Example usage for org.apache.commons.configuration.event ConfigurationEvent ConfigurationEvent

Introduction

In this page you can find the example usage for org.apache.commons.configuration.event ConfigurationEvent ConfigurationEvent.

Prototype

public ConfigurationEvent(Object source, int type, String propertyName, Object propertyValue,
        boolean beforeUpdate) 

Source Link

Document

Creates a new instance of ConfigurationEvent and initializes it.

Usage

From source file:com.kixeye.chassis.support.logging.LoggingConfiguration.java

@PostConstruct
public void initialize() {
    AbstractConfiguration config = ConfigurationManager.getConfigInstance();

    if (config.containsKey(LOGBACK_CONFIG_NAME)) {
        System.out.println("Loading logging config.");

        reloadLogging(config.getString(LOGBACK_CONFIG_NAME));
    }//w w  w.  j  a va2  s .  c  om

    config.addConfigurationListener(new ConfigurationListener() {
        @Override
        public synchronized void configurationChanged(ConfigurationEvent event) {
            if ((event.getType() == AbstractConfiguration.EVENT_ADD_PROPERTY
                    || event.getType() == AbstractConfiguration.EVENT_SET_PROPERTY)
                    && StringUtils.equalsIgnoreCase(LOGBACK_CONFIG_NAME, event.getPropertyName())
                    && event.getPropertyValue() != null && !event.isBeforeUpdate()) {
                System.out.println("Reloading logging config.");

                reloadLogging((String) event.getPropertyValue());
            }
        }
    });

    ConfigurationListener flumeConfigListener = new ConfigurationListener() {
        private FlumeLoggerLoader loggerLoader = null;

        public synchronized void configurationChanged(ConfigurationEvent event) {
            if (!(event.getType() == AbstractConfiguration.EVENT_SET_PROPERTY
                    || event.getType() == AbstractConfiguration.EVENT_ADD_PROPERTY
                    || event.getType() == AbstractConfiguration.EVENT_CLEAR_PROPERTY)) {
                return;
            }

            if (FlumeLoggerLoader.FLUME_LOGGER_ENABLED_PROPERTY.equals(event.getPropertyName())) {
                if ("true".equals(event.getPropertyValue())) {
                    if (loggerLoader == null) {
                        // construct the bean
                        loggerLoader = (FlumeLoggerLoader) applicationContext
                                .getBean(FlumeLoggerLoader.PROTOTYPE_BEAN_NAME, "chassis");
                    } // else we already have one so we're cool
                } else {
                    if (loggerLoader != null) {
                        // delete the bean
                        ConfigurableBeanFactory beanFactory = (ConfigurableBeanFactory) applicationContext
                                .getParentBeanFactory();
                        beanFactory.destroyBean(FlumeLoggerLoader.PROTOTYPE_BEAN_NAME, loggerLoader);
                        loggerLoader = null;
                    } // else we don't have any so we're cool
                }
            } else if (FlumeLoggerLoader.RELOAD_PROPERTIES.contains(event.getPropertyValue())) {
                // only reload if we're already running - otherwise ignore
                if (loggerLoader != null) {
                    // delete the bean
                    ConfigurableBeanFactory beanFactory = (ConfigurableBeanFactory) applicationContext
                            .getParentBeanFactory();
                    beanFactory.destroyBean(FlumeLoggerLoader.PROTOTYPE_BEAN_NAME, loggerLoader);
                    loggerLoader = null;

                    // construct the bean
                    loggerLoader = (FlumeLoggerLoader) applicationContext
                            .getBean(FlumeLoggerLoader.PROTOTYPE_BEAN_NAME, "chassis");
                } // else we don't have any so we're cool
            }
        }
    };

    config.addConfigurationListener(flumeConfigListener);

    flumeConfigListener.configurationChanged(new ConfigurationEvent(this,
            AbstractConfiguration.EVENT_SET_PROPERTY, FlumeLoggerLoader.FLUME_LOGGER_ENABLED_PROPERTY,
            config.getProperty(FlumeLoggerLoader.FLUME_LOGGER_ENABLED_PROPERTY), false));
}

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From source file:nz.co.senanque.madura.configuration.MaduraConfiguration.java

private void invokeListeners() {
    if (m_configurationListeners != null) {
        try {/*from w  w  w .j a  v a  2s. c  om*/
            ConfigurationEvent event = new ConfigurationEvent(this, AbstractConfiguration.EVENT_SET_PROPERTY,
                    null, this, false);
            for (ConfigurationListener listener : m_configurationListeners) {
                listener.configurationChanged(event);
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}

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