package yarfraw.io;

 import java.io.File;

 import java.net.URI;

 import yarfraw.core.datamodel.FeedFormat;

 abstract class AbstractBaseIO{

   protected File _file;

   protected FeedFormat _format = FeedFormat.RSS20; //default

   public AbstractBaseIO(){}

   public AbstractBaseIO(File file, FeedFormat format){

     if(file == null){

       throw new IllegalArgumentException("File cannot be null");

     }

     _file = file;

     setFormat(format);

   }

   public AbstractBaseIO(String pathName, FeedFormat format){

     this(new File(pathName), format);

   }

   public AbstractBaseIO(URI uri, FeedFormat format){

     this(new File(uri), format);

   }

   public AbstractBaseIO(File file){

     this(file, FeedFormat.RSS20);

   }

   public AbstractBaseIO(String pathName){

     this(new File(pathName), FeedFormat.RSS20);

   }

   public AbstractBaseIO(URI uri){

     this(new File(uri), FeedFormat.RSS20);

   }

   public File getFile() {

     return _file;

   }

   public void setFile(File file) {

     _file = file;

   }

   /**

    * The {@link FeedFormat} this writer should be using.<br/>

    * if this is not set, the default is RSS 2.0 format. <code>null</code> format is ignored  

    * <p/>

    * rss 2.0 is recommended, use other format if you really need to

    */

   public FeedFormat getFormat() {

     return _format;

   }

   /**

    * The {@link FeedFormat} this writer should be using.<br/>

    * if this is not set, the default is RSS 2.0 format. <code>null</code> format is ignored

    * <p/>

    * rss 2.0 is recommended, use other format if you really need to

    *  

    */

   public void setFormat(FeedFormat format) {

     if(format != null){

       _format = format;

     } 

   }

 }