org.knime.base.util
Class NullPrintStream

java.lang.Object
  extended by java.io.OutputStream
      extended by java.io.FilterOutputStream
          extended by java.io.PrintStream
              extended by org.knime.base.util.NullPrintStream
All Implemented Interfaces:
Closeable, Flushable, Appendable

public final class NullPrintStream
extends PrintStream

Very simple stream that just swallows everything that is written to it. This class is a singleton, use the INSTANCE field to get access to the its single instance.

Author:
Thorsten Meinl, University of Konstanz

Field Summary
static NullPrintStream INSTANCE
          The singleton instance of this NullPrintStream.
 
Fields inherited from class java.io.FilterOutputStream
out
 
Method Summary
 PrintStream append(char c)
          
 PrintStream append(CharSequence csq)
          
 PrintStream append(CharSequence csq, int start, int end)
          
 boolean checkError()
          
 void close()
          
 void flush()
          
 PrintStream format(Locale l, String format, Object... args)
          
 PrintStream format(String format, Object... args)
          
 void print(boolean b)
          
 void print(char c)
          
 void print(char[] s)
          
 void print(double d)
          
 void print(float f)
          
 void print(int i)
          
 void print(long l)
          
 void print(Object obj)
          
 void print(String s)
          
 PrintStream printf(Locale l, String format, Object... args)
          
 PrintStream printf(String format, Object... args)
          
 void println()
          
 void println(boolean x)
          
 void println(char x)
          
 void println(char[] x)
          
 void println(double x)
          
 void println(float x)
          
 void println(int x)
          
 void println(long x)
          
 void println(Object x)
          
 void println(String x)
          
 void write(byte[] buf, int off, int len)
          
 void write(int b)
          
 
Methods inherited from class java.io.PrintStream
clearError, setError
 
Methods inherited from class java.io.FilterOutputStream
write
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

INSTANCE

public static final NullPrintStream INSTANCE
The singleton instance of this NullPrintStream.

Method Detail

append

public PrintStream append(char c)

Specified by:
append in interface Appendable
Overrides:
append in class PrintStream

append

public PrintStream append(CharSequence csq,
                          int start,
                          int end)

Specified by:
append in interface Appendable
Overrides:
append in class PrintStream

append

public PrintStream append(CharSequence csq)

Specified by:
append in interface Appendable
Overrides:
append in class PrintStream

checkError

public boolean checkError()

Overrides:
checkError in class PrintStream

close

public void close()

Specified by:
close in interface Closeable
Overrides:
close in class PrintStream

flush

public void flush()

Specified by:
flush in interface Flushable
Overrides:
flush in class PrintStream

format

public PrintStream format(Locale l,
                          String format,
                          Object... args)

Overrides:
format in class PrintStream

format

public PrintStream format(String format,
                          Object... args)

Overrides:
format in class PrintStream

print

public void print(boolean b)

Overrides:
print in class PrintStream

print

public void print(char c)

Overrides:
print in class PrintStream

print

public void print(char[] s)

Overrides:
print in class PrintStream

print

public void print(double d)

Overrides:
print in class PrintStream

print

public void print(float f)

Overrides:
print in class PrintStream

print

public void print(int i)

Overrides:
print in class PrintStream

print

public void print(long l)

Overrides:
print in class PrintStream

print

public void print(Object obj)

Overrides:
print in class PrintStream

print

public void print(String s)

Overrides:
print in class PrintStream

printf

public PrintStream printf(Locale l,
                          String format,
                          Object... args)

Overrides:
printf in class PrintStream

printf

public PrintStream printf(String format,
                          Object... args)

Overrides:
printf in class PrintStream

println

public void println()

Overrides:
println in class PrintStream

println

public void println(boolean x)

Overrides:
println in class PrintStream

println

public void println(char x)

Overrides:
println in class PrintStream

println

public void println(char[] x)

Overrides:
println in class PrintStream

println

public void println(double x)

Overrides:
println in class PrintStream

println

public void println(float x)

Overrides:
println in class PrintStream

println

public void println(int x)

Overrides:
println in class PrintStream

println

public void println(long x)

Overrides:
println in class PrintStream

println

public void println(Object x)

Overrides:
println in class PrintStream

println

public void println(String x)

Overrides:
println in class PrintStream

write

public void write(byte[] buf,
                  int off,
                  int len)

Overrides:
write in class PrintStream

write

public void write(int b)

Overrides:
write in class PrintStream


Copyright, 2003 - 2010. All rights reserved.
University of Konstanz, Germany.
Chair for Bioinformatics and Information Mining, Prof. Dr. Michael R. Berthold.
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