org.norther.tammi.acorn.io
Class RecordReader

java.lang.Object
  org.norther.tammi.acorn.io.RecordReader

public class RecordReader
extends Object

A buffered reader for reading records.

Author:

Ilkka Priha

Constructor Summary

RecordReader()
Constructs an empty record reader.

RecordReader(byte[] rec)
Constructs a new record reader.

Method Summary

DataInputStream	getDataInputStream() Gets a data input stream.
InputStream	getInputStream() Gets an input stream.
ObjectInputStream	getObjectInputStream() Gets an object input stream.
byte[]	getRecord() Gets the record.
Object	readObject() Reads an object.
String	readUTF() Reads an UTF string.
void	setRecord(byte[] rec) Sets the record.

Methods inherited from class java.lang.Object

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

Constructor Detail

RecordReader

public RecordReader()

Constructs an empty record reader.

RecordReader

public RecordReader(byte[] rec)

Constructs a new record reader.

Parameters:

rec - the data record.

Method Detail

getRecord

public byte[] getRecord()

Gets the record.

Returns:

the data record.

setRecord

public void setRecord(byte[] rec)

Sets the record.

Parameters:

rec - the data record.

getInputStream

public InputStream getInputStream()

Gets an input stream.

Returns:

a record input stream.

getObjectInputStream

public ObjectInputStream getObjectInputStream()
                                       throws IOException

Gets an object input stream.

Returns:

an object input stream.

Throws:

IOException - on errors.

getDataInputStream

public DataInputStream getDataInputStream()

Gets a data input stream.

Returns:

an object input stream.

readObject

public Object readObject()
                  throws IOException,
                         OptionalDataException,
                         ClassNotFoundException

Reads an object.

Returns:

the object.

Throws:

IOException - on I/O errors.

OptionalDataException - for primitive data.

ClassNotFoundException - for missing classes.

readUTF

public String readUTF()
               throws IOException

Reads an UTF string.

Returns:

the string.

Throws:

IOException - on I/O errors.