001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.vfs2.provider.ram;
018
019import java.util.Arrays;
020import java.util.Collection;
021import java.util.Collections;
022
023import org.apache.commons.vfs2.Capability;
024import org.apache.commons.vfs2.FileName;
025import org.apache.commons.vfs2.FileSystem;
026import org.apache.commons.vfs2.FileSystemException;
027import org.apache.commons.vfs2.FileSystemOptions;
028import org.apache.commons.vfs2.provider.AbstractOriginatingFileProvider;
029
030/**
031 * RAM File Provider.
032 */
033public class RamFileProvider extends AbstractOriginatingFileProvider {
034
035    /** The provider's capabilities. */
036    public static final Collection<Capability> capabilities = Collections.unmodifiableCollection(
037            Arrays.asList(Capability.CREATE, Capability.DELETE, Capability.RENAME, Capability.GET_TYPE,
038                    Capability.GET_LAST_MODIFIED, Capability.SET_LAST_MODIFIED_FILE,
039                    Capability.SET_LAST_MODIFIED_FOLDER, Capability.LIST_CHILDREN, Capability.READ_CONTENT,
040                    Capability.URI, Capability.WRITE_CONTENT, Capability.APPEND_CONTENT, Capability.RANDOM_ACCESS_READ,
041                    Capability.RANDOM_ACCESS_SET_LENGTH, Capability.RANDOM_ACCESS_WRITE));
042
043    /**
044     * Constructs a new provider.
045     */
046    public RamFileProvider() {
047    }
048
049    /*
050     * (non-Javadoc)
051     *
052     * @see org.apache.commons.vfs2.provider.AbstractOriginatingFileProvider#doCreateFileSystem(
053     * org.apache.commons.vfs2.FileName, org.apache.commons.vfs2.FileSystemOptions)
054     */
055    @Override
056    protected FileSystem doCreateFileSystem(final FileName name, final FileSystemOptions fileSystemOptions)
057            throws FileSystemException {
058        return new RamFileSystem(name, fileSystemOptions);
059    }
060
061    /*
062     * (non-Javadoc)
063     *
064     * @see org.apache.commons.vfs2.provider.FileProvider#getCapabilities()
065     */
066    @Override
067    public Collection<Capability> getCapabilities() {
068        return capabilities;
069    }
070}