org.springframework.extensions.surf.util
Class PropertyCheck

java.lang.Object
  org.springframework.extensions.surf.util.PropertyCheck

public class PropertyCheck
extends Object

Helper class for for use when checking properties. This class uses I18N for its messages.

Author:

Derek Hulley

Field Summary

static String

ERR_PROPERTY_NOT_SET

Constructor Summary

PropertyCheck()

Method Summary

static String	getPropertyName(String value) Dig out the property name from a placeholder-style property of form ${prop.name}, which will yield prop.name.
static boolean	isValidPropertyString(String value) Checks that the given string is not: null empty a placeholder of form '${...}'
static void	mandatory(Object target, String propertyName, Object value) Checks that the property with the given name is not null.

Methods inherited from class java.lang.Object

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

Field Detail

ERR_PROPERTY_NOT_SET

public static final String ERR_PROPERTY_NOT_SET

See Also:

Constant Field Values

Constructor Detail

PropertyCheck

public PropertyCheck()

Method Detail

mandatory

public static void mandatory(Object target,
                             String propertyName,
                             Object value)

Checks that the property with the given name is not null.

Parameters:

target - the object on which the property must have been set

propertyName - the name of the property

value - of the property value

isValidPropertyString

public static boolean isValidPropertyString(String value)

Checks that the given string is not:

• null
• empty
• a placeholder of form '${...}'

Parameters:

value - the value to check

Returns:

true if the checks all pass

getPropertyName

public static String getPropertyName(String value)

Dig out the property name from a placeholder-style property of form ${prop.name}, which will yield prop.name. If the placeholders are not there, the value is returned directly. null values are not allowed, but empty strings are.

Parameters:

value - The property with or without property placeholders

Returns:

Returns the core property without the property placeholders ${ and }.

Throws:

IllegalArgumentException - if the value is null