opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/utils/ReadFromFile.java

   1
   2 /*
   3  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   4  *
   5  * This program and the accompanying materials are made available under the
   6  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  * and is available at http://www.eclipse.org/legal/epl-v10.html
   8  */
   9
  10 package org.opendaylight.controller.sal.utils;
  11
  12 import java.util.ArrayList;
  13 import java.io.*;
  14
  15 /**
  16  * Convenience object for reading from file
  17  *
  18  *
  19  *
  20  */
  21 public class ReadFromFile {
  22     private FileInputStream fileStream;
  23     private DataInputStream dataInput;
  24     private BufferedReader bufferedReader;
  25     private String fileName;
  26     private File filePointer;
  27
  28     public ReadFromFile(String name) throws FileNotFoundException {
  29         fileName = name;
  30         fileStream = new FileInputStream(this.fileName);
  31         filePointer = new File(fileName); //needed to allow file deletion
  32     }
  33
  34     public ArrayList<String> readFile() throws IOException {
  35         dataInput = new DataInputStream(this.fileStream);
  36         bufferedReader = new BufferedReader(new InputStreamReader(dataInput));
  37
  38         ArrayList<String> lineList = new ArrayList<String>();
  39         String line;
  40         while ((line = bufferedReader.readLine()) != null) {
  41             lineList.add(line);
  42         }
  43         bufferedReader.close();
  44         dataInput.close();
  45         fileStream.close();
  46         return lineList;
  47     }
  48
  49     public boolean delete() {
  50         if (filePointer == null) {
  51             return true;
  52         }
  53         return filePointer.delete();
  54     }
  55 }