| /** |
| * 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.language.groovy; |
| |
| import groovy.lang.Closure; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.impl.ExpressionSupport; |
| import org.apache.camel.model.ChoiceDefinition; |
| import org.apache.camel.model.FilterDefinition; |
| import org.apache.camel.model.ProcessorDefinition; |
| |
| /** |
| * @version |
| */ |
| public final class CamelGroovyMethods { |
| private CamelGroovyMethods() { |
| // Utility Class |
| } |
| |
| public static FilterDefinition filter(ProcessorDefinition self, Closure filter) { |
| return self.filter(toExpression(filter)); |
| } |
| |
| public static ChoiceDefinition when(ChoiceDefinition self, Closure filter) { |
| return self.when(toExpression(filter)); |
| } |
| |
| public static ExpressionSupport toExpression(final Closure filter) { |
| return new ExpressionSupport() { |
| protected String assertionFailureMessage(Exchange exchange) { |
| return filter.toString(); |
| } |
| |
| public <T> T evaluate(Exchange exchange, Class<T> type) { |
| Object result = filter.call(exchange); |
| return exchange.getContext().getTypeConverter().convertTo(type, result); |
| } |
| |
| @Override |
| public String toString() { |
| return "Groovy[" + filter + "]"; |
| } |
| }; |
| } |
| |
| } |