/*
* 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.vfs2.provider.local;
import java.io.File;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import org.apache.commons.vfs2.Capability;
import org.apache.commons.vfs2.FileName;
import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystem;
import org.apache.commons.vfs2.FileSystemException;
import org.apache.commons.vfs2.FileSystemOptions;
import org.apache.commons.vfs2.provider.AbstractOriginatingFileProvider;
import org.apache.commons.vfs2.provider.LocalFileProvider;
import org.apache.commons.vfs2.provider.UriParser;
import org.apache.commons.vfs2.util.Os;
/**
* A file system provider, which uses direct file access.
*
* @author <a href="http://commons.apache.org/vfs/team-list.html">Commons VFS team</a>
* @version $Revision: 1040766 $ $Date: 2010-12-01 02:06:53 +0530 (Wed, 01 Dec 2010) $
*/
public class DefaultLocalFileProvider
extends AbstractOriginatingFileProvider
implements LocalFileProvider
{
/** The provider's capabilities. */
public static final Collection<Capability> 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
}));
public DefaultLocalFileProvider()
{
super();
if (Os.isFamily(Os.OS_FAMILY_WINDOWS))
{
setFileNameParser(new WindowsFileNameParser());
}
else
{
setFileNameParser(new GenericFileNameParser());
}
}
/**
* Determines if a name is an absolute file name.
* @param name The file name.
* @return true if the name is absolute, false otherwise.
*/
public boolean isAbsoluteLocalName(final String name)
{
return ((LocalFileNameParser) getFileNameParser()).isAbsoluteName(name);
}
/**
* Finds a local file, from its local name.
* @param name The name of the file to locate.
* @return the located FileObject.
* @throws FileSystemException if an error occurs.
*/
public FileObject findLocalFile(final String name)
throws FileSystemException
{
StringBuilder uri = new StringBuilder(name.length() + 5);
uri.append("file:");
uri.append(name);
FileName filename = parseUri(null, uri.toString());
return findFile(filename, null);
}
/**
* Finds a local file.
* @param file The File to locate.
* @return the located FileObject.
* @throws FileSystemException if an error occurs.
*/
public FileObject findLocalFile(final File file)
throws FileSystemException
{
return findLocalFile(UriParser.encode(file.getAbsolutePath()));
// return findLocalFile(file.getAbsolutePath());
}
/**
* Creates the filesystem.
*/
@Override
protected FileSystem doCreateFileSystem(final FileName name, final FileSystemOptions fileSystemOptions)
throws FileSystemException
{
// Create the file system
final LocalFileName rootName = (LocalFileName) name;
return new LocalFileSystem(rootName, rootName.getRootFile(), fileSystemOptions);
}
public Collection<Capability> getCapabilities()
{
return capabilities;
}
}