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Apache Commons VFS is a Virtual File System library.
/*
* 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 org.apache.commons.vfs2.FileName;
import org.apache.commons.vfs2.FileSystemException;
import org.apache.commons.vfs2.FileType;
/**
* A general-purpose file name parser.
*/
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.
*/
@Override
protected String extractRootPrefix(final String uri, final StringBuilder name) throws FileSystemException {
// TODO - this class isn't generic at all. Need to fix this
// Looking for
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
*/
@Override
protected FileName createFileName(final String scheme, final String rootFile, final String path,
final FileType type) {
return new LocalFileName(scheme, "", path, type);
}
}
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