package com.cognifide.slice.core.internal.context;
/*
* #%L
* Slice - Core
* $Id:$
* $HeadURL:$
* %%
* Copyright (C) 2012 Cognifide Limited
* %%
* 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.
* #L%
*/
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import com.cognifide.slice.api.context.Context;
import com.cognifide.slice.api.context.ContextFactory;
import com.cognifide.slice.api.qualifier.RequestedResource;
import com.cognifide.slice.core.internal.context.MapContext;
import com.cognifide.slice.core.internal.context.ServletRequestContext;
import com.cognifide.slice.util.ServletRequestResponseUtil;
import com.google.inject.Key;
/**
* @author Rafał Malinowski
*
* Helper class for creating Context instances.
*/
public class SliceContextFactory implements ContextFactory {
/**
* Create Context from request and response objects. Returned Context will delegate it stored/reads to
* request object - it will behave a bit like RequestScope from Slice 1.0.
*
* Returned Context will contain entries for ServletRequest.class, ServletResponse.class and
* Resource.class with RequestedResourcePath attribute.
*/
@Override
public Context getServletRequestContext(final ServletRequest request, final ServletResponse response) {
if (null == request || null == response) {
return null;
}
final Context context = new ServletRequestContext(request);
context.put(Key.get(ServletRequest.class), request);
context.put(Key.get(ServletResponse.class), response);
final Resource requestedResource = getRequestedResource(request);
context.put(Key.get(Resource.class, RequestedResource.class), requestedResource);
return context;
}
private Resource getRequestedResource(final ServletRequest request) {
return ServletRequestResponseUtil.getSlingHttpServletRequest(request).getResource();
}
/**
* Create Context from resourceResolver object. Returned Context will store all objects in itself - it
* will behave as per-thread context.
*
* Returned Context will contain entry for ResourceResolver.class. No ServletRequest.class or
* ServletResponse.class will be available for injector.
*/
@Override
public Context getResourceResolverContext(final ResourceResolver resourceResolver) {
final MapContext mapContex = new MapContext();
mapContex.put(Key.get(ResourceResolver.class), resourceResolver);
return mapContex;
}
}