Package net.fortuna.ical4j.validate

Class ParameterValidator

java.lang.Object

net.fortuna.ical4j.validate.ParameterValidator

public final class ParameterValidator
extends Object

$Id$ [15-May-2004] Defines methods for validating parameters and parameter lists.

Field Summary

Fields

Modifier and Type	Field	Description
static String	ASSERT_NONE_MESSAGE
static String	ASSERT_ONE_MESSAGE
static String	ASSERT_ONE_OR_LESS_MESSAGE

Method Summary

Modifier and Type	Method	Description
static void	assertNone(String paramName, ParameterList parameters)	Ensure a parameter doesn't occur in the specified list.
static void	assertNullOrEqual(Parameter param, ParameterList parameters)
static void	assertOne(String paramName, ParameterList parameters)	Ensure a parameter occurs once.
static void	assertOneOrLess(String paramName, ParameterList parameters)	Ensure a parameter occurs no more than once.

Methods inherited from class java.lang.Object

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

Field Detail

ASSERT_NONE_MESSAGE

public static final String ASSERT_NONE_MESSAGE

See Also:

Constant Field Values

ASSERT_ONE_OR_LESS_MESSAGE

public static final String ASSERT_ONE_OR_LESS_MESSAGE

See Also:

Constant Field Values

ASSERT_ONE_MESSAGE

public static final String ASSERT_ONE_MESSAGE

See Also:

Constant Field Values

Method Detail

assertOneOrLess

public static void assertOneOrLess(String paramName,
                                   ParameterList parameters)
                            throws ValidationException

Ensure a parameter occurs no more than once.

Parameters:

paramName - the parameter name

parameters - a list of parameters to query

Throws:

ValidationException - when the specified parameter occurs more than once

assertOne

public static void assertOne(String paramName,
                             ParameterList parameters)
                      throws ValidationException

Ensure a parameter occurs once.

Parameters:

paramName - the parameter name

parameters - a list of parameters to query

Throws:

ValidationException - when the specified parameter does not occur once

assertNone

public static void assertNone(String paramName,
                              ParameterList parameters)
                       throws ValidationException

Ensure a parameter doesn't occur in the specified list.

Parameters:

paramName - the name of a parameter

parameters - a list of parameters

Throws:

ValidationException - thrown when the specified property is found in the list of properties

assertNullOrEqual

public static void assertNullOrEqual(Parameter param,
                                     ParameterList parameters)
                              throws ValidationException

Parameters:

param - a parameter instance

parameters - a list of parameters

Throws:

ValidationException - where the assertion fails