/**
* Uses the which command to find out which browsers are available. The available browsers are put
* into the unixBrowsers map using displayName => StandardUnixBrowser mappings.
*
* @todo what do we do if there are no browsers available?
* @throws BrowserLaunchingInitializingException
*/
public void initialize() throws BrowserLaunchingInitializingException {
try {
URL configUrl = getClass().getResource(configFileName);
if (configUrl == null) {
throw new BrowserLaunchingInitializingException(
"unable to find config file: " + configFileName);
}
StringBuffer potentialBrowserNames = new StringBuffer();
Properties configProps = new Properties();
configProps.load(configUrl.openStream());
String sepChar = configProps.getProperty(PROP_KEY_DELIMITER);
Iterator keysIter = configProps.keySet().iterator();
while (keysIter.hasNext()) {
String key = (String) keysIter.next();
if (key.startsWith(PROP_KEY_BROWSER_PREFIX)) {
StandardUnixBrowser browser =
new StandardUnixBrowser(sepChar, configProps.getProperty(key));
if (this.isBrowserAvailable(browser, logger)) {
unixBrowsers.put(browser.getBrowserDisplayName(), browser);
} else {
if (potentialBrowserNames.length() > 0) {
potentialBrowserNames.append("; ");
}
potentialBrowserNames.append(browser.getBrowserDisplayName());
}
}
}
if (unixBrowsers.size() == 0) {
// no browser installed
throw new BrowserLaunchingInitializingException(
"one of the supported browsers must be installed: " + potentialBrowserNames);
}
logger.info(unixBrowsers.keySet().toString());
unixBrowsers = Collections.unmodifiableMap(unixBrowsers);
} catch (IOException ioex) {
throw new BrowserLaunchingInitializingException(ioex);
}
}
