Examples of org.apache.tomcat.util.digester.Digester$SystemPropertySource

org.apache.tomcat.util.digester.Digester

A Digester processes an XML input stream by matching a series of element nesting patterns to execute Rules that have been added prior to the start of parsing. This package was inspired by the XmlMapper class that was part of Tomcat 3.0 and 3.1, but is organized somewhat differently.

See the Digester Developer Guide for more information.

IMPLEMENTATION NOTE - A single Digester instance may only be used within the context of a single thread at a time, and a call to parse() must be completed before another can be initiated even from the same thread.

IMPLEMENTATION NOTE - A bug in Xerces 2.0.2 prevents the support of XML schema. You need Xerces 2.1/2.3 and up to make this class working with XML schema

     * Create and configure the Digester we will be using for shutdown.
     */
    protected Digester createStopDigester() {


        // Initialize the digester
        Digester digester = new Digester();
        digester.setUseContextClassLoader(true);


        // Configure the rules we need for shutting down
        digester.addObjectCreate("Server",
                                 "org.apache.catalina.core.StandardServer",
                                 "className");
        digester.addSetProperties("Server");
        digester.addSetNext("Server",
                            "setServer",
                            "org.apache.catalina.Server");


        return (digester);

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        }


        Server s = getServer();
        if( s == null ) {
            // Create and execute our Digester
            Digester digester = createStopDigester();
            File file = configFile();
            FileInputStream fis = null;
            try {
                InputSource is =
                    new InputSource(file.toURI().toURL().toString());
                fis = new FileInputStream(file);
                is.setByteStream(fis);
                digester.push(this);
                digester.parse(is);
            } catch (Exception e) {
                log.error("Catalina.stop: ", e);
                System.exit(1);
            } finally {
                if (fis != null) {

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        // Before digester - it may be needed


        initNaming();


        // Create and execute our Digester
        Digester digester = createStartDigester();


        InputSource inputSource = null;
        InputStream inputStream = null;
        File file = null;
        try {
            file = configFile();
            inputStream = new FileInputStream(file);
            inputSource = new InputSource(file.toURI().toURL().toString());
        } catch (Exception e) {
            if (log.isDebugEnabled()) {
                log.debug(sm.getString("catalina.configFail", file), e);
            }
        }
        if (inputStream == null) {
            try {
                inputStream = getClass().getClassLoader()
                    .getResourceAsStream(getConfigFile());
                inputSource = new InputSource
                    (getClass().getClassLoader()
                     .getResource(getConfigFile()).toString());
            } catch (Exception e) {
                if (log.isDebugEnabled()) {
                    log.debug(sm.getString("catalina.configFail",
                            getConfigFile()), e);
                }
            }
        }


        // This should be included in catalina.jar
        // Alternative: don't bother with xml, just create it manually.
        if( inputStream==null ) {
            try {
                inputStream = getClass().getClassLoader()
                        .getResourceAsStream("server-embed.xml");
                inputSource = new InputSource
                (getClass().getClassLoader()
                        .getResource("server-embed.xml").toString());
            } catch (Exception e) {
                if (log.isDebugEnabled()) {
                    log.debug(sm.getString("catalina.configFail",
                            "server-embed.xml"), e);
                }
            }
        }




        if (inputStream == null || inputSource == null) {
            if  (file == null) {
                log.warn(sm.getString("catalina.configFail",
                        getConfigFile() + "] or [server-embed.xml]"));
            } else {
                log.warn(sm.getString("catalina.configFail",
                        file.getAbsolutePath()));
                if (file.exists() && !file.canRead()) {
                    log.warn("Permissions incorrect, read permission is not allowed on the file.");
                }
            }
            return;
        }


        try {
            inputSource.setByteStream(inputStream);
            digester.push(this);
            digester.parse(inputSource);
        } catch (SAXParseException spe) {
            log.warn("Catalina.start using " + getConfigFile() + ": " +
                    spe.getMessage());
            return;
        } catch (Exception e) {

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     * Create and configure the Digester we will be using for startup.
     */
    protected Digester createStartDigester() {
        long t1=System.currentTimeMillis();
        // Initialize the digester
        Digester digester = new Digester();
        digester.setValidating(false);
        digester.setClassLoader(StandardServer.class.getClassLoader());


        // Configure the actions we will be using
        digester.addObjectCreate("Server",
                                 "org.apache.catalina.core.StandardServer",
                                 "className");
        digester.addSetProperties("Server");
        digester.addSetNext("Server",
                            "setServer",
                            "org.apache.catalina.Server");


        digester.addObjectCreate("Server/GlobalNamingResources",
                                 "org.apache.catalina.deploy.NamingResources");
        digester.addSetProperties("Server/GlobalNamingResources");
        digester.addSetNext("Server/GlobalNamingResources",
                            "setGlobalNamingResources",
                            "org.apache.catalina.deploy.NamingResources");


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


        digester.addObjectCreate("Server/Service",
                                 "org.apache.catalina.core.StandardService",
                                 "className");
        digester.addSetProperties("Server/Service");
        digester.addSetNext("Server/Service",
                            "addService",
                            "org.apache.catalina.Service");


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


        digester.addObjectCreate("Server/Service/Connector",
                                 "org.apache.catalina.connector.Connector",
                                 "className");
        digester.addRule("Server/Service/Connector", 
                         new SetAllPropertiesRule());
        digester.addSetNext("Server/Service/Connector",
                            "addConnector",
                            "org.apache.catalina.connector.Connector");


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


        // Add RuleSets for nested elements
        digester.addRuleSet(new NamingRuleSet("Server/GlobalNamingResources/"));
        digester.addRuleSet(new EngineRuleSet("Server/Service/"));
        digester.addRuleSet(new HostRuleSet("Server/Service/Engine/"));
        digester.addRuleSet(new ContextRuleSet("Server/Service/Engine/Default"));
        digester.addRuleSet(new NamingRuleSet("Server/Service/Engine/DefaultContext/"));
        digester.addRuleSet(new ContextRuleSet("Server/Service/Engine/Host/Default"));
        digester.addRuleSet(new NamingRuleSet("Server/Service/Engine/Host/DefaultContext/"));
        digester.addRuleSet(new ContextRuleSet("Server/Service/Engine/Host/"));
        digester.addRuleSet(new ClusterRuleSet("Server/Service/Engine/Host/Cluster/"));
        digester.addRuleSet(new NamingRuleSet("Server/Service/Engine/Host/Context/"));


        // When the 'engine' is found, set the parentClassLoader.
        digester.addRule("Server/Service/Engine",
                         new SetParentClassLoaderRule(parentClassLoader));


        long t2=System.currentTimeMillis();
        log.debug("Digester for server.xml created " + ( t2-t1 ));
        return (digester);

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     * Create and configure the Digester we will be using for shutdown.
     */
    protected Digester createStopDigester() {


        // Initialize the digester
        Digester digester = new Digester();


        // Configure the rules we need for shutting down
        digester.addObjectCreate("Server",
                                 "org.apache.catalina.core.StandardServer",
                                 "className");
        digester.addSetProperties("Server");
        digester.addSetNext("Server",
                            "setServer",
                            "org.apache.catalina.Server");


        return (digester);

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            arguments(arguments);
        }


        if( server == null ) {
            // Create and execute our Digester
            Digester digester = createStopDigester();
            digester.setClassLoader(Thread.currentThread().getContextClassLoader());
            File file = configFile();
            try {
                InputSource is =
                    new InputSource("file://" + file.getAbsolutePath());
                FileInputStream fis = new FileInputStream(file);
                is.setByteStream(fis);
                digester.push(this);
                digester.parse(is);
                fis.close();
            } catch (Exception e) {
                System.out.println("Catalina.stop: " + e);
                e.printStackTrace(System.out);
                System.exit(1);

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        // Before digester - it may be needed


        initNaming();


        // Create and execute our Digester
        Digester digester = createStartDigester();
        long t1 = System.currentTimeMillis();


        Exception ex = null;
        InputSource inputSource = null;
        InputStream inputStream = null;
        try {
            File file = configFile();
            inputStream = new FileInputStream(file);
            inputSource = new InputSource("file://" + file.getAbsolutePath());
        } catch (Exception e) {
            ;
        }
        if (inputStream == null) {
            try {
                inputStream = getClass().getClassLoader()
                    .getResourceAsStream(getConfigFile());
                inputSource = new InputSource
                    (getClass().getClassLoader()
                     .getResource(getConfigFile()).toString());
            } catch (Exception e) {
                ;
            }
        }


        if (inputStream == null) {
            System.out.println("Can't load server.xml");
            return;
        }


        try {
            inputSource.setByteStream(inputStream);
            digester.push(this);
            digester.parse(inputSource);
            inputStream.close();
        } catch (Exception e) {
            System.out.println("Catalina.start using "
                               + getConfigFile() + ": " + e);
            e.printStackTrace(System.out);

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    /**
     * Create the digester which will be used to parse context config files.
     */
    protected static Digester createDigester() {
        Digester digester = new Digester();
        digester.setValidating(false);
        // Add object creation rule
        digester.addObjectCreate("Context", "org.apache.catalina.core.StandardContext",
            "className");
        // Set the properties on that object (it doesn't matter if extra 
        // properties are set)
        digester.addSetProperties("Context");
        return (digester);
    }

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            log.warn("Cannot load configuration file " + file.getAbsolutePath());
            return;
        }


        // Load the contents of our configuration file
        Digester digester = new Digester();
        digester.setValidating(false);
        digester.addRuleSet(new MemoryRuleSet());
        try {
            digester.push(this);
            digester.parse(file);
        } catch (Exception e) {
            log.warn("Error processing configuration file " +
                file.getAbsolutePath(), e);
            return;
        }

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    /**
     * Create (if necessary) and return a Digester configured to process the
     * web application deployment descriptor (web.xml).
     */
    protected static Digester createWebDigester() {
        Digester webDigester =
            createWebXmlDigester(xmlNamespaceAware, xmlValidation);
        return webDigester;
    }

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