Objects.requireNonNull(cmd, "cmd");
        if (cmd.length == 0) throw new IllegalArgumentException("cmd must not be empty");
        ProcessBuilder pb = new ProcessBuilder(cmd);
        Process p = pb.start();
        String out = readFully(p.getInputStream());
        String err = readFully(p.getErrorStream());
        int code = p.waitFor();
        return new ExecResult(code, out, err);
    }

     * Checks if the request path matches any configured encoding rule and
     * performs URL redirection with proper parameter encoding.
     *
     * @param request the servlet request to process
     * @param response the servlet response to use for redirection
     * @param chain the filter chain to continue processing
     * @throws IOException if an I/O error occurs during processing

        });
        try (InputStream inputStream = form.stemmerOverrideFile.getInputStream()) {
            file.update(inputStream);
        } catch (final IOException e) {
            logger.warn("Failed to process a request.", e);
            throwValidationErrorApi(messages -> messages.addErrorsFailedToUploadProtwordsFile(GLOBAL));
        }
        return asJson(new ApiResult.ApiResponse().status(ApiResult.Status.OK).result());
    }

import org.dbflute.optional.OptionalEntity;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.StreamResponse;
import org.lastaflute.web.ruts.process.ActionRuntime;

/**
 * Admin action for Design management.
 *
 */
public class AdminDesignAction extends FessAdminAction {

    /**
     * Default constructor.
     */
    public AdminDesignAction() {

        return "StopwordsFile [path=" + path + ", stopwordsItemList=" + stopwordsItemList + ", id=" + id + "]";
    }

    /**
     * An inner class for updating the stopwords file.
     * This class handles the process of writing changes to a temporary file
     * and then replacing the original file upon successful commit.
     */
    protected class StopwordsUpdater implements Closeable {

        // Make dataService throw runtime exception
        ((TestDataService) dataService).setThrowRuntimeException(true);

        indexUpdater.start();

        // Poll for thread to process exceptions
        for (int i = 0; i < 20; i++) {
            if (!indexUpdater.isAlive() || indexUpdater.getState() == Thread.State.WAITING
                    || indexUpdater.getState() == Thread.State.TIMED_WAITING) {

            flush();
        }
        return (long) ids.length;
    };

    /**
     * Processes the score boosting.
     * @return The number of processed documents.
     */
    public abstract long process();

    /**
     * Enables this score booster.
     */
    protected void enable() {
        final ScoreUpdater scoreUpdater = ComponentUtil.getComponent("scoreUpdater");

import org.lastaflute.web.Execute;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.StreamResponse;
import org.lastaflute.web.ruts.process.ActionRuntime;
import org.xml.sax.InputSource;

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;

import jakarta.annotation.Resource;

/**

        }
        return StringUtil.EMPTY;
    }

    /**
     * Replaces all occurrences of a regular expression pattern in the input string.
     *
     * @param input the input object to process
     * @param regex the regular expression pattern to match
     * @param replacement the replacement string
     * @return string with all matches replaced, or empty string if input is null
     */

     * Processes special query prefixes (allinurl:, allintitle:) and initializes
     * request-scoped attributes for highlighting and field logging.
     * @param queryString The query string to process.
     * @param isQuery Whether this is a search query (enables highlighting and logging).
     */
    @SuppressWarnings("unchecked")
    public QueryContext(final String queryString, final boolean isQuery) {