Java BufferedReader Read readFile(File file)

Description

read File

License

Apache License

Declaration

public static String readFile(File file) throws IOException 

Method Source Code

//package com.java2s;
/*//from www . j  a  va 2s. c o m
 * Copyright (c) 2010-2013 Evolveum
 *
 * 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.
 */

import java.io.BufferedReader;
import java.io.File;

import java.io.FileReader;
import java.io.IOException;

public class Main {
    private static final int BUFFER_SIZE = 2048;

    public static String readFile(File file) throws IOException {
        StringBuffer fileData = new StringBuffer(BUFFER_SIZE);
        BufferedReader reader = new BufferedReader(new FileReader(file));
        char[] buf = new char[BUFFER_SIZE];
        int numRead = 0;
        while ((numRead = reader.read(buf)) != -1) {
            String readData = String.valueOf(buf, 0, numRead);
            fileData.append(readData);
            buf = new char[BUFFER_SIZE];
        }
        reader.close();
        return fileData.toString();
    }

    public static String toString(Object o) {
        if (o == null) {
            return "null";
        }
        return o.toString();
    }
}

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