/**
*
* Copyright
* 2009-2015 Jayway Products AB
* 2016-2017 Föreningen Sambruk
*
* Licensed under AGPL, Version 3.0 (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.gnu.org/licenses/agpl.txt
*
* 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 se.streamsource.dci.restlet.client;
import org.qi4j.api.injection.scope.Structure;
import org.qi4j.api.mixin.Initializable;
import org.qi4j.api.mixin.InitializationException;
import org.qi4j.api.structure.Module;
import org.restlet.Response;
import org.restlet.representation.Representation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.List;
import java.util.ResourceBundle;
/**
* Delegates to a list of potential readers. Register readers on startup.
*/
public class ResponseReaderDelegator
implements ResponseReader, Initializable
{
List<ResponseReader> responseReaders = new ArrayList<ResponseReader>( );
@Structure
Module module;
public void initialize() throws InitializationException
{
Logger logger = LoggerFactory.getLogger( getClass() );
ResourceBundle defaultResponseReaders = ResourceBundle.getBundle( "commandquery" );
String responseReaderClasses = defaultResponseReaders.getString( "responsereaders" );
logger.info( "Using responsereaders:"+responseReaderClasses );
for (String className : responseReaderClasses.split( "," ))
{
try
{
Class readerClass = module.classLoader().loadClass( className.trim() );
ResponseReader reader = (ResponseReader) module.objectBuilderFactory().newObject( readerClass );
registerResponseReader( reader );
} catch (ClassNotFoundException e)
{
logger.warn( "Could not register response reader "+className, e );
}
}
}
public void registerResponseReader( ResponseReader reader )
{
responseReaders.add( reader );
}
public Object readResponse( Response response, Class<?> resultType )
{
if (resultType.equals(Representation.class))
return response.getEntity();
for (ResponseReader responseReader : responseReaders)
{
Object result = responseReader.readResponse( response, resultType );
if (result != null)
return result;
}
return null;
}
}