javawebparts.filter
Class CompressionResStream

java.lang.Object
  |
  +--java.io.OutputStream
        |
        +--javax.servlet.ServletOutputStream
              |
              +--javawebparts.filter.CompressionResStream

public class CompressionResStream

extends javax.servlet.ServletOutputStream

This class is used to do compression.

Author:

Frank W. Zammetti.

Field Summary

private java.io.ByteArrayOutputStream	ba ByteArrayOutputStream ba.
private java.lang.String	compressionType What type of compression we are doing.
private java.util.zip.DeflaterOutputStream	ops Our output stream.
private javax.servlet.ServletOutputStream	out ServletOutputStream out.
private javax.servlet.http.HttpServletResponse	resp Reference to the response being serviced.

Fields inherited from class javax.servlet.ServletOutputStream

Constructor Summary

CompressionResStream(javax.servlet.http.HttpServletResponse inResponse, java.lang.String ct)
Constructor.

Method Summary

void	close() Clean up.
void	flush() Flush the output stream.
void	write(byte[] bytes) Writes a byte array to the output stream.
void	write(byte[] bytes, int o, int leng) Writes a byte array to the output stream.
void	write(int b) Writes a single byte to the output stream.

Methods inherited from class javax.servlet.ServletOutputStream

print, print, print, print, print, print, print, println, println, println, println, println, println, println, println

Methods inherited from class java.lang.Object

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

Field Detail

ba

private java.io.ByteArrayOutputStream ba

ByteArrayOutputStream ba.

ops

private java.util.zip.DeflaterOutputStream ops

Our output stream. Will either be a GZipOutputStream (subclass of DeflaterOutputStream) or an actual DeflaterOutputStream, depending on what type of compression it is configured to do.

resp

private javax.servlet.http.HttpServletResponse resp

Reference to the response being serviced.

out

private javax.servlet.ServletOutputStream out

ServletOutputStream out.

compressionType

private java.lang.String compressionType

What type of compression we are doing.

Constructor Detail

CompressionResStream

public CompressionResStream(javax.servlet.http.HttpServletResponse inResponse,
                            java.lang.String ct)
                     throws java.io.IOException

Constructor.

Parameters:

inResponse - The HTTPServletResponse being services.

ct - What type of compression to perform.

Throws:

java.io.IOException - IOException.

Method Detail

write

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

Writes a single byte to the output stream.

Specified by:

write in class java.io.OutputStream

Parameters:

b - A single byte to write.

Throws:

java.io.IOException - IOException.

close

public void close()
           throws java.io.IOException

Clean up.

Overrides:

close in class java.io.OutputStream

Throws:

java.io.IOException - IOException.

write

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

Writes a byte array to the output stream.

Overrides:

write in class java.io.OutputStream

Parameters:

bytes - Byte array.

Throws:

java.io.IOException - IOException.

write

public void write(byte[] bytes,
                  int o,
                  int leng)
           throws java.io.IOException

Writes a byte array to the output stream.

Overrides:

write in class java.io.OutputStream

Parameters:

bytes - Byte array.

o - o.

leng - Length.

Throws:

java.io.IOException - IOEXception.

flush

public void flush()
           throws java.io.IOException

Flush the output stream.

Overrides:

flush in class java.io.OutputStream

Throws:

java.io.IOException - IOException.