private final String ruleId;
        private final ResponseProcessor responseProcessor;
        private final boolean matchResult;
        private int matchCallCount = 0;

        public TestRule(String ruleId, ResponseProcessor responseProcessor, boolean matchResult) {
            this.ruleId = ruleId;
            this.responseProcessor = responseProcessor;
            this.matchResult = matchResult;
        }

        private final boolean matchResult;
        private final ResponseProcessor responseProcessor;

        public TestRule(String ruleId, boolean matchResult) {
            this(ruleId, matchResult, null);
        }

        public TestRule(String ruleId, boolean matchResult, ResponseProcessor responseProcessor) {
            this.ruleId = ruleId;
            this.matchResult = matchResult;

        final Rule rule = mock(Rule.class);
        final ResponseProcessor responseProcessor = mock(ResponseProcessor.class);

        when(ruleManager.getRule(responseData)).thenReturn(rule);
        when(rule.getRuleId()).thenReturn("test-rule");
        when(rule.getResponseProcessor()).thenReturn(responseProcessor);

        // Use reflection to access protected method

            responseData.setRuleId(rule.getRuleId());
            final ResponseProcessor responseProcessor = rule.getResponseProcessor();
            if (!(responseProcessor instanceof DefaultResponseProcessor)) {
                throw new CrawlingAccessException("The response processor is not DefaultResponseProcessor. responseProcessor: "
                        + responseProcessor + ", url: " + url);
            }

        } else {
            responseData.setRuleId(rule.getRuleId());
            final ResponseProcessor responseProcessor = rule.getResponseProcessor();
            if (responseProcessor == null) {
                log(logHelper, LogType.NO_RESPONSE_PROCESSOR, crawlerContext, urlQueue, responseData, rule);
            } else {
                responseProcessor.process(responseData);
            }
        }

    }

    /**

import org.codelibs.fess.crawler.processor.ResponseProcessor;
import org.codelibs.fess.crawler.service.UrlQueueService;
import org.codelibs.fess.crawler.transformer.Transformer;
import org.codelibs.fess.crawler.util.CrawlingParameterUtil;

import jakarta.annotation.Resource;

/**
 * <p>
 * {@link DefaultResponseProcessor} is a default implementation of {@link ResponseProcessor}.

        }

        public void clearRules() {
            rules.clear();
        }
    }

    /**
     * Test ResponseProcessor implementation
     */
    public static class TestResponseProcessor implements ResponseProcessor, Serializable {
        private static final long serialVersionUID = 1L;
        private int processCount = 0;
        private ResponseData lastProcessedData = null;

        assertNotNull(proc);
    }

    public void test_implementsResponseProcessor() {
        // Test that SitemapsResponseProcessor implements ResponseProcessor
        assertTrue(processor instanceof ResponseProcessor);
    }

    public void test_processSingleSitemap() {
        // Setup
        ResponseData responseData = new ResponseData();

            } else {
                responseData.setRuleId(rule.getRuleId());
                final ResponseProcessor responseProcessor = rule.getResponseProcessor();
                if (responseProcessor instanceof DefaultResponseProcessor) {
                    final Transformer transformer = ((DefaultResponseProcessor) responseProcessor).getTransformer();
                    final ResultData resultData = transformer.transform(responseData);

**Implementations**:
- `UrlQueueServiceImpl`, `DataServiceImpl`: In-memory (default)
- `OpenSearchDataService`: OpenSearch backend (persistent)

### Processing Pipeline

```
CrawlerThread → Client → ResponseProcessor → Transformer → Extractor → ExtractData
                                                                            ↓
                         ← UrlQueueService ← ← ← ← ← ← ← ← ← ← ← ← ← ← ← ←