| /* |
| * 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.qi4j.library.rest.client.docsupport; |
| |
| import org.hamcrest.CoreMatchers; |
| import org.junit.Assert; |
| import org.qi4j.api.property.Property; |
| import org.qi4j.api.structure.Module; |
| import org.qi4j.api.value.ValueComposite; |
| import org.qi4j.library.rest.client.api.ContextResourceClient; |
| import org.qi4j.library.rest.client.api.ContextResourceClientFactory; |
| import org.qi4j.library.rest.client.api.ErrorHandler; |
| import org.qi4j.library.rest.client.api.HandlerCommand; |
| import org.qi4j.library.rest.client.spi.NullResponseHandler; |
| import org.qi4j.library.rest.client.spi.ResponseHandler; |
| import org.qi4j.library.rest.client.spi.ResultHandler; |
| import org.qi4j.library.rest.common.Resource; |
| import org.restlet.Client; |
| import org.restlet.Response; |
| import org.restlet.data.MediaType; |
| import org.restlet.data.Protocol; |
| import org.restlet.data.Reference; |
| import org.restlet.resource.ResourceException; |
| import org.restlet.security.User; |
| |
| import static org.qi4j.library.rest.client.api.HandlerCommand.query; |
| import static org.qi4j.library.rest.client.api.HandlerCommand.refresh; |
| |
| public class RestPrimerDocs |
| { |
| |
| private Module module; |
| |
| private ContextResourceClient crc; |
| |
| { |
| // START SNIPPET: 1 |
| crc.onResource( new ResultHandler<Resource>() |
| { |
| @Override |
| public HandlerCommand handleResult( Resource result, ContextResourceClient client ) |
| { |
| // This may throw IAE if no link with relation |
| // "querywithoutvalue" is found in the Resource |
| return query( "querywithoutvalue", null ); |
| } |
| } ). |
| onQuery( "querywithoutvalue", new ResultHandler<TestResult>() |
| { |
| @Override |
| public HandlerCommand handleResult( TestResult result, ContextResourceClient client ) |
| { |
| Assert.assertThat(result.xyz().get(), CoreMatchers.equalTo("bar")); |
| return null; |
| } |
| } ); |
| |
| crc.start(); |
| // END SNIPPET: 1 |
| } |
| |
| { |
| // START SNIPPET: 2 |
| // Create Restlet client and bookmark Reference |
| Client client = new Client( Protocol.HTTP ); |
| Reference ref = new Reference( "http://localhost:8888/" ); |
| ContextResourceClientFactory contextResourceClientFactory = module.newObject( ContextResourceClientFactory.class, client, new NullResponseHandler() ); |
| contextResourceClientFactory.setAcceptedMediaTypes( MediaType.APPLICATION_JSON ); |
| |
| // Handle logins |
| contextResourceClientFactory.setErrorHandler( new ErrorHandler().onError( ErrorHandler.AUTHENTICATION_REQUIRED, new ResponseHandler() |
| { |
| // Only try to login once |
| boolean tried = false; |
| |
| @Override |
| public HandlerCommand handleResponse( Response response, ContextResourceClient client ) |
| { |
| // If we have already tried to login, fail! |
| if (tried) |
| throw new ResourceException( response.getStatus() ); |
| |
| tried = true; |
| client.getContextResourceClientFactory().getInfo().setUser( new User("rickard", "secret") ); |
| |
| // Try again |
| return refresh(); |
| } |
| } ).onError( ErrorHandler.RECOVERABLE_ERROR, new ResponseHandler() |
| { |
| @Override |
| public HandlerCommand handleResponse( Response response, ContextResourceClient client ) |
| { |
| // Try to restart this scenario |
| return refresh(); |
| } |
| } ) ); |
| |
| crc = contextResourceClientFactory.newClient( ref ); |
| // END SNIPPET: 2 |
| } |
| |
| public interface TestResult |
| extends ValueComposite |
| { |
| Property<String> xyz(); |
| } |
| |
| } |