public void run() {
// each file is processed into a local hash table and then merged with the global results
// this will cause much less contention on the global table, but still avoids a sequential
// update
Hashtable<String, Integer> local_results =
new Hashtable<String, Integer>(WordCountJ.HASH_SIZE, WordCountJ.LF);
// grab a file to work on
String cf;
while ((cf = files.poll()) != null) {
try {
BufferedReader input = new BufferedReader(new FileReader(cf));
String text;
// well go line-by-line... maybe this is not the fastest
while ((text = input.readLine()) != null) {
// parse words
Matcher matcher = pattern.matcher(text);
while (matcher.find()) {
String word = matcher.group(1);
if (local_results.containsKey(word)) {
local_results.put(word, 1 + local_results.get(word));
} else {
local_results.put(word, 1);
}
}
}
input.close();
} catch (Exception e) {
System.out.println(" caught a " + e.getClass() + "\n with message: " + e.getMessage());
return;
}
// merge local hashmap with shared one,could have a
// seperate thread do this but that might be cheating
Iterator<Map.Entry<String, Integer>> updates = local_results.entrySet().iterator();
while (updates.hasNext()) {
Map.Entry<String, Integer> kv = updates.next();
String k = kv.getKey();
Integer v = kv.getValue();
synchronized (results) {
if (results.containsKey(k)) {
results.put(k, v + results.get(k));
} else {
results.put(k, v);
}
}
}
local_results.clear();
}
}
/**
* The dependent service is available and the bundle will start.
*
* @param dependentService the UIService this activator is waiting.
*/
@Override
public void start(Object dependentService) {
if (logger.isDebugEnabled()) logger.debug("Update checker [STARTED]");
ConfigurationService cfg = getConfiguration();
if (OSUtils.IS_WINDOWS) {
updateService = new Update();
bundleContext.registerService(UpdateService.class.getName(), updateService, null);
// Register the "Check for Updates" menu item if
// the "Check for Updates" property isn't disabled.
if (!cfg.getBoolean(CHECK_FOR_UPDATES_MENU_DISABLED_PROP, false)) {
// Register the "Check for Updates" menu item.
CheckForUpdatesMenuItemComponent checkForUpdatesMenuItemComponent =
new CheckForUpdatesMenuItemComponent(Container.CONTAINER_HELP_MENU);
Hashtable<String, String> toolsMenuFilter = new Hashtable<String, String>();
toolsMenuFilter.put(Container.CONTAINER_ID, Container.CONTAINER_HELP_MENU.getID());
bundleContext.registerService(
PluginComponent.class.getName(), checkForUpdatesMenuItemComponent, toolsMenuFilter);
}
// Check for software update upon startup if enabled.
if (cfg.getBoolean(UPDATE_ENABLED, true)) updateService.checkForUpdates(false);
}
if (cfg.getBoolean(CHECK_FOR_UPDATES_DAILY_ENABLED_PROP, false)) {
logger.info("Scheduled update checking enabled");
// Schedule a "check for updates" task that will run once a day
int hoursToWait = calcHoursToWait();
Runnable updateRunnable =
new Runnable() {
public void run() {
logger.debug("Performing scheduled update check");
getUpdateService().checkForUpdates(false);
}
};
mUpdateExecutor = Executors.newSingleThreadScheduledExecutor();
mUpdateExecutor.scheduleAtFixedRate(
updateRunnable, hoursToWait, 24 * 60 * 60, TimeUnit.SECONDS);
}
if (logger.isDebugEnabled()) logger.debug("Update checker [REGISTERED]");
}