/**
SpagoBI - The Business Intelligence Free Platform
Copyright (C) 2005 Engineering Ingegneria Informatica S.p.A.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
**/
package it.eng.spagobi.engines.geo.service;
import java.io.IOException;
import java.util.Collection;
import java.util.Iterator;
import org.apache.log4j.Logger;
import org.json.JSONException;
import it.eng.spago.base.SourceBean;
import it.eng.spago.error.EMFErrorHandler;
import it.eng.spago.error.EMFInternalError;
import it.eng.spagobi.utilities.assertion.Assert;
import it.eng.spagobi.utilities.engines.SpagoBIEngineServiceException;
import it.eng.spagobi.utilities.service.JSONFailure;
/**
* @author Andrea Gioia (andrea.gioia@eng.it)
*
*/
public class ServiceExceptionTrapAction extends AbstractGeoEngineAction {
/** Logger component. */
public static transient Logger logger = Logger.getLogger(ServiceExceptionTrapAction.class);
public void service(SourceBean serviceRequest, SourceBean serviceResponse) {
EMFErrorHandler errorHandler;
Collection errors ;
Iterator it;
logger.debug("IN");
try {
errorHandler = getErrorHandler();
Assert.assertNotNull(errorHandler, "error handler cannot be null");
errors = errorHandler.getErrors();
logger.debug("error handler contains [" + errors.size() + "] error/s");
it = errors.iterator();
while(it.hasNext()) {
Object o = it.next();
logger.debug("Error type [" + o.getClass().getName()+ "]");
if(o instanceof EMFInternalError) {
EMFInternalError error = (EMFInternalError)o;
Exception e = error.getNativeException();
if(e instanceof SpagoBIEngineServiceException) {
SpagoBIEngineServiceException serviceError = (SpagoBIEngineServiceException)e;
logError(serviceError);
try {
writeBackToClient( new JSONFailure( serviceError ) );
} catch (IOException ioe) {
String message = "Impossible to write back the responce to the client";
throw new SpagoBIEngineServiceException(getActionName(), message, e);
} catch (JSONException je) {
String message = "Error while serializing error into JSON object";
throw new SpagoBIEngineServiceException(getActionName(), message, je);
}
} else {
logger.error("Unespected exception",e);
}
} else {
logger.error(o.toString());
}
}
} catch(Throwable t) {
logger.error("An error occurred while handling a previously thrown Exception");
} finally {
logger.debug("OUT");
}
}
private void logError(SpagoBIEngineServiceException serviceError) {
logger.error(serviceError.getMessage());
logger.error("The error root cause is: " + serviceError.getRootCause());
if(serviceError.getHints().size() > 0) {
Iterator hints = serviceError.getHints().iterator();
while(hints.hasNext()) {
String hint = (String)hints.next();
logger.info("hint: " + hint);
}
}
logger.error("The error root cause stack trace is:", serviceError.getCause());
logger.error("The error full stack trace is:", serviceError);
}
}