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package liquibase.configuration.core;

import liquibase.configuration.AbstractMapConfigurationValueProvider;

import java.util.Map;

/**
 * Searches for the configuration values in the system properties {@link System#getProperties()}.
 * 
 * To improve usability, it will search for the given key case insensitively.
 */
public class SystemPropertyValueProvider extends AbstractMapConfigurationValueProvider {

    @Override
    public int getPrecedence() {
        return 200;
    }

    @Override
    protected String getSourceDescription() {
        return "System property";
    }

    @Override
    protected Map getMap() {
        return System.getProperties();
    }
}