1 files changed, 163 insertions, 0 deletions
diff --git a/qpid/java/client/example/src/main/java/org/apache/qpid/example/publisher/FileMessageDispatcher.java b/qpid/java/client/example/src/main/java/org/apache/qpid/example/publisher/FileMessageDispatcher.java
new file mode 100644
index 0000000000..1849f733e9
--- /dev/null
+++ b/qpid/java/client/example/src/main/java/org/apache/qpid/example/publisher/FileMessageDispatcher.java
@@ -0,0 +1,163 @@
+/*
+ *
+ * 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.qpid.example.publisher;
+
+import java.io.File;
+
+import javax.jms.JMSException;
+
+
+import org.apache.qpid.example.shared.FileUtils;
+import org.apache.qpid.example.shared.Statics;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Logger;
+
+/**
+ * Class that sends message files to the Publisher to distribute
+ * using files as input
+ * Must set properties for host in properties file or uses in vm broker
+ */
+public class FileMessageDispatcher
+{
+
+    protected static final Logger _logger = LoggerFactory.getLogger(FileMessageDispatcher.class);
+
+    protected static Publisher _publisher = null;
+
+    /**
+     * To use this main method you need to specify a path or file to use for input
+     * This class then uses file contents from the dir/file specified to generate
+     * messages to publish
+     * Intended to be a very simple way to get going with publishing using the broker
+     * @param args - must specify one value, the path to file(s) for publisher
+     */
+    public static void main(String[] args)
+    {
+
+        // Check command line args ok - must provide a path or file for us to dispatch
+        if (args.length == 0)
+        {
+            System.out.println("Usage: FileMessageDispatcher <filesToDispatch>" + "");
+        }
+        else
+        {
+            try
+            {
+                // publish message(s) from file(s) to configured queue
+                publish(args[0]);
+
+                // Move payload file(s) to archive location as no error
+                FileUtils.moveFileToNewDir(args[0], System.getProperties().getProperty(Statics.ARCHIVE_PATH));
+            }
+            catch (Exception e)
+            {
+                // log error and exit
+                _logger.error("Error trying to dispatch message: " + e);
+                System.exit(1);
+            }
+            finally
+            {
+                // clean up before exiting
+                if (getPublisher() != null)
+                {
+                    getPublisher().cleanup();
+                }
+            }
+        }
+
+        if (_logger.isDebugEnabled())
+        {
+            _logger.debug("Finished dispatching message");
+        }
+
+        System.exit(0);
+    }
+
+    /**
+     * Publish the content of a file or files from a directory as messages
+     * @param path - from main args
+     * @throws JMSException
+     * @throws MessageFactoryException - if cannot create message from file content
+     */
+    public static void publish(String path) throws JMSException, MessageFactoryException
+    {
+        File tempFile = new File(path);
+        if (tempFile.isDirectory())
+        {
+            // while more files in dir publish them
+            File[] files = tempFile.listFiles();
+
+            if ((files == null) || (files.length == 0))
+            {
+                _logger.info("FileMessageDispatcher - No files to publish in input directory: " + tempFile);
+            }
+            else
+            {
+                for (File file : files)
+                {
+                    // Create message factory passing in payload path
+                    FileMessageFactory factory = new FileMessageFactory(getPublisher().getSession(), file.toString());
+
+                    // Send the message generated from the payload using the _publisher
+                    getPublisher().sendMessage(factory.createEventMessage());
+
+                }
+            }
+        }
+        else
+        {
+            // handle a single file
+            // Create message factory passing in payload path
+            FileMessageFactory factory = new FileMessageFactory(getPublisher().getSession(), tempFile.toString());
+
+            // Send the message generated from the payload using the _publisher
+            getPublisher().sendMessage(factory.createEventMessage());
+        }
+    }
+
+    /**
+     * Cleanup before exit
+     */
+    public static void cleanup()
+    {
+        if (getPublisher() != null)
+        {
+            getPublisher().cleanup();
+        }
+    }
+
+    /**
+     * @return A Publisher instance
+     */
+    private static Publisher getPublisher()
+    {
+        if (_publisher != null)
+        {
+            return _publisher;
+        }
+
+        // Create a _publisher
+        _publisher = new Publisher();
+
+        return _publisher;
+    }
+
+}