tigase.util.dns

## Class DNSEntry

- java.lang.Object
- - tigase.util.dns.DNSEntry

- All Implemented Interfaces:
    Comparable<DNSEntry>

      public class DNSEntry
      extends Object
      implements Comparable<DNSEntry>

  The class defines an instance of a single DNS entry.
  Since:
    Dec 19, 2009 10:29:23 PM
  Author:
    Artur Hefczyc

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `DNSEntry(String hostname, String ip)` Constructs DNS entry with hostname and IP to which it resolves.
    `DNSEntry(String hostname, String[] ips)` Constructs DNS entry with hostname and multiple IP to which it resolves.
    `DNSEntry(String hostname, String[] ips, int port)` Constructs DNS entry with hostname, IPs to which it resolves and a default port number used for connections.
    `DNSEntry(String hostname, String ip, int port)` Constructs DNS entry with hostname, IP to which it resolves and a default port number used for connections.
    `DNSEntry(String hostname, String dnsResultHost, String[] ips, int port, long ttl, int priority, int weight)` Constructs complete SRV DNS entry.
    `DNSEntry(String hostname, String dnsResultHost, String ip, int port, long ttl, int priority, int weight)` Constructs complete SRV DNS entry.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `int` | `compareTo(DNSEntry o)`
    `String` | `getDnsResultHost()` Returns the domain name for which this record is valid
    `String` | `getHostname()` Returns the canonical hostname of the machine providing the service.
    `String` | `getIp()` Returns `IP address` of the machine providing the service.
    `String[]` | `getIps()` Returns array containing all `IP addresses` on which service is available (in case hostname resolves to multiple IPs)
    `int` | `getPort()` Returns the TCP or UDP port on which the service is to be found
    `int` | `getPriority()` Returns the priority of the target host, lower value means more preferred.
    `long` | `getTtl()` Returns standard DNS time to live field.
    `int` | `getWeight()` Returns relative weight for records with the same priority.
    `String` | `toString()` Returns string interpretation of the DNS entry

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### DNSEntry

          public DNSEntry(String hostname,
                          String ip)

      Constructs DNS entry with hostname and IP to which it resolves.
      Parameters:
        `hostname` - the domain name for which this record is valid
        `ip` - `IP address` of the machine providing the service.

    - #### DNSEntry

          public DNSEntry(String hostname,
                          String[] ips)

      Constructs DNS entry with hostname and multiple IP to which it resolves.
      Parameters:
        `hostname` - the domain name for which this record is valid
        `ips` - Array of all `IP addresses` on which target host provide service.

    - #### DNSEntry

          public DNSEntry(String hostname,
                          String ip,
                          int port)

      Constructs DNS entry with hostname, IP to which it resolves and a default port number used for connections.
      Parameters:
        `hostname` - the domain name for which this record is valid
        `ip` - `IP address` of the machine providing the service.
        `port` - the TCP or UDP port on which the service is to be found

    - #### DNSEntry

          public DNSEntry(String hostname,
                          String[] ips,
                          int port)

      Constructs DNS entry with hostname, IPs to which it resolves and a default port number used for connections.
      Parameters:
        `hostname` - the domain name for which this record is valid
        `ips` - `IP addresses` of the machines providing the service.
        `port` - the TCP or UDP port on which the service is to be found

    - #### DNSEntry

          public DNSEntry(String hostname,
                          String dnsResultHost,
                          String ip,
                          int port,
                          long ttl,
                          int priority,
                          int weight)

      Constructs complete SRV DNS entry.
      Parameters:
        `hostname` - the domain name for which this record is valid
        `dnsResultHost` - the canonical hostname of the machine providing the service.
        `ip` - `IP address` of the machine providing the service.
        `port` - the TCP or UDP port on which the service is to be found
        `ttl` - standard DNS time to live field.
        `priority` - the priority of the target host, lower value means more preferred.
        `weight` - relative weight for records with the same priority.

    - #### DNSEntry

          public DNSEntry(String hostname,
                          String dnsResultHost,
                          String[] ips,
                          int port,
                          long ttl,
                          int priority,
                          int weight)

      Constructs complete SRV DNS entry.
      Parameters:
        `hostname` - the domain name for which this record is valid
        `dnsResultHost` - the canonical hostname of the machine providing the service.
        `ips` - Array of all `IP addresses` on which target host provide service.
        `port` - the TCP or UDP port on which the service is to be found
        `ttl` - standard DNS time to live field.
        `priority` - the priority of the target host, lower value means more preferred.
        `weight` - relative weight for records with the same priority.

  - ### Method Detail

    - #### getDnsResultHost

          public String getDnsResultHost()

      Returns the domain name for which this record is valid
      Returns:
        the domain name for which this record is valid

    - #### getHostname

          public String getHostname()

      Returns the canonical hostname of the machine providing the service.
      Returns:
        the canonical hostname of the machine providing the service.

    - #### getIp

          public String getIp()

      Returns `IP address` of the machine providing the service.
      Returns:
        `IP address` of the machine providing the service.

    - #### getIps

          public String[] getIps()

      Returns array containing all `IP addresses` on which service is available (in case hostname resolves to multiple IPs)
      Returns:
        array containing all `IP addresses` on which service is available

    - #### getPort

          public int getPort()

      Returns the TCP or UDP port on which the service is to be found
      Returns:
        the TCP or UDP port on which the service is to be found

    - #### getPriority

          public int getPriority()

      Returns the priority of the target host, lower value means more preferred.
      Returns:
        the priority of the target host, lower value means more preferred.

    - #### getTtl

          public long getTtl()

      Returns standard DNS time to live field.
      Returns:
        standard DNS time to live field.

    - #### getWeight

          public int getWeight()

      Returns relative weight for records with the same priority.
      Returns:
        relative weight for records with the same priority.

    - #### toString

          public String toString()

      Returns string interpretation of the DNS entry
      Overrides:
        `toString` in class `Object`
      Returns:
        string interpretation of the DNS entry

    - #### compareTo

          public int compareTo(DNSEntry o)

      Specified by:
        `compareTo` in interface `Comparable<DNSEntry>`

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