/**
* Opens a url using the default browser.
*
* @param urlString String
* @throws UnsupportedOperatingSystemException
* @throws BrowserLaunchingExecutionException
* @throws BrowserLaunchingInitializingException
*/
public void openUrl(String urlString)
throws UnsupportedOperatingSystemException, BrowserLaunchingExecutionException,
BrowserLaunchingInitializingException {
try {
logger.info(urlString);
String protocol = getProtocol(urlString);
logger.info(protocol);
// try the system prop first
boolean successfullSystemPropLaunch = false;
String browserName = System.getProperty(IBrowserLaunching.BROWSER_SYSTEM_PROPERTY, null);
if (browserName != null) {
Map browserMap = getBrowserMap();
WindowsBrowser winBrowser = (WindowsBrowser) browserMap.get(browserName);
if (winBrowser != null) {
logger.debug("using browser from system property");
successfullSystemPropLaunch = openUrlWithBrowser(winBrowser, protocol, urlString);
}
}
if (!successfullSystemPropLaunch) {
String[] args = getCommandArgs(protocol, urlString);
if (logger.isDebugEnabled()) {
logger.debug(getArrayAsString(args));
}
Process process = Runtime.getRuntime().exec(args);
// This avoids a memory leak on some versions of Java on Windows.
// That's hinted at in <http://developer.java.sun.com/developer/qow/archive/68/>.
process.waitFor();
process.exitValue();
}
} catch (Exception e) {
logger.error("fatal exception", e);
throw new BrowserLaunchingExecutionException(e);
}
}
/**
* Accesses the Windows registry to look for browser exes. The browsers search for are in the
* browsersToCheck list. The returned map will use display names and exe names as keys to the
* {@link WindowsBrowser WindowsBrowser} objects.
*
* @param browsersToCheck List
* @return Map
*/
private Map getAvailableBrowsers(List tempBrowsersToCheck) {
logger.debug("finding available browsers using registry");
logger.debug("browsers to check: " + tempBrowsersToCheck);
Map browsersAvailable = new TreeMap(String.CASE_INSENSITIVE_ORDER);
try {
// create map of exe names to win browser objects
Map exesToBrowserObjs = getExeNamesToBrowsers(tempBrowsersToCheck);
// access and look in registry
Regor regor = new Regor();
String subKeyName = "Software\\Microsoft\\Windows\\CurrentVersion\\App Paths";
int key = regor.openKey(Regor.HKEY_LOCAL_MACHINE, subKeyName);
if (key > -1) {
List keys = regor.listKeys(key);
Collections.sort(keys, String.CASE_INSENSITIVE_ORDER);
Iterator keysIter = exesToBrowserObjs.keySet().iterator();
while (keysIter.hasNext()) {
String exeKey = (String) keysIter.next();
int index = Collections.binarySearch(keys, exeKey, String.CASE_INSENSITIVE_ORDER);
if (index >= 0) {
WindowsBrowser winBrowser =
getBrowserFromRegistryEntry(
regor, key, (String) keys.get(index), exeKey, exesToBrowserObjs);
if (winBrowser != null) {
if (logger.isDebugEnabled()) {
logger.debug(
"Adding browser " + winBrowser.getBrowserDisplayName() + " to available list.");
logger.debug(winBrowser.getPathToExe());
}
// adding display and exe for backward compatibility and
// ease of use if someone passes in the name of an exe
browsersAvailable.put(winBrowser.getBrowserDisplayName(), winBrowser);
browsersAvailable.put(winBrowser.getBrowserApplicationName(), winBrowser);
tempBrowsersToCheck.remove(winBrowser);
}
}
}
}
} catch (RegistryErrorException ex) {
logger.error("problem accessing registry", ex);
}
return browsersAvailable;
}
/**
* Returns true if the browser is available, ie mdfind command finds it.
*
* @param logger AbstractLogger
* @return boolean
*/
public boolean isBrowserAvailable(StandardUnixBrowser browser, AbstractLogger logger) {
boolean isAvailable = false;
try {
Process process =
Runtime.getRuntime().exec(new String[] {"mdfind", browser.getBrowserApplicationName()});
InputStream errStream = process.getErrorStream();
InputStream inStream = process.getInputStream();
BufferedReader errIn = new BufferedReader(new InputStreamReader(errStream));
BufferedReader in = new BufferedReader(new InputStreamReader(inStream));
String temp;
StringBuffer whichOutput = new StringBuffer();
while ((temp = in.readLine()) != null) {
// Searching with spotlight (mdfind) will find more than just the app sometimes
if (temp.indexOf(browser.getBrowserApplicationName()) > -1) {
whichOutput.append(temp);
}
}
StringBuffer whichErrOutput = new StringBuffer();
while ((temp = errIn.readLine()) != null) {
whichErrOutput.append(temp);
}
in.close();
errIn.close();
if (whichOutput.length() > 0) {
logger.debug(whichOutput.toString());
// very weak test but should be enough since the Open -a applicationname works very well
isAvailable = true;
}
if (whichErrOutput.length() > 0) {
logger.debug(whichErrOutput.toString());
}
} catch (IOException ex) {
logger.error("io error executing which command", ex);
}
return isAvailable;
}