Package com.rabbitmq.examples

Source Code of com.rabbitmq.examples.FileProducer

//  The contents of this file are subject to the Mozilla Public License
//  Version 1.1 (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.mozilla.org/MPL/
//
//  Software distributed under the License is distributed on an "AS IS"
//  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
//  the License for the specific language governing rights and
//  limitations under the License.
//
//  The Original Code is RabbitMQ.
//
//  The Initial Developer of the Original Code is VMware, Inc.
//  Copyright (c) 2007-2012 VMware, Inc.  All rights reserved.
//


package com.rabbitmq.examples;

import java.io.File;
import java.io.FileInputStream;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.AMQP.BasicProperties;

public class FileProducer {
    public static void main(String[] args) {
  Options options = new Options();
  options.addOption(new Option("h", "uri", true, "AMQP URI"));
  options.addOption(new Option("p", "port", true, "broker port"));
  options.addOption(new Option("t", "type", true, "exchange type"));
  options.addOption(new Option("e", "exchange", true, "exchange name"));
  options.addOption(new Option("k", "routing-key", true, "routing key"));

        CommandLineParser parser = new GnuParser();

        try {
            CommandLine cmd = parser.parse(options, args);

            String uri = strArg(cmd, 'h', "amqp://localhost");
      String exchangeType = strArg(cmd, 't', "direct");
      String exchange = strArg(cmd, 'e', null);
      String routingKey = strArg(cmd, 'k', null);

            ConnectionFactory connFactory = new ConnectionFactory();
            connFactory.setUri(uri);
            Connection conn = connFactory.newConnection();

            final Channel ch = conn.createChannel();

      if (exchange == null) {
    System.err.println("Please supply exchange name to send to (-e)");
    System.exit(2);
      }
      if (routingKey == null) {
    System.err.println("Please supply routing key to send to (-k)");
    System.exit(2);
      }
      ch.exchangeDeclare(exchange, exchangeType);

      for (String filename : cmd.getArgs()) {
    System.out.print("Sending " + filename + "...");
    File f = new File(filename);
    FileInputStream i = new FileInputStream(f);
    byte[] body = new byte[(int) f.length()];
    i.read(body);
    i.close();

    Map<String, Object> headers = new HashMap<String, Object>();
    headers.put("filename", filename);
    headers.put("length", (int) f.length());
    BasicProperties props = new BasicProperties.Builder().headers(headers).build();
    ch.basicPublish(exchange, routingKey, props, body);
    System.out.println(" done.");
      }

      conn.close();
        } catch (Exception ex) {
            System.err.println("Main thread caught exception: " + ex);
            ex.printStackTrace();
            System.exit(1);
        }
    }

    private static String strArg(CommandLine cmd, char opt, String def) {
        return cmd.getOptionValue(opt, def);
    }
}
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