001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.reifier;
018
019import org.apache.camel.Processor;
020import org.apache.camel.RuntimeCamelException;
021import org.apache.camel.model.ProcessorDefinition;
022import org.apache.camel.model.ThrowExceptionDefinition;
023import org.apache.camel.processor.ThrowExceptionProcessor;
024import org.apache.camel.spi.RouteContext;
025
026public class ThrowExceptionReifier extends ProcessorReifier<ThrowExceptionDefinition> {
027
028    public ThrowExceptionReifier(RouteContext routeContext, ProcessorDefinition<?> definition) {
029        super(routeContext, (ThrowExceptionDefinition) definition);
030    }
031
032    @Override
033    public Processor createProcessor() {
034        Exception exception = definition.getException();
035        if (exception == null && definition.getRef() != null) {
036            exception = routeContext.lookup(parseString(definition.getRef()), Exception.class);
037        }
038
039        Class<? extends Exception> exceptionClass = definition.getExceptionClass();
040        if (exceptionClass == null && definition.getExceptionType() != null) {
041            exceptionClass = parse(Class.class, definition.getExceptionType());
042        }
043
044        if (exception == null && exceptionClass == null) {
045            throw new IllegalArgumentException("exception/ref or exceptionClass/exceptionType must be configured on: " + this);
046        }
047        return new ThrowExceptionProcessor(exception, exceptionClass, parseString(definition.getMessage()));
048    }
049
050}