRetriever

Implementation of an data retriever which can read files from the filesystem.

Author:

olli

Field Summary

Fields inherited from interface de.phleisch.app.itsucks.io.DataRetriever

NOTIFICATION_PROGRESS

Constructor Summary

FileRetriever(java.io.File pFile)

Method Summary

void	abort() Aborts the current retrieving.
void	connect() Advise the Retriever to connect to the data source.
void	disconnect() Disconnect from the data source.
long	getBytesSkipped() Returns the skipped bytes.
long	getContentLenght() Returns the content length in bytes.
java.io.InputStream	getDataAsInputStream() Returns an input stream for the retrieved data.
Metadata	getMetadata() Returns the metadata of the data source connection.
boolean	isConnected() Returns true if the retriever is connected.
boolean	isDataAvailable() Returns true if the data source contains any data to be read.
void	setBytesToSkip(long pBytesToSkip) Skip the given bytes (seek) when reading the data source.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileRetriever

public FileRetriever(java.io.File pFile)

Method Detail

abort

public void abort()

Description copied from interface: DataRetriever

Aborts the current retrieving.

Specified by:

abort in interface DataRetriever

connect

public void connect()
             throws java.io.IOException

Description copied from interface: DataRetriever

Advise the Retriever to connect to the data source.

Specified by:

connect in interface DataRetriever

Throws:

java.io.IOException

isConnected

public boolean isConnected()
                    throws java.io.IOException

Description copied from interface: DataRetriever

Returns true if the retriever is connected.

Specified by:

isConnected in interface DataRetriever

Throws:

java.io.IOException

disconnect

public void disconnect()
                throws java.io.IOException

Description copied from interface: DataRetriever

Disconnect from the data source.

Specified by:

disconnect in interface DataRetriever

Throws:

java.io.IOException

getMetadata

public Metadata getMetadata()

Description copied from interface: DataRetriever

Returns the metadata of the data source connection.

Specified by:

getMetadata in interface DataRetriever

Returns:

isDataAvailable

public boolean isDataAvailable()
                        throws java.io.IOException

Description copied from interface: DataRetriever

Returns true if the data source contains any data to be read.

Specified by:

isDataAvailable in interface DataRetriever

Returns:

Throws:

java.io.IOException

getDataAsInputStream

public java.io.InputStream getDataAsInputStream()

Description copied from interface: DataRetriever

Returns an input stream for the retrieved data.

Specified by:

getDataAsInputStream in interface DataRetriever

Returns:

setBytesToSkip

public void setBytesToSkip(long pBytesToSkip)

Description copied from interface: DataRetriever

Skip the given bytes (seek) when reading the data source.

Specified by:

setBytesToSkip in interface DataRetriever

getBytesSkipped

public long getBytesSkipped()

Description copied from interface: DataRetriever

Returns the skipped bytes.

Specified by:

getBytesSkipped in interface DataRetriever

Returns:

getContentLenght

public long getContentLenght()

Description copied from interface: DataRetriever

Returns the content length in bytes.

Specified by:

getContentLenght in interface DataRetriever

Returns: