HDFSProtocolProvider.java example

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/**
 * This file is part of muCommander, http://www.mucommander.com
 * Copyright (C) 2002-2016 Maxence Bernard
 *
 * muCommander is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * muCommander is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


package com.mucommander.commons.file.protocol.hadoop;

import com.mucommander.commons.file.AbstractFile;
import com.mucommander.commons.file.FileURL;
import com.mucommander.commons.file.protocol.ProtocolProvider;

import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;

import java.io.IOException;

/**
 * A file protocol provider for the Hadoop HDFS filesystem.
 *
 * @author Maxence Bernard
 */
public class HDFSProtocolProvider implements ProtocolProvider {

    public AbstractFile getFile(FileURL url, Object... instantiationParams) throws IOException {
        return instantiationParams.length==0
            ?new HDFSFile(url)
            :new HDFSFile(url, (FileSystem)instantiationParams[0], (FileStatus)instantiationParams[1]);
    }
}