자바 의 property 프로필 사용법

package configuration;    
import Java.io.FileInputStream;    
import Java.io.FileNotFoundException;    
import Java.io.FileOutputStream;    
import Java.io.IOException;    
import Java.util.Properties;    
/** *//**   
*   properties     
* @author Qutr   
*   
*/   
public class Configuration    
...{    
    private Properties propertie;    
    private FileInputStream inputFile;    
    private FileOutputStream outputFile;    

    /** *//**   
     *    Configuration    
     */   
    public Configuration()    
    ...{    
        propertie = new Properties();    
    }    

    /** *//**   
     *    Configuration    
     * @param filePath            +     
     */   
    public Configuration(String filePath)    
    ...{    
        propertie = new Properties();    
        try ...{    
            inputFile = new FileInputStream(filePath);    
            propertie.load(inputFile);    
            inputFile.close();    
        } catch (FileNotFoundException ex) ...{    
            System.out.println("      --->  ！-   ：             ");    
            ex.printStackTrace();    
        } catch (IOException ex) ...{    
            System.out.println("    --->  !");    
            ex.printStackTrace();    
        }    
    }//end ReadConfigInfo(...)    

    /** *//**   
     *     ，  key     
     * @param key          
     * @return key     
     */   
    public String getValue(String key)    
    ...{    
        if(propertie.containsKey(key))...{    
            String value = propertie.getProperty(key);//            
            return value;    
        }    
        else     
            return "";    
    }//end getValue(...)    

    /** *//**   
     *     ，  key     
     * @param fileName properties     +      
     * @param key          
     * @return key     
     */   
    public String getValue(String fileName, String key)    
    ...{    
        try ...{    
            String value = "";    
            inputFile = new FileInputStream(fileName);    
            propertie.load(inputFile);    
            inputFile.close();    
            if(propertie.containsKey(key))...{    
                value = propertie.getProperty(key);    
                return value;    
            }else   
                return value;    
        } catch (FileNotFoundException e) ...{    
            e.printStackTrace();    
            return "";    
        } catch (IOException e) ...{    
            e.printStackTrace();    
            return "";    
        } catch (Exception ex) ...{    
            ex.printStackTrace();    
            return "";    
        }    
    }//end getValue(...)    

    /** *//**   
     *   properties      key      
     */   
    public void clear()    
    ...{    
        propertie.clear();    
    }//end clear();      
    /** *//**   
     *        key  ， key   properties     key   value   ，   
     *  key    ， key   value   
     * @param key         
     * @param value         
     */   
    public void setValue(String key, String value)    
    ...{    
        propertie.setProperty(key, value);    
    }//end setValue(...)    

    /** *//**   
     *                  ，          。   
     * @param fileName     +       
     * @param description           
     */   
    public void saveFile(String fileName, String description)    
    ...{    
        try ...{    
            outputFile = new FileOutputStream(fileName);    
            propertie.store(outputFile, description);    
            outputFile.close();    
        } catch (FileNotFoundException e) ...{    
            e.printStackTrace();    
        } catch (IOException ioe)...{    
            ioe.printStackTrace();    
        }    
    }//end saveFile(...)    

    public static void main(String[] args)    
    ...{    
        Configuration rc = new Configuration(".\config\test.properties");//        

        String ip = rc.getValue("ipp");//    properties        
        String host = rc.getValue("host");    
        String tab = rc.getValue("tab");    

        System.out.println("ip = " + ip + "ip-test leng = " + "ip-test".length());//    properties        
        System.out.println("ip's length = " + ip.length());    
        System.out.println("host = " + host);    
        System.out.println("tab = " + tab);    
        Configuration cf = new Configuration();    
        String ipp = cf.getValue(".\config\test.properties", "ip");    
        System.out.println("ipp = " + ipp);    
//        cf.clear();    
        cf.setValue("min", "999");    
        cf.setValue("max", "1000");    
        cf.saveFile(".\config\save.perperties", "test");    

//        Configuration saveCf = new Configuration();    
//        saveCf.setValue("min", "10");    
//        saveCf.setValue("max", "1000");    
//        saveCf.saveFile(".\config\save.perperties");    

    }//end main()    

}//end class ReadConfigInfo