org.apache.streams.twitter.converter.util

Class TwitterActivityUtil

java.lang.Object

org.apache.streams.twitter.converter.util.TwitterActivityUtil

public class TwitterActivityUtil
extends Object

Provides utilities for working with Activity objects within the context of Twitter.

Constructor Summary

Constructors

Constructor and Description
TwitterActivityUtil()

Method Summary

Modifier and Type	Method and Description
static void	addLocationExtension(Activity activity, Tweet tweet) Adds the location extension and populates with teh twitter data.
static void	addTwitterExtension(Activity activity, com.fasterxml.jackson.databind.node.ObjectNode event) Adds the given Twitter event to the activity as an extension.
static void	addTwitterExtensions(Activity activity, Tweet tweet) Takes various parameters from the twitter object that are currently not part of the activity schema and stores them in a generic extensions attribute.
static List<Double>	boundingBoxCenter(Place place) Compute central coordinates from bounding box.
static ActivityObject	buildActivityObject(Delete delete) Builds the ActivityObject for the delete event.
static ActivityObject	buildActivityObject(Tweet tweet) Creates an ActivityObject for the tweet.
static ActivityObject	buildActor(Delete delete) Builds the actor for a delete event.
static ActivityObject	buildActor(Tweet tweet) Builds the activity ActivityObject actor from the tweet.
static ActivityObject	buildActor(User user) Builds the activity ActivityObject actor from the User.
static ActivityObject	buildTarget(Tweet tweet) Builds the TargetObject from the tweet.
static String	formatId(String... idparts) Formats the ID to conform with the Apache Streams activity ID convention.
static List<String>	getLinks(Tweet tweet) Gets the links from the Twitter event
static Provider	getProvider() Gets the common twitter Provider object
static void	updateActivity(Delete delete, Activity activity) Updates the activity for a delete event.
static void	updateActivity(Tweet tweet, Activity activity) Updates the given Activity object with the values from the Tweet.
static void	updateActivity(User user, Activity activity) Updates the given Activity object with the values from the User
static void	updateActivityContent(Activity activity, Tweet tweet, String verb) Updates the content, and associated fields, with those from the given tweet

Methods inherited from class java.lang.Object

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

Constructor Detail

TwitterActivityUtil

public TwitterActivityUtil()

Method Detail

updateActivity

public static void updateActivity(Tweet tweet,
                                  Activity activity)
                           throws ActivityConversionException

Updates the given Activity object with the values from the Tweet.

Parameters:

tweet - the object to use as the source

activity - the target of the updates. Will receive all values from the tweet.

Throws:

ActivityConversionException - ActivityConversionException

updateActivity

public static void updateActivity(User user,
                                  Activity activity)

Updates the given Activity object with the values from the User

Parameters:

user - the object to use as the source

activity - the target of the updates. Will receive all values from the tweet.

updateActivity

public static void updateActivity(Delete delete,
                                  Activity activity)
                           throws ActivityConversionException

Updates the activity for a delete event.

Parameters:

delete - the delete event

activity - the Activity object to update

Throws:

ActivityConversionException - ActivityConversionException

buildActor

public static ActivityObject buildActor(Tweet tweet)

Builds the activity ActivityObject actor from the tweet.

Parameters:

tweet - the object to use as the source

Returns:

a valid Actor populated from the Tweet

buildActor

public static ActivityObject buildActor(User user)

Builds the activity ActivityObject actor from the User.

Parameters:

user - the object to use as the source

Returns:

a valid Actor populated from the Tweet

buildActor

public static ActivityObject buildActor(Delete delete)

Builds the actor for a delete event.

Parameters:

delete - the delete event

Returns:

a valid Actor

buildActivityObject

public static ActivityObject buildActivityObject(Tweet tweet)

Creates an ActivityObject for the tweet.

Parameters:

tweet - the object to use as the source

Returns:

a valid ActivityObject

buildActivityObject

public static ActivityObject buildActivityObject(Delete delete)

Builds the ActivityObject for the delete event.

Parameters:

delete - the delete event

Returns:

a valid Activity Object

updateActivityContent

public static void updateActivityContent(Activity activity,
                                         Tweet tweet,
                                         String verb)

Updates the content, and associated fields, with those from the given tweet

Parameters:

activity - the target of the updates. Will receive all values from the tweet.

tweet - the object to use as the source

verb - the verb for the given activity's type

getLinks

public static List<String> getLinks(Tweet tweet)

Gets the links from the Twitter event

Parameters:

tweet - the object to use as the source

Returns:

a list of links corresponding to the expanded URL (no t.co)

buildTarget

public static ActivityObject buildTarget(Tweet tweet)

Builds the TargetObject from the tweet.

Parameters:

tweet - the object to use as the source

Returns:

currently returns null for all activities

addLocationExtension

public static void addLocationExtension(Activity activity,
                                        Tweet tweet)

Adds the location extension and populates with teh twitter data.

Parameters:

activity - the Activity object to update

tweet - the object to use as the source

getProvider

public static Provider getProvider()

Gets the common twitter Provider object

Returns:

a provider object representing Twitter

addTwitterExtension

public static void addTwitterExtension(Activity activity,
                                       com.fasterxml.jackson.databind.node.ObjectNode event)

Adds the given Twitter event to the activity as an extension.

Parameters:

activity - the Activity object to update

event - the Twitter event to add as the extension

formatId

public static String formatId(String... idparts)

Formats the ID to conform with the Apache Streams activity ID convention.

Parameters:

idparts - the parts of the ID to join

Returns:

a valid Activity ID in format "id:twitter:part1:part2:...partN"

addTwitterExtensions

public static void addTwitterExtensions(Activity activity,
                                        Tweet tweet)

Takes various parameters from the twitter object that are currently not part of the activity schema and stores them in a generic extensions attribute.

Parameters:

activity - Activity

tweet - Tweet

boundingBoxCenter

public static List<Double> boundingBoxCenter(Place place)

Compute central coordinates from bounding box.

Parameters:

place - the bounding box to use as the source