public void run(String[] args) {
Parameters params = validateAndParseParams(args, Parameters.class);
File testData = new File(params.getCensusData());
File dictOutFile = new File(params.getDict());
CmdLineUtil.checkInputFile("Name data", testData);
CmdLineUtil.checkOutputFile("Dictionary file", dictOutFile);
FileInputStream sampleDataIn = CmdLineUtil.openInFile(testData);
ObjectStream<StringList> sampleStream =
new NameFinderCensus90NameStream(sampleDataIn, Charset.forName(params.getEncoding()));
Dictionary mDictionary;
try {
System.out.println("Creating Dictionary...");
mDictionary = createDictionary(sampleStream);
} catch (IOException e) {
throw new TerminateToolException(
-1, "IO error while reading training data or indexing data: " + e.getMessage(), e);
} finally {
try {
sampleStream.close();
} catch (IOException e) {
// sorry this can fail..
}
}
System.out.println("Saving Dictionary...");
OutputStream out = null;
try {
out = new FileOutputStream(dictOutFile);
mDictionary.serialize(out);
} catch (IOException e) {
throw new TerminateToolException(
-1, "IO error while writing dictionary file: " + e.getMessage(), e);
} finally {
if (out != null)
try {
out.close();
} catch (IOException e) {
// file might be damaged
throw new TerminateToolException(
-1, "Attention: Failed to correctly write dictionary:" + e.getMessage(), e);
}
}
}
/**
* Creates a dictionary.
*
* @param sampleStream stream of samples.
* @return a {@code Dictionary} class containing the name dictionary built from the input file.
* @throws IOException IOException
*/
public static Dictionary createDictionary(ObjectStream<StringList> sampleStream)
throws IOException {
Dictionary mNameDictionary = new Dictionary(true);
StringList entry;
entry = sampleStream.read();
while (entry != null) {
if (!mNameDictionary.contains(entry)) {
mNameDictionary.put(entry);
}
entry = sampleStream.read();
}
return mNameDictionary;
}
/**
* Reads a dictionary which has one entry per line. The tokens inside an entry are whitespace
* delimited.
*
* @param in
* @return the parsed dictionary
* @throws IOException
*/
public static Dictionary parseOneEntryPerLine(Reader in) throws IOException {
BufferedReader lineReader = new BufferedReader(in);
Dictionary dictionary = new Dictionary();
String line;
while ((line = lineReader.readLine()) != null) {
StringTokenizer whiteSpaceTokenizer = new StringTokenizer(line, " ");
String tokens[] = new String[whiteSpaceTokenizer.countTokens()];
if (tokens.length > 0) {
int tokenIndex = 0;
while (whiteSpaceTokenizer.hasMoreTokens()) {
tokens[tokenIndex++] = whiteSpaceTokenizer.nextToken();
}
dictionary.put(new StringList(tokens));
}
}
return dictionary;
}
