RamFileProvider.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.ram;

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

import org.apache.commons.vfs.Capability;
import org.apache.commons.vfs.FileName;
import org.apache.commons.vfs.FileSystem;
import org.apache.commons.vfs.FileSystemException;
import org.apache.commons.vfs.FileSystemOptions;
import org.apache.commons.vfs.provider.AbstractOriginatingFileProvider;
import org.apache.commons.vfs.provider.FileProvider;

/**
 * RAM File Provider
 */
public class RamFileProvider extends AbstractOriginatingFileProvider implements
		FileProvider
{

	public final static Collection capabilities = Collections
			.unmodifiableCollection(Arrays.asList(new Capability[]
			{ Capability.CREATE, Capability.DELETE, Capability.RENAME,
					Capability.GET_TYPE, Capability.GET_LAST_MODIFIED,
					Capability.SET_LAST_MODIFIED_FILE,
					Capability.SET_LAST_MODIFIED_FOLDER,
					Capability.LIST_CHILDREN, Capability.READ_CONTENT,
					Capability.URI, Capability.WRITE_CONTENT,
					Capability.APPEND_CONTENT, Capability.RANDOM_ACCESS_READ,
					Capability.RANDOM_ACCESS_WRITE }));

	/**
	 * Constructor
	 */
	public RamFileProvider()
	{
		super();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.apache.commons.vfs.provider.AbstractOriginatingFileProvider#doCreateFileSystem(org.apache.commons.vfs.FileName,
	 *      org.apache.commons.vfs.FileSystemOptions)
	 */
	protected FileSystem doCreateFileSystem(FileName name,
			FileSystemOptions fileSystemOptions) throws FileSystemException
	{
		return new RamFileSystem(name, fileSystemOptions);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.apache.commons.vfs.provider.FileProvider#getCapabilities()
	 */
	public Collection getCapabilities()
	{
		return capabilities;
	}
}