/*
* Copyright 2004-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.webflow.engine;
import java.io.Serializable;
import org.springframework.webflow.execution.Event;
import org.springframework.webflow.execution.RequestContext;
import org.springframework.webflow.execution.View;
import org.springframework.webflow.execution.ViewFactory;
public class StubViewFactory implements ViewFactory {
public static Serializable USER_EVENT_STATE = new Serializable() {
};
public View getView(RequestContext context) {
return new NullView(context);
}
private static class NullView implements View {
private RequestContext context;
public NullView(RequestContext context) {
this.context = context;
}
public void render() {
context.getFlowScope().put("renderCalled", true);
}
public boolean userEventQueued() {
return hasFlowEvent();
}
public void processUserEvent() {
}
public Serializable getUserEventState() {
return USER_EVENT_STATE;
}
public boolean hasFlowEvent() {
return context.getExternalContext().getRequestParameterMap().contains("_eventId");
}
public Event getFlowEvent() {
return new Event(this, context.getExternalContext().getRequestParameterMap().get("_eventId"));
}
public void saveState() {
context.getFlowScope().put("saveStateCalled", true);
}
}
}