net.sf.itcb.common.client.exceptions.resolver.ItcbFaultMessageResolver Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of common-client Show documentation
This module is the common client module for calling webservices (server module). It defines all generic treatements that allows calling webservices
The newest version!
package net.sf.itcb.common.client.exceptions.resolver;

import java.io.IOException;
import java.lang.reflect.Constructor;

import javax.annotation.Resource;
import javax.xml.transform.dom.DOMResult;

import net.sf.itcb.common.business.exceptions.BusinessItcbException;
import net.sf.itcb.common.client.exceptions.ClientItcbException;
import net.sf.itcb.common.client.exceptions.ClientItcbExceptionMappingErrors;

import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.ws.WebServiceMessage;
import org.springframework.ws.client.core.FaultMessageResolver;
import org.springframework.ws.soap.SoapFaultDetailElement;
import org.springframework.ws.soap.client.SoapFaultClientException;
import org.springframework.ws.soap.client.core.SoapFaultMessageResolver;

/**
 * Resolves webservices exceptions.
 * Currently, only those exceptions are managed :
 * 
 *   BusinessItcbException or children
 *   Spring XSD Validation Error : validation error is never logged in client side in Spring WS base
 * 
 * 
 * TODO In future versions, it has to be more modular in order to add other kind of exceptions
 * 
 * @author Pierre Le Roux
 * @since 0.0.3
 */
public class ItcbFaultMessageResolver extends SoapFaultMessageResolver implements FaultMessageResolver {

	private static final String SPRING_WS_VALIDATION_ERROR = "ValidationError";

	private static final Object SPRING_WS_URI = "http://springframework.org/spring-ws";
	
	@Resource(name="common-clientResources")
	protected org.springframework.context.MessageSource messageSource;
	
	@Override
	public void resolveFault(WebServiceMessage message) throws IOException {
		// The upper class automatically resolve a SoapFaultClientException
		try {
			super.resolveFault(message);
		}
		catch(SoapFaultClientException sfce) {
			// This call will throw specific known exceptions
			resolvesSpecificException(sfce);
			// If no specific exception management is done, the SoapFaultClientException is thrown 
			throw sfce;
		}
	}

	private void resolvesSpecificException(SoapFaultClientException sfce) {
		if(sfce.getFaultCode().getNamespaceURI().equals(BusinessItcbException.ITCB_NAMESPACE_URI) ) {
			makeBusinessItcbException(sfce);
		}
		manageOtherSpecificSoapFaultClientException(sfce);
		
	}
	
	private void manageOtherSpecificSoapFaultClientException(SoapFaultClientException sfce) {
		//ValidationError
		if(sfce.getSoapFault().getFaultDetail() != null) {
			try {
				while(sfce.getSoapFault().getFaultDetail().getDetailEntries().hasNext()) {
					SoapFaultDetailElement saajSoapFaultDetailElement = sfce.getSoapFault().getFaultDetail().getDetailEntries().next(); 
					if(saajSoapFaultDetailElement.getName().getNamespaceURI().equals(SPRING_WS_URI) && saajSoapFaultDetailElement.getName().getLocalPart().equals(SPRING_WS_VALIDATION_ERROR)) {
						if(saajSoapFaultDetailElement.getResult() instanceof DOMResult) {
							String detailedMessage = ((DOMResult)saajSoapFaultDetailElement.getResult()).getNode().getTextContent();
							throw new ClientItcbException(ClientItcbExceptionMappingErrors.COMMON_CLIENT_VALIDATION_ERROR, messageSource.getMessage("common-client.exception.validation_error", new Object[] {detailedMessage}, LocaleContextHolder.getLocale()));
						}
					}
				}
			}
			catch(ClientItcbException cie) {
				throw cie;
			}
		}
	}

	private void makeBusinessItcbException(SoapFaultClientException sfce) {
		try {
			while(sfce.getSoapFault().getFaultDetail().getDetailEntries().hasNext()) {
				SoapFaultDetailElement saajSoapFaultDetailElement = sfce.getSoapFault().getFaultDetail().getDetailEntries().next(); 
				if(saajSoapFaultDetailElement.getName().getLocalPart().equals(BusinessItcbException.EXCEPTION_CLASS.getLocalPart())) {
					if(saajSoapFaultDetailElement.getResult() instanceof DOMResult) {
						String exceptionClassName = ((DOMResult)saajSoapFaultDetailElement.getResult()).getNode().getTextContent();
						Class exceptionClass = Class.forName(exceptionClassName);
						Constructor[] constructors= exceptionClass.getConstructors();
						for (Constructor constructor : constructors) {
							if(constructor.getParameterTypes().length == 2) {
								Class classErrorMapping = constructor.getParameterTypes()[0];
								BusinessItcbException bie = (BusinessItcbException)constructor.newInstance( classErrorMapping.getMethod("valueOf", String.class).invoke(classErrorMapping, sfce.getFaultCode().getLocalPart()) , sfce.getLocalizedMessage());
								throw bie;
							}
						}
					}
				}
			}
		}
		catch(BusinessItcbException bie) {
			throw bie;
		}
		// No mapping found
		catch(Throwable t) {
			t.printStackTrace();
			throw new ClientItcbException(ClientItcbExceptionMappingErrors.COMMON_CLIENT_BUSINESS_TRANSFORMATION_ERROR, messageSource.getMessage("common-client.exception.resolver.transformation_error", new Object[] {t.getMessage()}, LocaleContextHolder.getLocale()));
	
		}
	}

}