com.informix.asf

Class IfxDataOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

com.informix.asf.IfxDataOutputStream

All Implemented Interfaces:

java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable

Direct Known Subclasses:

IfxDebugDataOutputStream

public class IfxDataOutputStream
extends java.io.FilterOutputStream

This class is the Informix OutputStream class to write the informix datatypes to an OutputStream, throws an IOException in case of error.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	written The number of bytes written to the outputstream. Make sure that variable byteCountAtEOT remains of same type as that of written

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Constructor and Description
IfxDataOutputStream(java.io.OutputStream s) Constructs an IfxDataOutputStream
IfxDataOutputStream(java.io.OutputStream s, boolean encoption)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	clearTrace()
void	flush() flushes the outputstream.
int	getBytesSentSinceLastEOT()
byte[]	getJavaToIfx4BytesChar(java.lang.String s) returns a byte array of the given string, conversion routine should be used for servers that have removed 64K Limit, default db local will be used for encoding.
byte[]	getJavaToIfx4BytesChar(java.lang.String s, java.lang.String dbenc) returns a byte array of the given string, conversion routine should be used for servers that have removed 64K Limit, conversion is done based on given dbencoding option.
byte[]	getJavaToIfxChar(java.lang.String s) Returns a byte array after converting given string using default encoding.
byte[]	getJavaToIfxChar(java.lang.String s, java.lang.String dbEnc) Returns a byte array after converting given string using db encoding given.
void	setByteCntAtEOT() This is to be called after SQ_EOT is sent every time .
void	write(byte[] b) writes a byte array to the outputstream.
void	write(byte[] b, int offset, int length) writes a byte array to the outputstream.
void	write(int i) writes a byte to the outputstream.
void	writeByte(int i) writes a byte to the outputstream.
void	writeBytes(byte[] b) Writes the given sequence of bytes to the outputstream
void	writeBytesConstant(java.lang.String s) Strictly to be used by constants that are guaranteed not to throw any UnsupportedEncodingException, for all variables please use writeBytes(byte) method by doing the conversion upfront.
void	writeChar(byte[] b)
void	writeDate(java.sql.Date d) Converts a java date to an Informix date and writes it to the stream
void	writeDateTime(java.sql.Timestamp t) Converts a java datetime to an Informix datetime and writes it to the stream
void	writeDecimal(java.math.BigDecimal n) Converts a java numeric to an Informix decimal and writes it to the stream.
void	writeDouble(double d) Converts a java double to an Informix double precision and writes it to the stream.
void	writeInt(int i) converts an integer to an Informix int and writes it to the outputstream.
void	writeInterval(IntervalDF i) Converts a java interval to an Informix interval and writes it to the stream
void	writeInterval(IntervalYM i) Converts a java interval to an Informix interval and writes it to the stream
void	writeLong(long s) Converts a java long to an Informix int8 and writes it to the stream.
void	writeLongBigint(long s) Converts a java long to an Informix int8 and writes it to the stream.
void	writeLongInt(long s) Converts a java long to an Informix int8 and writes it to the stream.
void	writePadded(byte[] b) writes a byte array to the outputstream.
void	writePadded(byte[] b, int offset, int length) writes a byte array to the outputstream.
void	writeReal(float f) Converts a java real to an Informix real and writes it to the stream.
void	writeShort(int i) Converts a java short to an Informix smallint and writes it to the stream.
void	writeShort(short s)
void	writeSmallInt(short s) Converts a java short to an Informix smallint and writes it to the stream.
void	writeWithMangledTrace(byte[] b) In this class , the implementation is same as Same as write (byte b []) method.
void	writeWithoutTrace(byte[] b, int offset, int length)

Methods inherited from class java.io.FilterOutputStream

close

Methods inherited from class java.lang.Object

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

Field Detail

written

protected int written

The number of bytes written to the outputstream.
Make sure that variable byteCountAtEOT remains of same type as that of written

Constructor Detail

IfxDataOutputStream

public IfxDataOutputStream(java.io.OutputStream s)

Constructs an IfxDataOutputStream

IfxDataOutputStream

public IfxDataOutputStream(java.io.OutputStream s,
                   boolean encoption)

Method Detail

write

public void write(int i)
           throws java.io.IOException

writes a byte to the outputstream.

Overrides:

write in class java.io.FilterOutputStream

Parameters:

i - the byte to write to the outputstream.

Throws:

java.io.IOException - In case an I/O error occurs.

write

public void write(byte[] b,
         int offset,
         int length)
           throws java.io.IOException

writes a byte array to the outputstream.

Overrides:

write in class java.io.FilterOutputStream

Parameters:

b - the byte array to write to the outputstream.

offset - the offset of the data.

length - the maximum number of bytes to write to the outputstream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeWithoutTrace

public void writeWithoutTrace(byte[] b,
                     int offset,
                     int length)
                       throws java.io.IOException

Throws:

java.io.IOException

writePadded

public void writePadded(byte[] b,
               int offset,
               int length)
                 throws java.io.IOException

writes a byte array to the outputstream. Writes pad byte if needed.

Parameters:

b - the byte array to write to the outputstream.

offset - the offset of the data.

length - the maximum number of bytes to write to the outputstream.

Throws:

java.io.IOException - In case an I/O error occurs.

write

public void write(byte[] b)
           throws java.io.IOException

writes a byte array to the outputstream.

Overrides:

write in class java.io.FilterOutputStream

Parameters:

b - the byte array to write to the outputstream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeWithMangledTrace

public void writeWithMangledTrace(byte[] b)
                           throws java.io.IOException

In this class , the implementation is same as Same as write (byte b []) method. Used to write bytes which we don't want to log in trace file. such as password bytes. See implementation of this method in IfxDebugDataOutputStream which mangles bytes before writing to trace file.

Parameters:

b -

Throws:

java.io.IOException

writePadded

public void writePadded(byte[] b)
                 throws java.io.IOException

writes a byte array to the outputstream. Adds a pad byte if the length is odd.

Parameters:

b - the byte array to write to the outputstream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeInt

public void writeInt(int i)
              throws java.io.IOException

converts an integer to an Informix int and writes it to the outputstream.

Parameters:

i - the java integer to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

flush

public void flush()
           throws java.io.IOException

flushes the outputstream.

Specified by:

flush in interface java.io.Flushable

Overrides:

flush in class java.io.FilterOutputStream

Throws:

java.io.IOException - In case an I/O error occurs.

writeByte

public void writeByte(int i)
               throws java.io.IOException

writes a byte to the outputstream.

Parameters:

i - byte to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeBytes

public void writeBytes(byte[] b)
                throws java.io.IOException

Writes the given sequence of bytes to the outputstream

Parameters:

b - byte to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeBytesConstant

public void writeBytesConstant(java.lang.String s)
                        throws java.io.IOException,
                               java.sql.SQLException

Strictly to be used by constants that are guaranteed not to throw any UnsupportedEncodingException, for all variables please use writeBytes(byte) method by doing the conversion upfront.

Parameters:

s -

Throws:

java.io.IOException

java.sql.SQLException

getJavaToIfxChar

public byte[] getJavaToIfxChar(java.lang.String s,
                      java.lang.String dbEnc)
                        throws java.io.IOException,
                               java.sql.SQLException

Returns a byte array after converting given string using db encoding given. IFX_USE_STRENC connection property if set would be used by this method during conversion.

Parameters:

s -

dbEnc -

Returns:

Throws:

java.io.IOException

java.sql.SQLException

getJavaToIfxChar

public byte[] getJavaToIfxChar(java.lang.String s)
                        throws java.io.IOException,
                               java.sql.SQLException

Returns a byte array after converting given string using default encoding. IFX_USE_STRENC connection property if set would be used by this method during conversion.

Parameters:

s -

Returns:

Throws:

java.io.IOException

java.sql.SQLException

getJavaToIfx4BytesChar

public byte[] getJavaToIfx4BytesChar(java.lang.String s)
                              throws java.io.IOException,
                                     java.sql.SQLException

returns a byte array of the given string, conversion routine should be used for servers that have removed 64K Limit, default db local will be used for encoding. IFX_USE_STRENC connection property if set would be used by this method during conversion.

Parameters:

s -

Returns:

Throws:

java.io.IOException

java.sql.SQLException

getJavaToIfx4BytesChar

public byte[] getJavaToIfx4BytesChar(java.lang.String s,
                            java.lang.String dbenc)
                              throws java.io.IOException,
                                     java.sql.SQLException

returns a byte array of the given string, conversion routine should be used for servers that have removed 64K Limit, conversion is done based on given dbencoding option. IFX_USE_STRENC connection property if set would be used by this method during conversion.

Parameters:

s - String to convert

dbenc - db locale encoding to use.

Returns:

Throws:

java.io.IOException

java.sql.SQLException

writeChar

public void writeChar(byte[] b)
               throws java.io.IOException

Throws:

java.io.IOException

writeDate

public void writeDate(java.sql.Date d)
               throws java.io.IOException

Converts a java date to an Informix date and writes it to the stream

Parameters:

d - the java.sql.Date to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeDateTime

public void writeDateTime(java.sql.Timestamp t)
                   throws java.io.IOException

Converts a java datetime to an Informix datetime and writes it to the stream

Parameters:

t - the java.sql.Timestamp to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeInterval

public void writeInterval(IntervalDF i)
                   throws java.io.IOException

Converts a java interval to an Informix interval and writes it to the stream

Parameters:

t - the IntervalDF to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeInterval

public void writeInterval(IntervalYM i)
                   throws java.io.IOException

Converts a java interval to an Informix interval and writes it to the stream

Parameters:

t - the IntervalYM to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeDecimal

public void writeDecimal(java.math.BigDecimal n)
                  throws java.io.IOException

Converts a java numeric to an Informix decimal and writes it to the stream.

Parameters:

n - the java.lang.Bignum to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeDouble

public void writeDouble(double d)
                 throws java.io.IOException

Converts a java double to an Informix double precision and writes it to the stream.

Parameters:

d - the java double to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeReal

public void writeReal(float f)
               throws java.io.IOException

Converts a java real to an Informix real and writes it to the stream.

Parameters:

f - the java float to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeSmallInt

public void writeSmallInt(short s)
                   throws java.io.IOException

Converts a java short to an Informix smallint and writes it to the stream.

Parameters:

s - the java short to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeShort

public void writeShort(int i)
                throws java.io.IOException

Converts a java short to an Informix smallint and writes it to the stream.

Parameters:

s - the java short to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeShort

public void writeShort(short s)
                throws java.io.IOException

Throws:

java.io.IOException

writeLongInt

public void writeLongInt(long s)
                  throws java.io.IOException

Converts a java long to an Informix int8 and writes it to the stream.

Parameters:

s - the java long to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeLongBigint

public void writeLongBigint(long s)
                     throws java.io.IOException

Converts a java long to an Informix int8 and writes it to the stream.

Parameters:

s - the java long to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

writeLong

public void writeLong(long s)
               throws java.io.IOException

Converts a java long to an Informix int8 and writes it to the stream.

Parameters:

s - the java long to write to the stream.

Throws:

java.io.IOException - In case an I/O error occurs.

setByteCntAtEOT

public void setByteCntAtEOT()

This is to be called after SQ_EOT is sent every time . This stores number of bytes written at time this method was called in an integer variable byteCountAtEOT

getBytesSentSinceLastEOT

public int getBytesSentSinceLastEOT()

Returns:

int giving number of bytes written to stream since last SQ_EOT was sent to the server

clearTrace

protected void clearTrace()