/*
* Copyright 2002-2010 the original author or authors.
*
* Licensed 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.springframework.integration.samples.rest;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StringWriter;
import java.util.HashMap;
import java.util.Map;
import javax.xml.transform.stream.StreamResult;
import org.apache.log4j.Logger;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.http.client.ClientHttpRequest;
import org.springframework.integration.samples.rest.domain.EmployeeList;
import org.springframework.oxm.jaxb.Jaxb2Marshaller;
import org.springframework.security.crypto.codec.Base64;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.web.client.HttpMessageConverterExtractor;
import org.springframework.web.client.RequestCallback;
import org.springframework.web.client.RestTemplate;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* RestHttpClientTest.java: Functional Test to test the REST HTTP Path usage. This test requires
* rest-http application running in HTTP environment.
* @author Vigil Bose
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations={"classpath*:META-INF/spring/integration/http-outbound-config.xml"})
public class RestHttpClientTest {
@Autowired
private RestTemplate restTemplate;
private HttpMessageConverterExtractor<EmployeeList> responseExtractor;
private static Logger logger = Logger.getLogger(RestHttpClientTest.class);
@Autowired
private Jaxb2Marshaller marshaller;
@Autowired
private ObjectMapper jaxbJacksonObjectMapper;
@Before
public void setUp() {
responseExtractor = new HttpMessageConverterExtractor<EmployeeList>(EmployeeList.class, restTemplate.getMessageConverters());
Map<String, Object> properties = new HashMap<String, Object>();
properties.put(javax.xml.bind.Marshaller.JAXB_ENCODING, "UTF-8");
properties.put(javax.xml.bind.Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
marshaller.setMarshallerProperties(properties);
}
/**
*
* @throws Exception
*/
@Test
public void testGetEmployeeAsXml() throws Exception{
Map<String, Object> employeeSearchMap = getEmployeeSearchMap("0");
final String fullUrl = "http://localhost:8080/rest-http/services/employee/{id}/search";
EmployeeList employeeList = restTemplate.execute(fullUrl, HttpMethod.GET,
new RequestCallback() {
@Override
public void doWithRequest(ClientHttpRequest request) throws IOException {
HttpHeaders headers = getHttpHeadersWithUserCredentials(request);
headers.add("Accept", "application/xml");
}
}, responseExtractor, employeeSearchMap);
logger.info("The employee list size :"+employeeList.getEmployee().size());
StringWriter sw = new StringWriter();
StreamResult sr = new StreamResult(sw);
marshaller.marshal(employeeList, sr);
logger.info(sr.getWriter().toString());
assertTrue(employeeList.getEmployee().size() > 0);
}
private Map<String, Object> getEmployeeSearchMap(String id) {
Map<String, Object> employeeSearchMap = new HashMap<String, Object>();
employeeSearchMap.put("id", id);
return employeeSearchMap;
}
@Test
public void testGetEmployeeAsJson() throws Exception{
Map<String, Object> employeeSearchMap = getEmployeeSearchMap("0");
final String fullUrl = "http://localhost:8080/rest-http/services/employee/{id}/search?format=json";
HttpHeaders headers = getHttpHeadersWithUserCredentials(new HttpHeaders());
headers.add("Accept", "application/json");
HttpEntity<Object> request = new HttpEntity<Object>(headers);
ResponseEntity<?> httpResponse = restTemplate.exchange(fullUrl, HttpMethod.GET, request, EmployeeList.class, employeeSearchMap);
logger.info("Return Status :"+httpResponse.getHeaders().get("X-Return-Status"));
logger.info("Return Status Message :"+httpResponse.getHeaders().get("X-Return-Status-Msg"));
assertTrue(httpResponse.getStatusCode().equals(HttpStatus.OK));
ByteArrayOutputStream out = new ByteArrayOutputStream();
jaxbJacksonObjectMapper.writeValue(out, httpResponse.getBody());
logger.info(new String(out.toByteArray()));
}
private HttpHeaders getHttpHeadersWithUserCredentials(ClientHttpRequest request){
return (getHttpHeadersWithUserCredentials(request.getHeaders()));
}
private HttpHeaders getHttpHeadersWithUserCredentials(HttpHeaders headers){
String username = "SPRING";
String password = "spring";
String combinedUsernamePassword = username+":"+password;
byte[] base64Token = Base64.encode(combinedUsernamePassword.getBytes());
String base64EncodedToken = new String (base64Token);
//adding Authorization header for HTTP Basic authentication
headers.add("Authorization","Basic "+base64EncodedToken);
return headers;
}
}