[SOLVED] Invoke a Operation Contract through web browser

Invoke a Operation Contract through web browser

Since i am new to WCF and Having configured a WCF service endpoint in IIS at Virtual Directory Api ( url goes like http://localhost/api/taskapi.svc) i was looking for ways to make request through web browser something like http://localhost/api/taskapi.svc/GetCompleted would respond with JSON that lists all completed tasks hence these two posts here gave me some answers

ok hmm so i changed my OperationContract to like below

    [OperationContract]
    [WebGet(UriTemplate = "/GetCompleted", ResponseFormat = WebMessageFormat.Json)]
    IList<Task> GetCompleted();

but still the url http://localhost/api/tasksapi.svc/GetCompleted in browser responds with 400 Bad Request.

Service Contract

[ServiceContract]
public interface ITaskContract
{

    [OperationContract]
    [WebInvoke(Method = "POST", UriTemplate = "/task", ResponseFormat = WebMessageFormat.Json, RequestFormat = WebMessageFormat.Json)]
    TaskLibrary.Task CreateTask(TaskLibrary.Task myTask);

    [OperationContract]
    [WebInvoke(Method = "GET", UriTemplate = "/task", ResponseFormat = WebMessageFormat.Json, RequestFormat = WebMessageFormat.Json)]
    IList<TaskLibrary.Task> GetTasks();

    [OperationContract]
    [WebInvoke(Method = "DELETE", UriTemplate = "/task", ResponseFormat = WebMessageFormat.Json, RequestFormat = WebMessageFormat.Json)]
    bool DeleteTask(string taskId);

    [OperationContract]
    [WebInvoke(Method = "PUT", UriTemplate = "/task", ResponseFormat = WebMessageFormat.Json, RequestFormat = WebMessageFormat.Json)]
    bool UpdateTask(TaskLibrary.Task myTask);

    [OperationContract]
    [WebInvoke(Method = "GET", UriTemplate = "/task/{taskId}", ResponseFormat = WebMessageFormat.Json, RequestFormat = WebMessageFormat.Json)]
    IList<TaskLibrary.Task> GetById(string taskId);

    [OperationContract]
    [WebInvoke(UriTemplate = "/task/completed", ResponseFormat = WebMessageFormat.Json, Method = "GET", RequestFormat = WebMessageFormat.Json)]
    IList<TaskLibrary.Task> GetCompleted();

}

Service Config

  <system.serviceModel>
    <services>
      <service behaviorConfiguration="TaskApi.ServiceBehavior" name="TaskService.TaskService">
        <endpoint address="" binding="wsHttpBinding" contract="TaskService.ITaskContract">
          <identity>
            <dns value="localhost" />
          </identity>
        </endpoint>
        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
      </service>
    </services>
    <behaviors>
      <serviceBehaviors>
        <behavior name="TaskApi.ServiceBehavior">
          <!-- To avoid disclosing metadata information, set the value below to false and remove the metadata endpoint above before deployment -->
          <serviceMetadata httpGetEnabled="true" />
          <!-- To receive exception details in faults for debugging purposes, set the value below to true.  Set to false before deployment to avoid disclosing exception information -->
          <serviceDebug includeExceptionDetailInFaults="false" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
  </system.serviceModel>

Reference Directive

<%@ ServiceHost Language="C#" Debug="true" Service="TaskService.TaskService" %>

the service is picked from assembly which is output of WCF Service library

Url rewrite to hide svc extension

  <system.webServer>
    <validation validateIntegratedModeConfiguration="false" />
    <rewrite>
      <rules>
        <rule name="Svc Extension remove pattern">
          <match url="^([0-9a-zA-Z\-]+)/([0-9a-zA-Z\-\.\/\(\)]+)" />
          <action type="Rewrite" url="{R:1}.svc/{R:2}" />
        </rule>
      </rules>
    </rewrite>
  </system.webServer>

What should i do to make this work?

Solution

OK your binding is wsHttpBinding. You need to change it to webHttpBinding (or add another endpoint). Then you need to add an endpointBehavior in the behaviors section as follows

   <endpointBehavior>
       <behavior name="rest">
           <webHttp/>
       </behavior>
   </endpointBehavior>

This behavior wires in the functionality to map Uris to methods. Then you need to reference this behavior from the webHttpBinding endpoint using the behaviorConfiguration XML attribute