重写PropertyPlaceholderConfigurer

import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.Set;

import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;

/**
 * 
 * @author <br>
 * @date 2013年8月10日上午11:16:24<br>
 */
public class DabeiPropertyPlaceholderConfigurer extends PropertyPlaceholderConfigurer {


	public DabeiPropertyPlaceholderConfigurer() {
		PROPERTIES = new HashMap<String, String>();
	}

	/**
	 * 属性key,value
	 */
	private static Map<String, String> PROPERTIES;

	/**
	 * 
	 */
	protected void convertProperties(Properties props) {
		Set<String> keys = props.stringPropertyNames();
		for (String key : keys) {
			String value = props.getProperty(key);
			PROPERTIES.put(key, value);
		}
		super.convertProperties(props);
	}

	/**
	 * 
	 * @param key
	 * @return<br>
	 * @date 2013年8月11日上午1:46:07<br>
	 * @author <br>
	 */
	public String getValue(String key) {
		return PROPERTIES.get(key);
	}
}