| /** |
| * 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.component.velocity; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.activation.DataHandler; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.apache.velocity.VelocityContext; |
| import org.junit.Test; |
| |
| public class VelocityTest extends CamelTestSupport { |
| |
| @Test |
| public void testVelocityLetter() throws Exception { |
| final DataHandler dataHandler = new DataHandler("my attachment", "text/plain"); |
| Exchange exchange = template.request("direct:a", new Processor() { |
| @Override |
| public void process(Exchange exchange) throws Exception { |
| exchange.getIn().addAttachment("item", dataHandler); |
| exchange.getIn().setBody("Monday"); |
| exchange.getIn().setHeader("name", "Christian"); |
| exchange.setProperty("item", "7"); |
| } |
| }); |
| |
| assertEquals("Dear Christian. You ordered item 7 on Monday.", exchange.getOut().getBody()); |
| assertEquals("Christian", exchange.getOut().getHeader("name")); |
| assertSame(dataHandler, exchange.getOut().getAttachment("item")); |
| } |
| |
| @Test |
| public void testVelocityContext() throws Exception { |
| Exchange exchange = template.request("direct:a", new Processor() { |
| @Override |
| public void process(Exchange exchange) throws Exception { |
| exchange.getIn().setBody(""); |
| exchange.getIn().setHeader("name", "Christian"); |
| Map<String, Object> variableMap = new HashMap<String, Object>(); |
| Map<String, Object> headersMap = new HashMap<String, Object>(); |
| headersMap.put("name", "Willem"); |
| variableMap.put("headers", headersMap); |
| variableMap.put("body", "Monday"); |
| variableMap.put("exchange", exchange); |
| VelocityContext velocityContext = new VelocityContext(variableMap); |
| exchange.getIn().setHeader(VelocityConstants.VELOCITY_CONTEXT, velocityContext); |
| exchange.setProperty("item", "7"); |
| } |
| }); |
| |
| assertEquals("Dear Willem. You ordered item 7 on Monday.", exchange.getOut().getBody()); |
| assertEquals("Christian", exchange.getOut().getHeader("name")); |
| } |
| |
| protected RouteBuilder createRouteBuilder() { |
| return new RouteBuilder() { |
| public void configure() { |
| // START SNIPPET: example |
| from("direct:a"). |
| to("velocity:org/apache/camel/component/velocity/example.vm"); |
| // END SNIPPET: example |
| } |
| }; |
| } |
| } |