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/*
* Copyright 2011 Vaadin Ltd.
*
* Licensed 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 com.vaadin.launcher.util;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
/**
* This class opens default browser for DemoLauncher class. Default browser is
* detected by the operating system.
*
*/
public class BrowserLauncher {
/**
* Open browser on specified URL.
*
* @param url
*/
public static void openBrowser(String url) {
final Runtime runtime = Runtime.getRuntime();
boolean started = false;
final String os = System.getProperty("os.name", "windows")
.toLowerCase();
// Linux
if (os.indexOf("linux") >= 0) {
// See if the default browser is Konqueror by resolving the symlink.
boolean isDefaultKonqueror = false;
try {
// Find out the location of the x-www-browser link from path.
Process process = runtime.exec("which x-www-browser");
BufferedInputStream ins = new BufferedInputStream(
process.getInputStream());
BufferedReader bufreader = new BufferedReader(
new InputStreamReader(ins));
String defaultLinkPath = bufreader.readLine();
ins.close();
// The path is null if the link did not exist.
if (defaultLinkPath != null) {
// See if the default browser is Konqueror.
File file = new File(defaultLinkPath);
String canonical = file.getCanonicalPath();
if (canonical.indexOf("konqueror") != -1) {
isDefaultKonqueror = true;
}
}
} catch (IOException e1) {
// The symlink was probably not found, so this is ok.
}
// Try x-www-browser, which is symlink to the default browser,
// except if we found that it is Konqueror.
if (!started && !isDefaultKonqueror) {
try {
runtime.exec("x-www-browser " + url);
started = true;
} catch (final IOException e) {
}
}
// Try firefox
if (!started) {
try {
runtime.exec("firefox " + url);
started = true;
} catch (final IOException e) {
}
}
// Try mozilla
if (!started) {
try {
runtime.exec("mozilla " + url);
started = true;
} catch (final IOException e) {
}
}
// Try konqueror
if (!started) {
try {
runtime.exec("konqueror " + url);
started = true;
} catch (final IOException e) {
}
}
}
// OS X
if (os.indexOf("mac os x") >= 0) {
// Try open
if (!started) {
try {
runtime.exec("open " + url);
started = true;
} catch (final IOException e) {
}
}
}
// Try cmd /start command on windows
if (os.indexOf("win") >= 0) {
if (!started) {
try {
runtime.exec("cmd /c start " + url);
started = true;
} catch (final IOException e) {
}
}
}
if (!started) {
System.out.println("Failed to open browser. Please go to " + url);
}
}
}
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