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revised handler method resolution, in particular with respect to generic interfaces (SPR-7355)

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This commit is contained in:
Juergen Hoeller
2010-08-15 21:12:54 +00:00
parent 49a2970def
commit 35971f9f90
7 changed files with 322 additions and 114 deletions
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221
org.springframework.web.servlet/src/test/java/org/springframework/web/servlet/mvc/annotation/ServletAnnotationControllerTests.java
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@@ -174,6 +174,27 @@ public class ServletAnnotationControllerTests {
assertEquals("test", response.getContentAsString());
}
@Test
public void emptyValueMapping() throws Exception {
servlet = new DispatcherServlet() {
@Override
protected WebApplicationContext createWebApplicationContext(WebApplicationContext parent) {
GenericWebApplicationContext wac = new GenericWebApplicationContext();
wac.registerBeanDefinition("controller", new RootBeanDefinition(ControllerWithEmptyValueMapping.class));
wac.refresh();
return wac;
}
};
servlet.init(new MockServletConfig());
MockHttpServletRequest request = new MockHttpServletRequest("GET", "/foo");
request.setContextPath("/foo");
request.setServletPath("");
MockHttpServletResponse response = new MockHttpServletResponse();
servlet.service(request, response);
assertEquals("test", response.getContentAsString());
}
@Test
public void customAnnotationController() throws Exception {
initServlet(CustomAnnotationController.class);
@@ -382,6 +403,7 @@ public class ServletAnnotationControllerTests {
MockHttpServletRequest request = new MockHttpServletRequest("GET", "/myPage");
MockHttpServletResponse response = new MockHttpServletResponse();
servlet.service(request, response);
assertEquals("page1", request.getAttribute("viewName"));
HttpSession session = request.getSession();
assertTrue(session.getAttribute("object1") != null);
assertTrue(session.getAttribute("object2") != null);
@@ -392,6 +414,7 @@ public class ServletAnnotationControllerTests {
request.setSession(session);
response = new MockHttpServletResponse();
servlet.service(request, response);
assertEquals("page2", request.getAttribute("viewName"));
assertTrue(session.getAttribute("object1") != null);
assertTrue(session.getAttribute("object2") != null);
assertTrue(((Map) session.getAttribute("model")).containsKey("object1"));
@@ -419,6 +442,7 @@ public class ServletAnnotationControllerTests {
MockHttpServletRequest request = new MockHttpServletRequest("GET", "/myPage");
MockHttpServletResponse response = new MockHttpServletResponse();
servlet.service(request, response);
assertEquals("page1", request.getAttribute("viewName"));
HttpSession session = request.getSession();
assertTrue(session.getAttribute("object1") != null);
assertTrue(session.getAttribute("object2") != null);
@@ -429,12 +453,88 @@ public class ServletAnnotationControllerTests {
request.setSession(session);
response = new MockHttpServletResponse();
servlet.service(request, response);
assertEquals("page2", request.getAttribute("viewName"));
assertTrue(session.getAttribute("object1") != null);
assertTrue(session.getAttribute("object2") != null);
assertTrue(((Map) session.getAttribute("model")).containsKey("object1"));
assertTrue(((Map) session.getAttribute("model")).containsKey("object2"));
}
@Test
public void parameterizedAnnotatedInterface() throws Exception {
@SuppressWarnings("serial") DispatcherServlet servlet = new DispatcherServlet() {
@Override
protected WebApplicationContext createWebApplicationContext(WebApplicationContext parent) {
GenericWebApplicationContext wac = new GenericWebApplicationContext();
wac.registerBeanDefinition("controller", new RootBeanDefinition(MyParameterizedControllerImpl.class));
wac.registerBeanDefinition("viewResolver", new RootBeanDefinition(ModelExposingViewResolver.class));
wac.refresh();
return wac;
}
};
servlet.init(new MockServletConfig());
MockHttpServletRequest request = new MockHttpServletRequest("GET", "/myPage");
MockHttpServletResponse response = new MockHttpServletResponse();
servlet.service(request, response);
assertEquals("page1", request.getAttribute("viewName"));
HttpSession session = request.getSession();
assertTrue(session.getAttribute("object1") != null);
assertTrue(session.getAttribute("object2") != null);
assertTrue(((Map) session.getAttribute("model")).containsKey("object1"));
assertTrue(((Map) session.getAttribute("model")).containsKey("object2"));
assertTrue(((Map) session.getAttribute("model")).containsKey("testBeanList"));
request = new MockHttpServletRequest("POST", "/myPage");
request.setSession(session);
response = new MockHttpServletResponse();
servlet.service(request, response);
assertEquals("page2", request.getAttribute("viewName"));
assertTrue(session.getAttribute("object1") != null);
assertTrue(session.getAttribute("object2") != null);
assertTrue(((Map) session.getAttribute("model")).containsKey("object1"));
assertTrue(((Map) session.getAttribute("model")).containsKey("object2"));
assertTrue(((Map) session.getAttribute("model")).containsKey("testBeanList"));
}
@Test
public void parameterizedAnnotatedInterfaceWithOverriddenMappingsInImpl() throws Exception {
@SuppressWarnings("serial") DispatcherServlet servlet = new DispatcherServlet() {
@Override
protected WebApplicationContext createWebApplicationContext(WebApplicationContext parent) {
GenericWebApplicationContext wac = new GenericWebApplicationContext();
wac.registerBeanDefinition("controller",
new RootBeanDefinition(MyParameterizedControllerImplWithOverriddenMappings.class));
wac.registerBeanDefinition("viewResolver", new RootBeanDefinition(ModelExposingViewResolver.class));
wac.refresh();
return wac;
}
};
servlet.init(new MockServletConfig());
MockHttpServletRequest request = new MockHttpServletRequest("GET", "/myPage");
MockHttpServletResponse response = new MockHttpServletResponse();
servlet.service(request, response);
assertEquals("page1", request.getAttribute("viewName"));
HttpSession session = request.getSession();
assertTrue(session.getAttribute("object1") != null);
assertTrue(session.getAttribute("object2") != null);
assertTrue(((Map) session.getAttribute("model")).containsKey("object1"));
assertTrue(((Map) session.getAttribute("model")).containsKey("object2"));
assertTrue(((Map) session.getAttribute("model")).containsKey("testBeanList"));
request = new MockHttpServletRequest("POST", "/myPage");
request.setSession(session);
response = new MockHttpServletResponse();
servlet.service(request, response);
assertEquals("page2", request.getAttribute("viewName"));
assertTrue(session.getAttribute("object1") != null);
assertTrue(session.getAttribute("object2") != null);
assertTrue(((Map) session.getAttribute("model")).containsKey("object1"));
assertTrue(((Map) session.getAttribute("model")).containsKey("object2"));
assertTrue(((Map) session.getAttribute("model")).containsKey("testBeanList"));
}
@Test
public void adaptedHandleMethods() throws Exception {
doTestAdaptedHandleMethods(MyAdaptedController.class);
@@ -1599,6 +1699,7 @@ public class ServletAnnotationControllerTests {
assertEquals("test-{foo=bar}", response.getContentAsString());
}
/*
* Controllers
*/
@@ -1623,6 +1724,20 @@ public class ServletAnnotationControllerTests {
}
}
@Controller
private static class ControllerWithEmptyValueMapping {
@RequestMapping("")
public void myPath2(HttpServletResponse response) throws IOException {
response.getWriter().write("test");
}
@RequestMapping("/bar")
public void myPath3(HttpServletResponse response) throws IOException {
response.getWriter().write("testX");
}
}
@Controller
private static class MyAdaptedController {
@@ -1632,10 +1747,8 @@ public class ServletAnnotationControllerTests {
}
@RequestMapping("/myPath2.do")
public void myHandle(@RequestParam("param1") String p1,
@RequestParam("param2") int p2,
@RequestHeader("header1") long h1,
@CookieValue("cookie1") Cookie c1,
public void myHandle(@RequestParam("param1") String p1, @RequestParam("param2") int p2,
@RequestHeader("header1") long h1, @CookieValue("cookie1") Cookie c1,
HttpServletResponse response) throws IOException {
response.getWriter().write("test-" + p1 + "-" + p2 + "-" + h1 + "-" + c1.getValue());
}
@@ -1661,11 +1774,8 @@ public class ServletAnnotationControllerTests {
}
@RequestMapping("/myPath2.do")
public void myHandle(@RequestParam("param1") String p1,
int param2,
HttpServletResponse response,
@RequestHeader("header1") String h1,
@CookieValue("cookie1") String c1) throws IOException {
public void myHandle(@RequestParam("param1") String p1, int param2, HttpServletResponse response,
@RequestHeader("header1") String h1, @CookieValue("cookie1") String c1) throws IOException {
response.getWriter().write("test-" + p1 + "-" + param2 + "-" + h1 + "-" + c1);
}
@@ -1684,11 +1794,8 @@ public class ServletAnnotationControllerTests {
private static class MyAdaptedControllerBase<T> {
@RequestMapping("/myPath2.do")
public void myHandle(@RequestParam("param1") T p1,
int param2,
@RequestHeader Integer header1,
@CookieValue int cookie1,
HttpServletResponse response) throws IOException {
public void myHandle(@RequestParam("param1") T p1, int param2, @RequestHeader Integer header1,
@CookieValue int cookie1, HttpServletResponse response) throws IOException {
response.getWriter().write("test-" + p1 + "-" + param2 + "-" + header1 + "-" + cookie1);
}
@@ -1712,11 +1819,8 @@ public class ServletAnnotationControllerTests {
}
@Override
public void myHandle(@RequestParam("param1") String p1,
int param2,
@RequestHeader Integer header1,
@CookieValue int cookie1,
HttpServletResponse response) throws IOException {
public void myHandle(@RequestParam("param1") String p1, int param2, @RequestHeader Integer header1,
@CookieValue int cookie1, HttpServletResponse response) throws IOException {
response.getWriter().write("test-" + p1 + "-" + param2 + "-" + header1 + "-" + cookie1);
}
@@ -1768,13 +1872,13 @@ public class ServletAnnotationControllerTests {
public String get(Model model) {
model.addAttribute("object1", new Object());
model.addAttribute("object2", new Object());
return "myPage";
return "page1";
}
@RequestMapping(method = RequestMethod.POST)
public String post(@ModelAttribute("object1") Object object1) {
//do something with object1
return "myPage";
return "page2";
}
}
@@ -1796,14 +1900,79 @@ public class ServletAnnotationControllerTests {
public String get(Model model) {
model.addAttribute("object1", new Object());
model.addAttribute("object2", new Object());
return "myPage";
return "page1";
}
public String post(@ModelAttribute("object1") Object object1) {
//do something with object1
return "myPage";
return "page2";
}
}
@RequestMapping("/myPage")
@SessionAttributes({"object1", "object2"})
public interface MyParameterizedControllerIfc<T> {
@ModelAttribute("testBeanList")
List<TestBean> getTestBeans();
@RequestMapping(method = RequestMethod.GET)
String get(Model model);
}
public interface MyEditableParameterizedControllerIfc<T> extends MyParameterizedControllerIfc<T> {
@RequestMapping(method = RequestMethod.POST)
String post(@ModelAttribute("object1") T object);
}
@Controller
public static class MyParameterizedControllerImpl implements MyEditableParameterizedControllerIfc<TestBean> {
public List<TestBean> getTestBeans() {
List<TestBean> list = new LinkedList<TestBean>();
list.add(new TestBean("tb1"));
list.add(new TestBean("tb2"));
return list;
}
public String get(Model model) {
model.addAttribute("object1", new TestBean());
model.addAttribute("object2", new TestBean());
return "page1";
}
public String post(TestBean object) {
//do something with object1
return "page2";
}
}
@Controller
public static class MyParameterizedControllerImplWithOverriddenMappings implements MyEditableParameterizedControllerIfc<TestBean> {
@ModelAttribute("testBeanList")
public List<TestBean> getTestBeans() {
List<TestBean> list = new LinkedList<TestBean>();
list.add(new TestBean("tb1"));
list.add(new TestBean("tb2"));
return list;
}
@RequestMapping(method = RequestMethod.GET)
public String get(Model model) {
model.addAttribute("object1", new TestBean());
model.addAttribute("object2", new TestBean());
return "page1";
}
@RequestMapping(method = RequestMethod.POST)
public String post(@ModelAttribute("object1") TestBean object1) {
//do something with object1
return "page2";
}
}
@Controller
public static class MyFormController {
@@ -2191,15 +2360,15 @@ public class ServletAnnotationControllerTests {
}
}
private static class ModelExposingViewResolver implements ViewResolver {
public static class ModelExposingViewResolver implements ViewResolver {
public View resolveViewName(String viewName, Locale locale) throws Exception {
public View resolveViewName(final String viewName, Locale locale) throws Exception {
return new View() {
public String getContentType() {
return null;
}
public void render(Map<String, ?> model, HttpServletRequest request, HttpServletResponse response) {
request.setAttribute("viewName", viewName);
request.getSession().setAttribute("model", model);
}
};