Java- Object-Oriented and Concurrent Programming

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src/Artifact.java

src/Artifact.java

class   Artifact   extends   Cave   {
     public   int  creatureIndex  =   0 ;

     public   Artifact ( int  index ,   String  type ,   int  creatureIndex )   {
         super ( type ,  index );
         this . creatureIndex  =  creatureIndex ;
     }

    @ Override
     public   String  toString ()   {
         // Return neater output of the class data
         return   "[Artifact]: \n\tOwner Index = "
                 +   Integer . toString ( this . creatureIndex )
                 +   " \n\tArtifact Type = "   +   this . type ;
     }
}

src/Cave.java

src/Cave.java

public   class   Cave   {
     public   int  index  =   0 ;
     public   String  type  =   null ;
     public   String  name  =   null ;

     /***
     * Constructor
     *  @param  index
     */
     public   Cave ( int  index )   {
         this . index  =  index ;
     }

     public   Cave ( int  index ,   String  type ,   String  name )   {
         this . index  =  index ;
         this . type  =  type ;
         this . name  =  name ;
     }

     public   Cave ( int  index ,   String  name )   {
         this . index  =  index ;
         this . name  =  name ;
     }

     public   Cave ( String  type ,   int  index )   {
         this . index  =  index ;
         this . type  =  type ;
     }

}

src/Creature.java

src/Creature.java

import  java . awt . BorderLayout ;
import  java . awt . event . ActionEvent ;
import  java . awt . event . ActionListener ;
import  java . util . ArrayList ;

import  javax . swing . JButton ;
import  javax . swing . JFrame ;
import  javax . swing . JLabel ;
import  javax . swing . JOptionPane ;
import  javax . swing . JPanel ;
import  javax . swing . JProgressBar ;

class   Creature   extends   Cave   implements   ActionListener , Runnable   {
     public   int  partyIndex  =   0 ;
     public   int  empathyValue ;
     public   int  fearValue ;
     public   double  carryingCapacity ;
     public   int  age ;
     public   int  weight ;
     public   double  height ;
     public   ArrayList < Treasure >  treasures  =   new   ArrayList < Treasure > ();
     public   ArrayList < Artifact >  artifacts  =   new   ArrayList < Artifact > ();
     public   ArrayList < Jobs >  jobs  =   new   ArrayList < Jobs > ();
     public   long  jobTime  =   0 ;
     public   Jobs  currentJob  =   null ;
     public   volatile   boolean  runJob  =   false ;
     public   volatile   boolean  cancelJob  =   false ;

     JButton  cancelButton  =   new   JButton ( "Cancel Job" );
     JButton  startButton  =   new   JButton ( "Start Job" );

     public   Creature ( int  index ,   String  type ,   String  name ,   int  partyIndex ,
             int  empathyValue ,   int  fearValue ,   double  carryingCapacity )   {
         super ( index ,  type ,  name );
         this . partyIndex  =  partyIndex ;
         this . empathyValue  =  empathyValue ;
         this . fearValue  =  fearValue ;
         this . carryingCapacity  =  carryingCapacity ;
     }

     public   Creature ( int  index ,   String  type ,   String  name ,   int  partyIndex ,
             int  empathyValue ,   int  fearValue ,   double  carryingCapacity ,   int  age ,
             int  weight ,   double  height )   {
         super ( index ,  type ,  name );
         this . partyIndex  =  partyIndex ;
         this . empathyValue  =  empathyValue ;
         this . fearValue  =  fearValue ;
         this . carryingCapacity  =  carryingCapacity ;
         this . age  =  age ;
         this . weight  =  weight ;
         this . height  =  height ;
     }

     public   void  addTreature ( Treasure  t )   {
         if   ( t  !=   null   &&  t  instanceof   Treasure   &&  t . creatureIndex  !=   0 )   {
             this . treasures . add ( t );
         }
     }

     public   void  addArtifact ( Artifact  a )   {
         if   ( a  !=   null   &&  a  instanceof   Artifact   &&  a . creatureIndex  !=   0 )   {
             this . artifacts . add ( a );
         }
     }

    @ Override
     public   String  toString ()   {
         String  output  =   "" ;
        output  +=   "[Creature]: \n\tType = "   +   this . type  +   " \n\tName = "
                 +   this . name  +   " \n\tParty Index = "
                 +   Integer . toString ( this . partyIndex )   +   " \n\tEmpathy Value = "
                 +   Integer . toString ( this . empathyValue )   +   " \n\tFear Value = "
                 +   Integer . toString ( this . fearValue )
                 +   " \n\tCarrying Capacity = "
                 +   Double . toString ( this . carryingCapacity );
        output  +=   "\n\t------Owned Items------\n" ;
         for   ( Treasure  t  :   this . treasures )
            output  +=   "\n\t"   +  t . toString ();
         for   ( Artifact  a  :   this . artifacts )
            output  +=   "\n\t"   +  a . toString ();
        output  +=   "\n\t-----------------------\n" ;
         return  output ;
     }

     public   void  addJob ( long  time ,   Jobs  j )   {
         this . jobTime  =  time ;
         this . currentJob  =  j ;
         this . jobs . add ( j );
     }

     public   void  run ()   {
         JProgressBar  progressBar  =   new   JProgressBar ();
        progressBar . setStringPainted ( true );
        cancelButton . addActionListener ( this );
        startButton . addActionListener ( this );
         JFrame  jf  =   new   JFrame ( "Creature "   +   this . name  +   "'s Job" );
        jf . add ( new   JLabel ( " Performing Job: "   +   this . currentJob . name ),
                 BorderLayout . PAGE_START );
        jf . add ( progressBar ,   BorderLayout . CENTER );
         JPanel  btnPanel  =   new   JPanel ();
        btnPanel . add ( startButton );
        btnPanel . add ( cancelButton );
        jf . add ( btnPanel ,   BorderLayout . SOUTH );
        jf . pack ();

        jf . setVisible ( true );

        jf . setDefaultCloseOperation ( JFrame . DISPOSE_ON_CLOSE );
        jf . setLocationRelativeTo ( null );
         System . out . println ( "Starting Job: "   +   this . currentJob . name );
         System . out . println ( "Job Duration: "   +   this . jobTime );

         Thread  jobThread  =   Thread . currentThread ();
         while   ( ! this . runJob )   {
            jobThread . yield ();
         }
         long  currentTime  =   System . currentTimeMillis ();
         long  startTime  =  currentTime ;
         long  stopTime  =  currentTime  +   1000   *  jobTime ;
         System . out . println ( "Stop time: "   +  stopTime );
         double  duration  =  stopTime  -  currentTime ;
         while   ( currentTime  <  stopTime )   {
             if   ( this . cancelJob  ==   true   &&  jobThread  !=   null )   {
                jobThread . interrupt ();
                 JOptionPane . showMessageDialog ( null ,   "Job Cancelled!" );
                jf . dispose ();
                 break ;
             }   else   {
                 try   {
                    jobThread . sleep ( 100 );
                 }   catch   ( InterruptedException  e )   {
                 }
                progressBar
                         . setValue (( int )   ((( currentTime  -  startTime )   /  duration )   *   100 ));
                currentTime  =   System . currentTimeMillis ();
             }
         }
         if   ( ! this . cancelJob )   {
            progressBar . setValue ( 100 );
         }
        jf . dispose ();
     }

    @ Override
     public   void  actionPerformed ( ActionEvent  e )   {
         if   ( e . getSource ()   ==  cancelButton )   {
             this . cancelJob  =   true ;
             this . runJob  =   false ;
         }   else   if   ( e . getSource ()   ==  startButton )   {
             this . runJob  =   true ;
             this . cancelJob  =   false ;
         }
     }
}

src/CreatureComp.java

src/CreatureComp.java

import  java . util . Comparator ;

public   class   CreatureComp   implements   Comparator < Creature >   {

     private   String  attribute ;

     public   CreatureComp ( String  attribute )   {
         this . attribute  =  attribute ;
     }

     public   int  compare ( Creature  c1 ,   Creature  c2 )   {
         int  result  =   - 1 ;
         switch   ( attribute . charAt ( 0 ))   {
         case   'e' :
             if   ( c1 . empathyValue  ==  c2 . empathyValue )   {
                result  =   0 ;
             }   else   if   ( c1 . empathyValue  >  c2 . empathyValue )   {
                result  =   1 ;
             }   else   {
                result  =   - 1 ;
             }
             break ;
         case   'f' :
             if   ( c1 . fearValue  ==  c2 . fearValue )   {
                result  =   0 ;
             }   else   if   ( c1 . fearValue  >  c2 . fearValue )   {
                result  =   1 ;
             }   else   {
                result  =   - 1 ;
             }
             break ;
         case   'c' :
             if   ( c1 . carryingCapacity  ==  c2 . carryingCapacity )   {
                result  =   0 ;
             }   else   if   ( c1 . carryingCapacity  >  c2 . carryingCapacity )   {
                result  =   1 ;
             }   else   {
                result  =   - 1 ;
             }
             break ;
         case   'a' :
             if   ( c1 . age  ==  c2 . age )   {
                result  =   0 ;
             }   else   if   ( c1 . age  >  c2 . age )   {
                result  =   1 ;
             }   else   {
                result  =   - 1 ;
             }
             break ;

         case   'h' :
             if   ( c1 . height  ==  c2 . height )   {
                result  =   0 ;
             }   else   if   ( c1 . height  >  c2 . height )   {
                result  =   1 ;
             }   else   {
                result  =   - 1 ;
             }
             break ;

         case   'w' :
             if   ( c1 . weight  ==  c2 . weight )   {
                result  =   0 ;
             }   else   if   ( c1 . weight  >  c2 . weight )   {
                result  =   1 ;
             }   else   {
                result  =   - 1 ;
             }
             break ;
         default :
             if   ( c1 . carryingCapacity  ==  c2 . carryingCapacity )   {
                result  =   0 ;
             }   else   if   ( c1 . carryingCapacity  >  c2 . carryingCapacity )   {
                result  =   1 ;
             }   else   {
                result  =   - 1 ;
             }
             break ;
         }
         return  result ;
     }
}

src/Game.java

src/Game.java


import  java . io . File ;
import  java . io . IOException ;
import  java . util . ArrayList ;
import  java . util . Collections ;
import  java . util . HashMap ;
import  java . util . Iterator ;
import  java . util . List ;
import  java . util . Map ;
import  java . util . Scanner ;
import  java . util . Set ;


public   class   Game   {
     private   String  fileName ;
     private   HashMap < Integer ,   Cave >  caveElements  =   new   HashMap < Integer ,   Cave > ();
     public   ArrayList < Cave >  loners  =   new   ArrayList < Cave > ();
     public   ArrayList < Party >  parties  =   new   ArrayList < Party > ();
     Party  party ;
     Creature  creature ;
     Treasure  treasure ;
     Artifact  artifact ;

     public   Game ()   {

     }

     public   Game ( String  dataFileName )   throws   IOException   {
         this . fileName  =  dataFileName ;
         this . loadFileData ( dataFileName );
     }

    
       //searches the game elements for the input criteria
        public   String  searchGame ( String  searchInput ){
            String  result  =   "" ;
            ArrayList < Cave >  printElements  =   new   ArrayList < Cave > ();
           printElements . addAll ( caveElements . values ());
           printElements . addAll ( loners );
            for   ( Cave  ge  :  printElements ){
                     if   ( ge . index  !=   0   &&  searchInput  !=   null   &&   Integer . toString ( ge . index ). equals ( searchInput )){
                   result  +=  ge . toString ()   +   "\n" ;
                } else   if ( ge . type  !=   null   &&  searchInput  !=   null   &&  ge . type . toLowerCase (). equals ( searchInput . toLowerCase ())){
                   result  +=  ge . toString ()   +   "\n" ;  
                } else   if ( ge . name  !=   null   &&  searchInput  !=   null   &&  ge . name . toLowerCase (). equals ( searchInput . toLowerCase ())){
                   result  +=  ge . toString ()   +   "\n" ;
                }   
              }
             return  result ;
        }
     public   String  printAll ()   {
         String  output  =   "" ;
         ArrayList < Cave >  printElements  =   new   ArrayList < Cave > ();
        printElements . addAll ( caveElements . values ());
         for   ( Cave  ge  :  printElements )   {
             if   ( ge  instanceof   Party )   {
                 Party  p  =   ( Party )  ge ;
                output  +=  p . toString ();
             }
         }
        output  +=   "\n-----------------\nLoners\n-----------------\n" ;
         for   ( Cave  ge  :  loners )   {
            output  +=   "\n"   +  ge . toString ();
         }
         return  output ;
     }


     public   void  setGameElements ( String  fileName )   throws   IOException   {
         this . loadFileData ( fileName );
     }

     public   void  setFileName ( String  fileName )   {
         this . fileName  =  fileName ;
     }

     public   String  getFileName ()   {
         return   this . fileName ;
     }

    
       //Prints the elements, sorted by the critera and the object they belong to
     public   String  printSortedElements ( String  object ){
        String  result  =   "" ;
        Set  elementSet  =  caveElements . entrySet ();
             Iterator  i  =  elementSet . iterator ();             
             while ( i . hasNext ()){
                 Map . Entry  g  =   ( Map . Entry ) i . next ();
                 Cave  ge  =   ( Cave ) g . getValue ();
                 if   ( ge  instanceof   Party ){
                    Party  p  =   ( Party ) ge ;                    
                    if   ( "empathy" . equals ( object )   ||   "carrying" . equals ( object )   ||   "fear" . equals ( object )   ||   "name" . equals ( object )   ||   "age" . equals ( object )   ||   "height" . equals ( object )   ||   "weight" . equals ( object )){                            
                             Collections . sort ( p . creatures ,   new   CreatureComp ( object ));  
                        }
                    if   ( "value" . equals ( object )){
                                 for   ( Creature  c  :  p . creatures ){
                                    Collections . sort ( c . treasures ,   new   TreasureComp ( object ));
                                 }
                        }
                   result  +=  p . toString ();
                 }
             }
            result  +=   "\n---------------------\nLoners\n-------------------\n" ;
             for   ( Cave  geLoner  :  loners ){
                 result  +=  geLoner . toString ();                  
             }

         return  result ;
     }
    
     public   void  addJob ( int  index ,   String  name ,   int  creatureIndex ,   long  time ){
         Jobs  j  =   new   Jobs ( index ,  name ,  creatureIndex ,  time );
        caveElements . put ( index ,  j );
         Creature  c  =   ( Creature ) caveElements . get ( creatureIndex );         
        c . addJob ( time ,  j );
         Thread  t  =   new   Thread ( c );
        t . start ();
     }

     private   void  loadFileData ( String  fileName )   throws   IOException   {
         List < String >  lines  = new   ArrayList < String > ();
        
         File  file  = new   File ( fileName );
         Scanner  scanner = new   Scanner ( file );
         while ( scanner . hasNext ()){
            lines . add ( scanner . nextLine ());
         }
        
        
         for   ( String  line  :  lines )   {
            line  =  line . replaceAll ( "\\s" ,   "" );
             if   ( ! line . startsWith ( "//" )   &&  line . length ()   >   0 )   {
                 String []  lineparts  =  line . split ( ":" );
                 switch   ( lineparts [ 0 ]. charAt ( 0 ))   {
                 case   'p' :
                    party  =   new   Party ( Integer . parseInt ( lineparts [ 1 ]),  lineparts [ 2 ]);
                     this . caveElements . put ( party . index ,  party );
                    parties . add ( party );
                     break ;
                 case   'c' :
                    creature  =   new   Creature ( Integer . parseInt ( lineparts [ 1 ]),
                            lineparts [ 2 ],  lineparts [ 3 ],
                             Integer . parseInt ( lineparts [ 4 ]),
                             Integer . parseInt ( lineparts [ 5 ]),
                             Integer . parseInt ( lineparts [ 6 ]),
                             Double . parseDouble ( lineparts [ 7 ]));
                     if   ( lineparts . length  >   8   &&  lineparts [ 8 ]   !=   null )   {
                        creature . age  =   Integer . parseInt ( lineparts [ 8 ]);
                     }
                     if   ( lineparts . length  >   9   &&  lineparts [ 9 ]   !=   null )   {
                        creature . height  =   Double . parseDouble ( lineparts [ 9 ]);
                     }
                     if   ( lineparts . length  >   10   &&  lineparts [ 10 ]   !=   null )   {
                        creature . weight  =   Integer . parseInt ( lineparts [ 10 ]);
                     }
                     Party  creatureParty  =   ( Party )  caveElements
                             . get ( creature . partyIndex );
                     if   ( creatureParty  ==   null   ||  creature . partyIndex  ==   0 )   {
                         this . loners . add ( creature );
                     }   else   {
                        creatureParty . addCreature ( creature );
                     }
                     this . caveElements . put ( creature . index ,  creature );
                     break ;
                 case   't' :
                    treasure  =   new   Treasure ( Integer . parseInt ( lineparts [ 1 ]),
                            lineparts [ 2 ],   Integer . parseInt ( lineparts [ 3 ]),
                             Double . parseDouble ( lineparts [ 4 ]),
                             Double . parseDouble ( lineparts [ 5 ]));
                     Creature  treasureCreature  =   ( Creature )  caveElements
                             . get ( treasure . creatureIndex );
                     if   ( treasureCreature  ==   null   ||  treasure . creatureIndex  ==   0 )   {
                         this . loners . add ( treasure );
                     }   else   {
                        treasureCreature . addTreature ( treasure );
                     }
                     this . caveElements . put ( treasure . index ,  treasure );
                     break ;
                 case   'a' :
                    artifact  =   new   Artifact ( Integer . parseInt ( lineparts [ 1 ]),
                            lineparts [ 2 ],   Integer . parseInt ( lineparts [ 3 ]));
                     Creature  artifactCreature  =   ( Creature )  caveElements
                             . get ( artifact . creatureIndex );
                     if   ( artifactCreature  ==   null   ||  artifact . creatureIndex  ==   0 )   {
                         this . loners . add ( artifact );
                     }   else   if   ( artifact . creatureIndex  !=   0 )   {
                        artifactCreature . addArtifact ( artifact );
                     }
                     this . caveElements . put ( artifact . index ,  artifact );
                     break ;
                 case   'j' :
                    addJob ( Integer . parseInt ( lineparts [ 1 ]),  lineparts [ 2 ],   Integer . parseInt ( lineparts [ 3 ]),   Long . parseLong ( lineparts [ 4 ]));                        
                     break ;
                 default :
                     break ;
                 }
             }
         }
     }

}

src/input.txt

// Jan 23, 2012 // Parties format: // p:<index>:<name> p : 10001 : Unity p : 10002 : Assemblage p : 10003 : Conglomeration // Creatures format: // c:<index>:<type>:<name>:<party>:<empathy>:<fear>:<carrying capacity> c : 20001 : Woman : Lucy :10001 : 17 : 22 : 20 c : 20002 : Woman : Jane :10001 : 22 : 15 : 25 c : 20003 : Woman : Nancy :10003 : 80 : 44 : 20 c : 20004 : Man : James :10002 : 35 : 13 : 50 c : 20005 : Troll : Fred :10002 : 03 : 05 : 150 c : 20006 : Warlock : Harry :10003 : 05 : 06 : 0 c : 20007 : Witch : Morgana:10001 : 10 : 15 : 0 // Treasures format: // t:<index>:<type>:<creature>:<weight>:<value> // creature = 0 means noone is carrying that treasure at the moment t : 30001 : Gold : 20004 : 50 : 2000 t : 30002 : Gold : 0 : 75 : 5000 t : 30003 : Gems : 20002 : 10 : 10000 t : 30004 : Silver : 20005 : 120 : 1000 // Artifacts format: // a:<index>:<type>:<creature>[:<name>] a : 40001 : Wand : 20007 : ElderWand a : 40002 : Wand : 20006 a : 40003 : Potion : 20007 j : 50001 : Heal Troll : 20007 : 10 : Wand : 1 : Stone : 2 : Scroll : 1

src/Jobs.java

src/Jobs.java

public   class   Jobs   extends   Cave   {
     public   int  creatureIndex  =   0 ;
     public   long  time  =   0 ;

     /**
     * Costructor
     *  @param  index
     *  @param  name
     *  @param  creatureIndex
     *  @param  time
     */
     public   Jobs ( int  index ,   String  name ,   int  creatureIndex ,   long  time )   {
         super ( index ,  name );
         this . creatureIndex  =  creatureIndex ;
         this . time  =  time ;
     }
}

src/Main.java

src/Main.java

import  java . awt . BorderLayout ;
import  java . awt . event . ActionEvent ;
import  java . awt . event . ActionListener ;
import  java . io . File ;
import  java . io . IOException ;
import  java . util . logging . Level ;
import  java . util . logging . Logger ;

import  javax . swing . JButton ;
import  javax . swing . JComboBox ;
import  javax . swing . JFileChooser ;
import  javax . swing . JFrame ;
import  javax . swing . JLabel ;
import  javax . swing . JOptionPane ;
import  javax . swing . JPanel ;
import  javax . swing . JScrollPane ;
import  javax . swing . JTextArea ;
import  javax . swing . JTextField ;
import  javax . swing . JTree ;
import  javax . swing . border . EmptyBorder ;
import  javax . swing . event . TreeSelectionEvent ;
import  javax . swing . event . TreeSelectionListener ;
import  javax . swing . tree . DefaultMutableTreeNode ;
import  javax . swing . tree . DefaultTreeCellRenderer ;

public   class   Main   extends   JFrame   implements   ActionListener   {

     /***/
     private   JTextArea  output ;

     /***/
     private   JFileChooser  fileChooser ;

     /***/
     private   JButton  loadButton ;
     /***/
     private   JButton  showData ;

     /***/
     private   JScrollPane  completePanel ;

     /***/
     private   JPanel  panel ;

     /***/
     private   Game  game ;

     JTextField  searchField ;
     JButton  searchButton ;
     JButton  sortButton ;
     String []  sortStrings  =   {   "empathy" ,   "carrying" ,   "fear" ,   "weight" ,   "value" ,
             "age" ,   "height"   };;
     JComboBox  sList ;
     JTree  gameTree ;
    
    
     DefaultMutableTreeNode  partyNode  =   null ;
     DefaultMutableTreeNode  creatureNode  =   null ;
     DefaultMutableTreeNode  artifactNode  =   null ;
     DefaultMutableTreeNode  treasureNode  =   null ;
     DefaultMutableTreeNode  lNode  =   null ;

     public   Main ( String  title )   {

        searchField  =   new   JTextField ( 20 );
        sortButton  =   new   JButton ( "Sort" );
        searchButton  =   new   JButton ( "Search" );

        sList  =   new   JComboBox ( sortStrings );

        game  =   new   Game ();
        panel  =   new   JPanel ();
        fileChooser  =   new   JFileChooser ( "." );
        output  =   new   JTextArea ();
        showData  =   new   JButton ( "Show Data" );
        loadButton  =   new   JButton ( "Load File" );

         this . loadButton . addActionListener ( this );
         this . showData . addActionListener ( this );
         this . searchButton . addActionListener ( this );
         this . sortButton . addActionListener ( this );

        completePanel  =   new   JScrollPane ( output );
        add ( completePanel ,   BorderLayout . CENTER );
        panel . add ( loadButton );
        panel . add ( showData );
        panel . add ( sortButton );
        panel . add ( sList );
        panel . add ( searchButton );
        panel . add ( searchField );
        add ( panel ,   BorderLayout . PAGE_END );

        setTitle ( title );
        setDefaultCloseOperation ( JFrame . EXIT_ON_CLOSE );
        setLocationRelativeTo ( null );
        setSize ( 400 ,   400 );
        setVisible ( true );

     }

    @ Override
     public   void  actionPerformed ( ActionEvent  e )   {
         if   ( e . getSource ()   ==  loadButton )   {
             int  returnVal  =  fileChooser . showOpenDialog ( this );
             if   ( returnVal  ==   JFileChooser . APPROVE_OPTION )   {
                 File  file  =  fileChooser . getSelectedFile ();
                 try   {
                    game . setGameElements ( file . getAbsolutePath ());
                     JOptionPane . showMessageDialog ( null ,
                             "Data Successfully Loaded!" );
                 }   catch   ( IOException  ex )   {
                     Logger . getLogger ( Main . class . getName ()). log ( Level . SEVERE ,
                             null ,  ex );
                 }
             }
         }   else   if   ( e . getSource ()   ==  showData )   {
             DefaultTreeCellRenderer  render  =   new   DefaultTreeCellRenderer ();
            render . setOpenIcon ( null );
            render . setClosedIcon ( null );
            render . setLeafIcon ( null );

             final   DefaultMutableTreeNode  rootNode  =   new   DefaultMutableTreeNode (
                     "Game/Cave" ,   true );
            gameTree  =   new   JTree ( rootNode );
            gameTree . setCellRenderer ( render );

             JScrollPane  sp  =   new   JScrollPane ( gameTree );
            gameTree . addTreeSelectionListener ( new   TreeSelectionListener ()   {
                @ Override
                 public   void  valueChanged ( TreeSelectionEvent  e )   {
                     if   ( rootNode  !=   null )   {
                         for   ( Party  p  :  game . parties )   {
                            partyNode  =   new   DefaultMutableTreeNode ( p . name ,   true );
                             if   ( ! p . creatures . isEmpty ())   {
                                 for   ( Creature  c  :  p . creatures )   {
                                    creatureNode  =   new   DefaultMutableTreeNode (
                                            c . name ,   true );
                                     if   ( ! c . artifacts . isEmpty ())   {
                                         for   ( Artifact  a  :  c . artifacts )   {
                                            artifactNode  =   new   DefaultMutableTreeNode (
                                                    a . type ,   false );
                                            creatureNode . add ( artifactNode );
                                         }
                                     }
                                     if   ( ! c . treasures . isEmpty ())   {
                                         for   ( Treasure  t  :  c . treasures )   {
                                            treasureNode  =   new   DefaultMutableTreeNode (
                                                    t . type ,   false );
                                            creatureNode . add ( treasureNode );
                                         }
                                     }
                                    partyNode . add ( creatureNode );
                                 }
                             }
                            rootNode . add ( partyNode );
                         }
                        lNode  =   new   DefaultMutableTreeNode ( "Loners" ,   true );
                         for   ( Cave  ge  :  game . loners )   {
                             if   ( ge  instanceof   Artifact
                                     ||  ge  instanceof   Treasure )   {
                                 DefaultMutableTreeNode  geNode  =   new   DefaultMutableTreeNode (
                                        ge . type ,   false );
                                lNode . add ( geNode );
                             }   else   {
                                 DefaultMutableTreeNode  geNode  =   new   DefaultMutableTreeNode (
                                        ge . name ,   false );
                                lNode . add ( geNode );
                             }
                         }
                        rootNode . add ( lNode );
                     }
                 }
             });

             JLabel  lbl  =   new   JLabel (
                     "Double-click the root node to load and view sub-nodes." );
             JFrame  showFrame  =   new   JFrame ( "Show Data: Game Tree" );
             JPanel  lblPanel  =   new   JPanel ();
            lblPanel . setBorder ( new   EmptyBorder ( 10 ,   10 ,   10 ,   10 ));
            lblPanel . add ( lbl );
            showFrame . add ( lblPanel ,   BorderLayout . NORTH );
            sp . setBorder ( new   EmptyBorder ( 10 ,   10 ,   10 ,   10 ));
            showFrame . add ( sp ,   BorderLayout . SOUTH );
            showFrame . pack ();
            showFrame . setVisible ( true );
            showFrame . setLocationRelativeTo ( null );
            showFrame . setDefaultCloseOperation ( JFrame . DISPOSE_ON_CLOSE );

         }   else   if   ( e . getSource ()   ==  searchButton )   {
            output . setText ( "" );
             String  resultText  =   "Search Results: \n------------\n" ;
             String  searchInput  =  searchField . getText ();
            resultText  +=  game . searchGame ( searchInput );
            output . setText ( resultText );
         }   else   if   ( e . getSource ()   ==  sortButton )   {
            output . setText ( "" );
             String  sortInput  =  sList . getSelectedItem (). toString ();
             String  resultText  =  game . printSortedElements ( sortInput );
            output . setText ( resultText );
         }
     }

     public   static   void  main ( String []  args )   {
         Main  p  =   new   Main ( "New Game" );
     }
}

src/Party.java

src/Party.java

import  java . util . ArrayList ;

public   class   Party   extends   Cave   {
     public   String  location ;
     public   ArrayList < Creature >  creatures  =   new   ArrayList < Creature > ();

     /***
     * Constructor
     *  @param  index
     *  @param  name
     */
     public   Party ( int  index ,   String  name )   {
         super ( index ,  name );
     }

     /***
     * 
     *  @param  c
     */
     public   void  addCreature ( Creature  c )   {
         if   ( c  !=   null   &&  c  instanceof   Creature )   {
             this . creatures . add ( c );
         }
     }

    @ Override
     public   String  toString ()   {
         String  output  =   "" ;
        output  +=   "Party: \nName = "   +   this . name  +   " \nIndex = "
                 +   Integer . toString ( this . index );
        output  +=   "\n---------Member Creatures---------\n" ;
         for   ( Creature  c  :   this . creatures )
            output  +=   "\n\t"   +  c . toString ();
        output  +=   "\n----------------------------------\n" ;
         return  output ;
     }
}

src/Treasure.java

src/Treasure.java


class   Treasure   extends   Cave   {
     public   int  creatureIndex  =   0 ;
     public   double  weight ;
     public   double  value ;
    
     /***
     * Constructor
     *  @param  index
     *  @param  type
     *  @param  creatureIndex
     *  @param  weight
     *  @param  value
     */
     public   Treasure ( int  index ,   String  type ,   int  creatureIndex ,   double  weight ,   double  value ){
         super ( type ,  index );
         this . creatureIndex  =  creatureIndex ;
         this . weight  =  weight ;
         this . value  =  value ;
     }
    
    @ Override
     public   String  toString (){
         return   "[Treasure]: \n\tType = "   +   this . type  +   " \n\tOwner Index = "   +   Integer . toString ( this . creatureIndex )   +   " \n\tWeight = "   +   Double . toString ( this . weight )   +   " \n\tValue = "   +   Double . toString ( this . value );
     }
}

src/TreasureComp.java

src/TreasureComp.java

import  java . util . Comparator ;

public   class   TreasureComp   implements   Comparator < Treasure >   {
     private   String  attribute ;

     public   TreasureComp ( String  attribute )   {
         // set the member variable for the attribute we will sort by
         this . attribute  =  attribute ;
     }

    @ Override
     public   int  compare ( Treasure  t1 ,   Treasure  t2 )   {
         int  result  =   - 1 ;
         // a switch statement for the member variable to handle multiple
         // criteria in a single class
         switch   ( attribute . charAt ( 0 ))   {
         case   'w' :
             if   ( t1 . weight  ==  t2 . weight )   {
                result  =   0 ;
             }   else   if   ( t1 . weight  >  t2 . weight )   {
                result  =   1 ;
             }   else   {
                result  =   - 1 ;
             }
             break ;
         case   'v' :
             if   ( t1 . value  ==  t2 . value )   {
                result  =   0 ;
             }   else   if   ( t1 . value  >  t2 . value )   {
                result  =   1 ;
             }   else   {
                result  =   - 1 ;
             }
             break ;
         default :
             if   ( t1 . value  ==  t2 . value )   {
                result  =   0 ;
             }   else   if   ( t1 . value  >  t2 . value )   {
                result  =   1 ;
             }   else   {
                result  =   - 1 ;
             }
             break ;
         }
         return  result ;
     }
}