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From "Attila Varga (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CONFIGURATION-648) wrong property key: PropertiesBuilderParametersImpl.PROP_IO_FACTORY
Date Tue, 20 Dec 2016 11:59:58 GMT
Attila Varga created CONFIGURATION-648:
------------------------------------------

             Summary: wrong property key: PropertiesBuilderParametersImpl.PROP_IO_FACTORY
                 Key: CONFIGURATION-648
                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-648
             Project: Commons Configuration
          Issue Type: Bug
    Affects Versions: 2.1
            Reporter: Attila Varga


Example in user guide about using custom IOFactory doesn't work.

Link:
https://commons.apache.org/proper/commons-configuration/userguide/howto_properties.html#Custom_properties_readers_and_writers


When you set an IOFactory like this:

params.properties()
        .setFileName("myfile.properties")
        .setIOFactory(new WhitespaceIOFactory())

this custom IOFactory won't be set in your PropertiesConfiguration because 
the constant PropertiesBuilderParametersImpl.PROP_IO_FACTORY has the value:
 "iOFactory".

FileBasedConfigurationBuilder tries to set the property "iOFactory" of PropertiesConfiguration
.
The method setiOFactory() exists not.

I have found a workaround, maybe this can explain better the problem:

//New subclass:
    public class PropertiesConfigurationOk extends PropertiesConfiguration {
        public void setiOFactory(IOFactory ioFactory)
        {
            super.setIOFactory(ioFactory);
        }
    }


//Usage of new subclass:
FileBasedConfigurationBuilder<FileBasedConfiguration> builder = new FileBasedConfigurationBuilder<FileBasedConfiguration>(PropertiesConfigurationOk.class)
                      .configure(propertiesBuilderParameters);

PropertiesConfiguration config = builder.getConfiguration();





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