net.roseboy.classfinal.util

类 CmdLineOption

java.lang.Object

net.roseboy.classfinal.util.CmdLineOption

public class CmdLineOption
extends java.lang.Object

命令行参数解析工具

作者:

roseboy

构造器概要

构造器

构造器和说明
CmdLineOption()

方法概要

限定符和类型	方法和说明
CmdLineOption	addOption(java.lang.String opt, boolean hasArg, java.lang.String description) Add an option that only contains a short-name.
java.lang.String	getOptionValue(java.lang.String opt) Retrieve the first argument, if any, of this option.
java.lang.String	getOptionValue(java.lang.String opt, java.lang.String dv) Retrieve the first argument, if any, of this option.
java.lang.String[]	getOptionValues(java.lang.String opt) Retrieves the array of values, if any, of an option.
boolean	hasOption(java.lang.String opt) Query to see if an option has been set.
CmdLineOption	parse(java.lang.String[] arguments) Parse the arguments according to the specified options.

从类继承的方法 java.lang.Object

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

构造器详细资料

CmdLineOption

public CmdLineOption()

方法详细资料

addOption

public CmdLineOption addOption(java.lang.String opt,
                               boolean hasArg,
                               java.lang.String description)

Add an option that only contains a short-name.

It may be specified as requiring an argument.

参数:

opt - Short single-character name of the option.

hasArg - flag signally if an argument is required after this option

description - Self-documenting description

返回:

the resulting Options instance

parse

public CmdLineOption parse(java.lang.String[] arguments)

Parse the arguments according to the specified options.

参数:

arguments - the command line arguments

返回:

CmdLineOption

getOptionValue

public java.lang.String getOptionValue(java.lang.String opt)

Retrieve the first argument, if any, of this option.

参数:

opt - the name of the option

返回:

Value of the argument if option is set, and has an argument, otherwise null.

getOptionValue

public java.lang.String getOptionValue(java.lang.String opt,
                                       java.lang.String dv)

Retrieve the first argument, if any, of this option.

参数:

opt - the name of the option

dv - default value

返回:

Value of the argument if option is set, and has an argument, otherwise null.

getOptionValues

public java.lang.String[] getOptionValues(java.lang.String opt)

Retrieves the array of values, if any, of an option.

参数:

opt - string name of the option

返回:

Values of the argument if option is set, and has an argument, otherwise null.

hasOption

public boolean hasOption(java.lang.String opt)

Query to see if an option has been set.

参数:

opt - Short name of the option

返回:

true if set, false if not