org.apache.karaf.shell.commands

Class WcAction

java.lang.Object

org.apache.karaf.shell.console.AbstractAction

org.apache.karaf.shell.commands.WcAction

All Implemented Interfaces:

org.apache.felix.gogo.commands.Action

public class WcAction
extends org.apache.karaf.shell.console.AbstractAction

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	WcAction.WordCounts Represent a basic object which stores the relevant counts information.

Field Summary

Fields inherited from class org.apache.karaf.shell.console.AbstractAction

log, session

Constructor Summary

Constructors

Constructor and Description
WcAction()

Method Summary

Methods

Modifier and Type	Method and Description
protected Object	doExecute()
protected String	formatWordCounts(WcAction.WordCounts wordCounts, String reportName) Create a human readable String of the given count information.
protected String	getFilesWordCount(List<File> files) Create a combined word count for the given files.
protected WcAction.WordCounts	getWordCounts(InputStream inputStream) Perform the main logic of counting the relevant data within a given input stream.
protected void	setDefaultOptions()

Methods inherited from class org.apache.karaf.shell.console.AbstractAction

execute

Methods inherited from class java.lang.Object

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

Constructor Detail

WcAction

public WcAction()

Method Detail

doExecute

protected Object doExecute()
                    throws Exception

Specified by:

doExecute in class org.apache.karaf.shell.console.AbstractAction

Throws:

Exception

setDefaultOptions

protected void setDefaultOptions()

getFilesWordCount

protected String getFilesWordCount(List<File> files)
                            throws IOException

Create a combined word count for the given files. If there are more than one file supplied, a total row will be added.

Parameters:

files - the files to word count.

Returns:

the word count result.

Throws:

IOException - in case of counting failure.

getWordCounts

protected WcAction.WordCounts getWordCounts(InputStream inputStream)
                                     throws IOException

Perform the main logic of counting the relevant data within a given input stream.

Note, a line is considered to be terminated by linefeed '\n' or carriage return '\r' a previous linefeed will be consumed.

This method assumed UTF-8.

Parameters:

inputStream - the input stream where to count.

Returns:

the word counts.

Throws:

IOException - in case of counting failure.

formatWordCounts

protected String formatWordCounts(WcAction.WordCounts wordCounts,
                      String reportName)

Create a human readable String of the given count information.

Parameters:

wordCounts - the word counts containing the different counts data.

reportName - the name associated with the word counts, ie a file name.

Returns:

the human readable String.