private List<String> getTopicTweets(HttpServletRequest request) throws ServletException {
final String topicFile = request.getParameter("topicFile");
final String fullFilePath = topicFile;
List<String> listFiles = new ArrayList<String>();
Properties properties = new Properties();
try {
properties.load(new FileInputStream(fullFilePath));
} catch (FileNotFoundException e) {
LOGGER.error("missing file for in topic tweets: '" + fullFilePath + "'" + e.getMessage());
e.printStackTrace();
} catch (IOException e) {
LOGGER.error("can't read file for in topic tweets: '" + fullFilePath + "'" + e.getMessage());
e.printStackTrace();
}
for (Entry<Object, Object> propertyEntry : properties.entrySet()) {
String key = (String) propertyEntry.getKey();
if (key.startsWith("inTopic")) {
listFiles.add((String) propertyEntry.getValue());
}
}
List<String> tweets = new ArrayList<String>();
for (String filtFile : listFiles) {
tweets.addAll(parseTweetsFromFile(filtFile));
}
return tweets;
}
/**
* Get the configurations from the configurations File as a {@link JsonElement}
*
* @return {@link JsonElement} The configuration tree contained inside the configuration File. If
* the File doesn't exist or an error occurred, the default configuration tree is returned
*/
private JsonElement getConfigurationTreeFromFile() {
if (mConfigurationFile.exists()) { // Check, if the configuration File exists on disk
JsonParser parser = new JsonParser();
try {
JsonElement result = parser.parse(new FileReader(mConfigurationFile));
if (result.isJsonObject()) { // Check if content is a valid JsonObject
return result;
}
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
return mDefaultConfigurations; // If the configurations File doesn't exist on disk, return the
// default configurations
}
public JSONProperties load(String basePath) {
if (classLoader != null) {
InputStream in = classLoader.getResourceAsStream(basePath);
if (in != null) {
load0(new InputStreamReader(in));
} else {
throw new NullPointerException("classLoader.getResourceAsStream() is null!");
}
return this;
} else {
try {
load0(new FileReader(basePath));
return this;
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
}
}
}
