models-interactions/model-actors/actorServiceProvider/src/test/java/org/onap/policy/controlloop/actorserviceprovider/impl/HttpOperationTest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP
   4  * ================================================================================
   5  * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.policy.controlloop.actorserviceprovider.impl;
  22
  23 import static org.assertj.core.api.Assertions.assertThat;
  24 import static org.assertj.core.api.Assertions.assertThatCode;
  25 import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
  26 import static org.assertj.core.api.Assertions.assertThatThrownBy;
  27 import static org.junit.Assert.assertEquals;
  28 import static org.junit.Assert.assertFalse;
  29 import static org.junit.Assert.assertNotNull;
  30 import static org.junit.Assert.assertSame;
  31 import static org.junit.Assert.assertTrue;
  32 import static org.mockito.ArgumentMatchers.any;
  33 import static org.mockito.Mockito.when;
  34
  35 import java.util.Collections;
  36 import java.util.Map;
  37 import java.util.Properties;
  38 import java.util.UUID;
  39 import java.util.concurrent.CancellationException;
  40 import java.util.concurrent.CompletableFuture;
  41 import java.util.concurrent.ExecutionException;
  42 import java.util.concurrent.Executor;
  43 import java.util.concurrent.Future;
  44 import java.util.concurrent.TimeUnit;
  45 import java.util.concurrent.TimeoutException;
  46 import java.util.concurrent.atomic.AtomicReference;
  47 import javax.ws.rs.Consumes;
  48 import javax.ws.rs.DELETE;
  49 import javax.ws.rs.GET;
  50 import javax.ws.rs.POST;
  51 import javax.ws.rs.PUT;
  52 import javax.ws.rs.Path;
  53 import javax.ws.rs.Produces;
  54 import javax.ws.rs.client.Entity;
  55 import javax.ws.rs.client.InvocationCallback;
  56 import javax.ws.rs.core.MediaType;
  57 import javax.ws.rs.core.Response;
  58 import javax.ws.rs.core.Response.Status;
  59 import lombok.Getter;
  60 import lombok.Setter;
  61 import org.junit.AfterClass;
  62 import org.junit.Before;
  63 import org.junit.BeforeClass;
  64 import org.junit.Test;
  65 import org.mockito.Mock;
  66 import org.mockito.MockitoAnnotations;
  67 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
  68 import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
  69 import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams.TopicParamsBuilder;
  70 import org.onap.policy.common.endpoints.http.client.HttpClient;
  71 import org.onap.policy.common.endpoints.http.client.HttpClientFactory;
  72 import org.onap.policy.common.endpoints.http.client.HttpClientFactoryInstance;
  73 import org.onap.policy.common.endpoints.http.server.HttpServletServer;
  74 import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
  75 import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
  76 import org.onap.policy.common.endpoints.utils.NetLoggerUtil.EventType;
  77 import org.onap.policy.common.gson.GsonMessageBodyHandler;
  78 import org.onap.policy.common.utils.coder.CoderException;
  79 import org.onap.policy.common.utils.network.NetworkUtil;
  80 import org.onap.policy.controlloop.VirtualControlLoopEvent;
  81 import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome;
  82 import org.onap.policy.controlloop.actorserviceprovider.controlloop.ControlLoopEventContext;
  83 import org.onap.policy.controlloop.actorserviceprovider.parameters.ControlLoopOperationParams;
  84 import org.onap.policy.controlloop.actorserviceprovider.parameters.HttpConfig;
  85 import org.onap.policy.controlloop.actorserviceprovider.parameters.HttpParams;
  86 import org.onap.policy.controlloop.policy.PolicyResult;
  87
  88 public class HttpOperationTest {
  89
  90     private static final IllegalStateException EXPECTED_EXCEPTION = new IllegalStateException("expected exception");
  91     private static final String ACTOR = "my-actor";
  92     private static final String OPERATION = "my-name";
  93     private static final String HTTP_CLIENT = "my-client";
  94     private static final String HTTP_NO_SERVER = "my-http-no-server-client";
  95     private static final String MEDIA_TYPE_APPLICATION_JSON = "application/json";
  96     private static final String BASE_URI = "oper";
  97     private static final String PATH = "/my-path";
  98     private static final String TEXT = "my-text";
  99     private static final UUID REQ_ID = UUID.randomUUID();
 100
 101     /**
 102      * {@code True} if the server should reject the request, {@code false} otherwise.
 103      */
 104     private static boolean rejectRequest;
 105
 106     // call counts of each method type in the server
 107     private static int nget;
 108     private static int npost;
 109     private static int nput;
 110     private static int ndelete;
 111
 112     @Mock
 113     private HttpClient client;
 114     @Mock
 115     private HttpClientFactory clientFactory;
 116     @Mock
 117     private Response response;
 118     @Mock
 119     private Executor executor;
 120
 121     private VirtualControlLoopEvent event;
 122     private ControlLoopEventContext context;
 123     private ControlLoopOperationParams params;
 124     private OperationOutcome outcome;
 125     private AtomicReference<InvocationCallback<Response>> callback;
 126     private Future<Response> future;
 127     private HttpConfig config;
 128     private MyGetOperation<String> oper;
 129
 130     /**
 131      * Starts the simulator.
 132      */
 133     @BeforeClass
 134     public static void setUpBeforeClass() throws Exception {
 135         // allocate a port
 136         int port = NetworkUtil.allocPort();
 137
 138         /*
 139          * Start the simulator. Must use "Properties" to configure it, otherwise the
 140          * server will use the wrong serialization provider.
 141          */
 142         Properties svrprops = getServerProperties("my-server", port);
 143         HttpServletServerFactoryInstance.getServerFactory().build(svrprops).forEach(HttpServletServer::start);
 144
 145         if (!NetworkUtil.isTcpPortOpen("localhost", port, 100, 100)) {
 146             HttpServletServerFactoryInstance.getServerFactory().destroy();
 147             throw new IllegalStateException("server is not running");
 148         }
 149
 150         /*
 151          * Start the clients, one to the server, and one to a non-existent server.
 152          */
 153         TopicParamsBuilder builder = BusTopicParams.builder().managed(true).hostname("localhost").basePath(BASE_URI);
 154
 155         HttpClientFactoryInstance.getClientFactory().build(builder.clientName(HTTP_CLIENT).port(port).build());
 156
 157         HttpClientFactoryInstance.getClientFactory()
 158                         .build(builder.clientName(HTTP_NO_SERVER).port(NetworkUtil.allocPort()).build());
 159     }
 160
 161     /**
 162      * Destroys the Http factories and stops the appender.
 163      */
 164     @AfterClass
 165     public static void tearDownAfterClass() {
 166         HttpClientFactoryInstance.getClientFactory().destroy();
 167         HttpServletServerFactoryInstance.getServerFactory().destroy();
 168     }
 169
 170     /**
 171      * Initializes fields, including {@link #oper}, and resets the static fields used by
 172      * the REST server.
 173      */
 174     @Before
 175     public void setUp() {
 176         MockitoAnnotations.initMocks(this);
 177
 178         rejectRequest = false;
 179         nget = 0;
 180         npost = 0;
 181         nput = 0;
 182         ndelete = 0;
 183
 184         when(response.readEntity(String.class)).thenReturn(TEXT);
 185         when(response.getStatus()).thenReturn(200);
 186
 187         event = new VirtualControlLoopEvent();
 188         event.setRequestId(REQ_ID);
 189
 190         context = new ControlLoopEventContext(event);
 191         params = ControlLoopOperationParams.builder().actor(ACTOR).operation(OPERATION).context(context).build();
 192
 193         outcome = params.makeOutcome();
 194
 195         callback = new AtomicReference<>();
 196         future = new CompletableFuture<>();
 197
 198         when(clientFactory.get(any())).thenReturn(client);
 199
 200         initConfig(HTTP_CLIENT);
 201
 202         oper = new MyGetOperation<>(String.class);
 203     }
 204
 205     @Test
 206     public void testHttpOperator() {
 207         assertEquals(ACTOR, oper.getActorName());
 208         assertEquals(OPERATION, oper.getName());
 209         assertEquals(ACTOR + "." + OPERATION, oper.getFullName());
 210     }
 211
 212     @Test
 213     public void testMakeHeaders() {
 214         assertEquals(Collections.emptyMap(), oper.makeHeaders());
 215     }
 216
 217     @Test
 218     public void testGetPath() {
 219         assertEquals(PATH, oper.getPath());
 220     }
 221
 222     @Test
 223     public void testMakeUrl() {
 224         // use a real client
 225         initRealConfig(HTTP_CLIENT);
 226
 227         oper = new MyGetOperation<>(String.class);
 228
 229         assertThat(oper.getUrl()).endsWith("/" + BASE_URI + PATH);
 230     }
 231
 232     @Test
 233     public void testDoConfigureMapOfStringObject_testGetClient_testGetPath_testGetTimeoutMs() {
 234
 235         // use value from operator
 236         assertEquals(1000L, oper.getTimeoutMs(null));
 237         assertEquals(1000L, oper.getTimeoutMs(0));
 238
 239         // should use given value
 240         assertEquals(20 * 1000L, oper.getTimeoutMs(20));
 241     }
 242
 243     /**
 244      * Tests handleResponse() when it completes.
 245      */
 246     @Test
 247     public void testHandleResponseComplete() throws Exception {
 248         CompletableFuture<OperationOutcome> future2 = oper.handleResponse(outcome, PATH, cb -> {
 249             callback.set(cb);
 250             return future;
 251         });
 252
 253         assertFalse(future2.isDone());
 254         assertNotNull(callback.get());
 255         callback.get().completed(response);
 256
 257         assertSame(outcome, future2.get(5, TimeUnit.SECONDS));
 258         assertSame(TEXT, outcome.getResponse());
 259
 260         assertEquals(PolicyResult.SUCCESS, outcome.getResult());
 261     }
 262
 263     /**
 264      * Tests handleResponse() when it fails.
 265      */
 266     @Test
 267     public void testHandleResponseFailed() throws Exception {
 268         CompletableFuture<OperationOutcome> future2 = oper.handleResponse(outcome, PATH, cb -> {
 269             callback.set(cb);
 270             return future;
 271         });
 272
 273         assertFalse(future2.isDone());
 274         assertNotNull(callback.get());
 275         callback.get().failed(EXPECTED_EXCEPTION);
 276
 277         assertThatThrownBy(() -> future2.get(5, TimeUnit.SECONDS)).hasCause(EXPECTED_EXCEPTION);
 278
 279         // future and future2 may be completed in parallel so we must wait again
 280         assertThatThrownBy(() -> future.get(5, TimeUnit.SECONDS)).isInstanceOf(CancellationException.class);
 281         assertTrue(future.isCancelled());
 282     }
 283
 284     /**
 285      * Tests processResponse() when it's a success and the response type is a String.
 286      */
 287     @Test
 288     public void testProcessResponseSuccessString() throws Exception {
 289         CompletableFuture<OperationOutcome> result = oper.processResponse(outcome, PATH, response);
 290         assertTrue(result.isDone());
 291         assertSame(outcome, result.get());
 292         assertEquals(PolicyResult.SUCCESS, outcome.getResult());
 293         assertSame(TEXT, outcome.getResponse());
 294     }
 295
 296     /**
 297      * Tests processResponse() when it's a failure.
 298      */
 299     @Test
 300     public void testProcessResponseFailure() throws Exception {
 301         when(response.getStatus()).thenReturn(555);
 302         CompletableFuture<OperationOutcome> result = oper.processResponse(outcome, PATH, response);
 303         assertTrue(result.isDone());
 304         assertSame(outcome, result.get());
 305         assertEquals(PolicyResult.FAILURE, outcome.getResult());
 306         assertSame(TEXT, outcome.getResponse());
 307     }
 308
 309     /**
 310      * Tests processResponse() when the decoder succeeds.
 311      */
 312     @Test
 313     public void testProcessResponseDecodeOk() throws Exception {
 314         when(response.readEntity(String.class)).thenReturn("10");
 315
 316         MyGetOperation<Integer> oper2 = new MyGetOperation<>(Integer.class);
 317
 318         CompletableFuture<OperationOutcome> result = oper2.processResponse(outcome, PATH, response);
 319         assertTrue(result.isDone());
 320         assertSame(outcome, result.get());
 321         assertEquals(PolicyResult.SUCCESS, outcome.getResult());
 322         assertEquals(Integer.valueOf(10), outcome.getResponse());
 323     }
 324
 325     /**
 326      * Tests processResponse() when the decoder throws an exception.
 327      */
 328     @Test
 329     public void testProcessResponseDecodeExcept() throws CoderException {
 330         MyGetOperation<Integer> oper2 = new MyGetOperation<>(Integer.class);
 331
 332         assertThatIllegalArgumentException().isThrownBy(() -> oper2.processResponse(outcome, PATH, response));
 333     }
 334
 335     @Test
 336     public void testPostProcessResponse() {
 337         assertThatCode(() -> oper.postProcessResponse(outcome, PATH, null, null)).doesNotThrowAnyException();
 338     }
 339
 340     @Test
 341     public void testIsSuccess() {
 342         when(response.getStatus()).thenReturn(200);
 343         assertTrue(oper.isSuccess(response, null));
 344
 345         when(response.getStatus()).thenReturn(555);
 346         assertFalse(oper.isSuccess(response, null));
 347     }
 348
 349     /**
 350      * Tests a GET.
 351      */
 352     @Test
 353     public void testGet() throws Exception {
 354         // use a real client
 355         initRealConfig(HTTP_CLIENT);
 356
 357         MyGetOperation<MyResponse> oper2 = new MyGetOperation<>(MyResponse.class);
 358
 359         OperationOutcome outcome = runOperation(oper2);
 360         assertNotNull(outcome);
 361         assertEquals(1, nget);
 362         assertEquals(PolicyResult.SUCCESS, outcome.getResult());
 363         assertTrue(outcome.getResponse() instanceof MyResponse);
 364     }
 365
 366     /**
 367      * Tests a DELETE.
 368      */
 369     @Test
 370     public void testDelete() throws Exception {
 371         // use a real client
 372         initRealConfig(HTTP_CLIENT);
 373
 374         MyDeleteOperation oper2 = new MyDeleteOperation();
 375
 376         OperationOutcome outcome = runOperation(oper2);
 377         assertNotNull(outcome);
 378         assertEquals(1, ndelete);
 379         assertEquals(PolicyResult.SUCCESS, outcome.getResult());
 380         assertTrue(outcome.getResponse() instanceof String);
 381     }
 382
 383     /**
 384      * Tests a POST.
 385      */
 386     @Test
 387     public void testPost() throws Exception {
 388         // use a real client
 389         initRealConfig(HTTP_CLIENT);
 390         MyPostOperation oper2 = new MyPostOperation();
 391
 392         OperationOutcome outcome = runOperation(oper2);
 393         assertNotNull(outcome);
 394         assertEquals(1, npost);
 395         assertEquals(PolicyResult.SUCCESS, outcome.getResult());
 396         assertTrue(outcome.getResponse() instanceof MyResponse);
 397     }
 398
 399     /**
 400      * Tests a PUT.
 401      */
 402     @Test
 403     public void testPut() throws Exception {
 404         // use a real client
 405         initRealConfig(HTTP_CLIENT);
 406
 407         MyPutOperation oper2 = new MyPutOperation();
 408
 409         OperationOutcome outcome = runOperation(oper2);
 410         assertNotNull(outcome);
 411         assertEquals(1, nput);
 412         assertEquals(PolicyResult.SUCCESS, outcome.getResult());
 413         assertTrue(outcome.getResponse() instanceof MyResponse);
 414     }
 415
 416     @Test
 417     public void testMakeDecoder() {
 418         assertNotNull(oper.makeCoder());
 419     }
 420
 421     /**
 422      * Gets server properties.
 423      *
 424      * @param name server name
 425      * @param port server port
 426      * @return server properties
 427      */
 428     private static Properties getServerProperties(String name, int port) {
 429         final Properties props = new Properties();
 430         props.setProperty(PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES, name);
 431
 432         final String svcpfx = PolicyEndPointProperties.PROPERTY_HTTP_SERVER_SERVICES + "." + name;
 433
 434         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_REST_CLASSES_SUFFIX, Server.class.getName());
 435         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_HOST_SUFFIX, "localhost");
 436         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_PORT_SUFFIX, String.valueOf(port));
 437         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_MANAGED_SUFFIX, "true");
 438         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_SWAGGER_SUFFIX, "false");
 439
 440         props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_SERIALIZATION_PROVIDER,
 441                         GsonMessageBodyHandler.class.getName());
 442         return props;
 443     }
 444
 445     /**
 446      * Initializes the configuration.
 447      *
 448      * @param operator operator to be initialized
 449      * @param clientName name of the client which it should use
 450      */
 451     private void initConfig(String clientName) {
 452         initConfig(clientName, clientFactory);
 453     }
 454
 455     /**
 456      * Initializes the configuration with a real client.
 457      *
 458      * @param operator operator to be initialized
 459      * @param clientName name of the client which it should use
 460      */
 461     private void initConfig(String clientName, HttpClientFactory factory) {
 462         HttpParams params = HttpParams.builder().clientName(clientName).path(PATH).timeoutSec(1).build();
 463         config = new HttpConfig(executor, params, factory);
 464     }
 465
 466     /**
 467      * Initializes the configuration with a real client.
 468      *
 469      * @param operator operator to be initialized
 470      * @param clientName name of the client which it should use
 471      */
 472     private void initRealConfig(String clientName) {
 473         initConfig(clientName, HttpClientFactoryInstance.getClientFactory());
 474     }
 475
 476     /**
 477      * Runs the operation.
 478      *
 479      * @param operator operator on which to start the operation
 480      * @return the outcome of the operation, or {@code null} if it does not complete in
 481      *         time
 482      */
 483     private <T> OperationOutcome runOperation(HttpOperation<T> operator)
 484                     throws InterruptedException, ExecutionException, TimeoutException {
 485
 486         CompletableFuture<OperationOutcome> future = operator.start();
 487
 488         return future.get(5, TimeUnit.SECONDS);
 489     }
 490
 491     @Getter
 492     @Setter
 493     public static class MyRequest {
 494         private String input = "some input";
 495     }
 496
 497     @Getter
 498     @Setter
 499     public static class MyResponse {
 500         private String output = "some output";
 501     }
 502
 503     private class MyGetOperation<T> extends HttpOperation<T> {
 504         public MyGetOperation(Class<T> responseClass) {
 505             super(HttpOperationTest.this.params, HttpOperationTest.this.config, responseClass);
 506         }
 507
 508         @Override
 509         protected CompletableFuture<OperationOutcome> startOperationAsync(int attempt, OperationOutcome outcome) {
 510             Map<String, Object> headers = makeHeaders();
 511
 512             headers.put("Accept", MediaType.APPLICATION_JSON);
 513             String url = getUrl();
 514
 515             logMessage(EventType.OUT, CommInfrastructure.REST, url, null);
 516
 517             // @formatter:off
 518             return handleResponse(outcome, url,
 519                 callback -> getClient().get(callback, getPath(), headers));
 520             // @formatter:on
 521         }
 522     }
 523
 524     private class MyPostOperation extends HttpOperation<MyResponse> {
 525         public MyPostOperation() {
 526             super(HttpOperationTest.this.params, HttpOperationTest.this.config, MyResponse.class);
 527         }
 528
 529         @Override
 530         protected CompletableFuture<OperationOutcome> startOperationAsync(int attempt, OperationOutcome outcome) {
 531
 532             MyRequest request = new MyRequest();
 533
 534             Entity<MyRequest> entity = Entity.entity(request, MediaType.APPLICATION_JSON);
 535
 536             Map<String, Object> headers = makeHeaders();
 537
 538             headers.put("Accept", MediaType.APPLICATION_JSON);
 539             String url = getUrl();
 540
 541             logMessage(EventType.OUT, CommInfrastructure.REST, url, request);
 542
 543             // @formatter:off
 544             return handleResponse(outcome, url,
 545                 callback -> getClient().post(callback, getPath(), entity, headers));
 546             // @formatter:on
 547         }
 548     }
 549
 550     private class MyPutOperation extends HttpOperation<MyResponse> {
 551         public MyPutOperation() {
 552             super(HttpOperationTest.this.params, HttpOperationTest.this.config, MyResponse.class);
 553         }
 554
 555         @Override
 556         protected CompletableFuture<OperationOutcome> startOperationAsync(int attempt, OperationOutcome outcome) {
 557
 558             MyRequest request = new MyRequest();
 559
 560             Entity<MyRequest> entity = Entity.entity(request, MediaType.APPLICATION_JSON);
 561
 562             Map<String, Object> headers = makeHeaders();
 563
 564             headers.put("Accept", MediaType.APPLICATION_JSON);
 565             String url = getUrl();
 566
 567             logMessage(EventType.OUT, CommInfrastructure.REST, url, request);
 568
 569             // @formatter:off
 570             return handleResponse(outcome, url,
 571                 callback -> getClient().put(callback, getPath(), entity, headers));
 572             // @formatter:on
 573         }
 574     }
 575
 576     private class MyDeleteOperation extends HttpOperation<String> {
 577         public MyDeleteOperation() {
 578             super(HttpOperationTest.this.params, HttpOperationTest.this.config, String.class);
 579         }
 580
 581         @Override
 582         protected CompletableFuture<OperationOutcome> startOperationAsync(int attempt, OperationOutcome outcome) {
 583             Map<String, Object> headers = makeHeaders();
 584
 585             headers.put("Accept", MediaType.APPLICATION_JSON);
 586             String url = getUrl();
 587
 588             logMessage(EventType.OUT, CommInfrastructure.REST, url, null);
 589
 590             // @formatter:off
 591             return handleResponse(outcome, url,
 592                 callback -> getClient().delete(callback, getPath(), headers));
 593             // @formatter:on
 594         }
 595     }
 596
 597     /**
 598      * Simulator.
 599      */
 600     @Path("/" + BASE_URI)
 601     @Produces(MEDIA_TYPE_APPLICATION_JSON)
 602     @Consumes(value = {MEDIA_TYPE_APPLICATION_JSON})
 603     public static class Server {
 604
 605         /**
 606          * Generates a response to a GET.
 607          *
 608          * @return resulting response
 609          */
 610         @GET
 611         @Path(PATH)
 612         public Response getRequest() {
 613             ++nget;
 614
 615             if (rejectRequest) {
 616                 return Response.status(Status.BAD_REQUEST).build();
 617
 618             } else {
 619                 return Response.status(Status.OK).entity(new MyResponse()).build();
 620             }
 621         }
 622
 623         /**
 624          * Generates a response to a POST.
 625          *
 626          * @param request incoming request
 627          * @return resulting response
 628          */
 629         @POST
 630         @Path(PATH)
 631         public Response postRequest(MyRequest request) {
 632             ++npost;
 633
 634             if (rejectRequest) {
 635                 return Response.status(Status.BAD_REQUEST).build();
 636
 637             } else {
 638                 return Response.status(Status.OK).entity(new MyResponse()).build();
 639             }
 640         }
 641
 642         /**
 643          * Generates a response to a PUT.
 644          *
 645          * @param request incoming request
 646          * @return resulting response
 647          */
 648         @PUT
 649         @Path(PATH)
 650         public Response putRequest(MyRequest request) {
 651             ++nput;
 652
 653             if (rejectRequest) {
 654                 return Response.status(Status.BAD_REQUEST).build();
 655
 656             } else {
 657                 return Response.status(Status.OK).entity(new MyResponse()).build();
 658             }
 659         }
 660
 661         /**
 662          * Generates a response to a DELETE.
 663          *
 664          * @return resulting response
 665          */
 666         @DELETE
 667         @Path(PATH)
 668         public Response deleteRequest() {
 669             ++ndelete;
 670
 671             if (rejectRequest) {
 672                 return Response.status(Status.BAD_REQUEST).build();
 673
 674             } else {
 675                 return Response.status(Status.OK).entity(new MyResponse()).build();
 676             }
 677         }
 678     }
 679 }