/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ambari.server.api.services;
import java.util.Collections;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import org.apache.ambari.server.api.resources.ResourceInstance;
import org.apache.ambari.server.controller.spi.Resource;
/**
* Service responsible for user groups requests.
*/
@Path("/groups/")
public class GroupService extends BaseService {
/**
* Gets all groups.
* Handles: GET /groups requests.
*
* @param headers http headers
* @param ui uri info
*/
@GET
@Produces("text/plain")
public Response getGroups(@Context HttpHeaders headers, @Context UriInfo ui) {
return handleRequest(headers, null, ui, Request.Type.GET, createGroupResource(null));
}
/**
* Gets a single group.
* Handles: GET /groups/{groupName} requests.
*
* @param headers http headers
* @param ui uri info
* @param groupName the group name
* @return information regarding the specified group
*/
@GET
@Path("{groupName}")
@Produces("text/plain")
public Response getGroup(@Context HttpHeaders headers, @Context UriInfo ui,
@PathParam("groupName") String groupName) {
return handleRequest(headers, null, ui, Request.Type.GET, createGroupResource(groupName));
}
/**
* Creates a group.
* Handles: POST /groups requests.
*
* @param headers http headers
* @param ui uri info
* @return information regarding the created group
*/
@POST
@Produces("text/plain")
public Response createGroup(String body, @Context HttpHeaders headers, @Context UriInfo ui) {
return handleRequest(headers, body, ui, Request.Type.POST, createGroupResource(null));
}
/**
* Creates a group.
* Handles: POST /groups/{groupName} requests.
*
* @param headers http headers
* @param ui uri info
* @param groupName the group name
* @return information regarding the created group
*
* @deprecated Use requests to /groups instead.
*/
@POST
@Deprecated
@Path("{groupName}")
@Produces("text/plain")
public Response createGroup(String body, @Context HttpHeaders headers, @Context UriInfo ui,
@PathParam("groupName") String groupName) {
return handleRequest(headers, body, ui, Request.Type.POST, createGroupResource(groupName));
}
/**
* Deletes a group.
* Handles: DELETE /groups/{groupName} requests.
*
* @param headers http headers
* @param ui uri info
* @param groupName the group name
* @return information regarding the deleted group
*/
@DELETE
@Path("{groupName}")
@Produces("text/plain")
public Response deleteGroup(@Context HttpHeaders headers, @Context UriInfo ui,
@PathParam("groupName") String groupName) {
return handleRequest(headers, null, ui, Request.Type.DELETE, createGroupResource(groupName));
}
/**
* Get the members sub-resource.
*
* @param groupName the group name
* @return the members service
*/
@Path("{groupName}/members")
public MemberService getMemberHandler(@PathParam("groupName") String groupName) {
return new MemberService(groupName);
}
/**
* Gets the group privilege service
*/
@Path("{groupName}/privileges")
public PrivilegeService getPrivilegeService(@Context javax.ws.rs.core.Request request,
@PathParam ("groupName") String groupName) {
return new GroupPrivilegeService(groupName);
}
/**
* Create a group resource instance.
*
* @param groupName group name
*
* @return a group resource instance
*/
private ResourceInstance createGroupResource(String groupName) {
return createResource(Resource.Type.Group,
Collections.singletonMap(Resource.Type.Group, groupName));
}
}