Package org.apache.commons.io.output
Class NullWriter
java.lang.Object
java.io.Writer
org.apache.commons.io.output.NullWriter
- All Implemented Interfaces:
Closeable
,Flushable
,Appendable
,AutoCloseable
Writes all data to the famous /dev/null.
This Writer
has no destination (file/socket etc.) and all characters written to it are ignored and lost.
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Field Summary
Fields -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionappend
(char c) Does nothing - output to/dev/null
.append
(CharSequence csq) Does nothing - output to/dev/null
.append
(CharSequence csq, int start, int end) Does nothing - output to/dev/null
.void
close()
void
flush()
void
write
(char[] chr) Does nothing - output to/dev/null
.void
write
(char[] chr, int st, int end) Does nothing - output to/dev/null
.void
write
(int idx) Does nothing - output to/dev/null
.void
Does nothing - output to/dev/null
.void
Does nothing - output to/dev/null
.Methods inherited from class java.io.Writer
nullWriter
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Field Details
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NULL_WRITER
A singleton.
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Constructor Details
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NullWriter
public NullWriter()Constructs a new NullWriter.
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Method Details
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append
Does nothing - output to/dev/null
.- Specified by:
append
in interfaceAppendable
- Overrides:
append
in classWriter
- Parameters:
c
- The character to write- Returns:
- this writer
- Since:
- 2.0
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append
Does nothing - output to/dev/null
.- Specified by:
append
in interfaceAppendable
- Overrides:
append
in classWriter
- Parameters:
csq
- The character sequence to writestart
- The index of the first character to writeend
- The index of the first character to write (exclusive)- Returns:
- this writer
- Since:
- 2.0
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append
Does nothing - output to/dev/null
.- Specified by:
append
in interfaceAppendable
- Overrides:
append
in classWriter
- Parameters:
csq
- The character sequence to write- Returns:
- this writer
- Since:
- 2.0
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write
Does nothing - output to/dev/null
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write
Does nothing - output to/dev/null
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write
Does nothing - output to/dev/null
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write
Does nothing - output to/dev/null
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write
Does nothing - output to/dev/null
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flush
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close
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