org.apache.stratos.messaging.util

Class MessagingUtil

java.lang.Object

org.apache.stratos.messaging.util.MessagingUtil

public class MessagingUtil
extends Object

Messaging module utility class

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MessagingUtil.Topics Enum for Messaging topics

Constructor Summary

Constructors

Constructor and Description
MessagingUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static String	getEventClassNameForTopic(String topic) Get the event name for topic
static String	getMessageTopicName(Event event) Get the Message topic name for event
static String	getMessagingProtocol()
static Integer	getNumericSystemProperty(Integer defaultValue, String propertyKey) Method to safely access numeric system properties
static Properties	getProperties(String filePath) Properties of the given file
static String	getRandomString(int len) Get the random string with UUID
static int	getSubscriberFailoverInterval() Fetch value from system param
static Object	jsonToObject(String json, Class type) Transform json into an object of given type.
static String	ObjectToJson(Object obj) Create a JSON string
static void	validateTenantRange(String tenantRange) Validate tenant range.

Methods inherited from class java.lang.Object

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

Constructor Detail

MessagingUtil

public MessagingUtil()

Method Detail

getProperties

public static Properties getProperties(String filePath)

Properties of the given file

Parameters:

filePath - path of the property file

Returns:

Properties of the given file

validateTenantRange

public static void validateTenantRange(String tenantRange)

Validate tenant range. Valid formats: Integer-Integer, Integer-* Examples: 1-100, 101-200, 201-*

Parameters:

tenantRange - Tenant range

jsonToObject

public static Object jsonToObject(String json,
                  Class type)

Transform json into an object of given type.

Parameters:

json - json string

type - type of the class

Returns:

Object of the json String

ObjectToJson

public static String ObjectToJson(Object obj)

Create a JSON string

Parameters:

obj - object

Returns:

JSON string

getSubscriberFailoverInterval

public static int getSubscriberFailoverInterval()

Fetch value from system param

Returns:

Fail over ping interval

getNumericSystemProperty

public static Integer getNumericSystemProperty(Integer defaultValue,
                               String propertyKey)

Method to safely access numeric system properties

Parameters:

defaultValue - default value of the property

propertyKey - property key

Returns:

Numeric system properties

getMessagingProtocol

public static String getMessagingProtocol()

getMessageTopicName

public static String getMessageTopicName(Event event)

Get the Message topic name for event

Parameters:

event - event name

Returns:

String topic name of the event

getEventClassNameForTopic

public static String getEventClassNameForTopic(String topic)

Get the event name for topic

Parameters:

topic - topic Name

Returns:

String Event name for topic

getRandomString

public static String getRandomString(int len)

Get the random string with UUID

Parameters:

len - length of the String

Returns:

Random String