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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. /
package org.apache.cayenne.modeler.util;
Opens a URL in the system default browser.

Andrus Adamchik
public class BrowserControl {
    // Used to identify the windows platform.
    private static final String WIN_ID = "Windows";
    // The default system browser under windows.
    private static final String WIN_PATH = "rundll32";
    // The flag to display a url.
    private static final String WIN_FLAG = "url.dll,FileProtocolHandler";
    // The default browser under unix.
    // private static final String UNIX_PATH = "netscape";
    // The flag to display a url.
    // private static final String UNIX_FLAG = "-remote openURL";

Display a file in the system browser. If you want to display a file, you must include the absolute path name.

url the file's url (the url must start with either "http://" or "file://").
    public static void displayURL(String url) {
        boolean windows = isWindowsPlatform();
        String cmd = null;
        try {
            if (windows) {
                // cmd = 'rundll32 url.dll,FileProtocolHandler http://...'
                cmd =  + " " +  + " " + url;
            else {
                // unsupported...
        catch (IOException ex) {

Try to determine whether this application is running under Windows or some other platform by examing the "" property.

true if this application is running under a Windows OS
    public static boolean isWindowsPlatform() {
        String os = System.getProperty("");
        if (os != null && os.startsWith())
            return true;
            return false;
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