// 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.EventContext;
import org.apache.tapestry5.internal.EmptyEventContext;
import org.apache.tapestry5.internal.InternalConstants;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.apache.tapestry5.ioc.services.TypeCoercer;
import org.apache.tapestry5.services.ComponentClassResolver;
import org.apache.tapestry5.services.ComponentEventResultProcessor;
import org.apache.tapestry5.services.PageRenderRequestHandler;
import org.apache.tapestry5.services.PageRenderRequestParameters;
import org.apache.tapestry5.services.Request;
import org.apache.tapestry5.services.StreamPageContent;
/**
* Used to trigger the rendering of a particular page without causing a redirect to that page.
* The content of the page is just streamed to the client.
*
* @since 5.2.0
*/
public class StreamPageContentResultProcessor implements ComponentEventResultProcessor<StreamPageContent>
{
@Inject
private PageRenderRequestHandler handler;
@Inject
private ComponentClassResolver resolver;
@Inject
private TypeCoercer typeCoercer;
@Inject
private Request request;
public void processResultValue(final StreamPageContent value) throws IOException
{
final Class<?> pageClass = value.getPageClass();
final Object[] activationContext = value.getPageActivationContext();
final String pageName = this.resolver.resolvePageClassNameToPageName(pageClass.getName());
final EventContext context = activationContext == null ? new EmptyEventContext() : new ArrayEventContext(
this.typeCoercer, activationContext);
this.handler.handle(new PageRenderRequestParameters(pageName, context, false));
}
}