/* 
    P/P   *  Method: com.dmdirc.addons.dns.DNSCommand__static_init
          */
     1  /*
     2   * Copyright (c) 2006-2009 Chris Smith, Shane Mc Cormack, Gregory Holmes
     3   *
     4   * Permission is hereby granted, free of charge, to any person obtaining a copy
     5   * of this software and associated documentation files (the "Software"), to deal
     6   * in the Software without restriction, including without limitation the rights
     7   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     8   * copies of the Software, and to permit persons to whom the Software is
     9   * furnished to do so, subject to the following conditions:
    10   *
    11   * The above copyright notice and this permission notice shall be included in
    12   * all copies or substantial portions of the Software.
    13   *
    14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    20   * SOFTWARE.
    21   */
    22  
    23  package com.dmdirc.addons.dns;
    24  
    25  import com.dmdirc.commandparser.CommandArguments;
    26  import com.dmdirc.commandparser.CommandManager;
    27  import com.dmdirc.commandparser.commands.GlobalCommand;
    28  import com.dmdirc.ui.interfaces.InputWindow;
    29  
    30  import java.util.Timer;
    31  import java.util.TimerTask;
    32  
    33  /**
    34   * Performs DNS lookups for nicknames, hostnames or IPs.
    35   */
         /* 
    P/P   *  Method: void access$100(DNSCommand, InputWindow, bool, String, Object[])
          * 
          *  Preconditions:
          *    x0 != null
          */
    36  public final class DNSCommand extends GlobalCommand {
    37      
    38      /** Creates a new instance of DNSCommand. */
    39      public DNSCommand() {
                 /* 
    P/P           *  Method: void com.dmdirc.addons.dns.DNSCommand()
                  */
    40          super();
    41          
    42          CommandManager.registerCommand(this);
    43      }
    44      
    45      /** {@inheritDoc} */
    46      @Override
    47      public void execute(final InputWindow origin, final boolean isSilent,
    48              final CommandArguments args) {
                 /* 
    P/P           *  Method: void execute(InputWindow, bool, CommandArguments)
                  * 
                  *  Preconditions:
                  *    args != null
                  * 
                  *  Presumptions:
                  *    com.dmdirc.commandparser.CommandArguments:getArguments(...).length@54 >= 1
                  *    com.dmdirc.commandparser.CommandArguments:getArguments(...)@49 != null
                  *    com.dmdirc.commandparser.CommandArguments:getArguments(...)@54 != null
                  * 
                  *  Test Vectors:
                  *    com.dmdirc.commandparser.CommandArguments:getArguments(...).length@49: {1..+Inf}, {0}
                  */
    49          if (args.getArguments().length == 0) {
    50              showUsage(origin, isSilent, "dns", "<IP|hostname>");
    51              return;
    52          }
    53          
    54          sendLine(origin, isSilent, FORMAT_OUTPUT, "Resolving: " + args.getArguments()[0]);
                 /* 
    P/P           *  Method: void com.dmdirc.addons.dns.DNSCommand$1(DNSCommand, CommandArguments, InputWindow, bool)
                  * 
                  *  Postconditions:
                  *    this.val$args == Param_2
                  *    init'ed(this.val$args)
                  *    this.val$isSilent == Param_4
                  *    init'ed(this.val$isSilent)
                  *    this.val$origin == Param_3
                  *    init'ed(this.val$origin)
                  */
    55          new Timer("DNS Command Timer").schedule(new TimerTask() {
    56              /** {@inheritDoc} */
    57              @Override
    58              public void run() {
                         /* 
    P/P                   *  Method: void run()
                          * 
                          *  Preconditions:
                          *    this.val$args != null
                          * 
                          *  Presumptions:
                          *    com.dmdirc.commandparser.CommandArguments:getArguments(...).length@59 >= 1
                          *    com.dmdirc.commandparser.CommandArguments:getArguments(...).length@60 >= 1
                          *    com.dmdirc.commandparser.CommandArguments:getArguments(...).length@64 >= 1
                          *    com.dmdirc.commandparser.CommandArguments:getArguments(...)@59 != null
                          *    com.dmdirc.commandparser.CommandArguments:getArguments(...)@60 != null
                          *    ...
                          * 
                          *  Test Vectors:
                          *    java.lang.String:matches(...)@59: {0}, {1}
                          */
    59                  if (args.getArguments()[0].matches("\\b(?:\\d{1,3}\\.){3}\\d{1,3}\\b")) {
    60                      sendLine(origin, isSilent, FORMAT_OUTPUT, "Resolved: "
    61                              + args.getArguments()[0] + ": "
    62                              + DNSPlugin.getHostname(args.getArguments()[0]));
    63                  } else {
    64                      sendLine(origin, isSilent, FORMAT_OUTPUT, "Resolved: "
    65                              + args.getArguments()[0] + ": "
    66                              + DNSPlugin.getIPs(args.getArguments()[0]));
    67                  }
    68              }
    69          }, 0);
    70      }
    71      
    72      /** {@inheritDoc} */
    73      @Override
    74      public String getName() {
                 /* 
    P/P           *  Method: String getName()
                  * 
                  *  Postconditions:
                  *    return_value == &amp;"dns"
                  */
    75          return "dns";
    76      }
    77      
    78      /** {@inheritDoc} */
    79      @Override
    80      public boolean showInHelp() {
                 /* 
    P/P           *  Method: bool showInHelp()
                  * 
                  *  Postconditions:
                  *    return_value == 1
                  */
    81          return true;
    82      }
    83      
    84      /** {@inheritDoc} */
    85      @Override
    86      public String getHelp() {
                 /* 
    P/P           *  Method: String getHelp()
                  * 
                  *  Postconditions:
                  *    return_value == &amp;"dns <IP|hostname> - Performs DNS lookup of the specified ip.hostname.nickname"
                  */
    87          return "dns <IP|hostname> - Performs DNS lookup of the specified ip/hostname/nickname";
    88      }
    89      
    90  }