sched/src/com/android/sched/vfs/GenericInputVFS.java


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/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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.android.sched.vfs;

import com.android.sched.util.location.Location;

import java.io.IOException;

import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;

/**
 * A {@link InputVFS} which take a {@link VFS}.
 */
public class GenericInputVFS extends AbstractVFS implements InputVFS {
  @Nonnull
  final VFS vfs;

  public GenericInputVFS(@Nonnull VFS vfs) {
    this.vfs  = vfs;
  }

  @Override
  @Nonnull
  public InputVDir getRootInputVDir() {
    return new GenericInputVDir(vfs.getRootDir());
  }

  @Override
  @Nonnull
  public String getPath() {
    return vfs.getPath();
  }

  @Override
  @Nonnull
  public Location getLocation() {
    return vfs.getLocation();
  }

  @Override
  public void close() throws IOException {
    vfs.close();
  }

  @Override
  @CheckForNull
  public String getDigest() {
    return vfs.getDigest();
  }

  @SuppressWarnings({"unchecked", "rawtypes"})
  @Nonnull
  public VPath getPathFromRoot(@Nonnull InputVFile file) {
    return ((BaseVFS) vfs).getPathFromRoot((BaseVFile) ((GenericInputVFile) file).getVFile());
  }
}