Home | History | Annotate | Download | only in dns 
      1 /**
      2  * Copyright 2013 Florian Schmaus
      3  *
      4  * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *     http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package org.jivesoftware.smack.util.dns;
     17 
     18 public class HostAddress {
     19     private String fqdn;
     20     private int port;
     21     private Exception exception;
     22 
     23     /**
     24      * Creates a new HostAddress with the given FQDN. The port will be set to the default XMPP client port: 5222
     25      *
     26      * @param fqdn Fully qualified domain name.
     27      * @throws IllegalArgumentException If the fqdn is null.
     28      */
     29     public HostAddress(String fqdn) {
     30         if (fqdn == null)
     31             throw new IllegalArgumentException("FQDN is null");
     32         if (fqdn.charAt(fqdn.length() - 1) == '.') {
     33             this.fqdn = fqdn.substring(0, fqdn.length() - 1);
     34         }
     35         else {
     36             this.fqdn = fqdn;
     37         }
     38         // Set port to the default port for XMPP client communication
     39         this.port = 5222;
     40     }
     41 
     42     /**
     43      * Creates a new HostAddress with the given FQDN. The port will be set to the default XMPP client port: 5222
     44      *
     45      * @param fqdn Fully qualified domain name.
     46      * @param port The port to connect on.
     47      * @throws IllegalArgumentException If the fqdn is null or port is out of valid range (0 - 65535).
     48      */
     49     public HostAddress(String fqdn, int port) {
     50         this(fqdn);
     51         if (port < 0 || port > 65535)
     52             throw new IllegalArgumentException(
     53                     "DNS SRV records weight must be a 16-bit unsiged integer (i.e. between 0-65535. Port was: " + port);
     54 
     55         this.port = port;
     56     }
     57 
     58     public String getFQDN() {
     59         return fqdn;
     60     }
     61 
     62     public int getPort() {
     63         return port;
     64     }
     65 
     66     public void setException(Exception e) {
     67         this.exception = e;
     68     }
     69 
     70     @Override
     71     public String toString() {
     72         return fqdn + ":" + port;
     73     }
     74 
     75     @Override
     76     public boolean equals(Object o) {
     77         if (this == o) {
     78             return true;
     79         }
     80         if (!(o instanceof HostAddress)) {
     81             return false;
     82         }
     83 
     84         final HostAddress address = (HostAddress) o;
     85 
     86         if (!fqdn.equals(address.fqdn)) {
     87             return false;
     88         }
     89         return port == address.port;
     90     }
     91 
     92     @Override
     93     public int hashCode() {
     94         int result = 1;
     95         result = 37 * result + fqdn.hashCode();
     96         return result * 37 + port;
     97     }
     98 
     99     public String getErrorMessage() {
    100         String error;
    101         if (exception == null) {
    102             error = "No error logged";
    103         }
    104         else {
    105             error = exception.getMessage();
    106         }
    107         return toString() + " Exception: " + error;
    108     }
    109 }
    110