/**
* 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.file.remote;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.PollingConsumer;
import org.apache.camel.Processor;
import org.apache.camel.Producer;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.file.FileComponent;
import org.apache.camel.component.mock.MockEndpoint;
/**
* Unit test based on user forum question
*/
public class FromQueueThenConsumeFtpToMockTest extends FtpServerTestSupport {
private int port = 20034;
private String storeUrl = "ftp://admin@localhost:" + port + "/getme?password=admin&binary=false";
// START SNIPPET: e1
// we use directory=false to indicate we only want to consume a single file
// we use delay=5000 to use 5 sec delay between pools to avoid polling a second time before we stop the consumer
// this is because we only want to run a single poll and get the file
// file=getme/ is the path to the folder where the file is
private String getUrl = "ftp://admin@localhost:" + port + "?password=admin&binary=false&directory=false&consumer.delay=5000&file=getme/";
// END SNIPPET: e1
public int getPort() {
return port;
}
@Override
protected void setUp() throws Exception {
super.setUp();
deleteDirectory("./res/home/getme");
prepareFtpServer();
}
private void prepareFtpServer() throws Exception {
// prepares the FTP Server by creating a file on the server that we want to unit
// test that we can pool once
Endpoint endpoint = context.getEndpoint(storeUrl);
Exchange exchange = endpoint.createExchange();
exchange.getIn().setBody("Bye World");
exchange.getIn().setHeader(FileComponent.HEADER_FILE_NAME, "hello.txt");
Producer producer = endpoint.createProducer();
producer.start();
producer.process(exchange);
producer.stop();
}
public void testFromQueueThenConsumeFtp() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedBodiesReceived("Bye World");
template.sendBodyAndHeader("seda:start", "Hello World", "myfile", "hello.txt");
assertMockEndpointsSatisfied();
}
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
public void configure() throws Exception {
// START SNIPPET: e2
from("seda:start").process(new Processor() {
public void process(final Exchange exchange) throws Exception {
// get the filename from our custome header we want to get from a remote server
String filename = exchange.getIn().getHeader("myfile", String.class);
// construct the total url for the ftp consumer
String url = getUrl + filename;
// create a ftp endpoint
Endpoint ftp = context.getEndpoint(url);
// create a polling consumer so we can poll the remote ftp file
PollingConsumer consumer = ftp.createPollingConsumer();
consumer.start();
// receive the remote ftp without timeout
Exchange result = consumer.receive();
// we must stop the consumer
consumer.stop();
// the result is the response from the FTP consumer (the downloaded file)
// replace the outher exchange with the content from the downloaded file
exchange.getIn().setBody(result.getIn().getBody());
}
}).to("mock:result");
// END SNIPPET: e2
}
};
}
}