properties文档读取工具类

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * 获取properties文档
 */
public class GetProperties {
    /**
     * 日志记录
     */
    protected final static Log log = LogFactory.getLog(GetProperties.class);
    
    /**读取项目中的properties文件
     */
    public static Map<String,String> readProperties(String fileName){
        Map<String,String> result = new HashMap<String,String>();
        InputStream inputStream = null;
        try {
            // 加载配置文件
            inputStream = GetProperties.class.getResourceAsStream("./../../michael/properties/"+fileName);
            Properties props = new Properties();
            props.load(inputStream);
            for(Object key : props.keySet()){
                result.put((String)key, props.getProperty((String)key));
            }
            return result;
        } catch (Exception e) {
            System.err.println("..............读取" + fileName + "错误");
            log.error(e.getMessage());
        } finally {
            try {
                if(inputStream!=null)
                    inputStream.close();
            } catch (IOException e) {
            }
        }
        return null;
    }
    public static Map<String,String> readProperties(File file){
        Map<String,String> result = new HashMap<String,String>();
        InputStream inputStream = null;
        try {
            // 加载配置文件
            inputStream = new FileInputStream(file);
            Properties props = new Properties();
            props.load(inputStream);
            for(Object key : props.keySet()){
                result.put((String)key, props.getProperty((String)key));
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                inputStream.close();
            } catch (IOException e) {
            }
        }
        return result;
    }
    /**读取tomcat中的properties文件
     */
    public static Map<String,String> readTomcatBinProperties(String fileName){
        Map<String,String> result = new HashMap<String,String>();
        InputStream inputStream = null;
        try {
            // 加载配置文件
            inputStream = new FileInputStream(new File(".").getPath() + File.separator + fileName);
            Properties props = new Properties();
            props.load(inputStream);
            for(Object key : props.keySet()){
                result.put((String)key, props.getProperty((String)key));
            }
            return result;
        } catch (Exception e) {
            System.err.println("..............读取" + fileName + "错误");
            log.error(e.getMessage());
        } finally {
            try {
                if(inputStream!=null)
                    inputStream.close();
            } catch (IOException e) {
            }
        }
        return null;
    }

}