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Difference between revisions of "UBIK Web Service"

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== Fetch MetaDefinitions ==
+
= Fetch MetaDefinitions =
  
 
Provides the configured ACM (see [[Application_Context_Management]]) Datemodell to the client.
 
Provides the configured ACM (see [[Application_Context_Management]]) Datemodell to the client.
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== Download Content ==
+
= Download Content =
  
 
GetHierarchyDeltasV212 is used for downloading single objects as well as branches, root objects and the infrastructure.
 
GetHierarchyDeltasV212 is used for downloading single objects as well as branches, root objects and the infrastructure.
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== Download a Document ==
+
= Download a Document =
  
 
Method provides a stream to the document referenced by the contentId.
 
Method provides a stream to the document referenced by the contentId.
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== Create a single Content ==
+
= Create a single Content =
  
 
Method for creating a single content object and retrieving the new object as result
 
Method for creating a single content object and retrieving the new object as result
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−
== Update Contents ==
+
= Update Contents =
  
 
Method for updating a set of content objects and retrieving the updated objects as result
 
Method for updating a set of content objects and retrieving the updated objects as result
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== Upload Document ==
+
= Upload Document =
  
 
Method for updating a set of content objects and retrieving the updated objects as result
 
Method for updating a set of content objects and retrieving the updated objects as result
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}
 
}
 
</source>
 
</source>
−
 
−
 
−
= UBIK Webservice with simplified Interface =
 
−
 
−
 
−
== Create Content ==
 
−
 
−
WebCreateContent provides the possibility to create a single content object.
 
−
 
−
<source lang="csharp">
 
−
        /// <summary>
 
−
        /// WebCreateContent provides the possibility to create a single content object.
 
−
        /// WebCreateContent provides a simplified interface optimized for being used in simple use cases (IOT).
 
−
        /// </summary>
 
−
        /// <param name="app">The application.</param>
 
−
        /// <param name="context">The context.</param>
 
−
        /// <param name="metaClassUID">ID of the MetaClass (Type) of the new instance.</param>
 
−
        /// <param name="parentUID">ID of the hierarchical parent of the new instance.</param>
 
−
        /// <param name="authentication">Authentication (tokenid) for the user/device to access this service</param>
 
−
        /// <param name="version">Client Web Service Version number.</param>
 
−
        /// <returns>The ID of the new instance if creation was successfull, Guid.Empty otherwise. </returns>
 
−
        [OperationContract]
 
−
        [WebInvoke(UriTemplate = "WebCreateContent/{app}/{context}/{metaClassUID}/{parentUID}/{authentication}/{version}", Method = "GET",
 
−
                  RequestFormat = WebMessageFormat.Json,
 
−
                  ResponseFormat = WebMessageFormat.Json)]
 
−
        Guid WebCreateContent(string app, string context, string metaClassUID, string parentUID, string authentication, string version);
 
−
</source>
 
−
 
−
 
−
=== List ofParameters ===
 
−
{| class="wikitable" | width = "50%"
 
−
|-
 
−
! Name!! Type !! Description
 
−
|-
 
−
| app|| String || Name of the Application
 
−
|-
 
−
| context|| String || Name of the Context
 
−
|-
 
−
| metaClassUID|| String/Guid || ID of the MetaClass (Type) of the new instance.
 
−
|-
 
−
| parentUID|| String/Guid || ID of the hierarchical parent of the new instance.
 
−
|-
 
−
| authentication|| String || Valid auth token
 
−
|-
 
−
| version|| String || Indicator of the expected data format version
 
−
|-
 
−
|}
 
  
  

Revision as of 12:18, 22 August 2019

[edit]

Standard UBIK Webservice Interface

The following section describes the most important UBIK Webservice Methods used for

  • Fetching information about the Datamodell (Fetch MetaDefinitions)
  • Downloading Content objects (Download Content)
  • Downloading Content File Documents (Download Document)
  • Creating a single Content object (Create Content)
  • Updating Content objects (Update Contents)
  • Uploading a file Document (Upload Document )


Fetch MetaDefinitions

Provides the configured ACM (see Application Context Management) Datemodell to the client.

        /// <summary>
        /// Delivers a list of all defined MetaClass Objects for the given Application and the given DeviceID
        /// </summary>
        /// <param name="appName">Name of the Application</param>
        /// <param name="contextName">Name of the Context</param>
        /// <param name="authentication">authentication (tokenid) for the user/device to access this service</param>
        /// <returns>a list of MetaDefinitions</returns>
        [OperationContract]
        [WebInvoke(UriTemplate = "GetMetaDefinitionsV212/{appName}/{contextName}/{authentication}/{version}", Method = "GET",
                   RequestFormat = WebMessageFormat.Json,
                   ResponseFormat = WebMessageFormat.Json)]
                                   
        BCMetaDefinitions GetMetaDefinitionsV212(
                                                        String appName,
                                                        String contextName,
                                                        String authentication,
                                                        String version);


List ofParameters

Name Type Description
appName String Name of the Application
contextName String Name of the Context
authentication String Valid auth token
version String Indicator of the expected data format version


Code Example (c#)

        string appName = "APP_TEST";
        string contextName = "CTX_TEST";
        string authToken = FetchValidAuthToken();
        string version = "263";

        UBIKContentClient target = new UBIKContentClient(WEBSERVER_NAME);
       
        BCMetaDefinitions metaDefintions = target.GetMetaDefinitionsV212(
                                                                        appName,
                                                                        contextName,
                                                                        authToken,
                                                                        version);



Download Content

GetHierarchyDeltasV212 is used for downloading single objects as well as branches, root objects and the infrastructure.

        /// <summary>
        /// The main method for downloading content.
        /// This method is used for downloading single objects as well as branches, root objects and the infrastructure
        /// </summary>
        /// <param name="appName">Name of the application.</param>
        /// <param name="contextName">Name of the context.</param>
        /// <param name="args">The arguments.</param>
        /// <param name="authentication">authentication (tokenid) for the user/device to access this service</param>
        /// <param name="version">The versionindicator.</param>
        /// <returns>a set of content objects</returns>
        [OperationContract]
        [WebInvoke(UriTemplate = "GetMetaDefinitionsV212/{appName}/{contextName}/{authentication}/{version}", Method = "GET",
                   RequestFormat = WebMessageFormat.Json,
                   ResponseFormat = WebMessageFormat.Json)]
                                   
        BCHierarchyDeltaShipments GetHierarchyDeltasV212(
                                                        String appName,
                                                        String contextName,
                                                        HierarchyDeltaArguments args,
                                                        String authentication,
                                                        String version);


List ofParameters

Name Type Description
appName String Name of the Application
contextName String Name of the Context
args HierarchyDeltaArguments Defines the type of download (root, infra, branch) as well as the startobject and the download depth
authentication String Valid auth token
version String Indicator of the expected data format version


Code Example (c#)

Downloading Root Objects

        string appName = "APP_TEST";
        string contextName = "CTX_TEST";
        string authToken = FetchValidAuthToken();
        string version = "263";

        HierarchyDeltaArguments args = new HierarchyDeltaArguments()
        {
                ChildrenDepth = 1,
                ParentDepth = 0,
                StartingPoint = new HierarchyRoot(),
        };
       
        UBIKContentClient target = new UBIKContentClient(WEBSERVER_NAME);
       
        BCHierarchyDeltaShipments roots = target.GetHierarchyDeltasV212(
                                                                        appName,
                                                                        contextName,
                                                                        args,
                                                                        authToken,
                                                                        version);


Downloading Infrastructure Objects

        string appName = "APP_TEST";
        string contextName = "CTX_TEST";
        string authToken = FetchValidAuthToken();
        string version = "263";

        HierarchyDeltaArguments args = new HierarchyDeltaArguments()
        {
                ChildrenDepth = 1,
                ParentDepth = 0,
                StartingPoint = new HierarchyInfrastructure(),
        };
       
        UBIKContentClient target = new UBIKContentClient(WEBSERVER_NAME);
       
        BCHierarchyDeltaShipments roots = target.GetHierarchyDeltasV212(
                                                                        appName,
                                                                        contextName,
                                                                        args,
                                                                        authToken,
                                                                        version);


Downloading an entire branch starting at object with UID = '9E8FC21E-137E-4DDB-9D85-6E71B01F12FA'

        string appName = "APP_TEST";
        string contextName = "CTX_TEST";
        string authToken = FetchValidAuthToken();
        string version = "263";

        HierarchyDeltaArguments args = new HierarchyDeltaArguments()
        {
                ChildrenDepth = 1,
                ParentDepth = 0,
                StartingPoint = new HierarchyStartingPoint(new Guid("9E8FC21E-137E-4DDB-9D85-6E71B01F12FA"))
        };
       
        UBIKContentClient target = new UBIKContentClient(WEBSERVER_NAME);
       
        BCHierarchyDeltaShipments roots = target.GetHierarchyDeltasV212(
                                                                        appName,
                                                                        contextName,
                                                                        args,
                                                                        authToken,
                                                                        version);



Download a Document

Method provides a stream to the document referenced by the contentId.

        /// <summary>
        /// Provides a stream to the document referenced by the contentId.
        /// </summary>
        /// <param name="appName">Name of the application</param>
        /// <param name="contextName">Name of the context</param>
        /// <param name="documentId">ID of the document content object</param>
        /// <param name="authentication">authentication (tokenid) for the user/device to access this service</param>
        /// <param name="version">Client Web Service Version number</param>
        /// <returns>A stream of the document</returns>
               
        [OperationContract]
        [WebInvoke(UriTemplate = "DownloadDocumentV212/{appName}/{contextName}/{documentId}/{authentication}/{version}", Method = "GET",
                   RequestFormat = WebMessageFormat.Json,
                   ResponseFormat = WebMessageFormat.Json)]
                                   
        Stream DownloadDocumentV212(
                                                String appName,
                                                String contextName,
                                                String documentId,
                                                String authentication,
                                                String version);

List ofParameters

Name Type Description
appName String Name of the Application
contextName String Name of the Context
documentId String ID of the document to be downloaded
authentication String Valid auth token
version String Indicator of the expected data format version

Code Example (c#)

        string appName = "APP_TEST";
        string ctxName = "CTX_TEST";
        string authToken = FetchValidAuthToken();
        string version = "263";
       
        Guid documentId = new Guid("61ba9775-c724-40ca-b5e1-7119ab9ab553");
        string filePath = "any File Path hrere";
        string fileType = "*.xml";
       
        Stream stream = null;
        try
        {
                // ID of the object to be downloaded
                Guid documentId = new Guid("61ba9775-c724-40ca-b5e1-7119ab9ab553");

                UBIKContentClient target = new UBIKContentClient(WEBSERVER_NAME);
               
                stream = target.DownloadDocumentV212(
                                                                appName,
                                                                ctxName,
                                                                documentId.ToString(),
                                                                authToken,
                                                                version);
               
                streamReader = new StreamReader(stream);
                string downloadedContent = streamReader.ReadToEnd();           
        }
        finally
        {
                if (stream != null)
                        stream.Close();
        }




Create a single Content

Method for creating a single content object and retrieving the new object as result

        /// <summary>
        /// Member for creating a single content object and retrieving the new object as result
        /// </summary>
        /// <param name="appName">The name of the application</param>
        /// <param name="contextName">The name of the context the view hierarchy is defined in</param>
        /// <param name="ownerID">UID of the owner object to create the new content as child</param>
        /// <param name="authentication">The (valid) authentication token</param>
        /// <param name="dataShipment">Data container bringing all the necessary data for creating a singe content object</param>
        /// <param name="version">Client Web Service Version number</param>
        /// <returns>the new content object as BCDataShipment</returns>
               
        [OperationContract]
        [WebInvoke(UriTemplate = "CreateSingleContentV212/{appName}/{contextName}/{ownerID}/{authentication}/{version}", Method = "POST",
                   RequestFormat = WebMessageFormat.Json,
                   BodyStyle = WebMessageBodyStyle.Bare,
                   ResponseFormat = WebMessageFormat.Json)]
                                   
        BCDataShipment CreateSingleContentV212(
                                                        String appName,
                                                        String contextName,
                                                        String ownerID,
                                                        String authentication,
                                                        UbikContent dataShipment,
                                                        String version);


List ofParameters

Name Type Description
appName String Name of the Application
contextName String Name of the Context
ownerID String ID of the owner object the new content is related to (as a child)
authentication String Valid auth token
dataShipment UbikContent Content of the new object (MetaInformation and Property - Values)
version String Indicator of the expected data format version


Code Example (c#)

        string appName = "APP_TEST";
        string ctxName = "CTX_TEST";
        string authToken = FetchValidAuthToken();
        string version = "263";
       
        // ID of the owner object the new content is related to (as a child)
        string ownerID = new Guid("533f1ca1-0ee0-424f-a115-0a09bbfaa6de").ToString();

        UbikContent newContent = new UbikContent()
        {
                // reference to the MetaDefinition
                MetaClassID = new Guid("6b4bd904-8504-4e05-93dd-ae120d15a5be"),
                // new Object => create a new UID
                UID = Guid.NewGuid()
        };

        newContent.PropertyValues = new UBIK.Service.PropertyValue[]
                {
                        new TypePropertyValue<string>()
                        {
                                // value to set
                                Value = "TESTVALUE",
                                // reference to the MetaProperty definition
                                MetaPropertyID = new Guid("4ec5281a-e0bd-4917-aff5-708352fc6953")},

                        new TypePropertyValue<int?>()
                        {
                                // value to set
                                Value = int.MaxValue,
                                // reference to the MetaProperty definition
                                MetaPropertyID = new Guid("7c95ec83-a399-4b47-b827-6d87795a7b19")},
                };
               
        UBIKContentClient target = new UBIKContentClient(WEBSERVER_NAME);
       
        BCDataShipment result = target.CreateSingleContentV212(
                                                                        appName,
                                                                        ctxName,
                                                                        ownerID,
                                                                        authToken,
                                                                        newContent,
                                                                        version);



Update Contents

Method for updating a set of content objects and retrieving the updated objects as result

        /// <summary>
        /// Member for updating a set of content objects and retrieving the updated objects as result
        /// </summary>
        /// <param name="appName">The name of the application</param>
        /// <param name="contextName">The name of the context the view hierarchy is defined in</param>
        /// <param name="authentication">The (valid) authentication token</param>
        /// <param name="dataShipment">Data container bringing all the necessary data for updating a set of content objects</param>
        /// <param name="version">Client Web Service Version number</param>
        /// <returns>a set of updated content objects as BCDataShipments</returns>
               
        [OperationContract]
        [WebInvoke(UriTemplate = "UpdateContentListV212/{appName}/{contextName}/{authentication}/{version}", Method = "POST",
                   RequestFormat = WebMessageFormat.Json,
                   BodyStyle = WebMessageBodyStyle.Bare,
                   ResponseFormat = WebMessageFormat.Json)]
                                   
        BCDataShipments UpdateContentListV212(string appName, string contextName, string authentication, UbikContent[] dataShipments, string version);

List ofParameters

Name Type Description
appName String Name of the Application
contextName String Name of the Context
authentication String Valid auth token
dataShipments UbikContent[] Content objects to be updated (MetaInformation and Property - Values)
version String Indicator of the expected data format version

Code Example (c#)

        string appName = "APP_TEST";
        string ctxName = "CTX_TEST";
        string authToken = FetchValidAuthToken();
        string version = "263";
       

        UbikContent updateContent = new UbikContent()
        {
                // reference to the MetaDefinition
                MetaClassID = new Guid("6b4bd904-8504-4e05-93dd-ae120d15a5be"),
                // update object => we must use the UID of an existing content object
                UID = new Guid("6b4bd904-8504-4e05-93dd-ae120d15a5be")
        };

        updateContent.PropertyValues = new UBIK.Service.PropertyValue[]
                {
                        new TypePropertyValue<string>()
                        {
                                // value to update
                                Value = "TESTVALUE",
                                // reference to the MetaProperty definition
                                MetaPropertyID = new Guid("4ec5281a-e0bd-4917-aff5-708352fc6953")},

                        new TypePropertyValue<int?>()
                        {
                                // value to update
                                Value = int.MaxValue,
                                // reference to the MetaProperty definition
                                MetaPropertyID = new Guid("7c95ec83-a399-4b47-b827-6d87795a7b19")},
                };
       
        UBIKContentClient target = new UBIKContentClient(WEBSERVER_NAME);
       
        BCDataShipment result = target.UpdateContentListV212(
                                                                        appName,
                                                                        ctxName,                                                                       
                                                                        authToken,
                                                                        new UbikContent[] { updateContent },
                                                                        version);



Upload Document

Method for updating a set of content objects and retrieving the updated objects as result

        /// <summary>
        /// Uploads a file to the Server.
        /// </summary>
        /// <param name="stream">The stream of the file.</param>
        /// <returns>The Content objet of the uploaded file</returns>
               
        [OperationContract]
        [WebInvoke(UriTemplate = "UploadFile", Method = "POST",
                   ResponseFormat = WebMessageFormat.Json)]
                                   
        BCDataShipment UploadFile(Stream stream);

List of Parameters

Name Type Description
appName String Name of the Application (must be specified in the header)
contextName String Name of the Context (must be specified in the header)
authentication String Valid auth token (must be specified in the header)
fileTypeValue String FileType of the uploaded file (must be specified in the header)
documentId String UID of the related Content Instance (must be specified in the header)
version String Indicator of the expected data format version (must be specified in the header)

Code Example (c#)

        string appName = "APP_TEST";
        string ctxName = "CTX_TEST";
        string authToken = FetchValidAuthToken();
        string version = "263";
       
        Guid documentId = new Guid("61ba9775-c724-40ca-b5e1-7119ab9ab553");
        string filePath = "any File Path hrere";
        string fileType = "*.xml";
       
        Stream stream = null;
        try
        {
                stream = new FileStream(filePath, FileMode.Open);
                using (OperationContextScope scope = new OperationContextScope(target.InnerChannel))
                {
                        HttpRequestMessageProperty headerProperty = new HttpRequestMessageProperty();
                        headerProperty.Headers.Add("appName", appName);
                        headerProperty.Headers.Add("contextName", ctxName);
                        headerProperty.Headers.Add("authentication", authToken);
                        headerProperty.Headers.Add("documentId", documentId.ToString());
                        headerProperty.Headers.Add("fileType", fileType);

                        OperationContext.Current.OutgoingMessageProperties.Add(HttpRequestMessageProperty.Name, headerProperty);
                       
                        UBIKContentClient target = new UBIKContentClient(WEBSERVER_NAME);
                        BCDataShipment result = target.UploadFile(stream);
                }
        }
        finally
        {
                if (stream != null)
                        stream.Close();
        }


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