import org.codelibs.fess.util.DocumentUtil;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.response.StreamResponse;

/**
 * Action class for handling cached document content requests.
 * Provides functionality to retrieve and display cached versions of crawled documents.
 */
public class CacheAction extends FessSearchAction {

    /**

import org.apache.catalina.WebResource;
import org.apache.catalina.webresources.StandardRoot;

/**
 * Fess-specific web resource root implementation for Tomcat.
 * This class extends StandardRoot to provide custom web resource handling
 * for Fess plugins, including support for plugin JAR files in the WEB-INF/plugin directory.
 */
public class FessWebResourceRoot extends StandardRoot {
    /** Logger instance for this class */

package org.codelibs.fess.util;

import java.util.Arrays;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Utility class for JVM-related operations.
 * This class provides methods for handling JVM options and version detection.
 */
public final class JvmUtil {
    private static final Pattern VERSION_PREFIX_PATTERN = Pattern.compile("([0-9]+)(\\-?):(.*)");

    private JvmUtil() {
        // nothing
    }

        request.setRequestURI("/admin/api");
        assertFalse(manager.matches(request));
    }

    public void test_matches_withNullRequest() {
        // Test null request handling
        WebApiManager manager = new TestWebApiManager("/api");
        assertFalse(manager.matches(null));
    }

    public void test_matches_withEmptyPath() {
        // Test empty path matching

Eine Alternative zum Abfangen von Exceptions (und möglicherweise auch zum Auslösen einer weiteren `HTTPException`) besteht darin, einen [benutzerdefinierten Exceptionhandler](../handling-errors.md#benutzerdefinierte-exceptionhandler-definieren){.internal-link target=_blank} zu erstellen.

## Ausführung von Abhängigkeiten mit `yield`

import jakarta.servlet.http.HttpServletResponse;

/**
 * Base implementation for API managers providing common functionality.
 * Abstract class that provides format detection and response handling for web APIs.
 */
public abstract class BaseApiManager implements WebApiManager {

    private static final String API_FORMAT_TYPE = "apiFormatType";

    /** Path prefix for API endpoints. */

import java.io.InputStreamReader;
import java.io.Reader;
import java.util.Hashtable;

import jcifs.smb1.Config;
import jcifs.smb1.smb1.SmbFileInputStream;
import jcifs.smb1.util.LogStream;

/**
 * Lmhosts file handling for NetBIOS name resolution.
 */
public class Lmhosts {

    /**
     * Default constructor for Lmhosts.
     */
    public Lmhosts() {
        // Default constructor
    }

import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * Filter for handling Cross-Origin Resource Sharing (CORS) requests.
 * Processes CORS headers and handles preflight OPTIONS requests.
 */
public class CorsFilter implements Filter {

    /**
     * Creates a new instance of CorsFilter.

import org.codelibs.core.io.CopyUtil;
import org.codelibs.core.io.FileUtil;
import org.codelibs.fess.crawler.entity.ResponseData;
import org.codelibs.fess.crawler.exception.CrawlingAccessException;

/**
 * Utility class for handling response data.
 */
public final class ResponseDataUtil {

    /**
     * Private constructor to prevent instantiation of this utility class.
     */
    private ResponseDataUtil() {
    }

    /**

import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**
 * Query command implementation for handling Boolean queries.
 * Converts Lucene BooleanQuery objects to OpenSearch BoolQueryBuilder objects.
 */
public class BooleanQueryCommand extends QueryCommand {
    /**
     * Default constructor for BooleanQueryCommand.