Java tutorial
/* * Copyright 2011 IT Services VS GmbH * * 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 de.itsvs.cwtrpc.security; import java.io.IOException; import java.util.LinkedHashMap; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.security.core.AuthenticationException; import org.springframework.security.web.authentication.AuthenticationFailureHandler; /** * @author Volker Schmidt * @since 0.9 */ public abstract class AbstractRpcAuthenticationFailureHandler extends AbstractRpcFailureHandler implements AuthenticationFailureHandler { private final Log log = LogFactory.getLog(AbstractRpcAuthenticationFailureHandler.class); static Class<? extends Exception> getPackageDefaultExceptionClass() { return de.itsvs.cwtrpc.security.AuthenticationException.class; } static Map<Class<? extends AuthenticationException>, Class<? extends Exception>> createPackageExceptionClassMappings() { final Map<Class<? extends AuthenticationException>, Class<? extends Exception>> mappings; mappings = new LinkedHashMap<Class<? extends AuthenticationException>, Class<? extends Exception>>(); mappings.put(org.springframework.security.authentication.BadCredentialsException.class, de.itsvs.cwtrpc.security.BadCredentialsException.class); mappings.put(org.springframework.security.authentication.AccountExpiredException.class, de.itsvs.cwtrpc.security.AccountExpiredException.class); mappings.put(org.springframework.security.authentication.CredentialsExpiredException.class, de.itsvs.cwtrpc.security.CredentialsExpiredException.class); mappings.put(org.springframework.security.authentication.DisabledException.class, de.itsvs.cwtrpc.security.DisabledException.class); mappings.put(org.springframework.security.authentication.LockedException.class, de.itsvs.cwtrpc.security.LockedException.class); mappings.put(org.springframework.security.authentication.AuthenticationServiceException.class, de.itsvs.cwtrpc.security.AuthenticationServiceException.class); return mappings; } public abstract Exception lookupRemoteExceptionFor(HttpServletRequest request, AuthenticationException exception); public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException { Exception remoteException = null; log.debug("Handling authentication failure", exception); remoteException = lookupRemoteExceptionFor(request, exception); if (remoteException != null) { writeExpectedException(request, response, remoteException); } else { writeUnexpectedException(request, response, exception); } } }