/**

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  *  to you 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.apache.creadur.whisker.app.load;

 import java.io.BufferedInputStream;

 import java.io.File;

 import java.io.FileInputStream;

 import java.io.IOException;

 import java.io.InputStream;

 import org.apache.creadur.whisker.app.StreamableResource;

 /**

  * Streams the contents of a file.

  */

 public final class StreamableFileResource extends StreamableResource {

     /** The file to be streamed. */

     private final File file;

     /**

      * Constructs an object that streams the file on demand.

      * @param file not null

      */

     public StreamableFileResource(final File file) {

         super();

         this.file = file;

     }

     /**

      * Opens the file as an input stream.

      * @return not null

      * @see StreamableResource#open()

      * @throws IOException when resource cannot be opened

      */

     @Override

     public InputStream open() throws IOException {

         return new BufferedInputStream(new FileInputStream(file));

     }

     /**

      * A description suitable for diagnostics.

      * @return something suitable for diagnostics, not null

      */

     @Override

     public String toString() {

         return "StreamableFileResource [file=" + file + "]";

     }

 }