svn commit: r725416 - /activemq/camel/trunk/components/camel-ftp/src/test/java/org/apache/camel/component/file/remote/FromQueueThenConsumeFtpToMockTest.java

[da...@apache.org]

Author: davsclaus
Date: Wed Dec 10 12:24:54 2008
New Revision: 725416

URL: http://svn.apache.org/viewvc?rev=725416&view=rev
Log:
camel-ftp: Added sample based on end user request on user forum

Added:
    activemq/camel/trunk/components/camel-ftp/src/test/java/org/apache/camel/component/file/remote/FromQueueThenConsumeFtpToMockTest.java   (with props)

Added: activemq/camel/trunk/components/camel-ftp/src/test/java/org/apache/camel/component/file/remote/FromQueueThenConsumeFtpToMockTest.java
URL: http://svn.apache.org/viewvc/activemq/camel/trunk/components/camel-ftp/src/test/java/org/apache/camel/component/file/remote/FromQueueThenConsumeFtpToMockTest.java?rev=725416&view=auto
==============================================================================
--- activemq/camel/trunk/components/camel-ftp/src/test/java/org/apache/camel/component/file/remote/FromQueueThenConsumeFtpToMockTest.java (added)
+++ activemq/camel/trunk/components/camel-ftp/src/test/java/org/apache/camel/component/file/remote/FromQueueThenConsumeFtpToMockTest.java Wed Dec 10 12:24:54 2008
@@ -0,0 +1,123 @@
+/**
+ * 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 java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.camel.Consumer;
+import org.apache.camel.Endpoint;
+import org.apache.camel.Exchange;
+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);
+
+                        // use this latch to wait for completion of the consumer
+                        final CountDownLatch latch = new CountDownLatch(1);
+
+                        // create a consumer and process the result using the processor
+                        Consumer consumer = ftp.createConsumer(new Processor() {
+                            public void process(Exchange result) throws Exception {
+                                // 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());
+                                // signal we are complete
+                                latch.countDown();
+                            }
+                        });
+                        // start the consumer
+                        consumer.start();
+
+                        // wait for the completion or timeout after 30 seconds
+                        latch.await(30, TimeUnit.SECONDS);
+
+                        // stop the consumer
+                        consumer.stop();
+                    }
+                }).to("mock:result");
+                // END SNIPPET: e2
+            }
+        };
+    }
+
+}
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