45     /**
  46      * @serial
  47      * @since 1.4
  48      */
  49     private String defaultName;
  50     /**
  51      * @serial
  52      * @since 1.4
  53      */
  54     private String inputName;
  55 
  56     /**
  57      * Construct a {@code NameCallback} with a prompt.
  58      *
  59      * @param prompt the prompt used to request the name.
  60      *
  61      * @exception IllegalArgumentException if {@code prompt} is null
  62      *                  or if {@code prompt} has a length of 0.
  63      */
  64     public NameCallback(String prompt) {
  65         if (prompt == null || prompt.length() == 0)
  66             throw new IllegalArgumentException();
  67         this.prompt = prompt;
  68     }
  69 
  70     /**
  71      * Construct a {@code NameCallback} with a prompt
  72      * and default name.
  73      *
  74      * @param prompt the prompt used to request the information.
  75      *
  76      * @param defaultName the name to be used as the default name displayed
  77      *                  with the prompt.
  78      *
  79      * @exception IllegalArgumentException if {@code prompt} is null,
  80      *                  if {@code prompt} has a length of 0,
  81      *                  if {@code defaultName} is null,
  82      *                  or if {@code defaultName} has a length of 0.
  83      */
  84     public NameCallback(String prompt, String defaultName) {
  85         if (prompt == null || prompt.length() == 0 ||
  86             defaultName == null || defaultName.length() == 0)
  87             throw new IllegalArgumentException();
  88 
  89         this.prompt = prompt;
  90         this.defaultName = defaultName;
  91     }
  92 
  93     /**
  94      * Get the prompt.
  95      *
  96      * @return the prompt.
  97      */
  98     public String getPrompt() {
  99         return prompt;
 100     }
 101 
 102     /**
 103      * Get the default name.
 104      *
 105      * @return the default name, or null if this {@code NameCallback}
 106      *          was not instantiated with a {@code defaultName}.

  45     /**
  46      * @serial
  47      * @since 1.4
  48      */
  49     private String defaultName;
  50     /**
  51      * @serial
  52      * @since 1.4
  53      */
  54     private String inputName;
  55 
  56     /**
  57      * Construct a {@code NameCallback} with a prompt.
  58      *
  59      * @param prompt the prompt used to request the name.
  60      *
  61      * @exception IllegalArgumentException if {@code prompt} is null
  62      *                  or if {@code prompt} has a length of 0.
  63      */
  64     public NameCallback(String prompt) {
  65         if (prompt == null || prompt.isEmpty())
  66             throw new IllegalArgumentException();
  67         this.prompt = prompt;
  68     }
  69 
  70     /**
  71      * Construct a {@code NameCallback} with a prompt
  72      * and default name.
  73      *
  74      * @param prompt the prompt used to request the information.
  75      *
  76      * @param defaultName the name to be used as the default name displayed
  77      *                  with the prompt.
  78      *
  79      * @exception IllegalArgumentException if {@code prompt} is null,
  80      *                  if {@code prompt} has a length of 0,
  81      *                  if {@code defaultName} is null,
  82      *                  or if {@code defaultName} has a length of 0.
  83      */
  84     public NameCallback(String prompt, String defaultName) {
  85         if (prompt == null || prompt.isEmpty() ||
  86             defaultName == null || defaultName.isEmpty())
  87             throw new IllegalArgumentException();
  88 
  89         this.prompt = prompt;
  90         this.defaultName = defaultName;
  91     }
  92 
  93     /**
  94      * Get the prompt.
  95      *
  96      * @return the prompt.
  97      */
  98     public String getPrompt() {
  99         return prompt;
 100     }
 101 
 102     /**
 103      * Get the default name.
 104      *
 105      * @return the default name, or null if this {@code NameCallback}
 106      *          was not instantiated with a {@code defaultName}.