com.sap.client.odata.v4.file

Class DataFileReader

java.lang.Object

com.sap.client.odata.v4.DataValue

com.sap.client.odata.v4.StreamBase

com.sap.client.odata.v4.ByteStream

com.sap.client.odata.v4.file.DataFileReader

public class DataFileReader
extends ByteStream

Class for buffered reading of data files (binary format).

Field Summary

Fields inherited from class com.sap.client.odata.v4.ByteStream

empty

Fields inherited from class com.sap.client.odata.v4.DataValue

undefined

Method Summary

Modifier and Type	Method and Description
void	close() Close the file.
static DataFileReader	open(java.lang.String file) Open a data file for read access.
int	readByte() Read a byte, returning its unsigned value.
static byte[]	readFile(java.lang.String file) Read the entire contents of file.
DataFileReader	withBufferSize(int size) Alter the buffer size.

Methods inherited from class com.sap.client.odata.v4.ByteStream

asText, copyTo, copyTo, copyToFile, fileWriter, fromBinary, fromBinary, fromBinary, fromFile, fromInput, fromText, getCanUndo, getDataType, readAndClose, readBinary, readBinary, toBuffer, toInput, toString, undoRead, withUndo, writeBinary, writeByte

Methods inherited from class com.sap.client.odata.v4.StreamBase

flush, getEntityTag, getFileName, getMediaType, setEntityTag, setFileName, setMediaType

Methods inherited from class com.sap.client.odata.v4.DataValue

cloneMutable, equals, getTypeCode, hashCode

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

close

public void close()

Close the file.

Overrides:

close in class StreamBase

open

public static DataFileReader open(java.lang.String file)

Open a data file for read access.

Parameters:

file - File name.

Returns:

The opened file reader.

readByte

public int readByte()

Read a byte, returning its unsigned value.

Overrides:

readByte in class ByteStream

Returns:

Unsigned byte, or -1 if end of file has been reached.

readFile

public static byte[] readFile(java.lang.String file)

Read the entire contents of file.

Parameters:

file - File name.

Returns:

Binary representation of file.

withBufferSize

public DataFileReader withBufferSize(int size)

Alter the buffer size. Should be called after open, but before reading content.

Parameters:

size - Buffer size.

Returns:

This file.