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

/**
 * Exception thrown when GSA (Google Search Appliance) configuration errors occur.
 * This exception extends FessSystemException and is used to handle specific
 * configuration-related issues when working with GSA integration.
 *
 */

## Table of Contents

- [Supported Migration Sources](#supported-migration-sources)
- [Pre-Migration Planning](#pre-migration-planning)
- [Migration Methods](#migration-methods)
  - [Google Search Appliance (GSA)](#google-search-appliance-gsa--google-mini)
  - [Google Site Search (GSS) / Google Custom Search](#google-site-search-gss--google-custom-search-gse)
  - [Elasticsearch / OpenSearch](#elasticsearch--opensearch)
  - [Apache Solr](#apache-solr)

        }
        if (StringUtil.isNotBlank(pref)) {
            return pref;
        }
        return null;
    }

    /**
     * Processes search preferences specifically for GSA (Google Search Appliance) compatible requests.
     * This method determines the preference value based on configuration and query content.
     *
     * @param req the HTTP servlet request
     * @param query the search query string

import org.dbflute.optional.OptionalEntity;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

/**
 * Parser for Google Search Appliance (GSA) configuration files.
 * This SAX-based parser reads GSA XML configuration files and converts them into
 * Fess configuration objects including web crawling configurations, file crawling