import org.apache.commons.configuration.DatabaseConfiguration; //导入依赖的package包/类
protected void init() {

		LinkedHashMap<String,Properties> propertiesByEnvironment = new LinkedHashMap<>();

		// fetch properties for each specific environment
		environments.forEach(currentEnvironment -> {
			DatabaseConfiguration dbConfig = createDatabaseConfiguration(this.dataSource,this.tableName,this.environmentColumn,this.propertyKeyColumn,this.valueColumn,currentEnvironment);
			propertiesByEnvironment.put(PROPERTY_SOURCE_PREFIX + "-" + currentEnvironment, createPropertiesForConfiguration(dbConfig));
		});

		// fetch default properties
		DatabaseConfiguration dbConfigDefault = createDatabaseConfiguration(this.dataSource,this.tableName,this.environmentColumn,this.propertyKeyColumn,this.valueColumn,this.defaultEnvironment);
		propertiesByEnvironment.put(PROPERTY_SOURCE_PREFIX + "-" + PROPERTY_SOURCE_DEFAULT, createPropertiesForConfiguration(dbConfigDefault));

		this.properties = new OrderedProperties(propertiesByEnvironment);
	}
 

import org.apache.commons.configuration.DatabaseConfiguration; //导入依赖的package包/类
private ConfigurationHelper(String applicationContextName)
{	

 DataSource ds = getDataSourceForContext(applicationContextName);         			
 DatabaseConfiguration config = new DatabaseConfiguration(ds,
                 TABLE_NAME, KEY_COLUMN, VALUE_COLUMN);
			
 ConfigurationListener listener = new LockoutConfigurationListener();
 config.addConfigurationListener(listener);
 config.addErrorListener((ConfigurationErrorListener) listener);			
 config.setDelimiterParsingDisabled(true);
 dataConfig = new DataConfiguration(config);
}
 

import org.apache.commons.configuration.DatabaseConfiguration; //导入依赖的package包/类
/**
 * @return the system configuration.
 */
public static DataConfiguration getConfiguration() {
    DataSource ds = null;
    try {
        ds = (DataSource) ServiceLocatorFactory.getLocator().lookup(DATASOURCE_JNDI_LOC);
        if (ds == null) {
            ds = getAdhocDataSource();
        }
    } catch (IllegalStateException e) {
        ds = getAdhocDataSource();
    }
    DatabaseConfiguration config = new DatabaseConfiguration(ds, TABLE_NAME, PARAM_NAME_COLUMN, PARAM_VALUE_COLUMN);
    config.setDelimiterParsingDisabled(true);
    return new DataConfiguration(config);
}
 

import org.apache.commons.configuration.DatabaseConfiguration; //导入依赖的package包/类
@Bean
public DatabaseConfiguration mallConfig() {
	return new DefaultDatabaseConfiguration(dataSource, "mall", "商城配置");
}
 

import org.apache.commons.configuration.DatabaseConfiguration; //导入依赖的package包/类
@Bean
public DatabaseConfiguration mainConfig() {
	return new DefaultDatabaseConfiguration(dataSource, "main", "基础配置");
}
 

import org.apache.commons.configuration.DatabaseConfiguration; //导入依赖的package包/类
private DataConfiguration getConfiguration() {
    DatabaseConfiguration config =
        new DatabaseConfiguration(dataSource, TABLE_NAME, PARAM_NAME_COLUMN, PARAM_VALUE_COLUMN);
    config.setDelimiterParsingDisabled(true);
    return new DataConfiguration(config);
}
 

import org.apache.commons.configuration.DatabaseConfiguration; //导入依赖的package包/类
/**
 * Creates a DatabaseConfiguration instance with the specified parameters.
 *
 * @param dataSource the data-source
 * @param tableName the table name
 * @param environmentColumn the environment column
 * @param keyColumn the key column
 * @param valueColumn the value column
 * @param environment the environment
 * @return the DatabaseConfiguration instance
 */
protected DatabaseConfiguration createDatabaseConfiguration(DataSource dataSource, String tableName, String environmentColumn, String keyColumn, String valueColumn, String environment){
	DatabaseConfiguration databaseConfiguration = new DatabaseConfiguration(dataSource,tableName,environmentColumn,keyColumn,valueColumn,environment);
	databaseConfiguration.setDelimiterParsingDisabled(true);
	return databaseConfiguration;
}
 

import org.apache.commons.configuration.DatabaseConfiguration; //导入依赖的package包/类
/**
 * Gets a database configuration that can be used to read database properties.
 *
 * @return the property database configuration.
 */
private static DatabaseConfiguration getPropertyDatabaseConfiguration()
{
    return new DatabaseConfiguration(getHerdDataSource(), ConfigurationEntity.TABLE_NAME, ConfigurationEntity.COLUMN_KEY, ConfigurationEntity.COLUMN_VALUE);
}