de.jstacs.io
Class ParameterSetParser

java.lang.Object
  de.jstacs.io.ParameterSetParser

public class ParameterSetParser
extends Object

This class extracts values from Parameters and creates instances of InstantiableFromParameterSets from a ParameterSet.

Author:

Jan Grau

Nested Class Summary

static class	ParameterSetParser.NotInstantiableException An Exception that is thrown if an instance of some class could not be created.
static class	ParameterSetParser.WrongParameterTypeException An Exception that is thrown if the DataType of a Parameter is not appropriate for some purpose.

Constructor Summary

ParameterSetParser()

Method Summary

static boolean	getBooleanFromParameter(Parameter par) Returns the boolean which is the value of the Parameter par.
static byte	getByteFromParameter(Parameter par) Returns the byte which is the value of the Parameter par.
static double	getDoubleFromParameter(Parameter par) Returns the double which is the value of the Parameter par.
static float	getFloatFromParameter(Parameter par) Returns the float which is the value of the Parameter par.
static <T extends InstantiableFromParameterSet> T	getInstanceFromParameterSet(InstanceParameterSet<T> pars) Returns an instance of a subclass of InstantiableFromParameterSet that can be instantiated by the InstanceParameterSet pars.
static <T extends InstantiableFromParameterSet> T	getInstanceFromParameterSet(ParameterSet pars, Class<T> instanceClass) Returns an instance of a subclass of InstantiableFromParameterSet that can be instantiated by the ParameterSet pars.
static int	getIntFromParameter(Parameter par) Returns the int which is the value of the Parameter par.
static long	getLongFromParameter(Parameter par) Returns the long which is the value of the Parameter par.
static short	getShortFromParameter(Parameter par) Returns the short which is the value of the Parameter par.
static String	getStringFromParameter(Parameter par) Returns the String which is the value of the Parameter par.

Methods inherited from class java.lang.Object

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

Constructor Detail

ParameterSetParser

public ParameterSetParser()

Method Detail

getIntFromParameter

public static int getIntFromParameter(Parameter par)
                               throws ParameterSetParser.WrongParameterTypeException

Returns the int which is the value of the Parameter par.

Parameters:

par - the Parameter

Returns:

the int value of the Parameter

Throws:

ParameterSetParser.WrongParameterTypeException - if par is not a Parameter of type int, i.e. its DataType is not DataType.INT

See Also:

DataType, DataType.INT

getFloatFromParameter

public static float getFloatFromParameter(Parameter par)
                                   throws ParameterSetParser.WrongParameterTypeException

Returns the float which is the value of the Parameter par.

Parameters:

par - the Parameter

Returns:

the float value of the Parameter

Throws:

ParameterSetParser.WrongParameterTypeException - if par is not a Parameter of type float, i.e. its DataType is not DataType.FLOAT

See Also:

DataType, DataType.FLOAT

getDoubleFromParameter

public static double getDoubleFromParameter(Parameter par)
                                     throws ParameterSetParser.WrongParameterTypeException

Returns the double which is the value of the Parameter par.

Parameters:

par - the Parameter

Returns:

the double value of the Parameter

Throws:

ParameterSetParser.WrongParameterTypeException - if par is not a Parameter of type double, i.e. its DataType is not DataType.DOUBLE

See Also:

DataType, DataType.DOUBLE

getShortFromParameter

public static short getShortFromParameter(Parameter par)
                                   throws ParameterSetParser.WrongParameterTypeException

Returns the short which is the value of the Parameter par.

Parameters:

par - the Parameter

Returns:

the short value of the Parameter

Throws:

ParameterSetParser.WrongParameterTypeException - if par is not a Parameter of type short, i.e. its DataType is not DataType.SHORT

See Also:

DataType, DataType.SHORT

getLongFromParameter

public static long getLongFromParameter(Parameter par)
                                 throws ParameterSetParser.WrongParameterTypeException

Returns the long which is the value of the Parameter par.

Parameters:

par - the Parameter

Returns:

the long value of the Parameter

Throws:

ParameterSetParser.WrongParameterTypeException - if par is not a Parameter of type long, i.e. its DataType is not DataType.LONG

See Also:

DataType, DataType.LONG

getByteFromParameter

public static byte getByteFromParameter(Parameter par)
                                 throws ParameterSetParser.WrongParameterTypeException

Returns the byte which is the value of the Parameter par.

Parameters:

par - the Parameter

Returns:

the byte value of the Parameter

Throws:

ParameterSetParser.WrongParameterTypeException - if par is not a Parameter of type byte, i.e. its DataType is not DataType.BYTE

See Also:

DataType, DataType.BYTE

getBooleanFromParameter

public static boolean getBooleanFromParameter(Parameter par)
                                       throws ParameterSetParser.WrongParameterTypeException

Returns the boolean which is the value of the Parameter par.

Parameters:

par - the Parameter

Returns:

the boolean value of the Parameter

Throws:

ParameterSetParser.WrongParameterTypeException - if par is not a Parameter of type boolean, i.e. its DataType is not DataType.BOOLEAN

See Also:

DataType, DataType.BOOLEAN

getStringFromParameter

public static String getStringFromParameter(Parameter par)
                                     throws ParameterSetParser.WrongParameterTypeException

Returns the String which is the value of the Parameter par.

Parameters:

par - the Parameter

Returns:

the String value of the Parameter

Throws:

ParameterSetParser.WrongParameterTypeException - if par is not a Parameter of type String, i.e. its DataType is not DataType.STRING

See Also:

DataType, DataType.STRING

getInstanceFromParameterSet

public static <T extends InstantiableFromParameterSet> T getInstanceFromParameterSet(InstanceParameterSet<T> pars)
                                                                          throws ParameterSetParser.NotInstantiableException

Returns an instance of a subclass of InstantiableFromParameterSet that can be instantiated by the InstanceParameterSet pars. The instance class is taken from pars via the method InstanceParameterSet.getInstanceClass().

Type Parameters:

T - the type of the InstanceParameterSet

Parameters:

pars - the InstanceParameterSet

Returns:

the instance

Throws:

ParameterSetParser.NotInstantiableException - if InstanceParameterSet.getInstanceClass() of pars is null, could not be found or cannot be instantiated from pars

See Also:

InstanceParameterSet.getInstanceClass(), getInstanceFromParameterSet(ParameterSet, Class)

getInstanceFromParameterSet

public static <T extends InstantiableFromParameterSet> T getInstanceFromParameterSet(ParameterSet pars,
                                                                                     Class<T> instanceClass)
                                                                          throws ParameterSetParser.NotInstantiableException

Returns an instance of a subclass of InstantiableFromParameterSet that can be instantiated by the ParameterSet pars. The instance class is taken from instanceClass.

Type Parameters:

T - the type of the InstanceParameterSet

Parameters:

pars - the ParameterSet

instanceClass - the class that shall be instantiated

Returns:

the instance

Throws:

ParameterSetParser.NotInstantiableException - if instanceClass is null, could not be found or cannot be instantiated from pars