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

Introduction

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

Prototype

ConfigurationErrorListener

Source Link

Usage

From source file:eu.scape_project.planning.utils.ConfigurationLoader.java

/**
 * Loads the configuration with the provided name.
 * /*ww  w. java2 s  .  co m*/
 * @param name
 *            the configuration name
 * @param ignoreBuffer
 *            true to ignore the internal buffer, false otherwise
 * @return the configuration
 */
public Configuration load(String name, boolean ignoreBuffer) {
    CombinedConfiguration config = null;

    if (!ignoreBuffer) {
        config = buffer.get(name);
        if (config != null) {
            return config;
        }
    }

    try {
        DefaultConfigurationBuilder builder = new DefaultConfigurationBuilder(name);
        builder.clearErrorListeners();
        builder.addErrorListener(new ConfigurationErrorListener() {
            @Override
            public void configurationError(ConfigurationErrorEvent event) {
                if (event.getType() == DefaultConfigurationBuilder.EVENT_ERR_LOAD_OPTIONAL) {
                    LOG.debug("Could not load optional configuration file {}", event.getPropertyName(),
                            event.getCause());
                } else {
                    LOG.warn("Configuration error on {}", event.getPropertyName(), event.getCause());
                }
            }
        });
        config = builder.getConfiguration(true);
        buffer.put(name, config);
    } catch (ConfigurationException e) {
        LOG.error("Cannot load configuration {}", e, name);
    }
    return config;
}

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From source file:org.finra.herd.dao.ReloadablePropertySource.java

/**
 * Constructs the object with all parameters specified.
 *
 * @param name the name of the property source.
 * @param source the properties.//from   ww  w. j a va2 s  . c o  m
 * @param configuration the configuration that knows how to read properties.
 * @param refreshIntervalSecs the refresh interval in seconds to wait before refreshing the properties when a property is requested.
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public ReloadablePropertySource(String name, Properties source, Configuration configuration,
        long refreshIntervalSecs) {
    super(name, (Map) source);
    this.configuration = configuration;

    /*
     * Catches any errors and records it in the lastConfigurationErrorEvent variable.
     * It is safe to assume that all configurations are an instance of EventSource.
     * All concrete implementations of Configuration are an extension of AbstractConfiguration, which is an extension of EventSource.
     */
    ((EventSource) configuration).addErrorListener(new ConfigurationErrorListener() {
        @Override
        public void configurationError(ConfigurationErrorEvent event) {
            lastConfigurationErrorEvent = event;
        }
    });

    this.refreshIntervalMillis = refreshIntervalSecs * MILLISECONDS_IN_A_SECOND;
    updateLastRefreshTime();
    updateRefreshInterval();
    LOGGER.info("A refresh interval has been configured. propertiesRefreshIntervalInSeconds={}",
            refreshIntervalSecs);
}

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