@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	XsltView view = (XsltView) super.buildView(viewName);
	if (this.sourceKey != null) {
		view.setSourceKey(this.sourceKey);
	}
	if (this.uriResolver != null) {
		view.setUriResolver(this.uriResolver);
	}
	if (this.errorListener != null) {
		view.setErrorListener(this.errorListener);
	}
	view.setIndent(this.indent);
	if (this.outputProperties != null) {
		view.setOutputProperties(this.outputProperties);
	}
	view.setCacheTemplates(this.cacheTemplates);
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	XsltView view = (XsltView) super.buildView(viewName);
	if (this.sourceKey != null) {
		view.setSourceKey(this.sourceKey);
	}
	if (this.uriResolver != null) {
		view.setUriResolver(this.uriResolver);
	}
	if (this.errorListener != null) {
		view.setErrorListener(this.errorListener);
	}
	view.setIndent(this.indent);
	if (this.outputProperties != null) {
		view.setOutputProperties(this.outputProperties);
	}
	view.setCacheTemplates(this.cacheTemplates);
	return view;
}
 

@RequestMapping(value = "/editStudentGroupAttends/{studentGroup}", method = RequestMethod.POST)
public AbstractUrlBasedView editStudentGroupAttends(Model model, @PathVariable Grouping grouping,
        @ModelAttribute("attends") @Validated AttendsBean attendsBean, @PathVariable StudentGroup studentGroup,
        BindingResult bindingResult) {

    Map<String, Boolean> studentsToRemove = attendsBean.getRemoveStudent();
    Map<String, Boolean> studentsToAdd = attendsBean.getAddStudent();
    if (bindingResult.hasErrors()) {
        model.addAttribute("removeStudent", studentsToRemove);
        model.addAttribute("addStudent", studentsToAdd);
        model.addAttribute("errors", "binding error " + bindingResult.getAllErrors());
        return viewStudentGroup(model, grouping, studentGroup);
    }

    studentGroupService.updateStudentGroupMembers(studentGroup, studentsToRemove, studentsToAdd);
    return new RedirectView("/teacher/" + executionCourse.getExternalId() + "/student-groups/" + grouping.getExternalId()
            + "/viewStudentGroup/" + studentGroup.getExternalId(), true);
}
 

/**
 * When the prefix did not set, then viewResolver throws the NullPointerException.
 */
@Test(expected = MustacheException.class)
public void resolvesViewWithoutPrefix() throws Exception {
    //given
    final String viewName = "top-level.mustache";

    //when
    when(engine.getMustache(viewName)).thenReturn(mustache);

    TrimouViewResolver sut = new TrimouViewResolver();
    sut.setServletContext(servletContext);
    sut.afterPropertiesSet();
    sut.setEngine(engine);

    //then
    AbstractUrlBasedView view = sut.buildView(viewName);
    assertThat(view, is(notNullValue()));
}
 

/**
 * When not valid prefix did set, then viewResolver throws the MustacheException.
 */
@Test(expected = MustacheException.class)
public void resolvesViewWithNotValidPrefix() throws Exception {
    //given
    final String viewPath = "WEB-INF/views/";
    final String viewName = "top-level.mustache";

    //when
    when(engine.getMustache(viewName)).thenReturn(mustache);

    TrimouViewResolver sut = new TrimouViewResolver();
    sut.setServletContext(servletContext);
    sut.setPrefix(viewPath);
    sut.afterPropertiesSet();
    sut.setEngine(engine);

    //then
    AbstractUrlBasedView view = sut.buildView(viewName);
    assertThat(view, is(notNullValue()));
}
 

/**
 * Ensure the prefix is passed on to the template loader
 * and that the template loader is called with a fully
 * resolved view path.
 */
@Test
public void resolvesViewWithPrefix() throws Exception {
    //given
    final String viewPath = "/WEB-INF/views/";
    final String viewName = "hello.mustache";

    //when
    when(engine.getMustache(viewPath + viewName)).thenReturn(mustache);

    TrimouViewResolver sut = new TrimouViewResolver();
    sut.setServletContext(servletContext);
    sut.setPrefix(viewPath);
    sut.afterPropertiesSet();
    sut.setEngine(engine);

    //then
    AbstractUrlBasedView view = sut.buildView(viewName);
    assertThat(view, is(notNullValue()));
}
 

/**
 * 实例化GroupTemplate
 *
 * @param viewName
 * @return
 * @throws Exception
 */
@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception
{

	BeetlSpringView beetlView = (BeetlSpringView) super.buildView(viewName);
	beetlView.setGroupTemplate(groupTemplate);
	String suffix = getSuffix();
	//如果配置有后缀，需要重新设定视图
	if(suffix!=null&&suffix.length()!=0){
		if (viewName.contains("#")) {
			String[] split = viewName.split("#");
			if (split.length > 2) {
			throw new Exception("视图名称有误：" + viewName);
			}
			beetlView.setUrl(getPrefix() + split[0] + getSuffix() + "#" + split[1]);
		}
	}
	return beetlView;
	
}
 

protected AbstractUrlBasedView buildView(String viewName) throws Exception { 
	TemplateView view = (TemplateView) BeanUtils.instantiateClass(getViewClass()); 
	if (!viewName.contains(getPrefix())  
			&& !viewName.startsWith("/")) { 
		viewName = getPrefix() + viewName; 
	} 
	if (!viewName.endsWith(getSuffix())) { 
		viewName = viewName + getSuffix(); 
	} 
	view.setUrl(viewName); 
	String contentType = getContentType(); 
	if (contentType != null) 
		view.setContentType(contentType); 

	view.setRequestContextAttribute(getRequestContextAttribute()); 
	view.setAttributesMap(getAttributesMap()); 
	if (this.alwaysInclude != null) 
		view.setAlwaysInclude(this.alwaysInclude.booleanValue()); 

	if (this.exposeContextBeansAsAttributes != null) 
		view.setExposeContextBeansAsAttributes(this.exposeContextBeansAsAttributes.booleanValue()); 

	if (this.exposedContextBeanNames != null) 
		view.setExposedContextBeanNames(this.exposedContextBeanNames); 

	view.setPreventDispatchLoop(true); 
	return view; 
}
 

/**
 * Uses the viewName and the theme associated with the service.
 * being requested and returns the appropriate view.
 * @param viewName the name of the view to be resolved
 * @return a theme-based UrlBasedView
 * @throws Exception an exception
 */
@Override
protected AbstractUrlBasedView buildView(final String viewName) throws Exception {
    final RequestContext requestContext = RequestContextHolder.getRequestContext();
    final WebApplicationService service = WebUtils.getService(requestContext);
    final RegisteredService registeredService = this.servicesManager.findServiceBy(service);

    final String themeId = service != null && registeredService != null
            && registeredService.getAccessStrategy().isServiceAccessAllowed()
            && StringUtils.hasText(registeredService.getTheme()) ? registeredService.getTheme() : defaultThemeId;

    final String themePrefix = String.format("%s/%s/ui/", pathPrefix, themeId);
    LOGGER.debug("Prefix {} set for service {} with theme {}", themePrefix, service, themeId);

    //Build up the view like the base classes do, but we need to forcefully set the prefix for each request.
    //From UrlBasedViewResolver.buildView
    final InternalResourceView view = (InternalResourceView) BeanUtils.instantiateClass(getViewClass());
    view.setUrl(themePrefix + viewName + getSuffix());
    final String contentType = getContentType();
    if (contentType != null) {
        view.setContentType(contentType);
    }
    view.setRequestContextAttribute(getRequestContextAttribute());
    view.setAttributesMap(getAttributesMap());

    //From InternalResourceViewResolver.buildView
    view.setAlwaysInclude(false);
    view.setExposeContextBeansAsAttributes(false);
    view.setPreventDispatchLoop(true);

    LOGGER.debug("View resolved: {}", view.getUrl());

    return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	XsltView view = (XsltView) super.buildView(viewName);
	view.setSourceKey(this.sourceKey);
	if (this.uriResolver != null) {
		view.setUriResolver(this.uriResolver);
	}
	if (this.errorListener != null) {
		view.setErrorListener(this.errorListener);
	}
	view.setIndent(this.indent);
	view.setOutputProperties(this.outputProperties);
	view.setCacheTemplates(this.cacheTemplates);
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	AbstractJasperReportsView view = (AbstractJasperReportsView) super.buildView(viewName);
	view.setReportDataKey(this.reportDataKey);
	view.setSubReportUrls(this.subReportUrls);
	view.setSubReportDataKeys(this.subReportDataKeys);
	view.setHeaders(this.headers);
	view.setExporterParameters(this.exporterParameters);
	view.setJdbcDataSource(this.jdbcDataSource);
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	TilesView view = (TilesView) super.buildView(viewName);
	if (this.alwaysInclude != null) {
		view.setAlwaysInclude(this.alwaysInclude);
	}
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	VelocityLayoutView view = (VelocityLayoutView) super.buildView(viewName);
	// Use not-null checks to preserve VelocityLayoutView's defaults.
	if (this.layoutUrl != null) {
		view.setLayoutUrl(this.layoutUrl);
	}
	if (this.layoutKey != null) {
		view.setLayoutKey(this.layoutKey);
	}
	if (this.screenContentKey != null) {
		view.setScreenContentKey(this.screenContentKey);
	}
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	VelocityView view = (VelocityView) super.buildView(viewName);
	view.setDateToolAttribute(this.dateToolAttribute);
	view.setNumberToolAttribute(this.numberToolAttribute);
	if (this.toolboxConfigLocation != null) {
		((VelocityToolboxView) view).setToolboxConfigLocation(this.toolboxConfigLocation);
	}
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	VelocityLayoutView view = (VelocityLayoutView) super.buildView(viewName);
	// Use not-null checks to preserve VelocityLayoutView's defaults.
	if (this.layoutUrl != null) {
		view.setLayoutUrl(this.layoutUrl);
	}
	if (this.layoutKey != null) {
		view.setLayoutKey(this.layoutKey);
	}
	if (this.screenContentKey != null) {
		view.setScreenContentKey(this.screenContentKey);
	}
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	XsltView view = (XsltView) super.buildView(viewName);
	view.setSourceKey(this.sourceKey);
	if (this.uriResolver != null) {
		view.setUriResolver(this.uriResolver);
	}
	if (this.errorListener != null) {
		view.setErrorListener(this.errorListener);
	}
	view.setIndent(this.indent);
	view.setOutputProperties(this.outputProperties);
	view.setCacheTemplates(this.cacheTemplates);
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	AbstractJasperReportsView view = (AbstractJasperReportsView) super.buildView(viewName);
	view.setReportDataKey(this.reportDataKey);
	view.setSubReportUrls(this.subReportUrls);
	view.setSubReportDataKeys(this.subReportDataKeys);
	view.setHeaders(this.headers);
	view.setExporterParameters(this.exporterParameters);
	view.setJdbcDataSource(this.jdbcDataSource);
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	VelocityLayoutView view = (VelocityLayoutView) super.buildView(viewName);
	// Use not-null checks to preserve VelocityLayoutView's defaults.
	if (this.layoutUrl != null) {
		view.setLayoutUrl(this.layoutUrl);
	}
	if (this.layoutKey != null) {
		view.setLayoutKey(this.layoutKey);
	}
	if (this.screenContentKey != null) {
		view.setScreenContentKey(this.screenContentKey);
	}
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	VelocityView view = (VelocityView) super.buildView(viewName);
	view.setDateToolAttribute(this.dateToolAttribute);
	view.setNumberToolAttribute(this.numberToolAttribute);
	if (this.toolboxConfigLocation != null) {
		((VelocityToolboxView) view).setToolboxConfigLocation(this.toolboxConfigLocation);
	}
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	TilesView view = (TilesView) super.buildView(viewName);
	if (this.alwaysInclude != null) {
		view.setAlwaysInclude(this.alwaysInclude);
	}
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	if (viewName.isEmpty() || viewName.endsWith("/")) {
		viewName += "index";
	}
	return super.buildView(viewName);
}
 

@RequestMapping(value = "/shift/{shift}/createStudentGroup", method = RequestMethod.POST)
public AbstractUrlBasedView createStudentGroup(Model model, @PathVariable Grouping grouping, @PathVariable Shift shift,
        @ModelAttribute("addStudent") @Validated AttendsBean addStudents, BindingResult bindingResult) {
    if (bindingResult.hasErrors()) {
        return new RedirectView("/teacher/" + executionCourse.getExternalId() + "/student-groups/view/"
                + grouping.getExternalId(), true);
    }

    StudentGroup studentgroup = studentGroupService.createStudentGroup(grouping, shift);
    return new RedirectView("/teacher/" + executionCourse.getExternalId() + "/student-groups/" + grouping.getExternalId()
            + "/viewStudentGroup/" + studentgroup.getExternalId(), true);
}
 

@RequestMapping(value = "/editStudentGroupShift/{studentGroup}", method = RequestMethod.POST)
public AbstractUrlBasedView editStudentGroupShift(@PathVariable Grouping grouping, @PathVariable StudentGroup studentGroup,
        @ModelAttribute("newShift") @Validated Shift newShift, BindingResult bindingResult) {
    studentGroupService.updateStudentGroupShift(studentGroup, newShift);
    return new RedirectView("/teacher/" + executionCourse.getExternalId() + "/student-groups/" + grouping.getExternalId()
            + "/viewStudentGroup/" + studentGroup.getExternalId(), true);

}
 

@RequestMapping(value = "/deleteStudentGroup/{studentGroup}", method = RequestMethod.POST)
public AbstractUrlBasedView deleteStudentGroup(Model model, @PathVariable Grouping grouping,
        @PathVariable StudentGroup studentGroup) {
    if (!studentGroup.getAttendsSet().isEmpty()) {
        model.addAttribute("errors", "errors.invalid.delete.not.empty.studentGroup");
        return viewStudentGroup(model, grouping, studentGroup);
    }
    studentGroupService.deleteStudentGroup(studentGroup);
    return new RedirectView("/teacher/" + executionCourse.getExternalId() + "/student-groups/view/"
            + grouping.getExternalId(), true);
}
 

/**
 * if viewName start with / , then ignore prefix.
 */
@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	AbstractUrlBasedView view = super.buildView(viewName);
	// start with / ignore prefix
	if (viewName.startsWith("/")) {
		view.setUrl(viewName + getSuffix());
	}
	return view;
}
 

/**
 * if viewName start with / , then ignore prefix.
 */
@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	AbstractUrlBasedView view = super.buildView(viewName);
	// start with / ignore prefix
	if (viewName.startsWith("/")) {
		view.setUrl(viewName + getSuffix());
	}
	return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
    CrafterFreeMarkerView view = (CrafterFreeMarkerView) super.buildView(viewName);
    view.setSiteItemService(siteItemService);
    view.setComponentTemplateXPathQuery(componentTemplateXPathQuery);
    view.setComponentTemplateNamePrefix(getPrefix());
    view.setComponentTemplateNameSuffix(getSuffix());
    view.setComponentIncludeElementName(componentIncludeElementName);
    view.setComponentEmbeddedElementName(componentEmbeddedElementName);
    view.setComponentScriptResolver(componentScriptResolver);

    return view;
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
    TrimouView view = (TrimouView) super.buildView(viewName);
    try {
        view.setViewName(viewName);
        view.setEngine(engine);
        return view;
    } catch (Exception e) {
        throw new MustacheException(view.getUrl() + " : " + e.getMessage());
    }
}
 

protected View loadView(String viewName, Locale locale) throws Exception { 
	AbstractUrlBasedView view = buildView(viewName); 
	return ((View) getApplicationContext().getAutowireCapableBeanFactory().initializeBean(view, viewName)); 
}
 

@Override
protected AbstractUrlBasedView buildView(String viewName) throws Exception {
	VelocityView view = (VelocityView) super.buildView(viewName);
	return view;
}