org.vectomatic.svg.edu.client.commons.Utils.java Source code

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Here is the source code for org.vectomatic.svg.edu.client.commons.Utils.java

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/**********************************************
 * Copyright (C) 2010 Lukas Laag
 * This file is part of lib-gwt-svg-edu.
 * 
 * libgwtsvg-edu is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * libgwtsvg-edu is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with libgwtsvg-edu.  If not, see http://www.gnu.org/licenses/
 **********************************************/
package org.vectomatic.svg.edu.client.commons;

import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.DialogBox;

public class Utils {
    public static boolean isDebug() {
        String debugParam = Window.Location.getParameter("debug");
        return (!GWT.isScript() || debugParam != null);
    }

    public static void handleFatalError(Throwable throwable) {
        String text = "Uncaught exception: ";
        GWT.log(text, throwable);
        while (throwable != null) {
            StackTraceElement[] stackTraceElements = throwable.getStackTrace();
            text += throwable.toString() + "\n";
            for (int i = 0; i < stackTraceElements.length; i++) {
                text += "    at " + stackTraceElements[i] + "\n";
            }
            throwable = throwable.getCause();
            if (throwable != null) {
                text += "Caused by: ";
            }
        }
        DialogBox dialogBox = new DialogBox(true);
        DOM.setStyleAttribute(dialogBox.getElement(), "backgroundColor", "#ABCDEF");
        System.err.print(text);
        text = text.replaceAll(" ", "&nbsp;");
        dialogBox.setHTML("<pre>" + text + "</pre>");
        dialogBox.center();
    }

}