package org.webslinger;

 import java.io.IOException;

 import java.util.ArrayList;

 import org.webslinger.commons.vfs.FileConvertor;

 import org.webslinger.commons.vfs.FileResolver;

 public class FileConvertorChain extends FileConvertor {

     protected final ArrayList<FileConvertor> convertors = new ArrayList<FileConvertor>();

     public FileConvertorChain(FileConvertor convertor) {

         add(convertor);

     }

     public void add(FileConvertor convertor) {

         convertors.add(convertor);

     }

     public String convert(String fileName, String data, FileResolver resolver) throws IOException {

         for (int i = 0; i < convertors.size(); i++) {

             FileConvertor convertor = convertors.get(i);

             data = convertor.convert(fileName, data, resolver);

         }

         return data;

     }

     public String getName() {

         throw new IllegalArgumentException();

     }

 }