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Java example source code file (Reader.java)
The Reader.java Java example source code/* * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * - Neither the name of Oracle nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * This source code is provided to illustrate the usage of a given feature * or technique and has been deliberately simplified. Additional steps * required for a production-quality application, such as security checks, * input validation and proper error handling, might not be present in * this sample code. */ import java.nio.channels.*; import java.nio.charset.*; import java.nio.ByteBuffer; import java.net.*; import java.io.IOException; import java.util.*; public class Reader { static void usage() { System.err.println("usage: java Reader group:port@interf [-only source...] [-block source...]"); System.exit(-1); } static void printDatagram(SocketAddress sa, ByteBuffer buf) { System.out.format("-- datagram from %s --\n", ((InetSocketAddress)sa).getAddress().getHostAddress()); System.out.println(Charset.defaultCharset().decode(buf)); } static void parseAddessList(String s, List<InetAddress> list) throws UnknownHostException { String[] sources = s.split(","); for (int i=0; i<sources.length; i++) { list.add(InetAddress.getByName(sources[i])); } } public static void main(String[] args) throws IOException { if (args.length == 0) usage(); // first parameter is the multicast address (interface required) MulticastAddress target = MulticastAddress.parse(args[0]); if (target.interf() == null) usage(); // addition arguments are source addresses to include or exclude List<InetAddress> includeList = new ArrayList Other Java examples (source code examples)Here is a short list of links related to this Java Reader.java source code file: |
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