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/**
* Copyright (C) 2016 ZTE, Inc. and others. All rights reserved. (ZTE)
*
* 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.
*/

package org.openo.msb.wrapper.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;

public final class FileUtil {

    /**
     * Read all the files under a folder
     */
    public static File[] readFileFolder(String filepath) throws FileNotFoundException, IOException {
        File file = new File(filepath);
        if (file.isDirectory()) {
            File[] filelist = file.listFiles();
            return filelist;
        }
       
        return null;
    }

    public static String readFile(String Path) throws IOException{
        BufferedReader reader = null;
        String fileContent = "";
        try {
            FileInputStream fileInputStream = new FileInputStream(Path);
            InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8");
            reader = new BufferedReader(inputStreamReader);
            String tempString = null;
            while ((tempString = reader.readLine()) != null) {
                fileContent += tempString;
            }
            reader.close();
        } catch (IOException e) {
            throw e;
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException e) {
                    throw e;
                }
            }
        }
        return fileContent;
    }
}