java读取配置文件

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

/**
 * 加载配置文件
 * 
 */
public class PropertyFactory
{

    private static Log logger = LogFactory.getLog(PropertyFactory.class);

    private static java.util.Properties pros = new java.util.Properties();

    public PropertyFactory(List<String> filePaths)
    {
        if(filePaths!=null){
            for(int i=0;i<filePaths.size();i++){
                String filePath = filePaths.get(i);
                InputStream in = null;
                URL url = Thread.currentThread().getContextClassLoader().getResource(filePath);
                if (null == url)
                {
                    url = this.getClass().getClassLoader().getResource(filePath);
                }
                if(null == url){
                    url = this.getClass().getResource(filePath);
                }
                
                //解决文件路径可能出现空格的问题
                String path = url.getFile();
                if(!"".equals(path)){
                    path = path.replace("%20", " ");
                }
                
                try
                {
                    in = new BufferedInputStream(new FileInputStream(path));
                    pros.load(in);
                }
                catch (Exception e)
                {
                    logger.error("加载配置文件出错 ：\n", e);
                }
                finally
                {
                    if(in != null)
                    {
                        try
                        {
                            in.close();
                        }
                        catch (IOException e)
                        {
                            logger.error("关闭输入流出错 ：\n", e);
                        }
                    }
                }
            }
        }
        
    }

    public static String getProperty(String key)
    {
        return pros.getProperty(key);
    }

    public void setProperty(String key, String value)
    {
        pros.setProperty(key, value);
    }
}

<!-- 读取配置文件类 -->
<bean id="propertyFactory" class="com.creditease.autoloan.common.PropertyFactory">
  <constructor-arg>
     <list>
         <value>/config.properties</value>
         <value>/global.properties</value>
     </list>
  </constructor-arg>
</bean>