dk.heick.properties.collections

Class PropertyCollectionUtil

java.lang.Object

dk.heick.properties.collections.PropertyCollectionUtil

public class PropertyCollectionUtil
extends Object

Utility class contain methods for PropertyCollections.

Author:

Frederik Heick

Field Summary

Fields

Modifier and Type	Field and Description
static char	DEFAULT_SUBNAME_DIVIDER The default divider for sub names grouping, the value is [.]

Method Summary

Modifier and Type	Method and Description
static int	getInvalidCount(List<PropertyValidationVO> list) Gets how many is invalid in a list of PropertyValidationVO
static String	getPropertyGroupName(Property<?> property) Gets the "group" of the property name using the default divider.
static String	getPropertyGroupName(Property<?> property, char subNameDivider) Gets the "group" of the property name
static List<Property<?>>	getPropertyListStartWiths(PropertyCollection collection, String name, boolean caseSensitive) Retrieves a list of properties which name starts with a specific string.
static List<String>	getPropertyNameGroups(PropertyCollection collection) See method [getPropertyNameGroups(PropertyCollection, boolean, char)] for description.
static List<String>	getPropertyNameGroups(PropertyCollection collection, char subNameDivider) This methods returns a list of group names, which the properties can de divided into.
static int	getValidCount(List<PropertyValidationVO> list) Gets how many is valid in a list of PropertyValidationVO

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SUBNAME_DIVIDER

public static final char DEFAULT_SUBNAME_DIVIDER

The default divider for sub names grouping, the value is [.]

See Also:

Constant Field Values

Method Detail

getPropertyNameGroups

public static List<String> getPropertyNameGroups(PropertyCollection collection)

See method [getPropertyNameGroups(PropertyCollection, boolean, char)] for description.

• subNameDivider is DEFAULT_SUBNAME_DIVIDER which is [.]

Parameters:

collection - The collection of properties to group names.

Returns:

a sorted list of unique string of the part of the property name before the subNameDivider

See Also:

getPropertyNameGroups(PropertyCollection, char)

getPropertyNameGroups

public static List<String> getPropertyNameGroups(PropertyCollection collection,
                                                 char subNameDivider)

This methods returns a list of group names, which the properties can de divided into.
This typically used with view a list of properties on a web pages/gui, where it can be a nice feature to group them a bit.
This is done by group all property names by the part of property name which is before the subNameDivider.

Example where subNameDivider is [.] :

• awt.toolkit -> awt
• java.class.path -> java
• java.version -> java
• os.name -> os
• user.name -> user

Parameters:

collection - The collection of properties to group names.

subNameDivider - the char which divides the property name into parts.

Returns:

a sorted list of unique string of the part of the property name before the subNameDivider

getPropertyGroupName

public static String getPropertyGroupName(Property<?> property,
                                          char subNameDivider)

Gets the "group" of the property name

Parameters:

property - the property which name we analyze.

subNameDivider - the char to look for in the name.

Returns:

the substring to the first encounter of subNameDivider, trimmed and lowercased.

getPropertyGroupName

public static String getPropertyGroupName(Property<?> property)

Gets the "group" of the property name using the default divider.

Parameters:

property - the property

Returns:

the group name

See Also:

DEFAULT_SUBNAME_DIVIDER

getPropertyListStartWiths

public static List<Property<?>> getPropertyListStartWiths(PropertyCollection collection,
                                                          String name,
                                                          boolean caseSensitive)

Retrieves a list of properties which name starts with a specific string.

Parameters:

collection - The collection of properties.

name - the names which the property must start with.

caseSensitive - the name compare sensitive or not.

Returns:

a sorted list of Property's which names start with a certain string.

getValidCount

public static int getValidCount(List<PropertyValidationVO> list)

Gets how many is valid in a list of PropertyValidationVO

Parameters:

list - the list.

Returns:

how many in the list is VALID. If the list is null 0 is returned.

getInvalidCount

public static int getInvalidCount(List<PropertyValidationVO> list)

Gets how many is invalid in a list of PropertyValidationVO

Parameters:

list - the list.

Returns:

how many in the list is INVALID. If the list is null 0 is returned.