Chapter 90. LinkedIn

LinkedIn Component

Available as of Camel 2.14

The LinkedIn component provides access to all of LinkedIn REST APIs documented at https://developer.linkedin.com/rest.

LinkedIn uses OAuth2.0 for all client application authentication. In order to use camel-linkedin with your account, you'll need to create a new application for LinkedIn at https://www.linkedin.com/secure/developer. The LinkedIn application's client id and secret will allow access to LinkedIn REST APIs which require a current user. A user access token is generated and managed by component for an end user. Alternatively the Camel application can register an implementation of org.apache.camel.component.linkedin.api.OAuthSecureStorage to provide an org.apache.camel.component.linkedin.apiOAuthToken OAuth token.

Maven users will need to add the following dependency to their pom.xml for this component:

<dependency>
    <groupId>org.apache.camel</groupId>
    <artifactId>camel-linkedin</artifactId>
    <version>${camel-version}</version>
</dependency>

URI format

linkedin://endpoint-prefix/endpoint?[options]

Where endpoint-prefix can be one of:

comments
companies
groups
jobs
people
posts
search

LinkedInComponent

The LinkedIn Component can be configured with the options below. These options can be provided using the component's bean property configuration of type org.apache.camel.component.linkedin.LinkedInConfiguration.

Option	Type	Description
`clientId`	`String`	LinkedIn application client ID
`clientSecret`	`String`	LinkedIn application client secret
`httpParams`	`java.util.Map`	Custom HTTP params, for example proxy host and port, use constants from AllClientPNames
`lazyAuth`	`boolean`	Flag to enable/disable lazy OAuth, default is true. when enabled, OAuth token retrieval or generation is not done until the first REST call
`redirectUri`	`String`	Application redirect URI, although the component never redirects to this page to avoid having to have a functioning redirect server. So for testing one could use https://localhost
`scopes`	`org.apache.camel.component.linkedin.api.OAuthScope[]`	List of LinkedIn scopes as specified at https://developer.linkedin.com/documents/authentication#granting
`secureStorage`	`org.apache.camel.component.linkedin.api.OAuthSecureStorage`	Callback interface for providing an OAuth token or to store the token generated by the component. The callback should return null on the first call and then save the created token in the saveToken() callback. If the callback returns null the first time, a userPassword MUST be provided
`userName`	`String`	LinkedIn user account name, MUST be provided
`userPassword`	`String`	LinkedIn account password

Producer Endpoints:

Producer endpoints can use endpoint prefixes followed by endpoint names and associated options described next. A shorthand alias can be used for some endpoints. The endpoint URI MUST contain a prefix.

Endpoint options that are not mandatory are denoted by []. When there are no mandatory options for an endpoint, one of the set of [] options MUST be provided. Producer endpoints can also use a special option inBody that in turn should contain the name of the endpoint option whose value will be contained in the Camel Exchange In message.

Any of the endpoint options can be provided in either the endpoint URI, or dynamically in a message header. The message header name must be of the format CamelLinkedIn.<option>. Note that the inBody option overrides message header, i.e. the endpoint option inBody=option would override a CamelLinkedIn.option header.

For more information on the endpoints and options see LinkedIn REST API documentation at https://developer.linkedin.com/rest.

Endpoint prefix comments

The following endpoints can be invoked with the prefix comments as follows:

linkedin://comments/endpoint?[options]

Endpoint	Shorthand Alias	Options	Result Body Type
`getComment`	`comment`	`comment_id`, `fields`	`org.apache.camel.component.linkedin.api.model.Comment`
`removeComment`	`comment`	`comment_id`

URI Options for comments

Name	Type
`comment_id`	`String`
`fields`	`String`

Endpoint prefix companies

The following endpoints can be invoked with the prefix companies as follows:

linkedin://companies/endpoint?[options]

Endpoint	Shorthand Alias	Options	Result Body Type
`addCompanyUpdateComment`	`companyUpdateComment`	`company_id`, `update_key`, `updatecomment`
`addCompanyUpdateCommentAsCompany`	`companyUpdateCommentAsCompany`	`company_id`, `update_key`, `updatecomment`
`addShare`	`share`	`company_id`, `share`
`getCompanies`	`companies`	`email_domain`, `fields`, `is_company_admin`	`org.apache.camel.component.linkedin.api.model.Companies`
`getCompanyById`	`companyById`	`company_id`, `fields`	`org.apache.camel.component.linkedin.api.model.Company`
`getCompanyByName`	`companyByName`	`fields`, `universal_name`	`org.apache.camel.component.linkedin.api.model.Company`
`getCompanyUpdateComments`	`companyUpdateComments`	`company_id`, `fields`, `secure_urls`, `update_key`	`org.apache.camel.component.linkedin.api.model.Comments`
`getCompanyUpdateLikes`	`companyUpdateLikes`	`company_id`, `fields`, `secure_urls`, `update_key`	`org.apache.camel.component.linkedin.api.model.Likes`
`getCompanyUpdates`	`companyUpdates`	`company_id`, `count`, `event_type`, `fields`, `start`	`org.apache.camel.component.linkedin.api.model.Updates`
`getHistoricalFollowStatistics`	`historicalFollowStatistics`	`company_id`, `end_timestamp`, `start_timestamp`, `time_granularity`	`org.apache.camel.component.linkedin.api.model.HistoricalFollowStatistics`
`getHistoricalStatusUpdateStatistics`	`historicalStatusUpdateStatistics`	`company_id`, `end_timestamp`, `start_timestamp`, `time_granularity`, `update_key`	`org.apache.camel.component.linkedin.api.model.HistoricalStatusUpdateStatistics`
`getNumberOfFollowers`	`numberOfFollowers`	`companySizes`, `company_id`, `geos`, `industries`, `jobFunc`, `seniorities`	`org.apache.camel.component.linkedin.api.model.NumFollowers`
`getStatistics`	`statistics`	`company_id`	`org.apache.camel.component.linkedin.api.model.CompanyStatistics`
`isShareEnabled`		`company_id`	`org.apache.camel.component.linkedin.api.model.IsCompanyShareEnabled`
`isViewerShareEnabled`		`company_id`	`org.apache.camel.component.linkedin.api.model.IsCompanyShareEnabled`
`likeCompanyUpdate`		`company_id`, `isliked`, `update_key`

URI Options for companies

If a value is not provided for one of the option(s) [companySizes, count, email_domain, end_timestamp, event_type, geos, industries, is_company_admin, jobFunc, secure_urls, seniorities, start, start_timestamp, time_granularity] either in the endpoint URI or in a message header, it will be assumed to be null. Note that the null value(s) will only be used if other options do not satisfy matching endpoints.

Name	Type
`companySizes`	`java.util.List`
`company_id`	`Long`
`count`	`Long`
`email_domain`	`String`
`end_timestamp`	`Long`
`event_type`	`org.apache.camel.component.linkedin.api.Eventtype`
`fields`	`String`
`geos`	`java.util.List`
`industries`	`java.util.List`
`is_company_admin`	`Boolean`
`isliked`	`org.apache.camel.component.linkedin.api.model.IsLiked`
`jobFunc`	`java.util.List`
`secure_urls`	`Boolean`
`seniorities`	`java.util.List`
`share`	`org.apache.camel.component.linkedin.api.model.Share`
`start`	`Long`
`start_timestamp`	`Long`
`time_granularity`	`org.apache.camel.component.linkedin.api.Timegranularity`
`universal_name`	`String`
`update_key`	`String`
`updatecomment`	`org.apache.camel.component.linkedin.api.model.UpdateComment`

Endpoint prefix groups

The following endpoints can be invoked with the prefix groups as follows:

linkedin://groups/endpoint?[options]

Endpoint	Shorthand Alias	Options	Result Body Type
`addPost`	`post`	`group_id`, `post`
`getGroup`	`group`	`group_id`	`org.apache.camel.component.linkedin.api.model.Group`

URI Options for groups

Name	Type
`group_id`	`Long`
`post`	`org.apache.camel.component.linkedin.api.model.Post`

Endpoint prefix jobs

The following endpoints can be invoked with the prefix jobs as follows:

linkedin://jobs/endpoint?[options]

Endpoint	Shorthand Alias	Options	Result Body Type
`addJob`	`job`	`job`
`editJob`		`job`, `partner_job_id`
`getJob`	`job`	`fields`, `job_id`	`org.apache.camel.component.linkedin.api.model.Job`
`removeJob`	`job`	`partner_job_id`

URI Options for jobs

Name	Type
`fields`	`String`
`job`	`org.apache.camel.component.linkedin.api.model.Job`
`job_id`	`Long`
`partner_job_id`	`Long`

Endpoint prefix people

The following endpoints can be invoked with the prefix people as follows:

linkedin://people/endpoint?[options]

Endpoint	Shorthand Alias	Options	Result Body Type
`addActivity`	`activity`	`activity`
`addGroupMembership`	`groupMembership`	`groupmembership`
`addInvite`	`invite`	`mailboxitem`
`addJobBookmark`	`jobBookmark`	`jobbookmark`
`addUpdateComment`	`updateComment`	`update_key`, `updatecomment`
`followCompany`		`company`
`getConnections`	`connections`	`fields`, `secure_urls`	`org.apache.camel.component.linkedin.api.model.Connections`
`getConnectionsById`	`connectionsById`	`fields`, `person_id`, `secure_urls`	`org.apache.camel.component.linkedin.api.model.Connections`
`getConnectionsByUrl`	`connectionsByUrl`	`fields`, `public_profile_url`, `secure_urls`	`org.apache.camel.component.linkedin.api.model.Connections`
`getFollowedCompanies`	`followedCompanies`	`fields`	`org.apache.camel.component.linkedin.api.model.Companies`
`getGroupMembershipSettings`	`groupMembershipSettings`	`count`, `fields`, `group_id`, `start`	`org.apache.camel.component.linkedin.api.model.GroupMemberships`
`getGroupMemberships`	`groupMemberships`	`count`, `fields`, `membership_state`, `start`	`org.apache.camel.component.linkedin.api.model.GroupMemberships`
`getJobBookmarks`	`jobBookmarks`		`org.apache.camel.component.linkedin.api.model.JobBookmarks`
`getNetworkStats`	`networkStats`		`org.apache.camel.component.linkedin.api.model.NetworkStats`
`getNetworkUpdates`	`networkUpdates`	`after`, `before`, `count`, `fields`, `scope`, `secure_urls`, `show_hidden_members`, `start`, `type`	`org.apache.camel.component.linkedin.api.model.Updates`
`getNetworkUpdatesById`	`networkUpdatesById`	`after`, `before`, `count`, `fields`, `person_id`, `scope`, `secure_urls`, `show_hidden_members`, `start`, `type`	`org.apache.camel.component.linkedin.api.model.Updates`
`getPerson`	`person`	`fields`, `secure_urls`	`org.apache.camel.component.linkedin.api.model.Person`
`getPersonById`	`personById`	`fields`, `person_id`, `secure_urls`	`org.apache.camel.component.linkedin.api.model.Person`
`getPersonByUrl`	`personByUrl`	`fields`, `public_profile_url`, `secure_urls`	`org.apache.camel.component.linkedin.api.model.Person`
`getPosts`	`posts`	`category`, `count`, `fields`, `group_id`, `modified_since`, `order`, `role`, `start`	`org.apache.camel.component.linkedin.api.model.Posts`
`getSuggestedCompanies`	`suggestedCompanies`	`fields`	`org.apache.camel.component.linkedin.api.model.Companies`
`getSuggestedGroupPosts`	`suggestedGroupPosts`	`category`, `count`, `fields`, `group_id`, `modified_since`, `order`, `role`, `start`	`org.apache.camel.component.linkedin.api.model.Posts`
`getSuggestedGroups`	`suggestedGroups`	`fields`	`org.apache.camel.component.linkedin.api.model.Groups`
`getSuggestedJobs`	`suggestedJobs`	`fields`	`org.apache.camel.component.linkedin.api.model.JobSuggestions`
`getUpdateComments`	`updateComments`	`fields`, `secure_urls`, `update_key`	`org.apache.camel.component.linkedin.api.model.Comments`
`getUpdateLikes`	`updateLikes`	`fields`, `secure_urls`, `update_key`	`org.apache.camel.component.linkedin.api.model.Likes`
`likeUpdate`		`isliked`, `update_key`
`removeGroupMembership`	`groupMembership`	`group_id`
`removeGroupSuggestion`	`groupSuggestion`	`group_id`
`removeJobBookmark`	`jobBookmark`	`job_id`
`share`		`share`	`org.apache.camel.component.linkedin.api.model.Update`
`stopFollowingCompany`		`company_id`
`updateGroupMembership`		`group_id`, `groupmembership`

URI Options for people

If a value is not provided for one of the option(s) [after, before, category, count, membership_state, modified_since, order, public_profile_url, role, scope, secure_urls, show_hidden_members, start, type] either in the endpoint URI or in a message header, it will be assumed to be null. Note that the null value(s) will only be used if other options do not satisfy matching endpoints.

Name	Type
`activity`	`org.apache.camel.component.linkedin.api.model.Activity`
`after`	`Long`
`before`	`Long`
`category`	`org.apache.camel.component.linkedin.api.Category`
`company`	`org.apache.camel.component.linkedin.api.model.Company`
`company_id`	`Long`
`count`	`Long`
`fields`	`String`
`group_id`	`Long`
`groupmembership`	`org.apache.camel.component.linkedin.api.model.GroupMembership`
`isliked`	`org.apache.camel.component.linkedin.api.model.IsLiked`
`job_id`	`Long`
`jobbookmark`	`org.apache.camel.component.linkedin.api.model.JobBookmark`
`mailboxitem`	`org.apache.camel.component.linkedin.api.model.MailboxItem`
`membership_state`	`org.apache.camel.component.linkedin.api.model.MembershipState`
`modified_since`	`Long`
`order`	`org.apache.camel.component.linkedin.api.Order`
`person_id`	`String`
`public_profile_url`	`String`
`role`	`org.apache.camel.component.linkedin.api.Role`
`scope`	`String`
`secure_urls`	`Boolean`
`share`	`org.apache.camel.component.linkedin.api.model.Share`
`show_hidden_members`	`Boolean`
`start`	`Long`
`type`	`org.apache.camel.component.linkedin.api.Type`
`update_key`	`String`
`updatecomment`	`org.apache.camel.component.linkedin.api.model.UpdateComment`

Endpoint prefix posts

The following endpoints can be invoked with the prefix posts as follows:

linkedin://posts/endpoint?[options]

Endpoint	Shorthand Alias	Options	Result Body Type
`addComment`	`comment`	`comment`, `post_id`
`flagCategory`		`post_id`, `postcategorycode`
`followPost`		`isfollowing`, `post_id`
`getPost`	`post`	`count`, `fields`, `post_id`, `start`	`org.apache.camel.component.linkedin.api.model.Post`
`getPostComments`	`postComments`	`count`, `fields`, `post_id`, `start`	`org.apache.camel.component.linkedin.api.model.Comments`
`likePost`		`isliked`, `post_id`
`removePost`	`post`	`post_id`

URI Options for posts

If a value is not provided for one of the option(s) [count, start] either in the endpoint URI or in a message header, it will be assumed to be null. Note that the null value(s) will only be used if other options do not satisfy matching endpoints.

Name	Type
`comment`	`org.apache.camel.component.linkedin.api.model.Comment`
`count`	`Long`
`fields`	`String`
`isfollowing`	`org.apache.camel.component.linkedin.api.model.IsFollowing`
`isliked`	`org.apache.camel.component.linkedin.api.model.IsLiked`
`post_id`	`String`
`postcategorycode`	`org.apache.camel.component.linkedin.api.model.PostCategoryCode`
`start`	`Long`

Endpoint prefix search

The following endpoints can be invoked with the prefix search as follows:

linkedin://search/endpoint?[options]

Endpoint	Shorthand Alias	Options	Result Body Type
`searchCompanies`	`companies`	`count`, `facet`, `facets`, `fields`, `hq_only`, `keywords`, `sort`, `start`	`org.apache.camel.component.linkedin.api.model.CompanySearch`
`searchJobs`	`jobs`	`company_name`, `count`, `country_code`, `distance`, `facet`, `facets`, `fields`, `job_title`, `keywords`, `postal_code`, `sort`, `start`	`org.apache.camel.component.linkedin.api.model.JobSearch`
`searchPeople`	`people`	`company_name`, `count`, `country_code`, `current_company`, `current_school`, `current_title`, `distance`, `facet`, `facets`, `fields`, `first_name`, `keywords`, `last_name`, `postal_code`, `school_name`, `sort`, `start`, `title`	`org.apache.camel.component.linkedin.api.model.PeopleSearch`

URI Options for search

If a value is not provided for one of the option(s) [company_name, count, country_code, current_company, current_school, current_title, distance, facet, facets, first_name, hq_only, job_title, keywords, last_name, postal_code, school_name, sort, start, title] either in the endpoint URI or in a message header, it will be assumed to be null. Note that the null value(s) will only be used if other options do not satisfy matching endpoints.

Name	Type
`company_name`	`String`
`count`	`Long`
`country_code`	`String`
`current_company`	`String`
`current_school`	`String`
`current_title`	`String`
`distance`	`org.apache.camel.component.linkedin.api.model.Distance`
`facet`	`String`
`facets`	`String`
`fields`	`String`
`first_name`	`String`
`hq_only`	`String`
`job_title`	`String`
`keywords`	`String`
`last_name`	`String`
`postal_code`	`String`
`school_name`	`String`
`sort`	`String`
`start`	`Long`
`title`	`String`

Consumer Endpoints

Any of the producer endpoints can be used as a consumer endpoint. Consumer endpoints can use Scheduled Poll Consumer Options with a consumer. prefix to schedule endpoint invocation. By default Consumer endpoints that return an array or collection will generate one exchange per element, and their routes will be executed once for each exchange. To change this behavior use the property consumer.splitResults=true to return a single exchange for the entire list or array.

Message Headers

Any URI option can be provided in a message header for producer endpoints with a CamelLinkedIn. prefix.

Message body

All result message bodies utilize objects provided by the Camel LinkedIn API SDK, which is built using Apache CXF JAX-RS. Producer endpoints can specify the option name for incoming message body in the inBody endpoint parameter.

Use cases

The following route gets user's profile:

from("direct:foo")
	.to("linkedin://people/person");

The following route polls user's connections every 30 seconds:

from("linkedin://people/connections?consumer.timeUnit=SECONDS&consumer.delay=30")
	.to("bean:foo");

The following route uses a producer with dynamic header options. The personId header has the LinkedIn person ID, so its assigned to the CamelLinkedIn.person_id header as follows:

from("direct:foo")
	.setHeader("CamelLinkedIn.person_id", header("personId"))
	.to("linkedin://people/connectionsById")
	.to("bean://bar");

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