/**
* Creates <code>HeadRule<code> which has default rules.
* @return created rule instance
*/
public static HeadRule createDefaultRule() {
HeadRule instance = new HeadRule();
InputStream rawIn = HeadRule.class.getClassLoader().getResourceAsStream(DEFAULT_RULE_PATH);
Reader in = null;
try {
in = new InputStreamReader(rawIn, DEFAULT_RULE_ENCODING);
instance.load(in);
} catch (UnsupportedOperationException ex) {
throw new RuntimeException(ex);
} catch (IOException ex) {
throw new RuntimeException(ex);
} catch (InvalidFormatException ex) {
throw new RuntimeException(ex);
} finally {
IOUtils.closeQuietly(in);
IOUtils.closeQuietly(rawIn);
}
return instance;
}
/**
* Returns rule instance which is read from file.
*
* @param file
* @return
* @throws IOException
* @throws InvalidFormatException
*/
public static HeadRule getRule(File file) throws IOException, InvalidFormatException {
HeadRule rule = new HeadRule();
rule.load(file);
return rule;
}
/**
* Returns rule instance which is read from <code>java.io.Reader</code> object.
*
* @param in
* @return
* @throws IOException
* @throws InvalidFormatException
*/
public static HeadRule getRule(Reader in) throws IOException, InvalidFormatException {
HeadRule rule = new HeadRule();
rule.load(in);
return rule;
}