/*
* Copyright 2005-2006 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.strecks.action.navigable;
import java.lang.reflect.Method;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts.Globals;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.strecks.action.NavigableSubmitAction;
import org.strecks.action.basic.BasicLookupDispatchController;
import org.strecks.context.ActionContext;
import org.strecks.controller.NavigableControllerAction;
import org.strecks.controller.annotation.ActionInterface;
import org.strecks.dispatch.annotation.ReadDispatchLookups;
import org.strecks.form.controller.BindingForm;
import org.strecks.navigate.NavigateUtils;
import org.strecks.navigate.NavigationHolder;
import org.strecks.navigate.annotation.ReadNavigation;
import org.strecks.util.ReflectHelper;
import org.strecks.view.ViewAdapter;
/**
* Form-submit action controller which mimics the behaviour of <code>LookupDispatchAction</code>. Internally,
* actually uses an instance of <code>LookupDispatchAction</code> to do the complex stuff of finding the method name
* to execute for a possibly locale variant key. Action beans which use this controller must implement the
* <code>NavigableSubmitAction</code> interface
* @see org.strecks.action.NavigableSubmitAction
* @author Phil Zoio
*/
@ActionInterface(name = NavigableSubmitAction.class)
@ReadDispatchLookups
@ReadNavigation
public class NavigableLookupDispatchController extends BasicLookupDispatchController
implements
NavigableControllerAction
{
private NavigationHolder navigationHolder;
/* *********************** NavigableControllerAction methods ************************ */
public NavigableLookupDispatchController()
{
super();
}
public void setNavigationHolder(NavigationHolder holder)
{
this.navigationHolder = holder;
}
public NavigationHolder getNavigationHolder()
{
return navigationHolder;
}
@Override
protected ViewAdapter executeAction(Object actionBean, ActionContext context)
{
NavigableSubmitAction action = (NavigableSubmitAction) actionBean;
ActionForm form = context.getForm();
HttpServletRequest request = context.getRequest();
boolean cancelled = false;
if (request.getAttribute(Globals.CANCEL_KEY) != null)
{
cancelled = true;
}
if (form instanceof BindingForm && !cancelled)
{
action.preBind();
BindingForm validBindingForm = (BindingForm) form;
validBindingForm.bindInwards(actionBean);
}
ActionMapping mapping = context.getMapping();
if (cancelled)
{
action.cancel();
}
else
{
// now figure out what method to execute and do so
String parameterName = mapping.getParameter();
getHelper().checkParameterName(mapping, parameterName);
String methodName = getMethodName(context, parameterName);
if (methodName == null)
{
action.execute();
}
else
{
Method method = getHelper().getMethod(actionBean, methodName);
ReflectHelper.invokeMethod(actionBean, method, String.class);
}
}
return NavigateUtils.findActionForward(navigationHolder, actionBean, context);
}
@Override
protected Map<String, String> internalGetKeyMethodMap()
{
return super.internalGetKeyMethodMap();
}
}