* @param workstation the workstation
     * @param challenge the Type 2 challenge message
     * @return the Base64-encoded Type 3 message
     * @throws NTLMEngineException if an NTLM engine error occurs
     * @throws CrawlingAccessException if an error occurs during message generation
     */
    @Override
    public String generateType3Msg(final String username, final String password, final String domain, final String workstation,

    }

    /**
     * Generates a Type 1 NTLM message.
     * @param arg0 The domain.
     * @param arg1 The workstation.
     * @return The Type 1 message.
     * @throws NTLMEngineException if an NTLM engine error occurs.
     */
    @Override
    public String generateType1Msg(final String arg0, final String arg1) throws NTLMEngineException {
        // TODO Auto-generated method stub
        return null;
    }

    /**

    /**
     * Log level constant for warning messages.
     */
    public static final String WARN = "WARN";

    /**
     * Log level constant for error messages.
     */
    public static final String ERROR = "ERROR";

    /** The log level for this exception, defaults to INFO */
    private String logLevel = INFO;

    /**

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.exception;

/**
 * RobotsTxtException is an exception class that represents an error related to robots.txt processing during web crawling.
 * It extends CrawlerSystemException and provides constructors to create instances with a message and/or a cause.
 *
 */

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.exception;

/**
 * This exception is thrown when an error occurs during OpenSearch access.
 *
 * @author shinsuke
 *
 */
public class OpenSearchAccessException extends CrawlerSystemException {

    private static final long serialVersionUID = 1L;

    /**

    }

    /**
     * Processes system error log events.
     *
     * @param objs the log objects (should contain a Throwable)
     */
    protected void processSystemError(final Object... objs) {
        final Throwable t = (Throwable) objs[0];
        if (logger.isErrorEnabled()) {
            logger.error("System Error.", t);
        }
    }

    /**

        CrawlerSystemException exception1 = new CrawlerSystemException(exceptionCause);
        assertSame(exceptionCause, exception1.getCause());

        // With Error cause
        Error errorCause = new Error("Error cause");
        CrawlerSystemException exception2 = new CrawlerSystemException(errorCause);
        assertSame(errorCause, exception2.getCause());

        // With RuntimeException cause

     *
     * @throws IOException if an I/O error occurs (not thrown in this implementation)
     */
    @Override
    public void close() throws IOException {
        // inputStream.close();
    }

    /**
     * Returns the number of bytes that can be read from this input stream without blocking.
     *
     * @return the number of bytes available
     * @throws IOException if an I/O error occurs
     */
    @Override

    FINISHED_THREAD,
    /** Indicates no response processor is available. */
    NO_RESPONSE_PROCESSOR,
    /** Indicates no rule is available for processing. */
    NO_RULE,
    /** Indicates a system error occurred. */
    SYSTEM_ERROR

        return fileInputStream.available();
    }

    /**
     * Closes this input stream and releases any system resources associated with the stream.
     * @throws IOException if an I/O error occurs.
     */
    @Override
    public void close() throws IOException {
        try {
            fileInputStream.close();
        } finally {
            FileUtil.deleteInBackground(tempFile);
        }