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/**
 * Copyright © 2013 Sven Ruppert ([email protected])
 *
 * 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 org.reflections.vfs;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;


public class SystemFile implements Vfs.File {
  private final SystemDir    root;
  private final java.io.File file;

  public SystemFile(final SystemDir root , java.io.File file) {
    this.root = root;
    this.file = file;
  }

  public String getName() {
    return file.getName();
  }

  public String getRelativePath() {
    String filepath = file.getPath().replace("\\" , "/");
    if (filepath.startsWith(root.getPath())) {
      return filepath.substring(root.getPath().length() + 1);
    }

    return null; //should not get here
  }

  public InputStream openInputStream() {
    try {
      return new FileInputStream(file);
    } catch (FileNotFoundException e) {
      throw new RuntimeException(e);
    }
  }

  @Override
  public String toString() {
    return file.toString();
  }
}