home | career | drupal | java | mac | mysql | perl | scala | uml | unix  

ActiveMQ example source code file (DNSEntry.java)

This example ActiveMQ source code file (DNSEntry.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

dnsentry, dnsentry, log, logger, logger, logging, string, string

The ActiveMQ DNSEntry.java source code

 * Copyright 2003-2005 Arthur van Hoff, Rick Blair
 * 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.apache.activemq.jmdns;

import java.util.logging.Logger;

 * DNS entry with a name, type, and class. This is the base
 * class for questions and records.
 * @version %I%, %G%
 * @author	Arthur van Hoff, Pierre Frisch, Rick Blair
class DNSEntry
    private static Logger logger = Logger.getLogger(DNSEntry.class.toString());
    String key;
    String name;
    int type;
    int clazz;
    boolean unique;

     * Create an entry.
    DNSEntry(String name, int type, int clazz)
        this.key = name.toLowerCase();
        this.name = name;
        this.type = type;
        this.clazz = clazz & DNSConstants.CLASS_MASK;
        this.unique = (clazz & DNSConstants.CLASS_UNIQUE) != 0;

     * Check if two entries have exactly the same name, type, and class.
    public boolean equals(Object obj)
        if (obj instanceof DNSEntry)
            DNSEntry other = (DNSEntry) obj;
            return name.equals(other.name) && type == other.type && clazz == other.clazz;
        return false;

    public String getName()
        return name;

    public int getType()
        return type;

     * Overriden, to return a value which is consistent with the value returned
     * by equals(Object).
    public int hashCode()
        return name.hashCode() + type + clazz;

     * Get a string given a clazz.
    static String getClazz(int clazz)
        switch (clazz & DNSConstants.CLASS_MASK)
            case DNSConstants.CLASS_IN:
                return "in";
            case DNSConstants.CLASS_CS:
                return "cs";
            case DNSConstants.CLASS_CH:
                return "ch";
            case DNSConstants.CLASS_HS:
                return "hs";
            case DNSConstants.CLASS_NONE:
                return "none";
            case DNSConstants.CLASS_ANY:
                return "any";
                return "?";

     * Get a string given a type.
    static String getType(int type)
        switch (type)
            case DNSConstants.TYPE_A:
                return "a";
            case DNSConstants.TYPE_AAAA:
                return "aaaa";
            case DNSConstants.TYPE_NS:
                return "ns";
            case DNSConstants.TYPE_MD:
                return "md";
            case DNSConstants.TYPE_MF:
                return "mf";
            case DNSConstants.TYPE_CNAME:
                return "cname";
            case DNSConstants.TYPE_SOA:
                return "soa";
            case DNSConstants.TYPE_MB:
                return "mb";
            case DNSConstants.TYPE_MG:
                return "mg";
            case DNSConstants.TYPE_MR:
                return "mr";
            case DNSConstants.TYPE_NULL:
                return "null";
            case DNSConstants.TYPE_WKS:
                return "wks";
            case DNSConstants.TYPE_PTR:
                return "ptr";
            case DNSConstants.TYPE_HINFO:
                return "hinfo";
            case DNSConstants.TYPE_MINFO:
                return "minfo";
            case DNSConstants.TYPE_MX:
                return "mx";
            case DNSConstants.TYPE_TXT:
                return "txt";
            case DNSConstants.TYPE_SRV:
                return "srv";
            case DNSConstants.TYPE_ANY:
                return "any";
                return "?";

    public String toString(String hdr, String other)
        return hdr + "[" + getType(type) + "," + getClazz(clazz) + (unique ? "-unique," : ",") + name + ((other != null) ? "," + other + "]" : "]");

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ DNSEntry.java source code file:

new blog posts


Copyright 1998-2016 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.