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Buession Framework IO Package
There is a newer version: 2.3.3
/*
 * 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.
 *
 * =================================================================================================
 *
 * This software consists of voluntary contributions made by many individuals on behalf of the
 * Apache Software Foundation. For more information on the Apache Software Foundation, please see
 * .
 *
 * +------------------------------------------------------------------------------------------------+
 * | License: http://www.apache.org/licenses/LICENSE-2.0.txt 										|
 * | Author: Yong.Teng  													|
 * | Copyright @ 2013-2019 Buession.com Inc.														|
 * +------------------------------------------------------------------------------------------------+
 */
package com.buession.io.file;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.net.URI;

/**
 * @author Yong.Teng
 */
public class File extends java.io.File {

    private static final long serialVersionUID = 1512573860637989192L;

    /**
     * @param parent
     *         父目录
     * @param child
     *         子文件
     */
    public File(java.io.File parent, String child){
        super(parent, child);
    }

    /**
     * @param path
     *         文件路径
     */
    public File(String path){
        super(path);
    }

    /**
     * @param parent
     *         父目录
     * @param child
     *         子文件
     */
    public File(String parent, String child){
        super(parent, child);
    }

    /**
     * @param uri
     *         URI
     */
    public File(URI uri){
        super(uri);
    }

    /**
     * 读取文件内容
     *
     * @return 文件内容
     *
     * @throws FileNotFoundException
     *         当文件不存在
     * @throws IOException
     *         IO 异常
     */
    public String read() throws FileNotFoundException, IOException{
        FileReader reader = new FileReader(this);

        BufferedReader bufferedReader = new BufferedReader(reader);
        StringBuffer sb = new StringBuffer();
        String line;

        while((line = bufferedReader.readLine()) != null){
            sb.append(line);
        }

        if(bufferedReader != null){
            try{
                bufferedReader.close();
            }catch(IOException e){
            }
        }

        bufferedReader.close();

        return sb.toString();
    }

    /**
     * 向文件写内容
     *
     * @param str
     *         待写入内容
     *
     * @throws IOException
     *         IO 异常
     */
    public void write(final String str) throws IOException{
        FileWriter writer = new FileWriter(this);

        writer.write(str);
        writer.close();
    }

    /**
     * 向文件写内容
     *
     * @param chars
     *         待写入内容
     *
     * @throws IOException
     *         IO 异常
     */
    public void write(final char[] chars) throws IOException{
        FileWriter writer = new FileWriter(this);

        writer.write(chars);
        writer.close();
    }

}