ruleManager.addRule(rule1);
        ruleManager.addRule(rule3);
        ruleManager.addRule(1, rule2); // Insert in middle

        List<Rule> rules = ruleManager.getRules();
        assertEquals(3, rules.size());
        assertEquals("rule1", rules.get(0).getRuleId());
        assertEquals("rule2", rules.get(1).getRuleId());
        assertEquals("rule3", rules.get(2).getRuleId());
    }

    /**

        assertSame(sharedProcessor, rule1.getResponseProcessor());
        assertSame(sharedProcessor, rule2.getResponseProcessor());
        assertSame(sharedProcessor, rule3.getResponseProcessor());

        // Different rule IDs
        assertEquals("rule1", rule1.getRuleId());
        assertEquals("rule2", rule2.getRuleId());
        assertEquals("rule3", rule3.getRuleId());

        // Different match results

            if (rule != null) {
                rules.add(rule);
            }
        }

        @Override
        public void addRule(int index, Rule rule) {
            if (rule != null) {
                rules.add(index, rule);
            }
        }

        @Override
        public boolean removeRule(Rule rule) {
            return rules.remove(rule);
        }

 */
package org.codelibs.fess.crawler.rule.impl;

import org.codelibs.fess.crawler.container.CrawlerContainer;
import org.codelibs.fess.crawler.processor.ResponseProcessor;
import org.codelibs.fess.crawler.rule.Rule;
import org.codelibs.fess.crawler.rule.RuleManager;

import jakarta.annotation.Resource;

/**
 * Abstract base class for implementing {@link Rule} interfaces.

/**
 * Helper class for converting URLs based on a set of predefined rules.
 *
 * <p>This class provides functionality to convert URLs by replacing parts of the URL
 * based on a map of target strings and their corresponding replacements. It allows
 * adding new conversion rules, setting the entire conversion map, and converting
 * URLs using these rules.</p>
 *

     *
     * @see
     * org.codelibs.fess.crawler.rule.RuleManager#addRule(org.codelibs.fess.crawler.rule.Rule)
     */
    /**
     * Adds a rule to the end of the rule list.
     * @param rule the rule to add
     */
    @Override
    public void addRule(final Rule rule) {
        ruleList.add(rule);
    }

    /**
     * Adds a rule at the specified position in the rule list.
     * @param index the position to insert the rule

        }

        Reader reader = null;
        if (settings.getAsList("synonyms", null) != null) {
            final List<String> rules = Analysis.parseWordList(env, settings, "synonyms", s -> s);
            final StringBuilder sb = new StringBuilder();
            for (final String line : rules) {
                sb.append(line).append(System.getProperty("line.separator"));
            }

 * and obtain the associated response processor.
 */
public interface Rule extends Serializable {

    /**
     * Determines if the given response data matches the rule.
     *
     * @param responseData the response data to be evaluated
     * @return true if the response data matches the rule, false otherwise
     */

    /**
     * Checks if access to a given path is allowed for a specific user agent according to robots.txt rules.
     *
     * @param path The path to check for access permission
     * @param userAgent The user agent string to check against robots.txt directives
     * @return true if access is allowed, false if access is disallowed by robots.txt rules.
     *         Returns true if no matching directive is found for the user agent.
     */

#### Content Processing Pipeline
- **Extractors**: Content extraction from various formats
- **Transformers**: Data transformation and enrichment
- **Filters**: URL filtering with regex patterns
- **Rules**: Content processing rules and validation

## Building and Testing

### Build Commands

```bash
# Build all modules
mvn clean install

# Build without tests
mvn clean install -DskipTests