| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.camel.builder; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.model.OnExceptionDefinition; |
| import org.apache.camel.processor.ErrorHandler; |
| import org.apache.camel.processor.ErrorHandlerSupport; |
| import org.apache.camel.processor.RedeliveryErrorHandler; |
| import org.apache.camel.processor.exceptionpolicy.ExceptionPolicyStrategy; |
| import org.apache.camel.spi.RouteContext; |
| import org.apache.camel.util.ObjectHelper; |
| |
| /** |
| * Base class for builders of error handling. |
| * |
| * @version |
| */ |
| public abstract class ErrorHandlerBuilderSupport implements ErrorHandlerBuilder { |
| private Map<RouteContext, List<OnExceptionDefinition>> onExceptions = new HashMap<RouteContext, List<OnExceptionDefinition>>(); |
| private ExceptionPolicyStrategy exceptionPolicyStrategy; |
| |
| public void addErrorHandlers(RouteContext routeContext, OnExceptionDefinition exception) { |
| // only add if we not already have it |
| List<OnExceptionDefinition> list = onExceptions.get(routeContext); |
| if (list == null) { |
| list = new ArrayList<OnExceptionDefinition>(); |
| onExceptions.put(routeContext, list); |
| } |
| if (!list.contains(exception)) { |
| list.add(exception); |
| } |
| } |
| |
| protected void cloneBuilder(ErrorHandlerBuilderSupport other) { |
| if (!onExceptions.isEmpty()) { |
| Map<RouteContext, List<OnExceptionDefinition>> copy = new HashMap<RouteContext, List<OnExceptionDefinition>>(onExceptions); |
| other.onExceptions = copy; |
| } |
| other.exceptionPolicyStrategy = exceptionPolicyStrategy; |
| } |
| |
| public void configure(RouteContext routeContext, ErrorHandler handler) { |
| if (handler instanceof ErrorHandlerSupport) { |
| ErrorHandlerSupport handlerSupport = (ErrorHandlerSupport) handler; |
| |
| List<OnExceptionDefinition> list = onExceptions.get(routeContext); |
| if (list != null) { |
| for (OnExceptionDefinition exception : list) { |
| handlerSupport.addExceptionPolicy(routeContext, exception); |
| } |
| } |
| } |
| if (handler instanceof RedeliveryErrorHandler) { |
| boolean original = ((RedeliveryErrorHandler) handler).isUseOriginalMessagePolicy(); |
| if (original) { |
| // ensure allow original is turned on |
| routeContext.setAllowUseOriginalMessage(true); |
| } |
| } |
| } |
| |
| public List<OnExceptionDefinition> getErrorHandlers(RouteContext routeContext) { |
| return onExceptions.get(routeContext); |
| } |
| |
| public void setErrorHandlers(RouteContext routeContext, List<OnExceptionDefinition> exceptions) { |
| this.onExceptions.put(routeContext, exceptions); |
| } |
| |
| /** |
| * Sets the exception policy to use |
| */ |
| public ErrorHandlerBuilderSupport exceptionPolicyStrategy(ExceptionPolicyStrategy exceptionPolicyStrategy) { |
| setExceptionPolicyStrategy(exceptionPolicyStrategy); |
| return this; |
| } |
| |
| public ExceptionPolicyStrategy getExceptionPolicyStrategy() { |
| return exceptionPolicyStrategy; |
| } |
| |
| public void setExceptionPolicyStrategy(ExceptionPolicyStrategy exceptionPolicyStrategy) { |
| ObjectHelper.notNull(exceptionPolicyStrategy, "ExceptionPolicyStrategy"); |
| this.exceptionPolicyStrategy = exceptionPolicyStrategy; |
| } |
| |
| /** |
| * Remove the OnExceptionList by look up the route id from the ErrorHandlerBuilder internal map |
| * @param id the route id |
| * @return true if the route context is found and removed |
| */ |
| public boolean removeOnExceptionList(String id) { |
| for (RouteContext routeContext : onExceptions.keySet()) { |
| if (getRouteId(routeContext).equals(id)) { |
| onExceptions.remove(routeContext); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| protected String getRouteId(RouteContext routeContext) { |
| CamelContext context = routeContext.getCamelContext(); |
| if (context != null) { |
| return routeContext.getRoute().idOrCreate(context.getNodeIdFactory()); |
| } else { |
| return routeContext.getRoute().getId(); |
| } |
| } |
| } |