engineruleset.java

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/*
 * $Header: /home/cvs/jakarta-tomcat-catalina/catalina/src/share/org/apache/catalina/startup/EngineRuleSet.java,v 1.3 2004/01/25 21:01:03 remm Exp $
 * $Revision: 1.3 $
 * $Date: 2004/01/25 21:01:03 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999-2001 The Apache Software Foundation.  All rights
 * reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    distribution.
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 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
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 *    Foundation" must not be used to endorse or promote products derived
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 *    permission, please contact [e-mail].
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 * This software consists of voluntary contributions made by many
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 */


package org.apache.catalina.startup;


import org.apache.commons.digester.Digester;
import org.apache.commons.digester.RuleSetBase;


/**
 * <p><strong>RuleSet</strong> for processing the contents of a
 * Engine definition element.  This <code>RuleSet</code> does NOT include
 * any rules for nested Host or DefaultContext elements, which should
 * be added via instances of <code>HostRuleSet</code> or
 * <code>ContextRuleSet</code>, respectively.</p>
 *
 * @author Craig R. McClanahan
 * @version $Revision: 1.3 $ $Date: 2004/01/25 21:01:03 $
 */

public class EngineRuleSet extends RuleSetBase {


    // ----------------------------------------------------- Instance Variables


    /**
     * The matching pattern prefix to use for recognizing our elements.
     */
    protected String prefix = null;


    // ------------------------------------------------------------ Constructor


    /**
     * Construct an instance of this <code>RuleSet</code> with the default
     * matching pattern prefix.
     */
    public EngineRuleSet() {

        this("");

    }


    /**
     * Construct an instance of this <code>RuleSet</code> with the specified
     * matching pattern prefix.
     *
     * @param prefix Prefix for matching pattern rules (including the
     *  trailing slash character)
     */
    public EngineRuleSet(String prefix) {

        super();
        this.namespaceURI = null;
        this.prefix = prefix;

    }


    // --------------------------------------------------------- Public Methods


    /**
     * <p>Add the set of Rule instances defined in this RuleSet to the
     * specified <code>Digester</code> instance, associating them with
     * our namespace URI (if any).  This method should only be called
     * by a Digester instance.</p>
     *
     * @param digester Digester instance to which the new Rule instances
     *  should be added.
     */
    public void addRuleInstances(Digester digester) {

        digester.addObjectCreate(prefix + "Engine",
                                 "org.apache.catalina.core.StandardEngine",
                                 "className");
        digester.addSetProperties(prefix + "Engine");
        digester.addRule(prefix + "Engine",
                         new LifecycleListenerRule
                         ("org.apache.catalina.startup.EngineConfig",
                          "engineConfigClass"));
        digester.addSetNext(prefix + "Engine",
                            "setContainer",
                            "org.apache.catalina.Container");

        digester.addObjectCreate(prefix + "Engine/Listener",
                                 null, // MUST be specified in the element
                                 "className");
        digester.addSetProperties(prefix + "Engine/Listener");
        digester.addSetNext(prefix + "Engine/Listener",
                            "addLifecycleListener",
                            "org.apache.catalina.LifecycleListener");

        digester.addObjectCreate(prefix + "Engine/Logger",
                                 null, // MUST be specified in the element
                                 "className");
        digester.addSetProperties(prefix + "Engine/Logger");
        digester.addSetNext(prefix + "Engine/Logger",
                            "setLogger",
                            "org.apache.catalina.Logger");

        digester.addObjectCreate(prefix + "Engine/Realm",
                                 null, // MUST be specified in the element
                                 "className");
        digester.addSetProperties(prefix + "Engine/Realm");
        digester.addSetNext(prefix + "Engine/Realm",
                            "setRealm",
                            "org.apache.catalina.Realm");

        digester.addObjectCreate(prefix + "Engine/Valve",
                                 null, // MUST be specified in the element
                                 "className");
        digester.addSetProperties(prefix + "Engine/Valve");
        digester.addSetNext(prefix + "Engine/Valve",
                            "addValve",
                            "org.apache.catalina.Valve");

    }


}