/*
* Copyright 2002-2014 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.web.servlet.mvc.method.annotation;
import java.io.Serializable;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.springframework.core.MethodParameter;
import org.springframework.http.HttpEntity;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.mock.web.test.MockHttpServletResponse;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.context.request.ServletWebRequest;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.method.support.ModelAndViewContainer;
import static org.junit.Assert.*;
/**
* Test fixture with {@link HttpEntityMethodProcessor} delegating to
* actual {@link HttpMessageConverter} instances.
*
* <p>Also see {@link HttpEntityMethodProcessorMockTests}.
*
* @author Rossen Stoyanchev
*/
public class HttpEntityMethodProcessorTests {
private MethodParameter paramList;
private MethodParameter paramSimpleBean;
private ModelAndViewContainer mavContainer;
private WebDataBinderFactory binderFactory;
private MockHttpServletRequest servletRequest;
private MockHttpServletResponse servletResponse;
private ServletWebRequest webRequest;
@Before
public void setUp() throws Exception {
Method method = getClass().getMethod("handle", HttpEntity.class, HttpEntity.class);
paramList = new MethodParameter(method, 0);
paramSimpleBean = new MethodParameter(method, 1);
mavContainer = new ModelAndViewContainer();
binderFactory = new ValidatingBinderFactory();
servletRequest = new MockHttpServletRequest();
servletResponse = new MockHttpServletResponse();
webRequest = new ServletWebRequest(servletRequest, servletResponse);
}
@Test
public void resolveArgument() throws Exception {
String content = "{\"name\" : \"Jad\"}";
this.servletRequest.setContent(content.getBytes("UTF-8"));
this.servletRequest.setContentType("application/json");
List<HttpMessageConverter<?>> converters = new ArrayList<HttpMessageConverter<?>>();
converters.add(new MappingJackson2HttpMessageConverter());
HttpEntityMethodProcessor processor = new HttpEntityMethodProcessor(converters);
@SuppressWarnings("unchecked")
HttpEntity<SimpleBean> result = (HttpEntity<SimpleBean>) processor.resolveArgument(
paramSimpleBean, mavContainer, webRequest, binderFactory);
assertNotNull(result);
assertEquals("Jad", result.getBody().getName());
}
@Test
public void resolveGenericArgument() throws Exception {
String content = "[{\"name\" : \"Jad\"}, {\"name\" : \"Robert\"}]";
this.servletRequest.setContent(content.getBytes("UTF-8"));
this.servletRequest.setContentType("application/json");
List<HttpMessageConverter<?>> converters = new ArrayList<HttpMessageConverter<?>>();
converters.add(new MappingJackson2HttpMessageConverter());
HttpEntityMethodProcessor processor = new HttpEntityMethodProcessor(converters);
@SuppressWarnings("unchecked")
HttpEntity<List<SimpleBean>> result = (HttpEntity<List<SimpleBean>>) processor.resolveArgument(
paramList, mavContainer, webRequest, binderFactory);
assertNotNull(result);
assertEquals("Jad", result.getBody().get(0).getName());
assertEquals("Robert", result.getBody().get(1).getName());
}
@Test
public void resolveArgumentTypeVariable() throws Exception {
Method method = MySimpleParameterizedController.class.getMethod("handleDto", HttpEntity.class);
HandlerMethod handlerMethod = new HandlerMethod(new MySimpleParameterizedController(), method);
MethodParameter methodParam = handlerMethod.getMethodParameters()[0];
String content = "{\"name\" : \"Jad\"}";
this.servletRequest.setContent(content.getBytes("UTF-8"));
this.servletRequest.setContentType(MediaType.APPLICATION_JSON_VALUE);
List<HttpMessageConverter<?>> converters = new ArrayList<HttpMessageConverter<?>>();
converters.add(new MappingJackson2HttpMessageConverter());
HttpEntityMethodProcessor processor = new HttpEntityMethodProcessor(converters);
@SuppressWarnings("unchecked")
HttpEntity<SimpleBean> result = (HttpEntity<SimpleBean>)
processor.resolveArgument(methodParam, mavContainer, webRequest, binderFactory);
assertNotNull(result);
assertEquals("Jad", result.getBody().getName());
}
public void handle(HttpEntity<List<SimpleBean>> arg1, HttpEntity<SimpleBean> arg2) {
}
private static abstract class MyParameterizedController<DTO extends Identifiable> {
public void handleDto(HttpEntity<DTO> dto) {
}
}
private static class MySimpleParameterizedController extends MyParameterizedController<SimpleBean> {
}
private interface Identifiable extends Serializable {
public Long getId();
public void setId(Long id);
}
@SuppressWarnings({ "serial" })
private static class SimpleBean implements Identifiable {
private Long id;
private String name;
@Override
public Long getId() {
return id;
}
@Override
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
@SuppressWarnings("unused")
public void setName(String name) {
this.name = name;
}
}
private final class ValidatingBinderFactory implements WebDataBinderFactory {
@Override
public WebDataBinder createBinder(NativeWebRequest webRequest, Object target, String objectName) {
LocalValidatorFactoryBean validator = new LocalValidatorFactoryBean();
validator.afterPropertiesSet();
WebDataBinder dataBinder = new WebDataBinder(target, objectName);
dataBinder.setValidator(validator);
return dataBinder;
}
}
}