* Provides methods to add, remove, check, and retrieve rules.
 *
 */
public class RuleManagerImpl implements RuleManager {

    /** The list of rules managed by this rule manager. */
    protected final List<Rule> ruleList = new ArrayList<>();

    /**
     * Creates a new RuleManagerImpl instance.
     */
    public RuleManagerImpl() {
        // Default constructor
    }

    /*
     * (non-Javadoc)
     *

<components namespace="fessCrawler">
	<include path="crawler/container.xml" />
	<include path="crawler/transformer.xml" />

	<component name="ruleManager"
		class="org.codelibs.fess.crawler.rule.impl.RuleManagerImpl" instance="prototype">
		<postConstruct name="addRule">
			<arg>sitemapsRule</arg>
		</postConstruct>
		<postConstruct name="addRule">
			<arg>fileRule</arg>
		</postConstruct>
	</component>

<components namespace="fessCrawler">
	<include path="crawler/container.xml" />
	<include path="crawler/transformer.xml" />

	<component name="ruleManager" class="org.codelibs.fess.crawler.rule.impl.RuleManagerImpl" instance="prototype">
		<postConstruct name="addRule">
			<arg>sitemapsRule</arg>
		</postConstruct>
		<postConstruct name="addRule">
			<arg>webHtmlRule</arg>
		</postConstruct>
		<postConstruct name="addRule">

                .singleton("sitemapsRule", SitemapsRule.class)//
                .singleton("fileRule", RegexRule.class)//
                .singleton("ruleManager", RuleManagerImpl.class);

        ruleManager = container.getComponent("ruleManager");

        SitemapsRule sitemapsRule = container.getComponent("sitemapsRule");
        sitemapsRule.setRuleId("sitemapsRule");