com.opensymphony.xwork2.interceptor: protected static class: ModelDrivenInterceptor.RefreshModelBeforeResult

com.opensymphony.xwork2.interceptor
protected static class: ModelDrivenInterceptor.RefreshModelBeforeResult [javadoc | source]

java.lang.Object
   com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor$RefreshModelBeforeResult

All Implemented Interfaces:
PreResultListener

Refreshes the model instance on the value stack, if it has changed

Field Summary
protected ModelDriven	action

Constructor:
public RefreshModelBeforeResult(ModelDriven action, Object model) { this.originalModel = model; this.action = action; }

Method from com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor$RefreshModelBeforeResult Summary:
beforeResult

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

Method from com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor$RefreshModelBeforeResult Detail:
public void beforeResult(ActionInvocation invocation, String resultCode) { ValueStack stack = invocation.getStack(); CompoundRoot root = stack.getRoot(); boolean needsRefresh = true; Object newModel = action.getModel(); // Check to see if the new model instance is already on the stack for (Object item : root) { if (item.equals(newModel)) { needsRefresh = false; } } // Add the new model on the stack if (needsRefresh) { // Clear off the old model instance if (originalModel != null) { root.remove(originalModel); } if (newModel != null) { stack.push(newModel); } } }

Method from com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor$RefreshModelBeforeResult Detail:

 public  void beforeResult(ActionInvocation invocation,
    String resultCode) {
            ValueStack stack = invocation.getStack();
            CompoundRoot root = stack.getRoot();
            boolean needsRefresh = true;
            Object newModel = action.getModel();
            // Check to see if the new model instance is already on the stack
            for (Object item : root) {
                if (item.equals(newModel)) {
                    needsRefresh = false;
                }
            }
            // Add the new model on the stack
            if (needsRefresh) {
                // Clear off the old model instance
                if (originalModel != null) {
                    root.remove(originalModel);
                }
                if (newModel != null) {
                    stack.push(newModel);
                }
            }
}