Java InputStreamReader Read readFile(File file)

Description

Reads the content of the provided file.

License

Open Source License

Declaration

public static List<String> readFile(File file) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.GZIPInputStream;

public class Main {
    /**/*  www . j  av  a 2 s .  com*/
     * Reads the content of the provided file.
     */
    public static List<String> readFile(File file) throws IOException {

        InputStream is = new FileInputStream(file);
        if (file.getName().toLowerCase().endsWith(".gz"))
            is = new GZIPInputStream(is);

        List<String> lines = new ArrayList<>();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(is))) {
            String line = reader.readLine();
            while (line != null) {
                lines.add(line);
                line = reader.readLine();
            }
        }

        return lines;
    }
}

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