org.appng.api.support

Class OptionsImpl

java.lang.Object

org.appng.api.support.OptionsImpl

All Implemented Interfaces:

Options

public class OptionsImpl
extends Object
implements Options

The default implementation for Options

Author:

Matthias Herlitzius, Matthias Müller

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,Option>	optionsMap

Constructor Summary

Constructors

Constructor and Description
OptionsImpl()

Method Summary

Modifier and Type	Method and Description
void	addOption(Option option)
Boolean	getBoolean(String name, String attribute) Returns a Boolean parsed from the attribute with the given name for the Option with the given name.
<E extends Enum<E>> E	getEnum(String name, String attribute, Class<E> type) Returns the Enum constant of the given type represented by the attribute with the given name for the Option with the given name.
Integer	getInteger(String name, String attribute) Returns an Integer parsed from the attribute with the given name for the Option with the given name.
Option	getOption(String name) Returns the Option with the given name, if present.
Set<String>	getOptionNames() Returns the names of all available Options
String	getOptionValue(String optionName, String attributeName) Returns the attribute with the given name for the Option with the given name.
String	getString(String name, String attribute) Returns the attribute with the given name for the Option with the given name.
boolean	hasOption(String name) Checks whether there is an Option with the given name.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

optionsMap

protected Map<String,Option> optionsMap

Constructor Detail

OptionsImpl

public OptionsImpl()

Method Detail

addOption

public void addOption(Option option)

getOption

public Option getOption(String name)

Description copied from interface: Options

Returns the Option with the given name, if present.

Specified by:

getOption in interface Options

Parameters:

name - the name of the Option to get

Returns:

the Option with the given name, if present, null otherwise

hasOption

public boolean hasOption(String name)

Description copied from interface: Options

Checks whether there is an Option with the given name.

Specified by:

hasOption in interface Options

Parameters:

name - the name of the Option to check

Returns:

true there is an Option with the given name, false otherwise

getOptionNames

public Set<String> getOptionNames()

Description copied from interface: Options

Returns the names of all available Options

Specified by:

getOptionNames in interface Options

Returns:

the names of all available Options

getOptionValue

public String getOptionValue(String optionName,
                             String attributeName)

Description copied from interface: Options

Returns the attribute with the given name for the Option with the given name.

Specified by:

getOptionValue in interface Options

Parameters:

optionName - the name of the Option to get the attribute from

attributeName - the name of the attribute of the Option

Returns:

the attribute with the given name, or null if either the Option or the attribute does not exist

toString

public String toString()

Overrides:

toString in class Object

getString

public String getString(String name,
                        String attribute)

Description copied from interface: Options

Returns the attribute with the given name for the Option with the given name.

Specified by:

getString in interface Options

Parameters:

name - the name of the Option to get the attribute from

attribute - the name of the attribute of the Option

Returns:

the attribute with the given name, or null if either the Option or the attribute does not exist

getInteger

public Integer getInteger(String name,
                          String attribute)

Description copied from interface: Options

Returns an Integer parsed from the attribute with the given name for the Option with the given name.

Specified by:

getInteger in interface Options

Parameters:

name - the name of the Option to get the attribute from

attribute - the name of the attribute of the Option

Returns:

the integer value, or null if either the Option or the attribute does not exist or the or the value can not be parsed to an integer

getBoolean

public Boolean getBoolean(String name,
                          String attribute)

Description copied from interface: Options

Returns a Boolean parsed from the attribute with the given name for the Option with the given name.

Specified by:

getBoolean in interface Options

Parameters:

name - the name of the Option to get the attribute from

attribute - the name of the attribute of the Option

Returns:

Boolean.TRUE if the value of the attribute equals to (ignoring case) true, Boolean.FALSE otherwise (also if no such Option exists)

getEnum

public <E extends Enum<E>> E getEnum(String name,
                                     String attribute,
                                     Class<E> type)

Description copied from interface: Options

Returns the Enum constant of the given type represented by the attribute with the given name for the Option with the given name.

Specified by:

getEnum in interface Options

Parameters:

name - the name of the Option to get the attribute from

attribute - the name of the attribute of the Option

Returns:

the enum constant, if the (upper-case) attribute value represents a valid enum of the given type, null otherwise (also if no such Option exists)