kieker.tools.common

Class ParameterEvaluationUtils

java.lang.Object

kieker.tools.common.ParameterEvaluationUtils

public final class ParameterEvaluationUtils
extends java.lang.Object

Collection of command line parameter evaluation functions.

Since:

1.15

Author:

Reiner Jung

Method Summary

Modifier and Type	Method and Description
static boolean	checkDirectory(java.io.File location, java.lang.String label, com.beust.jcommander.JCommander commander) Check whether the given handle refers to an existing directory.
static java.net.URL	createURL(java.lang.String urlString, java.lang.String label) Create an URL from a given string.
static boolean	isFileReadable(java.io.File file, java.lang.String label, com.beust.jcommander.JCommander commander) Check whether a specified file is readable.

Methods inherited from class java.lang.Object

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

Method Detail

checkDirectory

public static boolean checkDirectory(java.io.File location,
                                     java.lang.String label,
                                     com.beust.jcommander.JCommander commander)

Check whether the given handle refers to an existing directory.

Parameters:

location - path to the directory

label - noun or phrase indicating the parameter of the given location, e.g., "input directory"

commander - command line handler used to plot the usage message

Returns:

returns true if the directory exists, else false

isFileReadable

public static boolean isFileReadable(java.io.File file,
                                     java.lang.String label,
                                     com.beust.jcommander.JCommander commander)

Check whether a specified file is readable.

Parameters:

file - the file handle

label - noun or phrase indicating the parameter of the given location, e.g., "configuration file"

commander - command line handler used to plot the usage message

Returns:

true when the file is readable

createURL

public static java.net.URL createURL(java.lang.String urlString,
                                     java.lang.String label)

Create an URL from a given string.

Parameters:

urlString - the url string

label - label used to indicate which string

Returns:

returns an URL or null on error