/*
* Copyright 2002-2005 The Apache Software Foundation.
*
* 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.local;
import org.apache.commons.vfs.FileName;
import org.apache.commons.vfs.FileSystemException;
import org.apache.commons.vfs.FileType;
/**
* A general-purpose file name parser.
*
* @author <a href="mailto:adammurdoch@apache.org">Adam Murdoch</a>
*/
public class GenericFileNameParser
extends LocalFileNameParser
{
private static final GenericFileNameParser INSTANCE = new GenericFileNameParser();
/**
* retrieve a instance to this parser
*
* @return the parser
*/
public static GenericFileNameParser getInstance()
{
return INSTANCE;
}
/**
* Pops the root prefix off a URI, which has had the scheme removed.
*/
protected String extractRootPrefix(final String uri,
final StringBuffer name)
throws FileSystemException
{
// TODO - this class isn't generic at all. Need to fix this
// Looking for <sep>
if (name.length() == 0 || name.charAt(0) != '/')
{
throw new FileSystemException("vfs.provider.local/not-absolute-file-name.error", uri);
}
// do not strip the separator, BUT also return it ...
return "/";
}
/*
* ... this is why whe need this:
* here the rootFilename can only be "/" (see above) put this "/" is also in the pathname
* so its of no value for the LocalFileName instance
*/
protected FileName createFileName(String scheme, final String rootFile, final String path, final FileType type)
{
return new LocalFileName(scheme, "", path, type);
}
}