Example usage for org.apache.lucene.analysis.ja.util CSVUtil parse

Introduction

In this page you can find the example usage for org.apache.lucene.analysis.ja.util CSVUtil parse.

Prototype

public static String[] parse(String line) 

Source Link

Document

Parse CSV line

Usage

From source file:org.codelibs.fess.dict.userdict.UserDictFile.java

License:Apache License

protected void reload(final UserDictUpdater updater) {
    final List<UserDictItem> itemList = new ArrayList<UserDictItem>();
    BufferedReader reader = null;
    try {/*from   ww w  .j  a va  2 s .c o m*/
        reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), Constants.UTF_8));
        long id = 0;
        String line = null;
        while ((line = reader.readLine()) != null) {
            // Remove comments
            line = line.replaceAll("#.*$", StringUtil.EMPTY);

            // Skip empty lines or comment lines
            if (line.trim().length() == 0) {
                if (updater != null) {
                    updater.write(line);
                }
                continue;
            }

            final String[] values = CSVUtil.parse(line);
            String token = null;
            String segmentation = null;
            String reading = null;
            String pos = null;
            switch (values.length) {
            case 4:
                pos = values[3];
            case 3:
                reading = values[2];
            case 2:
                segmentation = values[1];
            case 1:
                token = values[0];
            default:
                break;
            }

            id++;
            final UserDictItem item = new UserDictItem(id, token, segmentation, reading, pos);
            if (updater != null) {
                final UserDictItem newItem = updater.write(item);
                if (newItem != null) {
                    itemList.add(newItem);
                } else {
                    id--;
                }
            } else {
                itemList.add(item);
            }
        }
        if (updater != null) {
            updater.commit();
        }
        userDictItemList = itemList;
    } catch (final IOException e) {
        throw new DictionaryException("Failed to parse " + file.getAbsolutePath(), e);
    } finally {
        IOUtils.closeQuietly(reader);
    }
}

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