Java FileInputStream Read readFile(File f)

Description

Reads in the file's contents, skipping all line terminators (newlines or carriage returns).

License

Open Source License

Parameter

Parameter	Description
f	the file

Exception

Parameter	Description
RuntimeException	if something goes wrong

Return

the file contents (without line terminators)

Declaration

static String readFile(File f) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * ALMA - Atacama Large Millimeter Array
 * Copyright (c) ESO - European Southern Observatory, 2011
 * (in the framework of the ALMA collaboration).
 * All rights reserved./*from   ww  w  . ja  va 2 s .  c  om*/
 * 
 * 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 2.1 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; without 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
 *******************************************************************************/

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;

import java.io.IOException;

public class Main {
    /**
     * Reads in the file's contents, skipping all
     * line terminators (newlines or carriage returns).
     * 
     * @param f the file
     * @return the file contents (without line terminators)
     * @throws RuntimeException if something goes wrong
     */
    static String readFile(File f) {
        BufferedInputStream bis = null;
        try {
            bis = new BufferedInputStream(new FileInputStream(f));
            StringBuilder buf = new StringBuilder((int) f.length());
            int c;
            while (true) {
                c = bis.read();
                if (c == -1)
                    break;
                if (c == '\r' || c == '\n')
                    continue;
                buf.append((char) c);
            }

            return buf.toString();

        } catch (IOException e) {
            throw new RuntimeException(
                    "workdir is " + System.getProperty("user.dir") + ", couldn't read file contents: " + e);

        } finally {
            try {
                bis.close();
            } catch (Exception e1) {
            }
        }
    }
}

Related

1. loadStackableItems(String fileName)
2. loadTxtFile(String fileName)
3. readFile( String filename)
4. readFile(File f)
5. readFile(File f)
6. readFile(File f)
7. readFile(File f)
8. readFile(File f)
9. readFile(File f)