| /* |
| * |
| * 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; |
| |
| import javax.jms.Connection; |
| import javax.jms.Destination; |
| import javax.jms.Message; |
| import javax.jms.MessageConsumer; |
| import javax.jms.Session; |
| |
| import org.apache.qpid.client.AMQAnyDestination; |
| |
| public class Drain extends OptionParser |
| { |
| |
| static final Option FOREVER = new Option("f", |
| "forever", |
| "ignore timeout and wait forever", |
| null, |
| null, |
| Boolean.class); |
| |
| static final Option COUNT = new Option ("c", |
| "count", |
| "read c messages, then exit", |
| "COUNT", |
| "0", |
| Integer.class); |
| |
| |
| static |
| { |
| addOption(BROKER); |
| addOption(HELP); |
| addOption(TIMEOUT); |
| addOption(FOREVER); |
| addOption(COUNT); |
| addOption(CON_OPTIONS); |
| addOption(BROKER_OPTIONS); |
| } |
| |
| public Drain(String[] args, String usage, String desc) throws Exception |
| { |
| super(args, usage, desc); |
| |
| Connection con = createConnection(); |
| con.start(); |
| Session ssn = con.createSession(false,Session.AUTO_ACKNOWLEDGE); |
| Destination dest = new AMQAnyDestination(getAddress()); |
| MessageConsumer consumer = ssn.createConsumer(dest); |
| Message msg; |
| |
| long timeout = -1; |
| int count = 0; |
| int i = 0; |
| |
| if (containsOp(TIMEOUT)) { timeout = Integer.parseInt(getOp(TIMEOUT))*1000; } |
| if (containsOp(FOREVER)) { timeout = 0; } |
| if (containsOp(COUNT)) { count = Integer.parseInt(getOp(COUNT)); } |
| |
| while ((msg = consumer.receive(timeout)) != null) |
| { |
| System.out.println("\n------------- Msg -------------"); |
| System.out.println(msg); |
| System.out.println("-------------------------------\n"); |
| |
| if (count > 0) { |
| if (++i == count) { |
| break; |
| } |
| } |
| } |
| consumer.close(); |
| ssn.close(); |
| con.close(); |
| } |
| |
| public static void main(String[] args) throws Exception |
| { |
| String u = "Usage: drain [OPTIONS] 'ADDRESS'"; |
| String d = "Drains messages from the specified address."; |
| |
| new Drain(args,u,d); |
| } |
| } |