standardserver.java

This temp directory is used by the JVM for temporary file storage. The JVM is configured to use thi

            throw (e);
        }

        // Store the state of this Server MBean
        // (which will recursively store everything
        try {
            storeServer(writer, 0, this);
        } catch (Exception e) {
            if (writer != null) {
                try {
                    writer.close();
                } catch (Throwable t) {
                    ;
                }
            }
            throw (e);
        }

        // Flush and close the output file
        try {
            writer.flush();
        } catch (Exception e) {
            throw (e);
        }
        try {
            writer.close();
        } catch (Exception e) {
            throw (e);
        }

        // Shuffle old->save and new->old
        if (configOld.renameTo(configSave)) {
            if (configNew.renameTo(configOld)) {
                return;
            } else {
                configSave.renameTo(configOld);
                throw new IOException("Cannot rename " +
                                      configNew.getAbsolutePath() + " to " +
                                      configOld.getAbsolutePath());
            }
        } else {
            throw new IOException("Cannot rename " +
                                  configOld.getAbsolutePath() + " to " +
                                  configSave.getAbsolutePath());
        }

    }


    /**
     * Write the configuration information for <code>Context</code>
     * out to the specified configuration file.
     *
     * @exception InstanceNotFoundException if the managed resource object
     *  cannot be found
     * @exception MBeanException if the initializer of the object throws
     *  an exception, or persistence is not supported
     * @exception RuntimeOperationsException if an exception is reported
     *  by the persistence mechanism
     */
    public synchronized void storeContext(Context context) throws Exception {

        String configFile = context.getConfigFile();

        if (configFile != null) {
            File config = new File(configFile);
            if (!config.isAbsolute()) {
                config = new File(System.getProperty("catalina.base"),
                                        configFile);
            }

            // Open an output writer for the new configuration file
            PrintWriter writer = null;
            try {
                writer = new PrintWriter(new OutputStreamWriter(new FileOutputStream(config), "UTF8"));
            } catch (IOException e) {
                if (writer != null) {
                    try {
                        writer.close();
                    } catch (Throwable t) {
                        ;
                    }
                }
                throw (e);
            }
            
            writer.println("<?xml version='1.0' encoding='utf-8'?>");
            writer.print("<Context");
            storeAttributes(writer, context);
            writer.println(">");
            writer.println("</Context>");

            // Flush and close the output file
            try {
                writer.flush();
            } catch (Exception e) {
                throw (e);
            }
            try {
                writer.close();
            } catch (Exception e) {
                throw (e);
            }
        }

    }


    // -------------------------------------------------------- Private Methods


    /** Given a string, this method replaces all occurrences of
     *  '<', '>', '&', and '"'.
    */

    private String convertStr(String input) {

        StringBuffer filtered = new StringBuffer(input.length());
        char c;
        for(int i=0; i<input.length(); i++) {
            c = input.charAt(i);
            if (c == '<') {
                filtered.append("&lt;");
            } else if (c == '>') {
                filtered.append("&gt;");
            } else if (c == '\'') {
                filtered.append("&apos;");
            } else if (c == '"') {
                filtered.append("&quot;");
            } else if (c == '&') {
                filtered.append("&amp;");
            } else {
                filtered.append(c);
            }
        }
            return(filtered.toString());
    }


    /**
     * Is this an instance of the default <code>Loader</code> configuration,
     * with all-default properties?
     *
     * @param loader Loader to be tested
     */
    private boolean isDefaultLoader(Loader loader) {

        if (!(loader instanceof WebappLoader)) {
            return (false);
        }
        WebappLoader wloader = (WebappLoader) loader;
        if ((wloader.getDebug() != 0) ||
            (wloader.getDelegate() != false) ||
            !wloader.getLoaderClass().equals
             ("org.apache.catalina.loader.WebappClassLoader")) {
            return (false);
        }
        return (true);

    }


    /**
     * Is this an instance of the default <code>Manager</code> configuration,
     * with all-default properties?
     *
     * @param manager Manager to be tested
     */
    private boolean isDefaultManager(Manager manager) {

        if (!(manager instanceof StandardManager)) {
            return (false);
        }
        StandardManager smanager = (StandardManager) manager;
        if ((smanager.getDebug() != 0) ||
            !smanager.getPathname().equals("SESSIONS.ser") ||
            !smanager.getRandomClass().equals("java.security.SecureRandom") ||
            (smanager.getMaxActiveSessions() != -1) ||
            !smanager.getAlgorithm().equals("MD5")) {
            return (false);
        }
        return (true);

    }


    /**
     * Is the specified class name + property name combination an
     * exception that should not be persisted?
     *
     * @param className The class name to check
     * @param property The property name to check
     */
    private boolean isException(String className, String property) {

        for (int i = 0; i < exceptions.length; i++) {
            if (className.equals(exceptions[i][0]) &&
                property.equals(exceptions[i][1])) {
                return (true);
            }
        }
        return (false);

    }


    /**
     * Is the specified property type one for which we should generate
     * a persistence attribute?
     *
     * @param clazz Java class to be tested
     */
    private boolean isPersistable(Class clazz) {

        for (int i = 0; i < persistables.length; i++) {
            if (persistables[i] == clazz) {
                return (true);
            }
        }
        return (false);

    }


    /**
     * Is the specified class name one that should be skipped because
     * the corresponding component is configured automatically at
     * startup time?
     *
     * @param className Class name to be tested
     */
    private boolean isSkippable(String className) {

        for (int i = 0; i < skippables.length; i++) {
            if (skippables[i].equals(className)) {
                return (true);
            }
        }
        return (false);

    }


    /**
     * Store the relevant attributes of the specified JavaBean, plus a
     * <code>className</code> attribute defining the fully qualified
     * Java class name of the bean.
     *
     * @param writer PrintWriter to which we are storing
     * @param bean Bean whose properties are to be rendered as attributes,
     *
     * @exception Exception if an exception occurs while storing
     */
    private void storeAttributes(PrintWriter writer,
                                 Object bean) throws Exception {

        storeAttributes(writer, true, bean);

    }


    /**
     * Store the relevant attributes of the specified JavaBean.
     *
     * @param writer PrintWriter to which we are storing
     * @param include Should we include a <code>className</code> attribute?
     * @param bean Bean whose properties are to be rendered as attributes,
     *
     * @exception Exception if an exception occurs while storing
     */
    private void storeAttributes(PrintWriter writer, boolean include,
                                 Object bean) throws Exception {

        // Render the relevant properties of this bean
        String className = bean.getClass().getName();

        // Render a className attribute if requested
        if (include) {
            for (int i = 0; i < standardImplementations.length; i++) {
                if (className.equals(standardImplementations[i])) {
                    include = false;
                }
            }
            if (include) {
                writer.print(" className=\"");
                writer.print(bean.getClass().getName());
                writer.print("\"");
            }
        }

        // Acquire the list of properties for this bean
        PropertyDescriptor descriptors[] =
            PropertyUtils.getPropertyDescriptors(bean);
        if (descriptors == null) {
            descriptors = new PropertyDescriptor[0];
        }

        // Create blank instance
        Object bean2 = bean.getClass().newInstance();
        for (int i = 0; i < descriptors.length; i++) {
            if (descriptors[i] instanceof IndexedPropertyDescriptor) {
                continue; // Indexed properties are not persisted
            }
            if (!isPersistable(descriptors[i].getPropertyType()) ||
                (descriptors[i].getReadMethod() == null) ||
                (descriptors[i].getWriteMethod() == null)) {
                continue; // Must be a read-write primitive or String
            }
            Object value =
                PropertyUtils.getSimpleProperty(bean,
                                                descriptors[i].getName());
            Object value2 =
                PropertyUtils.getSimpleProperty(bean2,
                                                descriptors[i].getName());
            if (value == null) {
                continue; // Null values are not persisted
            }
            if (isException(className, descriptors[i].getName())) {
                continue; // Skip the specified exceptions
            }
            if (value.equals(value2)) {
                // The property has its default value
                continue;
            }
            if (!(value instanceof String)) {
                value = value.toString();
            }
            writer.print(' ');
            writer.print(descriptors[i].getName());
            writer.print("=\"");
            String strValue = convertStr((String) value);
            writer.print(strValue);
            writer.print("\"");
        }

    }


    /**
     * Store the specified Connector properties.
     *
     * @param writer PrintWriter to which we are storing
     * @param indent Number of spaces to indent this element
     * @param connector Object whose properties are being stored
     *
     * @exception Exception if an exception occurs while storing
     */
    private void storeConnector(PrintWriter writer, int indent,
                                Connector connector) throws Exception {

        // Store the beginning of this element
        for (int i = 0; i < indent; i++) {
            writer.print(' ');
        }
        writer.print("<Connector");
        storeAttributes(writer, connector);
        writer.println(">");

        // Store nested <Factory> element
        ServerSocketFactory factory = connector.getFactory();
        if (factory != null) {
            storeFactory(writer, indent + 2, factory);
        }

        // Store nested <Listener> elements
        if (connector instanceof Lifecycle) {
            LifecycleListener listeners[] =
                ((Lifecycle) connector).findLifecycleListeners();
            if (listeners == null) {
                listeners = new LifecycleListener[0];
            }
            for (int i = 0; i < listeners.length; i++) {
                if (listeners[i].getClass().getName().equals
                    (SERVER_LISTENER_CLASS_NAME)) {
                    continue;
                }
                storeListener(writer, indent + 2, listeners[i]);
            }
        }

        // Store the ending of this element
        for (int i = 0; i < indent; i++) {
            writer.print(' ');
        }
        writer.println("</Connector>");

    }


    /**
     * Store the specified Context properties.
     *
     * @param writer PrintWriter to which we are storing
     * @param indent Number of spaces to indent this element
     * @param context  Object whose properties are being stored