//An instance of this class provides methods to analyze a full name
// The name may have any number (1 or more) of name parts.
// The analyzer processes only the first, second and last.
//PUBLIC INTERFACE
// Constructor
//    NameAnalyzer(String name)
//    @parameter name: 1 or more name parts separated by 1 or more spaces
//                     Exception if parameter name has no printable chars
// Accessor
//    String getName()
// Other Methods
//    String firstName()   : 1st name part
//    String secondName()  : 2nd name part, null if 2 or fewer parts
//    String lastName()    : last name part, null if 1 part only
//    String briefName()   : in the format First S. Last
//    String listName()    : in the format Last, First S.
//    String initials()    : in the format FSL, or FL, or F based on # of name parts
//    String fullName()    : all name parts, capitalized, separated by 1 space
//
import javax.swing.*;
public class NameAnalyzer
{
   //Instance Variable
   private String name;
   
   //Constructor
   public NameAnalyzer(String name)
   {
      this.name = name.trim();
      if ( this.name.length() < 1 )
         throw new RuntimeException("No-Name");
   }
   
   //Accessor
   public String getName()
   {
      return this.name;
   }
   
   //Returns the first name part of the instance variable
   public String firstName()
   {
      String firstPart = name;
      
      int spaceIndex = this.name.indexOf(' ');
      if (spaceIndex != -1)
         firstPart = this.name.substring(0, spaceIndex);
         
      return capitalized(firstPart);
   }
   
   //Returns the last name part of the instance variable
   // or null if the instance variable has only 1 part
   public String lastName()
   {
      int spaceIndex = this.name.lastIndexOf(' ');
      
      if (spaceIndex == -1)
         return null;
         
      return capitalized(this.name.substring(spaceIndex + 1));
   }
   
   //Returns the second name part of this instance variable
   // or null if the instance variable has fewer than 3 parts
   public String secondName()
   {
      int spaceIndex = this.name.indexOf(' ');
      if (spaceIndex == -1)
         return null;
         
      String remainder = this.name.substring(spaceIndex).trim();
      
      spaceIndex = remainder.indexOf(' ');
      if (spaceIndex == -1)
         return null;
         
      return capitalized(remainder.substring(0, spaceIndex));
   }
   
   //Returns the usual abbreviated format of the instance variable
   // First S. Last  3 or more name parts (S is the 2nd name initial)
   // First Last     exactly 2 name parts
   // First          only 1 name part
   public String briefName()
   {
      String name = this.firstName();
      
      if (this.secondName() != null)
         name = name + " " + this.secondName().charAt(0) + ".";
         
      if (this.lastName() != null)
         name = name + " " + this.lastName();
         
      return name;
   }
   
   //Returns the listing format of the instance variable
   // Last, First S. 3 or more name parts (S is the 2nd name initial)
   // Last, First    exactly 2 name parts
   // First          only 1 name part
   public String listName()
   {
      if (this.lastName() == null)
         return this.firstName();
         
      String name = this.lastName() + ", " + this.firstName();
      if (this.secondName() != null)
         name = name + ' ' + this.secondName().charAt(0) + '.';
         
      return name;
   }
   
   //Returns the initials of the first, second and last names
   // FSL   3 or more name parts (S is the 2nd name initial)
   // FL    exactly 2 name parts
   // F     only 1 name part
   public String initials()
   {
      return "" + this.firstName().charAt(0) +
             (this.secondName() == null ? "" : this.secondName().charAt(0)) +
             (this.lastName() == null ? "" : this.lastName().charAt(0));
   }
   
   public String fullName()
   {
      return standardForm(this.name);
   }
   
   //Returns a full name (all name parts) in standard form:
   // (a) capitalized name parts
   // (b) exactly 1 space between consectutive name parts
   // (c) no leading or trailing white-space
   private static String standardForm(String name)
   {
      int index = name.indexOf(' ');
      
      if (index == -1)
         return capitalized(name);
      
      return capitalized( name.substring(0, index) ) + ' ' + 
             standardForm(name.substring(index).trim() );
   }
   
   //Returns a simple name with 
   // (a) first letterin uppercase
   // (b) all other letters lowercase                
   private static String capitalized (String name)
   {
      return name.substring(0, 1).toUpperCase() +
             name.substring(1).toLowerCase();
   }
}