StateManagerWrapper (Java EE 5)

java.lang.Object
  javax.faces.application.StateManager
      javax.faces.application.StateManagerWrapper

提供 StateManager 的简单实现，开发人员可为其创建子类为现有 StateManager 实例提供专门行为。所有方法的默认实现是调用包装的 StateManager。

用法：扩展此类并重写 #getWrapped，以返回正在包装的实例。

since

1.2

英文文档：

Provides a simple implementation of StateManager that can be subclassed by developers wishing to provide specialized behavior to an existing StateManager instance. The default implementation of all methods is to call through to the wrapped StateManager.

Usage: extend this class and override getWrapped() to return the instance we are wrapping.

Since:

1.2

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Nested Class Summary

 

Nested classes/interfaces inherited from class javax.faces.application.StateManager
StateManager.SerializedView

 

Field Summary

 

Fields inherited from class javax.faces.application.StateManager
STATE_SAVING_METHOD_CLIENT, STATE_SAVING_METHOD_PARAM_NAME, STATE_SAVING_METHOD_SERVER

 

Constructor Summary
StateManagerWrapper()

 

Method Summary
protected  Object	getComponentStateToSave(FacesContext context)           The default behavior of this method is to call StateManager.getComponentStateToSave(javax.faces.context.FacesContext) on the wrapped StateManager object.
protected  Object	getTreeStructureToSave(FacesContext context)           The default behavior of this method is to call StateManager.getTreeStructureToSave(javax.faces.context.FacesContext) on the wrapped StateManager object.
protected abstract  StateManager	getWrapped()
boolean	isSavingStateInClient(FacesContext context)           The default behavior of this method is to call StateManager.isSavingStateInClient(javax.faces.context.FacesContext) on the wrapped StateManager object.
protected  void	restoreComponentState(FacesContext context, UIViewRoot viewRoot, String renderKitId)           The default behavior of this method is to call StateManager.restoreComponentState(javax.faces.context.FacesContext, javax.faces.component.UIViewRoot, String) on the wrapped StateManager object.
protected  UIViewRoot	restoreTreeStructure(FacesContext context, String viewId, String renderKitId)           The default behavior of this method is to call StateManager.restoreTreeStructure(javax.faces.context.FacesContext, String, String) on the wrapped StateManager object.
UIViewRoot	restoreView(FacesContext context, String viewId, String renderKitId)           The default behavior of this method is to call StateManager.restoreView(javax.faces.context.FacesContext, String, String) on the wrapped StateManager object.
StateManager.SerializedView	saveSerializedView(FacesContext context)           The default behavior of this method is to call StateManager.saveSerializedView(javax.faces.context.FacesContext) on the wrapped StateManager object.
Object	saveView(FacesContext context)           The default behavior of this method is to call StateManager.saveView(javax.faces.context.FacesContext) on the wrapped StateManager object.
void	writeState(FacesContext context, Object state)           The default behavior of this method is to call StateManager.writeState(javax.faces.context.FacesContext, java.lang.Object) on the wrapped StateManager object.
void	writeState(FacesContext context, StateManager.SerializedView state)           The default behavior of this method is to call StateManager.writeState(javax.faces.context.FacesContext, javax.faces.application.StateManager.SerializedView) on the wrapped StateManager object.

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

public StateManagerWrapper()

英文文档：

StateManagerWrapper

public StateManagerWrapper()

Method Detail

abstract protected StateManager getWrapped()

return

正在包装的实例。

英文文档：

getWrapped

protected abstract StateManager getWrapped()

Returns:

the instance that we are wrapping.

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public StateManager.SerializedView saveSerializedView(FacesContext context)

此方法的默认行为是调用包装的 StateManager 对象上的 saveSerializedView(javax.faces.context.FacesContext)。

since	1.2
See also	saveSerializedView(javax.faces.context.FacesContext)

英文文档：

saveSerializedView

public StateManager.SerializedView saveSerializedView(FacesContext context)

The default behavior of this method is to call StateManager.saveSerializedView(javax.faces.context.FacesContext) on the wrapped StateManager object.

Overrides:

saveSerializedView in class StateManager

Parameters:

context - FacesContext for the current request

Since:

1.2

See Also:

StateManager.saveSerializedView(javax.faces.context.FacesContext)

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public Object saveView(FacesContext context)

此方法的默认行为是调用包装的 StateManager 对象上的 saveView(javax.faces.context.FacesContext)。

since	1.2
See also	saveView(javax.faces.context.FacesContext)

英文文档：

saveView

public Object saveView(FacesContext context)

The default behavior of this method is to call StateManager.saveView(javax.faces.context.FacesContext) on the wrapped StateManager object.

Overrides:

saveView in class StateManager

Parameters:

context - FacesContext for the current request

Since:

1.2

See Also:

StateManager.saveView(javax.faces.context.FacesContext)

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protected Object getTreeStructureToSave(FacesContext context)

此方法的默认行为是调用包装的 StateManager 对象上的 getTreeStructureToSave(javax.faces.context.FacesContext)。

since	1.2
See also	getTreeStructureToSave(javax.faces.context.FacesContext)

英文文档：

getTreeStructureToSave

protected Object getTreeStructureToSave(FacesContext context)

The default behavior of this method is to call StateManager.getTreeStructureToSave(javax.faces.context.FacesContext) on the wrapped StateManager object.

Overrides:

getTreeStructureToSave in class StateManager

Parameters:

context - FacesContext for the current request

Since:

1.2

See Also:

StateManager.getTreeStructureToSave(javax.faces.context.FacesContext)

---

protected Object getComponentStateToSave(FacesContext context)

此方法的默认行为是调用包装的 StateManager 对象上的 getComponentStateToSave(javax.faces.context.FacesContext)。

since	1.2
See also	getComponentStateToSave(javax.faces.context.FacesContext)

英文文档：

getComponentStateToSave

protected Object getComponentStateToSave(FacesContext context)

The default behavior of this method is to call StateManager.getComponentStateToSave(javax.faces.context.FacesContext) on the wrapped StateManager object.

Overrides:

getComponentStateToSave in class StateManager

Parameters:

context - FacesContext for the current request

Since:

1.2

See Also:

StateManager.getComponentStateToSave(javax.faces.context.FacesContext)

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public void writeState(FacesContext context, Object state) throws java.io.IOException

此方法的默认行为是调用包装的 StateManager 对象上的 writeState(javax.faces.context.FacesContext, java.lang.Object)。

since	1.2
See also	writeState(javax.faces.context.FacesContext, java.lang.Object)

英文文档：

writeState

public void writeState(FacesContext context,
                       Object state)
                throws IOException

The default behavior of this method is to call StateManager.writeState(javax.faces.context.FacesContext, java.lang.Object) on the wrapped StateManager object.

Overrides:

writeState in class StateManager

Parameters:

context - FacesContext for the current request

state - the Serializable state to be written, as returned by StateManager.saveSerializedView(javax.faces.context.FacesContext)

Throws:

IOException

Since:

1.2

See Also:

StateManager.writeState(javax.faces.context.FacesContext, java.lang.Object)

---

public void writeState(FacesContext context, StateManager.SerializedView state) throws java.io.IOException

此方法的默认行为是调用包装的 StateManager 对象上的 writeState(javax.faces.context.FacesContext, javax.faces.application.StateManager.SerializedView)。

since	1.2
See also	writeState(javax.faces.context.FacesContext, javax.faces.application.StateManager.SerializedView)

英文文档：

writeState

public void writeState(FacesContext context,
                       StateManager.SerializedView state)
                throws IOException

The default behavior of this method is to call StateManager.writeState(javax.faces.context.FacesContext, javax.faces.application.StateManager.SerializedView) on the wrapped StateManager object.

Overrides:

writeState in class StateManager

Parameters:

context - FacesContext for the current request

state - the serialized state to be written

Throws:

IOException

Since:

1.2

See Also:

StateManager.writeState(javax.faces.context.FacesContext, javax.faces.application.StateManager.SerializedView)

---

public UIViewRoot restoreView(FacesContext context, String viewId, String renderKitId)

此方法的默认行为是调用包装的 StateManager 对象上的 restoreView(javax.faces.context.FacesContext, String, String)。

since	1.2
See also	restoreView(javax.faces.context.FacesContext, String, String)

英文文档：

restoreView

public UIViewRoot restoreView(FacesContext context,
                              String viewId,
                              String renderKitId)

The default behavior of this method is to call StateManager.restoreView(javax.faces.context.FacesContext, String, String) on the wrapped StateManager object.

Specified by:

restoreView in class StateManager

Parameters:

context - FacesContext for the current request

viewId - View identifier of the view to be restored

renderKitId - the renderKitId used to render this response. Must not be null.

Since:

1.2

See Also:

StateManager.restoreView(javax.faces.context.FacesContext, String, String)

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protected UIViewRoot restoreTreeStructure(FacesContext context, String viewId, String renderKitId)

此方法的默认行为是调用包装的 StateManager 对象上的 restoreTreeStructure(javax.faces.context.FacesContext, String, String)。

since	1.2
See also	restoreTreeStructure(javax.faces.context.FacesContext, String, String)

英文文档：

restoreTreeStructure

protected UIViewRoot restoreTreeStructure(FacesContext context,
                                          String viewId,
                                          String renderKitId)

The default behavior of this method is to call StateManager.restoreTreeStructure(javax.faces.context.FacesContext, String, String) on the wrapped StateManager object.

Overrides:

restoreTreeStructure in class StateManager

Parameters:

context - FacesContext for the current request

viewId - View identifier of the view to be restored

renderKitId - the renderKitId used to render this response. Must not be null.

Since:

1.2

See Also:

StateManager.restoreTreeStructure(javax.faces.context.FacesContext, String, String)

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protected void restoreComponentState(FacesContext context, UIViewRoot viewRoot, String renderKitId)

此方法的默认行为是调用包装的 StateManager 对象上的 restoreComponentState(javax.faces.context.FacesContext, javax.faces.component.UIViewRoot, String)}。

since	1.2
See also	restoreComponentState(javax.faces.context.FacesContext, javax.faces.component.UIViewRoot, String)

英文文档：

restoreComponentState

protected void restoreComponentState(FacesContext context,
                                     UIViewRoot viewRoot,
                                     String renderKitId)

The default behavior of this method is to call StateManager.restoreComponentState(javax.faces.context.FacesContext, javax.faces.component.UIViewRoot, String) on the wrapped StateManager object.

Overrides:

restoreComponentState in class StateManager

Parameters:

context - FacesContext for the current request

viewRoot - UIViewRoot returned by a previous call to restoreTreeStructure()

renderKitId - the renderKitId used to render this response. Must not be null.

Since:

1.2

See Also:

StateManager.restoreComponentState(javax.faces.context.FacesContext, javax.faces.component.UIViewRoot, String)

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public boolean isSavingStateInClient(FacesContext context)

此方法的默认行为是调用包装的 StateManager 对象上的 isSavingStateInClient(javax.faces.context.FacesContext)。

since	1.2
See also	isSavingStateInClient(javax.faces.context.FacesContext)

英文文档：

isSavingStateInClient

public boolean isSavingStateInClient(FacesContext context)

The default behavior of this method is to call StateManager.isSavingStateInClient(javax.faces.context.FacesContext) on the wrapped StateManager object.

Overrides:

isSavingStateInClient in class StateManager

Returns:

true if and only if the value of the ServletContext init parameter named by the value of the constant StateManager.STATE_SAVING_METHOD_PARAM_NAME is equal to the value of the constant StateManager.STATE_SAVING_METHOD_CLIENT. false otherwise.

Since:

1.2

See Also:

StateManager.isSavingStateInClient(javax.faces.context.FacesContext)

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