org.unix4j.unix.grep

Class CountMatchingLinesProcessor

java.lang.Object

org.unix4j.processor.DefaultInputProcessor

org.unix4j.unix.grep.CountMatchingLinesProcessor

All Implemented Interfaces:

InputProcessor, LineProcessor

final class CountMatchingLinesProcessor
extends DefaultInputProcessor
implements LineProcessor

Counts the matching lines and writes the count and the file name to the output. The matching operation is delegated to the LineMatcher passed to the constructor.

Constructor Summary

Constructors

Constructor and Description
CountMatchingLinesProcessor(GrepCommand command, ExecutionContext context, LineProcessor output, LineMatcher matcher)

Method Summary

Methods

Modifier and Type	Method and Description
void	begin(Input input, LineProcessor output)
void	finish()
void	finish(Input input, LineProcessor output)
boolean	processLine(Input input, Line line, LineProcessor output)
boolean	processLine(Line line)

Methods inherited from class java.lang.Object

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

Constructor Detail

CountMatchingLinesProcessor

public CountMatchingLinesProcessor(GrepCommand command,
                           ExecutionContext context,
                           LineProcessor output,
                           LineMatcher matcher)

Method Detail

begin

public void begin(Input input,
         LineProcessor output)

Specified by:

begin in interface InputProcessor

Overrides:

begin in class DefaultInputProcessor

processLine

public boolean processLine(Line line)

Specified by:

processLine in interface LineProcessor

processLine

public boolean processLine(Input input,
                  Line line,
                  LineProcessor output)

Specified by:

processLine in interface InputProcessor

Overrides:

processLine in class DefaultInputProcessor

finish

public void finish(Input input,
          LineProcessor output)

Specified by:

finish in interface InputProcessor

Overrides:

finish in class DefaultInputProcessor

finish

public void finish()

Specified by:

finish in interface LineProcessor