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Oracle® Coherence Java API Reference
Release 3.7.0.0

E18683-01


com.tangosol.io
Class DebugDataOutputStream

java.lang.Object
  extended by java.io.OutputStream
      extended by java.io.FilterOutputStream
          extended by com.tangosol.io.DebugDataOutputStream

All Implemented Interfaces:
OutputStreaming, java.io.Closeable, java.io.DataOutput, java.io.Flushable

public class DebugDataOutputStream
extends java.io.FilterOutputStream
implements java.io.DataOutput, OutputStreaming

This is an imitation DataOutputStream class that logs the output in a human-readable format for debugging purposes. All output will be

Author:
cp 2004.08.06

Field Summary

 

Fields inherited from class java.io.FilterOutputStream
out

 

Constructor Summary
DebugDataOutputStream(java.io.OutputStream stream)
          Construct a DebugDataOutputStream that will output to the specified Stream object.

 

Method Summary
 void close()
          Closes this OutputStream and releases any associated system resources.
 void flush()
          Flushes this OutputStream and forces any buffered output bytes to be written.
static void main(java.lang.String[] asArg)
          Command line test.
protected  void println(java.lang.String s)
          Print the passed String to the underlying stream.
 void write(byte[] ab)
          Writes all the bytes in the array ab.
 void write(byte[] ab, int of, int cb)
          Writes cb bytes starting at offset of from the array ab.
 void write(int b)
          Writes the eight low-order bits of the argument b.
 void writeBoolean(boolean f)
          Writes the boolean value f.
 void writeByte(int b)
          Writes the eight low-order bits of the argument b.
 void writeBytes(java.lang.String s)
          Writes the String s, but only the low-order byte from each character of the String is written.
 void writeChar(int ch)
          Writes a char value, comprised of the 16 low-order bits of the argument ch; the 16 high-order bits of ch are ignored.
 void writeChars(java.lang.String s)
          Writes the String s as a sequence of characters.
 void writeDouble(double dfl)
          Writes a double value.
 void writeFloat(float fl)
          Writes a float value.
 void writeInt(int n)
          Writes an int value.
 void writeLong(long l)
          Writes a long value.
 void writeShort(int n)
          Writes a short value, comprised of the 16 low-order bits of the argument n; the 16 high-order bits of n are ignored.
 void writeUTF(java.lang.String s)
          Writes the String s as a sequence of characters, but using UTF-8 encoding for the characters, and including the String length data so that the corresponding DataInput.readUTF() method can reconstitute a String from the written data.

 

Constructor Detail

DebugDataOutputStream

public DebugDataOutputStream(java.io.OutputStream stream)
Construct a DebugDataOutputStream that will output to the specified Stream object.
Parameters:
stream - an OutputStream to write to

Method Detail

write

public void write(int b)
           throws java.io.IOException
Writes the eight low-order bits of the argument b. The 24 high-order bits of b are ignored.
Specified by:
write in interface OutputStreaming
Specified by:
write in interface java.io.DataOutput
Overrides:
write in class java.io.FilterOutputStream
Parameters:
b - the byte to write (passed as an integer)
Throws:
java.io.IOException - if an I/O error occurs

write

public void write(byte[] ab)
           throws java.io.IOException
Writes all the bytes in the array ab.
Specified by:
write in interface OutputStreaming
Specified by:
write in interface java.io.DataOutput
Overrides:
write in class java.io.FilterOutputStream
Parameters:
ab - the byte array to write
Throws:
java.io.IOException - if an I/O error occurs
java.lang.NullPointerException - if ab is null

write

public void write(byte[] ab,
                  int of,
                  int cb)
           throws java.io.IOException
Writes cb bytes starting at offset of from the array ab.
Specified by:
write in interface OutputStreaming
Specified by:
write in interface java.io.DataOutput
Overrides:
write in class java.io.FilterOutputStream
Parameters:
ab - the byte array to write from
of - the offset into ab to start writing from
cb - the number of bytes from ab to write
Throws:
java.io.IOException - if an I/O error occurs
java.lang.NullPointerException - if ab is null
java.lang.IndexOutOfBoundsException - if of is negative, or cb is negative, or of+cb is greater than ab.length

writeBoolean

public void writeBoolean(boolean f)
                  throws java.io.IOException
Writes the boolean value f.
Specified by:
writeBoolean in interface java.io.DataOutput
Parameters:
f - the boolean to be written
Throws:
java.io.IOException - if an I/O error occurs

writeByte

public void writeByte(int b)
               throws java.io.IOException
Writes the eight low-order bits of the argument b. The 24 high-order bits of b are ignored.
Specified by:
writeByte in interface java.io.DataOutput
Parameters:
b - the byte to write (passed as an integer)
Throws:
java.io.IOException - if an I/O error occurs

writeShort

public void writeShort(int n)
                throws java.io.IOException
Writes a short value, comprised of the 16 low-order bits of the argument n; the 16 high-order bits of n are ignored.
Specified by:
writeShort in interface java.io.DataOutput
Parameters:
n - the short to write (passed as an integer)
Throws:
java.io.IOException - if an I/O error occurs

writeChar

public void writeChar(int ch)
               throws java.io.IOException
Writes a char value, comprised of the 16 low-order bits of the argument ch; the 16 high-order bits of ch are ignored.
Specified by:
writeChar in interface java.io.DataOutput
Parameters:
ch - the char to write (passed as an integer)
Throws:
java.io.IOException - if an I/O error occurs

writeInt

public void writeInt(int n)
              throws java.io.IOException
Writes an int value.
Specified by:
writeInt in interface java.io.DataOutput
Parameters:
n - the int to write
Throws:
java.io.IOException - if an I/O error occurs

writeLong

public void writeLong(long l)
               throws java.io.IOException
Writes a long value.
Specified by:
writeLong in interface java.io.DataOutput
Parameters:
l - the long to write
Throws:
java.io.IOException - if an I/O error occurs

writeFloat

public void writeFloat(float fl)
                throws java.io.IOException
Writes a float value.
Specified by:
writeFloat in interface java.io.DataOutput
Parameters:
fl - the float to write
Throws:
java.io.IOException - if an I/O error occurs

writeDouble

public void writeDouble(double dfl)
                 throws java.io.IOException
Writes a double value.
Specified by:
writeDouble in interface java.io.DataOutput
Parameters:
dfl - the double to write
Throws:
java.io.IOException - if an I/O error occurs

writeBytes

public void writeBytes(java.lang.String s)
                throws java.io.IOException
Writes the String s, but only the low-order byte from each character of the String is written.
Specified by:
writeBytes in interface java.io.DataOutput
Parameters:
s - the String to write
Throws:
java.io.IOException - if an I/O error occurs
java.lang.NullPointerException - if s is null

writeChars

public void writeChars(java.lang.String s)
                throws java.io.IOException
Writes the String s as a sequence of characters.
Specified by:
writeChars in interface java.io.DataOutput
Parameters:
s - the String to write
Throws:
java.io.IOException - if an I/O error occurs
java.lang.NullPointerException - if s is null

writeUTF

public void writeUTF(java.lang.String s)
              throws java.io.IOException
Writes the String s as a sequence of characters, but using UTF-8 encoding for the characters, and including the String length data so that the corresponding DataInput.readUTF() method can reconstitute a String from the written data.
Specified by:
writeUTF in interface java.io.DataOutput
Parameters:
s - the String to write
Throws:
java.io.IOException - if an I/O error occurs
java.lang.NullPointerException - if s is null

flush

public void flush()
           throws java.io.IOException
Flushes this OutputStream and forces any buffered output bytes to be written.
Specified by:
flush in interface OutputStreaming
Specified by:
flush in interface java.io.Flushable
Overrides:
flush in class java.io.FilterOutputStream
Throws:
java.io.IOException - if an I/O error occurs

close

public void close()
           throws java.io.IOException
Closes this OutputStream and releases any associated system resources.
Specified by:
close in interface OutputStreaming
Specified by:
close in interface java.io.Closeable
Overrides:
close in class java.io.FilterOutputStream
Throws:
java.io.IOException - if an I/O error occurs

println

protected void println(java.lang.String s)
                throws java.io.IOException
Print the passed String to the underlying stream.
Parameters:
s - the String to print
Throws:
java.io.IOException

main

public static void main(java.lang.String[] asArg)
                 throws java.lang.Exception
Command line test.
Throws:
java.lang.Exception

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Oracle® Coherence Java API Reference
Release 3.7.0.0

E18683-01


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