Java JOptionPane Warning displayWarning(String strMsg)

Description

display Warning

License

Apache License

Declaration

public static void displayWarning(String strMsg) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.awt.EventQueue;

import java.awt.KeyboardFocusManager;

import java.awt.Window;

import javax.swing.JOptionPane;

public class Main {
    public static void displayWarning(String strMsg) {
        displayMessageBox(strMsg, JOptionPane.WARNING_MESSAGE, false);
    }/* ww  w  . j  a  va2  s  .  com*/

    public static void displayMessageBox(String strMsg, final int iType, boolean bWrapText) {
        final String strWrappedMsg = bWrapText ? wrapText(strMsg) : strMsg;

        Runnable logMsgBox = new Runnable() {
            public void run() {
                JOptionPane.showMessageDialog(getWindow(), strWrappedMsg, "", iType);
            }
        };

        if (EventQueue.isDispatchThread()) {
            logMsgBox.run();
        } else {
            try {
                EventQueue.invokeAndWait(logMsgBox);
            } catch (Throwable t) {
                t.printStackTrace();
            }
        }
    }

    public static String wrapText(String strText) {
        return wrapText(strText, 60);
    }

    public static String wrapText(String strText, int iLineLen) {
        StringBuilder sb = new StringBuilder();
        while (strText != null) {
            if (strText.length() > iLineLen) {
                sb.append(strText.substring(0, 60)).append("\n");
                strText = strText.substring(60);
            } else {
                sb.append(strText);
                strText = null;
            }
        }
        return sb.toString();
    }

    public static Window getWindow() {
        return KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusedWindow();
    }

    public static Window getFocusedWindow() {
        return KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusedWindow();
    }
}

Related

1. displayWarningMessage(Component parentComponent, String message, String windowTitle)
2. getIconWarning()
3. messageWarning(String s)
4. messageWarning(String s)