**Fess Crawler** is a Java-based web crawling framework for enterprise content extraction.

### Essential Info

- **Language**: Java 21+
- **Build**: Maven 3.x
- **License**: Apache 2.0
- **DI**: LastaFlute DI
- **Repo**: https://github.com/codelibs/fess-crawler

### Tech Stack

- **HTTP**: Apache HttpComponents 4.5+ and 5.x (switchable)
- **Extraction**: Apache Tika, POI, PDFBox

        }
        return new URL(currentUrl);
    }

    /**
     * Gets child URL extraction rules from configuration.
     *
     * @param responseData the response data from crawling
     * @param resultData the result data
     * @return stream of tag-attribute pairs for URL extraction
     */
    @Override

import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.codelibs.fess.crawler.exception.CrawlingAccessException;
import org.codelibs.fess.crawler.extractor.Extractor;
import org.codelibs.fess.crawler.extractor.impl.TikaExtractor;
import org.codelibs.fess.crawler.processor.ResponseProcessor;
import org.codelibs.fess.crawler.processor.impl.DefaultResponseProcessor;
import org.codelibs.fess.crawler.rule.Rule;

 *
 * <ul>
 *   <li>chaining methods which return a new {@code FluentIterable} based in some way on the
 *       contents of the current one (for example {@link #transform})
 *   <li>element extraction methods which facilitate the retrieval of certain elements (for example
 *       {@link #last})
 *   <li>query methods which answer questions about the {@code FluentIterable}'s contents (for
 *       example {@link #anyMatch})

 *
 * <ul>
 *   <li>chaining methods which return a new {@code FluentIterable} based in some way on the
 *       contents of the current one (for example {@link #transform})
 *   <li>element extraction methods which facilitate the retrieval of certain elements (for example
 *       {@link #last})
 *   <li>query methods which answer questions about the {@code FluentIterable}'s contents (for
 *       example {@link #anyMatch})

            }
            return extractJsonStringFallback(json, key);
        }
        return "";
    }

    /**
     * Fallback regex-based extraction for string values.
     *
     * @param json the JSON response
     * @param key the key to extract
     * @return the extracted string value
     */

* Fix broken link in docs about OAuth 2.0 with scopes. PR [#275](https://github.com/tiangolo/fastapi/pull/275) by [@dmontagu](https://github.com/dmontagu).

* Refactor param extraction using Pydantic `Field`:
    * Large refactor, improvement, and simplification of param extraction from *path operations*.

      {
        "subprojects": [
          "concurrent",
          "daemon-protocol",
          "daemon-server-worker",
          "functional",
          "internal-instrumentation-api",
          "java-api-extractor",
          "java-compiler-plugin",
          "javadoc",
          "kotlin-dsl-integ-tests",
          "kotlin-dsl-plugins",
          "normalization-java"
        ],
        "parallelizationMethod": {

     */
    public static IntervalControlHelper getIntervalControlHelper() {
        return getComponent(INTERVAL_CONTROL_HELPER);
    }

    /**
     * Gets the extractor factory component.
     * @return The extractor factory.
     */
    public static ExtractorFactory getExtractorFactory() {
        return getComponent(EXTRACTOR_FACTORY);
    }

    /**
     * Gets a job executor by name.

    "path": "platforms/jvm/jacoco-workers",
    "unitTests": false,
    "functionalTests": false,
    "crossVersionTests": false
  },
  {
    "name": "java-api-extractor",
    "path": "platforms/core-configuration/java-api-extractor",
    "unitTests": true,
    "functionalTests": false,
    "crossVersionTests": false
  },
  {
    "name": "java-compiler-plugin",