Reads a file and converts it to String - Java java.io

Java examples for java.io:FileInputStream

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Description

Reads a file and converts it to String

Demo Code

/**//from   w w  w .  j  a  v  a2  s .c o m
 * This file is part of the CRISTAL-iSE kernel.
 * Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * http://www.fsf.org/licensing/licenses/lgpl.html
 */
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.lang.reflect.Array;

public class Main {
  /**************************************************************************
   * Reads a file and converts it to String
   **************************************************************************/
  static public String file2String(File file) throws FileNotFoundException, IOException {
    FileInputStream fis = new FileInputStream(file);
    byte[] bArray = (byte[]) Array.newInstance(byte.class, (int) file.length());

    fis.read(bArray, 0, (int) file.length());
    fis.close();

    return new String(bArray);
  }

  /**************************************************************************
   * Reads a file and converts it to String
   **************************************************************************/
  static public String file2String(String fileName) throws FileNotFoundException, IOException {
    return file2String(new File(fileName));
  }
}

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