Plugin: userservice. Get REST responses in JSON too

src/plugins/userservice/src/java/org/jivesoftware/openfire/plugin/service/UserGroupService.java

@@ -25,7 +25,7 @@ public class UserGroupService {
 	}
 
 	@GET
-	@Produces(MediaType.APPLICATION_XML)
+	@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
 	public UserGroupsEntity getUserGroups(@PathParam("username") String username) throws ServiceException {
 		return new UserGroupsEntity(plugin.getUserGroups(username));
 	}

src/plugins/userservice/src/java/org/jivesoftware/openfire/plugin/service/UserRosterService.java

@@ -35,7 +35,7 @@ public class UserRosterService {
 	}
 
 	@GET
-	@Produces(MediaType.APPLICATION_XML)
+	@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
 	public RosterEntities getUserRoster(@PathParam("username") String username) throws ServiceException {
 		return plugin.getRosterEntities(username);
 	}

src/plugins/userservice/src/java/org/jivesoftware/openfire/plugin/service/UserService.java

@@ -28,7 +28,7 @@ public class UserService {
 	}
 
 	@GET
-	@Produces(MediaType.APPLICATION_XML)
+	@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
 	public UserEntities getUsers(@QueryParam("search") String userSearch) {
 		return plugin.getUserEntities(userSearch);
 	}
@@ -41,7 +41,7 @@ public class UserService {
 
 	@GET
 	@Path("/{username}")
-	@Produces(MediaType.APPLICATION_XML)
+	@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
 	public UserEntity getUser(@PathParam("username") String username) throws ServiceException {
 		return plugin.getUserEntity(username);
 	}

src/plugins/userservice/src/java/org/jivesoftware/openfire/plugin/service/UserServiceProperties.java

@@ -22,14 +22,14 @@ public class UserServiceProperties {
 	}
 
 	@GET
-	@Produces(MediaType.APPLICATION_XML)
+	@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
 	@Path("/{key}")
 	public UserEntities getUsersByPropertyKey(@PathParam("key") String key) throws ServiceException {
 		return plugin.getUserEntitiesByProperty(key, null);
 	}
 
 	@GET
-	@Produces(MediaType.APPLICATION_XML)
+	@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
 	@Path("/{key}/{value}")
 	public UserEntities getUsersByPropertyKeyValue(@PathParam("key") String key, @PathParam("value") String value)
 			throws ServiceException {