Example usage for org.apache.commons.configuration DefaultConfigurationBuilder EVENT_ERR_LOAD_OPTIONAL

Introduction

In this page you can find the example usage for org.apache.commons.configuration DefaultConfigurationBuilder EVENT_ERR_LOAD_OPTIONAL.

Prototype

int EVENT_ERR_LOAD_OPTIONAL

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Document

Constant for the type of error events caused by optional configurations that cannot be loaded.

Usage

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

/**
 * Loads the configuration with the provided name.
 * // www.  j a  v  a 2  s.  c  o 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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