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java.lang.Object org.springframework.web.servlet.ModelAndView
Holder for both Model and View in the web MVC framework. Note that these are entirely distinct. This class merely holds both to make it possible for a controller to return both model and view in a single return value.
Class to represent a model and view returned by a handler used by a DispatcherServlet. The view can take the form of a reference to a View object, or a String view name which will need to be resolved by a ViewResolver object. The model is a Map, allowing the use of multiple data objects keyed by name.
DispatcherServlet
,
ViewResolver
,
HandlerAdapter.handle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, java.lang.Object)
,
Controller.handleRequest(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
Constructor Summary | |
ModelAndView(java.lang.String viewName)
Convenient constructor when there is no model data to expose. |
|
ModelAndView(java.lang.String viewName,
java.util.Map model)
Creates new ModelAndView given a view name and a model. |
|
ModelAndView(java.lang.String viewName,
java.lang.String modelName,
java.lang.Object modelObject)
Convenient constructor to take a single model object. |
|
ModelAndView(View view)
Convenient constructor when there is no model data to expose. |
|
ModelAndView(View view,
java.util.Map model)
Creates new ModelAndView given a View object and a model. |
|
ModelAndView(View view,
java.lang.String modelName,
java.lang.Object modelObject)
Convenient constructor to take a single model object. |
Method Summary | |
ModelAndView |
addObject(java.lang.String modelName,
java.lang.Object modelObject)
Add an object to the model. |
java.util.Map |
getModel()
Return the model map. |
View |
getView()
Return the View object, or null if we are using a view name to be resolved by the DispatcherServlet via a ViewResolver. |
java.lang.String |
getViewName()
Return the view name to be resolved by the DispatcherServlet via a ViewResolver, or null if we are using a View object. |
boolean |
isReference()
Return whether we use a view reference, i.e. |
void |
setView(View view)
Set a View object for this ModelAndView. |
void |
setViewName(java.lang.String viewName)
Set a view name for this ModelAndView, to be resolved by the DispatcherServlet via a ViewResolver. |
java.lang.String |
toString()
Return diagnostic information about this model and view. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public ModelAndView(View view)
view
- View object to renderpublic ModelAndView(java.lang.String viewName)
viewName
- name of the View to render, to be resolved
by the DispatcherServletpublic ModelAndView(View view, java.util.Map model)
view
- View object to rendermodel
- Map of model names (Strings) to model objects
(Objects). Model entries may not be null, but the model Map
may be null if there is no model data.public ModelAndView(java.lang.String viewName, java.util.Map model)
viewName
- name of the View to render, to be resolved
by the DispatcherServletmodel
- Map of model names (Strings) to model objects
(Objects). Model entries may not be null, but the model Map
may be null if there is no model data.public ModelAndView(View view, java.lang.String modelName, java.lang.Object modelObject)
view
- View object to rendermodelName
- name of the single entry in the modelmodelObject
- the single model objectpublic ModelAndView(java.lang.String viewName, java.lang.String modelName, java.lang.Object modelObject)
viewName
- name of the View to render, to be resolved
by the DispatcherServletmodelName
- name of the single entry in the modelmodelObject
- the single model objectMethod Detail |
public ModelAndView addObject(java.lang.String modelName, java.lang.Object modelObject)
modelName
- name of the object to add to the modelmodelObject
- object to add to the model. May not be null.
public void setView(View view)
public View getView()
public void setViewName(java.lang.String viewName)
public java.lang.String getViewName()
public boolean isReference()
public java.util.Map getModel()
public java.lang.String toString()
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