// Copyright 2010 The Apache Software Foundation
//
// 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.apache.tapestry5.internal.services;

import java.io.IOException;

import org.apache.tapestry5.ComponentResources;
import org.apache.tapestry5.EventConstants;
import org.apache.tapestry5.EventContext;
import org.apache.tapestry5.TrackableComponentEventCallback;
import org.apache.tapestry5.services.ComponentEventResultProcessor;

public class PageActivatorImpl implements PageActivator
{

    @SuppressWarnings("unchecked")
    public boolean activatePage(ComponentResources pageResources, EventContext activationContext,
            ComponentEventResultProcessor resultProcessor) throws IOException
    {
        TrackableComponentEventCallback callback = new ComponentResultProcessorWrapper(resultProcessor);

        pageResources.triggerContextEvent(EventConstants.ACTIVATE, activationContext, callback);

        if (callback.isAborted())
        {
            callback.rethrow();
            return true;
        }

        return false;
    }

}
