Java BufferedReader Read readFile(File file)

Description

Read file content using platform encoding and converting line endings to \\n.

License

Apache License

Declaration

public static String readFile(File file) throws IOException 

Method Source Code

//package com.java2s;
/*//  w  ww. ja v a2s . c o m
 * 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.
 */

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

import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;

public class Main {
    /**
     * Read file content using platform encoding and converting line endings to \\n.
     */
    public static String readFile(File file) throws IOException {
        StringBuilder buffer = new StringBuilder();

        BufferedReader reader = new BufferedReader(new FileReader(file)); // platform encoding

        String line;

        while ((line = reader.readLine()) != null) {
            if (buffer.length() > 0) {
                buffer.append('\n');
            }

            buffer.append(line);
        }

        return buffer.toString();
    }

    public static String toString(Throwable error) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);

        error.printStackTrace(pw);

        return sw.toString();
    }
}

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