rhbz1110627 - add REST endpoint for project config

zanata-common-api/src/main/java/org/zanata/rest/client/IProjectIterationResource.java

@@ -31,4 +31,10 @@ public interface IProjectIterationResource extends ProjectIterationResource {
             MediaTypes.APPLICATION_ZANATA_PROJECT_ITERATION_JSON,
             MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
     public ClientResponse put(ProjectIteration project);
+
+    @GET
+    @Path("/config")
+    @Produces({ MediaType.APPLICATION_XML })
+    @Override
+    ClientResponse sampleConfiguration();
 }

zanata-common-api/src/main/java/org/zanata/rest/service/ProjectIterationResource.java

@@ -25,6 +25,7 @@
 import javax.ws.rs.GET;
 import javax.ws.rs.HEAD;
 import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
 import javax.ws.rs.Produces;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
@@ -109,4 +110,23 @@ public interface ProjectIterationResource {
             MediaTypes.APPLICATION_ZANATA_PROJECT_ITERATION_JSON,
             MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
     public Response put(ProjectIteration project);
+
+    /**
+     * Get a project iteration's sample general configuration file(zanata.xml).
+     * Note: this will only be a sample configuration which does not contain any
+     * customization done on the client side, such as, locale mapping and/or
+     * command hooks.
+     *
+     * @return The following response status codes will be returned from this
+     *         operation:<br>
+     *         OK(200) - Contains the Project iteration config xml. <br>
+     *         NOT FOUND(404) - response, if a Project iteration could not be
+     *         found for the given parameters.<br>
+     *         INTERNAL SERVER ERROR(500) - If there is an unexpected error in
+     *         the server while performing this operation.
+     */
+    @GET
+    @Path("/config")
+    @Produces({ MediaType.APPLICATION_XML })
+    public Response sampleConfiguration();
 }