Package jam.util

Class Utils

  • public class Utils
extends java.lang.Object

    • Constructor Summary

      Constructors 
      Constructor Description
      Utils()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void centerComponent​(java.awt.Component component, java.awt.Component reference)
      Center a component in reference to another, if the reference is null or not visible the screen is used as reference
      static double getDoubleFromTextField​(javax.swing.JTextField textField, double defaultValue)  
      static java.lang.String getEnv​(java.lang.String name)  
      static void showDefaultCursor​(java.awt.Component component)  
      static void showPredefinedCursor​(java.awt.Component component, int cursor)  
      static void showWaitCursor​(java.awt.Component component)  

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • Utils

        public Utils()

    • Method Detail

      • getDoubleFromTextField

        public static double getDoubleFromTextField​(javax.swing.JTextField textField,
                                            double defaultValue)
        Returns:
        the value in a text field as a double. If the text field contents do not represent a valid double then the default value is inserted into the text field and returned.

      • centerComponent

        public static void centerComponent​(java.awt.Component component,
                                   java.awt.Component reference)
        Center a component in reference to another, if the reference is null or not visible the screen is used as reference

      • showWaitCursor

        public static void showWaitCursor​(java.awt.Component component)

      • showPredefinedCursor

        public static void showPredefinedCursor​(java.awt.Component component,
                                        int cursor)

      • showDefaultCursor

        public static void showDefaultCursor​(java.awt.Component component)

      • getEnv

        public static java.lang.String getEnv​(java.lang.String name)