Examples with FileReader java.io.FileReader used on opensource projects

Example 46 with FileReader

use of java.io.FileReader in project databus by linkedin.

the class FileMaxSCNHandler method loadInitialValue.

/**
   * Reads scn value from SCN File name according to configuration. If SCN file does not
   * exist, it creates the SCN file w/the initial value specified in the configuration. An
   * exception is thrown if we the SCN file exists but we fail to read the SCN value from
   * it.
   *
   * @throws IOException
   *           if we fail to open or read from the SCN file
   * @throws RuntimeException
   *           if the SCN value cannot be read or parsed from the file
   */
protected void loadInitialValue() throws IOException, DatabusException {
    Long initVal = null;
    LOG.info("Trying to read initial SCN from file: " + _scnFileName);
    File file = new File(_scnFileName);
    if (file.exists()) {
        FileReader fileReader = new FileReader(file);
        try {
            BufferedReader reader = new BufferedReader(fileReader);
            String scnLine = reader.readLine();
            if (null != scnLine) {
                try {
                    String scnString = scnLine.substring(0, scnLine.indexOf(SCN_SEPARATOR));
                    _scn.set(Long.parseLong(scnString));
                    LOG.info("Starting from MAX SCN:" + scnString);
                } catch (Exception e) {
                    LOG.error("Could not read initial SCN value. Value missing or not in expected format; scnLine = " + scnLine, e);
                    throw new DatabusException("Failed to load initial SCN value. Value misisng or not in expected format.", e);
                }
            } else {
                LOG.warn("SCN file empty; defaulting to initial value from configuration:" + _staticConfig.getInitVal());
                _scn.set(_staticConfig.getInitVal());
            }
            reader.close();
        } finally {
            fileReader.close();
        }
    } else {
        LOG.info("Initial max SCN does not exist. Defaulting to initial value from configuration: " + _staticConfig.getInitVal());
        _scn.set(_staticConfig.getInitVal());
        writeScnToFile();
    }
}

Example 47 with FileReader

use of java.io.FileReader in project libgdx by libgdx.

the class TexturePacker method main.

public static void main(String[] args) throws Exception {
    Settings settings = null;
    String input = null, output = null, packFileName = "pack.atlas";
    switch(args.length) {
        case 4:
            settings = new Json().fromJson(Settings.class, new FileReader(args[3]));
        case 3:
            packFileName = args[2];
        case 2:
            output = args[1];
        case 1:
            input = args[0];
            break;
        default:
            System.out.println("Usage: inputDir [outputDir] [packFileName] [settingsFileName]");
            System.exit(0);
    }
    if (output == null) {
        File inputFile = new File(input);
        output = new File(inputFile.getParentFile(), inputFile.getName() + "-packed").getAbsolutePath();
    }
    if (settings == null)
        settings = new Settings();
    process(settings, input, output, packFileName);
}

Example 48 with FileReader

use of java.io.FileReader in project zoj by licheng.

the class DatabaseHelper method resetAllTables.

/**
	 * Clears all tables
	 * @param flag;
	 * @throws Exception to JUnit
	 */
public static void resetAllTables(boolean flag) throws Exception {
    if (!allTablesCleared || flag) {
        for (int i = 0; i < tables.length; ++i) {
            clearTable(tables[i]);
        }
        BufferedReader reader = new BufferedReader(new FileReader(INITIAL_INSERTS));
        for (; ; ) {
            String cmd = reader.readLine();
            if (cmd == null) {
                break;
            }
            cmd = cmd.trim();
            if (cmd.length() > 0) {
                executeUpdate(cmd);
                if (cmd.startsWith("INSERT INTO")) {
                    String table = cmd.substring(12, cmd.indexOf('('));
                    List list = (List) initialInserts.get(table);
                    if (list == null) {
                        list = new ArrayList();
                        initialInserts.put(table, list);
                    }
                    list.add(cmd);
                }
            }
        }
        allTablesCleared = true;
    }
}

Example 49 with FileReader

use of java.io.FileReader in project Truck-Factor by aserg-ufmg.

the class LinguistExtractor method execute.

public List<NewFileInfo> execute() {
    List<NewFileInfo> linguistFiles = new ArrayList<NewFileInfo>();
    try {
        Map<String, List<String>> languageMap = new HashMap<String, List<String>>();
        //System.out.format("%s (%s): Extracting file language information...\n",repositoryName, new Date());
        BufferedReader br = new BufferedReader(new FileReader(repositoryPath + fileName));
        String sCurrentLine;
        String[] values;
        while ((sCurrentLine = br.readLine()) != null) {
            values = sCurrentLine.split(";");
            String language = values[0];
            if (language.contains("\'"))
                language = language.replace("'", "''");
            String path = values[1];
            linguistFiles.add(new NewFileInfo(repositoryName, path, language));
        }
        br.close();
    } catch (FileNotFoundException e) {
        LOGGER.warn(fileName + " not found. Executing without Linguist filter.");
        linguistFiles = null;
    } catch (Exception e) {
        LOGGER.error("Erro no projeto " + repositoryName, e);
        linguistFiles = null;
    }
    return linguistFiles;
}

Example 50 with FileReader

use of java.io.FileReader in project Truck-Factor by aserg-ufmg.

the class LinguistExtractor method extractAndPersist.

public void extractAndPersist() throws IOException {
    NewFileInfoDAO fiDAO = new NewFileInfoDAO();
    fiDAO.setAllAsNotLinguist();
    List<NewFileInfo> files = execute();
    try {
        Map<String, List<String>> languageMap = new HashMap<String, List<String>>();
        System.out.format("%s (%s): Extracting file language information...", repositoryName, new Date());
        BufferedReader br = new BufferedReader(new FileReader(repositoryPath + fileName));
        String sCurrentLine;
        String[] values;
        while ((sCurrentLine = br.readLine()) != null) {
            values = sCurrentLine.split(";");
            String language = values[0];
            if (language.contains("\'"))
                language = language.replace("'", "''");
            String path = values[1];
            List<String> paths;
            if (languageMap.containsKey(language))
                paths = languageMap.get(language);
            else {
                paths = new ArrayList<String>();
                languageMap.put(language, paths);
            }
            paths.add(path);
            files.add(new NewFileInfo(repositoryName, path, language));
        }
        br.close();
        for (Entry<String, List<String>> entry : languageMap.entrySet()) {
            fiDAO.updateLanguageFileInfo(repositoryName, entry.getKey(), entry.getValue());
        }
    } catch (Exception e) {
        System.err.println("Erro no projeto " + repositoryName);
        System.err.println(e.getMessage());
    }
}