Examples with CSVReader liquibase.util.csv.CSVReader used on opensource projects

Example 6 with CSVReader

use of liquibase.util.csv.CSVReader in project liquibase by liquibase.

the class OfflineChangeLogHistoryService method replaceChangeSet.

protected void replaceChangeSet(ChangeSet changeSet, ReplaceChangeSetLogic replaceLogic) throws DatabaseException {
    File oldFile = this.changeLogFile;
    File newFile = new File(oldFile.getParentFile(), oldFile.getName() + ".new");
    Reader reader = null;
    Writer writer = null;
    try {
        reader = new InputStreamReader(new FileInputStream(oldFile), LiquibaseConfiguration.getInstance().getConfiguration(GlobalConfiguration.class).getOutputEncoding());
        writer = new OutputStreamWriter(new FileOutputStream(newFile), LiquibaseConfiguration.getInstance().getConfiguration(GlobalConfiguration.class).getOutputEncoding());
        CSVReader csvReader = new CSVReader(reader);
        CSVWriter csvWriter = new CSVWriter(writer);
        String[] line;
        while ((line = csvReader.readNext()) != null) {
            if (changeSet == null || (line[COLUMN_ID].equals(changeSet.getId()) && line[COLUMN_AUTHOR].equals(changeSet.getAuthor()) && line[COLUMN_FILENAME].equals(changeSet.getFilePath()))) {
                line = replaceLogic.execute(line);
            }
            if (line != null) {
                csvWriter.writeNext(line);
            }
        }
        csvWriter.flush();
        csvWriter.close();
        writer = null;
        csvReader.close();
        reader = null;
        oldFile.delete();
        newFile.renameTo(oldFile);
    } catch (Exception e) {
        throw new DatabaseException(e);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException ignore) {
            }
        }
        if (writer != null) {
            try {
                writer.flush();
                writer.close();
            } catch (IOException ignore) {
            }
        }
    }
}