com.groiss.util

Class Assert

java.lang.Object

com.groiss.util.Assert

public class Assert
extends java.lang.Object

Class for defining assertions.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Assert.Failed

Constructor Summary

Constructors

Constructor and Description
Assert()

Method Summary

Methods

Modifier and Type	Method and Description
static void	isFalse(boolean expression) Throws an exception if the given expression is true.
static void	isFalse(boolean expression, java.lang.String message) Throws an exception if the given expression is true.
static void	isTrue(boolean expression) Throws an exception if the given expression is false.
static void	isTrue(boolean expression, java.lang.String message) Throws an exception if the given expression is false.
static void	necessaryParameters(javax.servlet.http.HttpServletRequest req, java.lang.String... names) Check the presence of parameters

Methods inherited from class java.lang.Object

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

Constructor Detail

Assert

public Assert()

Method Detail

isTrue

public static final void isTrue(boolean expression)

Throws an exception if the given expression is false.

Parameters:

expression - a boolean expression

isFalse

public static final void isFalse(boolean expression)

Throws an exception if the given expression is true.

Parameters:

expression - a boolean expression

isTrue

public static final void isTrue(boolean expression,
          java.lang.String message)

Throws an exception if the given expression is false.

Parameters:

expression - a boolean expression

message - the message of the exception

isFalse

public static final void isFalse(boolean expression,
           java.lang.String message)

Throws an exception if the given expression is true.

Parameters:

expression - a boolean expression

message - the message of the exception

necessaryParameters

public static final void necessaryParameters(javax.servlet.http.HttpServletRequest req,
                       java.lang.String... names)

Check the presence of parameters

Parameters:

req - the request

names - list of parameter names