com.epam.deltix.util.vfs.VFileSystemFactory Maven / Gradle / Ivy

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/*
 * Copyright 2021 EPAM Systems, Inc
 *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. 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 com.epam.deltix.util.vfs;

import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.Properties;

public class VFileSystemFactory {
    
    private static final VFileSystemFactory INSTANCE = new VFileSystemFactory();

    public static VFileSystemFactory getInstance() {
        return INSTANCE;
    }
   
    private VFileSystemFactory() {        
    }
    
    public VFileSystem mount(URL url) throws IOException {
        return mount(url, null);
    }

    public VFileSystem mount(URL url, Properties props) throws IOException {
        final String protocol = url.getProtocol();
        final String path = url.getPath();
        switch (protocol) {
            case "file":
                if (path != null && path.toLowerCase().endsWith(".zip")) {
                    return new ZipFileSystem(new File(path), props);
                } else {
                    try {
                        return new LocalFileSystem(new File(url.toURI()));
                    } catch (URISyntaxException e) {
                        throw new IOException(e);
                    }
                }
            case "jar":
                return new ZipFileSystem(new File(path), props);
            case "http":
            case "https":
                return new HttpFileSystem(url);
        }
        
        throw new IllegalArgumentException("Unsupported protocol: " + protocol);
    }    
    
}