package org.webslinger.commons.vfs.flat;

 import java.util.Arrays;

 import java.util.Collection;

 import java.util.HashMap;

 import java.util.Map;

 import org.apache.commons.vfs.FileObject;

 import org.apache.commons.vfs.FileSystemException;

 import org.apache.commons.vfs.operations.FileOperation;

 import org.apache.commons.vfs.operations.FileOperationProvider;

 import org.webslinger.commons.vfs.operations.AttributeValueOperation;

 import org.webslinger.commons.vfs.operations.RealFileOperationProvider;

 import org.webslinger.commons.vfs.operations.FileOperationFactory;

 public class FlatFileOperationProvider extends RealFileOperationProvider<FlatFileObject> {

     private static final Map<Class, FileOperationFactory<FlatFileObject>> factories = new HashMap<Class, FileOperationFactory<FlatFileObject>>();

     static {

         factories.put(AttributeValueOperation.class, new FileOperationFactory<FlatFileObject>() {

             public FileOperation getFileOperation(final FlatFileObject file) throws FileSystemException {

                 return file.ATTRIBUTE_VALUE_OPERATION;

             }

         });

     }

     public FlatFileOperationProvider() {

         super(FlatFileObject.class);

     }

     public void collectOperations(Collection operationsList, FileObject file) throws FileSystemException {

         super.collectOperations(operationsList, file);

         operationsList.addAll(factories.keySet());

     }

     public FileOperation getOperation(FileObject file, Class operationClass) throws FileSystemException {

         FileOperationFactory<FlatFileObject> factory = factories.get(operationClass);

         if (factory == null) return super.getOperation(file, operationClass);

         return factory.getFileOperation((FlatFileObject) file);

     }

     protected void collectRealOperations(Collection<Class<? extends FileOperation>> operationsList, FlatFileObject file) throws FileSystemException {

         collectOperationsWorker(operationsList, file.getRealFile());

     }

     protected FileOperation getRealOperation(FlatFileObject file, Class<? extends FileOperation> operationClass) throws FileSystemException {

         return getOperationWorker(file.getRealFile(), operationClass);

     }

 }