private View getBestView(List<View> candidateViews, List<MediaType> requestedMediaTypes) {
for (View candidateView : candidateViews) {
if (candidateView instanceof SmartView) {
SmartView smartView = (SmartView) candidateView;
if (smartView.isRedirectView()) {
if (logger.isDebugEnabled()) {
logger.debug("Returning redirect view [" + candidateView + "]");
}
return candidateView;
}
}
}
for (MediaType mediaType : requestedMediaTypes) {
for (View candidateView : candidateViews) {
if (StringUtils.hasText(candidateView.getContentType())) {
MediaType candidateContentType = MediaType.parseMediaType(candidateView.getContentType());
if (mediaType.includes(candidateContentType)) {
if (logger.isDebugEnabled()) {
logger.debug(
"Returning ["
+ candidateView
+ "] based on requested media type '"
+ mediaType
+ "'");
}
return candidateView;
}
}
}
}
return null;
}
@Test
public void resolveViewNameAcceptHeaderDefaultView() throws Exception {
request.addHeader("Accept", "application/json");
ViewResolver viewResolverMock1 = createMock(ViewResolver.class);
ViewResolver viewResolverMock2 = createMock(ViewResolver.class);
viewResolver.setViewResolvers(Arrays.asList(viewResolverMock1, viewResolverMock2));
View viewMock1 = createMock("application_xml", View.class);
View viewMock2 = createMock("text_html", View.class);
View viewMock3 = createMock("application_json", View.class);
List<View> defaultViews = new ArrayList<View>();
defaultViews.add(viewMock3);
viewResolver.setDefaultViews(defaultViews);
String viewName = "view";
Locale locale = Locale.ENGLISH;
expect(viewResolverMock1.resolveViewName(viewName, locale)).andReturn(viewMock1);
expect(viewResolverMock2.resolveViewName(viewName, locale)).andReturn(viewMock2);
expect(viewMock1.getContentType()).andReturn("application/xml").anyTimes();
expect(viewMock2.getContentType()).andReturn("text/html;charset=ISO-8859-1").anyTimes();
expect(viewMock3.getContentType()).andReturn("application/json").anyTimes();
replay(viewResolverMock1, viewResolverMock2, viewMock1, viewMock2, viewMock3);
View result = viewResolver.resolveViewName(viewName, locale);
assertSame("Invalid view", viewMock3, result);
verify(viewResolverMock1, viewResolverMock2, viewMock1, viewMock2, viewMock3);
}
@Test
public void resolveViewNameFilename() throws Exception {
request.setRequestURI("/test.html");
ViewResolver viewResolverMock1 = createMock("viewResolver1", ViewResolver.class);
ViewResolver viewResolverMock2 = createMock("viewResolver2", ViewResolver.class);
viewResolver.setViewResolvers(Arrays.asList(viewResolverMock1, viewResolverMock2));
View viewMock1 = createMock("application_xml", View.class);
View viewMock2 = createMock("text_html", View.class);
String viewName = "view";
Locale locale = Locale.ENGLISH;
expect(viewResolverMock1.resolveViewName(viewName, locale)).andReturn(viewMock1);
expect(viewResolverMock1.resolveViewName(viewName + ".html", locale)).andReturn(null);
expect(viewResolverMock2.resolveViewName(viewName, locale)).andReturn(null);
expect(viewResolverMock2.resolveViewName(viewName + ".html", locale)).andReturn(viewMock2);
expect(viewMock1.getContentType()).andReturn("application/xml").anyTimes();
expect(viewMock2.getContentType()).andReturn("text/html;charset=ISO-8859-1").anyTimes();
replay(viewResolverMock1, viewResolverMock2, viewMock1, viewMock2);
View result = viewResolver.resolveViewName(viewName, locale);
assertSame("Invalid view", viewMock2, result);
verify(viewResolverMock1, viewResolverMock2, viewMock1, viewMock2);
}
@Test
public void resolveViewNameAcceptHeaderSortByQuality() throws Exception {
request.addHeader("Accept", "text/plain;q=0.5, application/json");
ViewResolver htmlViewResolver = createMock(ViewResolver.class);
ViewResolver jsonViewResolver = createMock(ViewResolver.class);
viewResolver.setViewResolvers(Arrays.asList(htmlViewResolver, jsonViewResolver));
View htmlView = createMock("text_html", View.class);
View jsonViewMock = createMock("application_json", View.class);
String viewName = "view";
Locale locale = Locale.ENGLISH;
expect(htmlViewResolver.resolveViewName(viewName, locale)).andReturn(htmlView);
expect(jsonViewResolver.resolveViewName(viewName, locale)).andReturn(jsonViewMock);
expect(htmlView.getContentType()).andReturn("text/html").anyTimes();
expect(jsonViewMock.getContentType()).andReturn("application/json").anyTimes();
replay(htmlViewResolver, jsonViewResolver, htmlView, jsonViewMock);
viewResolver.setFavorPathExtension(false);
View result = viewResolver.resolveViewName(viewName, locale);
assertSame("Invalid view", jsonViewMock, result);
verify(htmlViewResolver, jsonViewResolver, htmlView, jsonViewMock);
}
@Test
public void resolveViewNameWithDefaultContentType() throws Exception {
request.addHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
viewResolver.setIgnoreAcceptHeader(true);
viewResolver.setDefaultContentType(new MediaType("application", "xml"));
ViewResolver viewResolverMock1 = createMock("viewResolver1", ViewResolver.class);
ViewResolver viewResolverMock2 = createMock("viewResolver2", ViewResolver.class);
viewResolver.setViewResolvers(Arrays.asList(viewResolverMock1, viewResolverMock2));
View viewMock1 = createMock("application_xml", View.class);
View viewMock2 = createMock("text_html", View.class);
String viewName = "view";
Locale locale = Locale.ENGLISH;
expect(viewResolverMock1.resolveViewName(viewName, locale)).andReturn(viewMock1);
expect(viewResolverMock2.resolveViewName(viewName, locale)).andReturn(viewMock2);
expect(viewMock1.getContentType()).andReturn("application/xml").anyTimes();
expect(viewMock2.getContentType()).andReturn("text/html;charset=ISO-8859-1").anyTimes();
replay(viewResolverMock1, viewResolverMock2, viewMock1, viewMock2);
View result = viewResolver.resolveViewName(viewName, locale);
assertSame("Invalid view", viewMock1, result);
verify(viewResolverMock1, viewResolverMock2, viewMock1, viewMock2);
}
@Test
public void resolveViewNoMatchUseUnacceptableStatus() throws Exception {
viewResolver.setUseNotAcceptableStatusCode(true);
request.addHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9");
ViewResolver viewResolverMock = createMock(ViewResolver.class);
viewResolver.setViewResolvers(Collections.singletonList(viewResolverMock));
View viewMock = createMock("application_xml", View.class);
String viewName = "view";
Locale locale = Locale.ENGLISH;
expect(viewResolverMock.resolveViewName(viewName, locale)).andReturn(viewMock);
expect(viewMock.getContentType()).andReturn("application/pdf").anyTimes();
replay(viewResolverMock, viewMock);
View result = viewResolver.resolveViewName(viewName, locale);
assertNotNull("Invalid view", result);
MockHttpServletResponse response = new MockHttpServletResponse();
result.render(null, request, response);
assertEquals("Invalid status code set", 406, response.getStatus());
verify(viewResolverMock, viewMock);
}
@Test
public void resolveViewNameRedirectView() throws Exception {
request.addHeader("Accept", "application/json");
request.setRequestURI("/test");
StaticWebApplicationContext webAppContext = new StaticWebApplicationContext();
webAppContext.setServletContext(new MockServletContext());
webAppContext.refresh();
UrlBasedViewResolver urlViewResolver = new InternalResourceViewResolver();
urlViewResolver.setApplicationContext(webAppContext);
ViewResolver xmlViewResolver = createMock(ViewResolver.class);
viewResolver.setViewResolvers(Arrays.<ViewResolver>asList(xmlViewResolver, urlViewResolver));
View xmlView = createMock("application_xml", View.class);
View jsonView = createMock("application_json", View.class);
viewResolver.setDefaultViews(Arrays.asList(jsonView));
String viewName = "redirect:anotherTest";
Locale locale = Locale.ENGLISH;
expect(xmlViewResolver.resolveViewName(viewName, locale)).andReturn(xmlView);
expect(jsonView.getContentType()).andReturn("application/json").anyTimes();
replay(xmlViewResolver, xmlView, jsonView);
View actualView = viewResolver.resolveViewName(viewName, locale);
assertEquals("Invalid view", RedirectView.class, actualView.getClass());
verify(xmlViewResolver, xmlView, jsonView);
}
@Test
public void resolveViewNameWithRequestParameter() throws Exception {
request.addParameter("format", "xls");
viewResolver.setFavorParameter(true);
viewResolver.setMediaTypes(Collections.singletonMap("xls", "application/vnd.ms-excel"));
ViewResolver viewResolverMock = createMock(ViewResolver.class);
viewResolver.setViewResolvers(Collections.singletonList(viewResolverMock));
View viewMock = createMock("application_xls", View.class);
String viewName = "view";
Locale locale = Locale.ENGLISH;
expect(viewResolverMock.resolveViewName(viewName, locale)).andReturn(null);
expect(viewResolverMock.resolveViewName(viewName + ".xls", locale)).andReturn(viewMock);
expect(viewMock.getContentType()).andReturn("application/vnd.ms-excel").anyTimes();
replay(viewResolverMock, viewMock);
View result = viewResolver.resolveViewName(viewName, locale);
assertSame("Invalid view", viewMock, result);
verify(viewResolverMock, viewMock);
}
@Test
public void resolveViewNameFilenameDefaultView() throws Exception {
request.setRequestURI("/test.json");
Map<String, String> mediaTypes = new HashMap<String, String>();
mediaTypes.put("json", "application/json");
viewResolver.setMediaTypes(mediaTypes);
ViewResolver viewResolverMock1 = createMock(ViewResolver.class);
ViewResolver viewResolverMock2 = createMock(ViewResolver.class);
viewResolver.setViewResolvers(Arrays.asList(viewResolverMock1, viewResolverMock2));
View viewMock1 = createMock("application_xml", View.class);
View viewMock2 = createMock("text_html", View.class);
View viewMock3 = createMock("application_json", View.class);
List<View> defaultViews = new ArrayList<View>();
defaultViews.add(viewMock3);
viewResolver.setDefaultViews(defaultViews);
String viewName = "view";
Locale locale = Locale.ENGLISH;
expect(viewResolverMock1.resolveViewName(viewName, locale)).andReturn(viewMock1);
expect(viewResolverMock1.resolveViewName(viewName + ".json", locale)).andReturn(null);
expect(viewResolverMock2.resolveViewName(viewName, locale)).andReturn(viewMock2);
expect(viewResolverMock2.resolveViewName(viewName + ".json", locale)).andReturn(null);
expect(viewMock1.getContentType()).andReturn("application/xml").anyTimes();
expect(viewMock2.getContentType()).andReturn("text/html;charset=ISO-8859-1").anyTimes();
expect(viewMock3.getContentType()).andReturn("application/json").anyTimes();
replay(viewResolverMock1, viewResolverMock2, viewMock1, viewMock2, viewMock3);
View result = viewResolver.resolveViewName(viewName, locale);
assertSame("Invalid view", viewMock3, result);
verify(viewResolverMock1, viewResolverMock2, viewMock1, viewMock2, viewMock3);
}
@Test
public void resolveViewNoMatch() throws Exception {
request.addHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9");
ViewResolver viewResolverMock = createMock(ViewResolver.class);
viewResolver.setViewResolvers(Collections.singletonList(viewResolverMock));
View viewMock = createMock("application_xml", View.class);
String viewName = "view";
Locale locale = Locale.ENGLISH;
expect(viewResolverMock.resolveViewName(viewName, locale)).andReturn(viewMock);
expect(viewMock.getContentType()).andReturn("application/pdf").anyTimes();
replay(viewResolverMock, viewMock);
View result = viewResolver.resolveViewName(viewName, locale);
assertNull("Invalid view", result);
verify(viewResolverMock, viewMock);
}
@Test
public void resolveViewNameWithPathExtension() throws Exception {
request.setRequestURI("/test.xls");
ViewResolver viewResolverMock = createMock(ViewResolver.class);
viewResolver.setViewResolvers(Collections.singletonList(viewResolverMock));
View viewMock = createMock("application_xls", View.class);
String viewName = "view";
Locale locale = Locale.ENGLISH;
expect(viewResolverMock.resolveViewName(viewName, locale)).andReturn(null);
expect(viewResolverMock.resolveViewName(viewName + ".xls", locale)).andReturn(viewMock);
expect(viewMock.getContentType()).andReturn("application/vnd.ms-excel").anyTimes();
replay(viewResolverMock, viewMock);
View result = viewResolver.resolveViewName(viewName, locale);
assertSame("Invalid view", viewMock, result);
verify(viewResolverMock, viewMock);
}
protected void doRender(Map<String, ?> model) throws Exception {
RequestContext context = getRequestContext();
ExternalContext externalContext = context.getExternalContext();
View view = getView();
PortletContext portletContext = (PortletContext) externalContext.getNativeContext();
PortletRequest request = (PortletRequest) externalContext.getNativeRequest();
MimeResponse response = (MimeResponse) externalContext.getNativeResponse();
if (response.getContentType() == null) {
// No Portlet content type specified yet -> use the view-determined type.
// (The Portlet spec requires the content type to be set on the RenderResponse)
String contentType = view.getContentType();
if (contentType != null) {
response.setContentType(contentType);
}
}
request.setAttribute(ViewRendererServlet.VIEW_ATTRIBUTE, view);
request.setAttribute(ViewRendererServlet.MODEL_ATTRIBUTE, model);
request.setAttribute(
org.springframework.web.servlet.support.RequestContext.WEB_APPLICATION_CONTEXT_ATTRIBUTE,
context.getActiveFlow().getApplicationContext());
portletContext
.getRequestDispatcher(DispatcherPortlet.DEFAULT_VIEW_RENDERER_URL)
.include(request, response);
}