/*!
* Copyright 2010 - 2013 Pentaho Corporation.  All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/

package org.apache.commons.vfs.provider.mime;

import org.apache.commons.vfs.Capability;
import org.apache.commons.vfs.FileName;
import org.apache.commons.vfs.FileObject;
import org.apache.commons.vfs.FileSystem;
import org.apache.commons.vfs.FileSystemException;
import org.apache.commons.vfs.FileSystemOptions;
import org.apache.commons.vfs.FileType;
import org.apache.commons.vfs.provider.AbstractLayeredFileProvider;
import org.apache.commons.vfs.provider.FileProvider;
import org.apache.commons.vfs.provider.LayeredFileName;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;

/**
 * A provider for MIME Message.
 *
 * @author <a href="mailto:imario@apache.org">imario@apache.org</a>
 * @version $Revision: 480428 $ $Date: 2006-11-29 01:15:24 -0500 (Wed, 29 Nov 2006) $
 */
public class MimeFileProvider
	extends AbstractLayeredFileProvider
	implements FileProvider
{
    protected final static Collection capabilities = Collections.unmodifiableCollection(Arrays.asList(new Capability[]
    {
        Capability.GET_TYPE,
        Capability.GET_LAST_MODIFIED,
        Capability.LIST_CHILDREN,
        Capability.READ_CONTENT,
        Capability.URI,
		Capability.ATTRIBUTES
    }));

	public MimeFileProvider()
    {
        super();
    }

    /**
     * Creates the filesystem.
     */
    protected FileSystem doCreateFileSystem(String scheme, final FileObject file, final FileSystemOptions fileSystemOptions)
        throws FileSystemException
	{
		final FileName name =
			new LayeredFileName(scheme, file.getName(), FileName.ROOT_PATH, FileType.FOLDER);
        return new MimeFileSystem(name, file, fileSystemOptions);
    }

    public Collection getCapabilities()
    {
        return capabilities;
    }
}