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From "Frank (JIRA)" <>
Subject [jira] Created: (VFS-255) Allow file operations to return a result
Date Tue, 12 May 2009 17:05:46 GMT
Allow file operations to return a result

                 Key: VFS-255
             Project: Commons VFS
          Issue Type: Improvement
    Affects Versions: 2.0
            Reporter: Frank
             Fix For: 2.0

Currently the file operations can not return any result after being executed. A simple interface
should allow marking the operations that return something without being too strict about what
they return.

I'm working on a command line shell based on VFS that also allows executing operations (
For the moment I found nothing better than to check for a method getResult() but it I would
prefer to just check for the interface.

The interface could be something like this:

package org.apache.commons.vfs.operations;

public interface FileOperationResult {

	public abstract Object getResult();

For me returning a String would be good enough,  but I think returning an Object the most
appropriate. In the vfs shell I just do a toString() on it. 

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