Package de.intarsys.tools.reader
Class LogReader
- java.lang.Object
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- java.io.Reader
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- java.io.FilterReader
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- de.intarsys.tools.reader.LogReader
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- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
,java.lang.Readable
public class LogReader extends java.io.FilterReader
A reader that logs any char read.The reader is piped in the reading process, any characters read are written to an associated writer object.
Client -> LogReader -> Reader -> Source | v Writer
todo make closing of associated writer configurable
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Constructor Summary
Constructors Constructor Description LogReader(java.io.Reader in, java.io.Writer w)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
close()
java.io.Writer
getLog()
int
read()
int
read(char[] cbuf, int off, int len)
Read characters into a portion of an array.void
setLog(java.io.Writer newLog)
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Method Detail
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close
public void close() throws java.io.IOException
- Specified by:
close
in interfacejava.lang.AutoCloseable
- Specified by:
close
in interfacejava.io.Closeable
- Overrides:
close
in classjava.io.FilterReader
- Throws:
java.io.IOException
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getLog
public java.io.Writer getLog()
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read
public int read() throws java.io.IOException
- Overrides:
read
in classjava.io.FilterReader
- Throws:
java.io.IOException
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read
public int read(char[] cbuf, int off, int len) throws java.io.IOException
Read characters into a portion of an array. This method will block until some input is available, an I/O error occurs, or the end of the stream is reached.- Overrides:
read
in classjava.io.FilterReader
- Parameters:
cbuf
- Destination bufferoff
- Offset at which to start storing characterslen
- Maximum number of characters to read- Returns:
- The number of characters read, or -1 if the end of the stream has been reached
- Throws:
java.io.IOException
- If an I/O error occurs
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setLog
public void setLog(java.io.Writer newLog)
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