3aa3d93ff3e6b5d89a8039ea79aeb7659494a393
[policy/pap.git] / main / src / main / java / org / onap / policy / pap / main / rest / PdpGroupStateChangeControllerV1.java
1 /*-
2  * ============LICENSE_START=======================================================
3  *  Copyright (C) 2019-2020 Nordix Foundation.
4  *  Modifications Copyright (C) 2019 AT&T Intellectual Property.
5  * ================================================================================
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  *      http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  *
18  * SPDX-License-Identifier: Apache-2.0
19  * ============LICENSE_END=========================================================
20  */
21
22 package org.onap.policy.pap.main.rest;
23
24 import io.swagger.annotations.ApiOperation;
25 import io.swagger.annotations.ApiParam;
26 import io.swagger.annotations.ApiResponse;
27 import io.swagger.annotations.ApiResponses;
28 import io.swagger.annotations.Authorization;
29 import io.swagger.annotations.Extension;
30 import io.swagger.annotations.ExtensionProperty;
31 import io.swagger.annotations.ResponseHeader;
32 import java.util.UUID;
33 import javax.ws.rs.HeaderParam;
34 import javax.ws.rs.PUT;
35 import javax.ws.rs.Path;
36 import javax.ws.rs.PathParam;
37 import javax.ws.rs.QueryParam;
38 import javax.ws.rs.core.Response;
39 import javax.ws.rs.core.Response.Status;
40 import org.apache.commons.lang3.tuple.Pair;
41 import org.onap.policy.models.base.PfModelException;
42 import org.onap.policy.models.pap.concepts.PdpGroupStateChangeResponse;
43 import org.onap.policy.models.pdp.enums.PdpState;
44 import org.slf4j.Logger;
45 import org.slf4j.LoggerFactory;
46
47 /**
48  * Class to provide REST end points for PAP component to change state of a PDP group.
49  *
50  * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
51  */
52 public class PdpGroupStateChangeControllerV1 extends PapRestControllerV1 {
53
54     private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupStateChangeControllerV1.class);
55
56     private final PdpGroupStateChangeProvider provider = new PdpGroupStateChangeProvider();
57
58     /**
59      * Changes state of a PDP group.
60      *
61      * @param requestId request ID used in ONAP logging
62      * @param groupName name of the PDP group to be deleted
63      * @param state state of the PDP group
64      * @return a response
65      */
66     // @formatter:off
67     @PUT
68     @Path("pdps/groups/{name}")
69     @ApiOperation(value = "Change state of a PDP Group",
70         notes = "Changes state of PDP Group, returning optional error details",
71         response = PdpGroupStateChangeResponse.class,
72         tags = {"Policy Administration (PAP) API"},
73         authorizations = @Authorization(value = AUTHORIZATION_TYPE),
74         responseHeaders = {
75             @ResponseHeader(name = VERSION_MINOR_NAME, description = VERSION_MINOR_DESCRIPTION,
76                             response = String.class),
77             @ResponseHeader(name = VERSION_PATCH_NAME, description = VERSION_PATCH_DESCRIPTION,
78                             response = String.class),
79             @ResponseHeader(name = VERSION_LATEST_NAME, description = VERSION_LATEST_DESCRIPTION,
80                             response = String.class),
81             @ResponseHeader(name = REQUEST_ID_NAME, description = REQUEST_ID_HDR_DESCRIPTION,
82                             response = UUID.class)},
83         extensions = {@Extension(name = EXTENSION_NAME,
84             properties = {@ExtensionProperty(name = API_VERSION_NAME, value = API_VERSION),
85                 @ExtensionProperty(name = LAST_MOD_NAME, value = LAST_MOD_RELEASE)})})
86     @ApiResponses(value = {@ApiResponse(code = AUTHENTICATION_ERROR_CODE, message = AUTHENTICATION_ERROR_MESSAGE),
87                     @ApiResponse(code = AUTHORIZATION_ERROR_CODE, message = AUTHORIZATION_ERROR_MESSAGE),
88                     @ApiResponse(code = SERVER_ERROR_CODE, message = SERVER_ERROR_MESSAGE)})
89     // @formatter:on
90
91     public Response changeGroupState(
92             @HeaderParam(REQUEST_ID_NAME) @ApiParam(REQUEST_ID_PARAM_DESCRIPTION) final UUID requestId,
93             @ApiParam(value = "PDP Group Name", required = true) @PathParam("name") final String groupName,
94             @ApiParam(value = "PDP Group State", required = true) @QueryParam("state") final PdpState state) {
95
96         try {
97             final Pair<Status, PdpGroupStateChangeResponse> pair = provider.changeGroupState(groupName, state);
98             return addLoggingHeaders(addVersionControlHeaders(Response.status(pair.getLeft())), requestId)
99                     .entity(pair.getRight()).build();
100         } catch (final PfModelException exp) {
101             LOGGER.info("group state-change failed", exp);
102             return addLoggingHeaders(
103                     addVersionControlHeaders(Response.status(exp.getErrorResponse().getResponseCode())), requestId)
104                             .entity(exp.getErrorResponse()).build();
105         }
106     }
107 }