de.schlichtherle.truezip.fs.file.FileDriver Maven / Gradle / Ivy

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/*
 * Copyright 2011 Schlichtherle IT Services
 *
 * 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 de.schlichtherle.truezip.fs.file;

import de.schlichtherle.truezip.fs.FsController;
import de.schlichtherle.truezip.fs.FsDriver;
import de.schlichtherle.truezip.fs.FsModel;
import edu.umd.cs.findbugs.annotations.CheckForNull;
import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
import edu.umd.cs.findbugs.annotations.NonNull;
import net.jcip.annotations.Immutable;

/**
 * A file system driver for the FILE scheme.
 * 
 * @author  Christian Schlichtherle
 * @version $Id$
 */
@Immutable
@DefaultAnnotation(NonNull.class)
public final class FileDriver extends FsDriver {

    @Override
    public FsController
    newController(FsModel model, @CheckForNull FsController parent) {
        assert null == model.getParent()
                ? null == parent
                : model.getParent().equals(parent.getModel());
        if (null != parent)
            throw new IllegalArgumentException();
        return new FileController(model);
    }
}