Sunday 17 May 2020

How to read properties file and fetch data? Write code to read common.properties file?


  • In below code filepath parameter will contain the path where we will keep the properties file and key parameter is the name of the value which we want fetch.
  • public is the access modifier
  • static  so that we can access the class without creating object
  • String is the return type of propertyReader function

============================
public static String propertyReader(String filePath,String key)

{
        String value = null;
       
        //Inputstream is required while loading into properties
   
       try (InputStream input = new FileInputStream(filePath))
        {
           
           // object creation for Property class
            Properties prop = new Properties();

            // load a properties file
            prop.load(input);

            //getProperty will fetch the value according to the key
            value=prop.getProperty(key);
         

        } catch (IOException ex) {
            ex.printStackTrace();
        }
        return value;
       
    }


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3 comments:

  1. what is best case to use properties file in industry

    ReplyDelete
    Replies
    1. project settings and configuration data with database configuration

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  2. This comment has been removed by the author.

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