Java InputStreamReader Read readFile(File f)

Description

read File

License

Open Source License

Declaration

public static String readFile(File f) 

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.FileNotFoundException;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import java.util.ArrayList;

import java.util.List;

public class Main {
    public static String readFile(InputStream in) {
        BufferedReader reader = null;
        StringBuilder sb = new StringBuilder();
        try {/*w ww . j a va  2  s .co  m*/
            reader = new BufferedReader(new InputStreamReader(in, "utf-8"));
            String line = null;
            while ((line = reader.readLine()) != null)
                sb.append(line);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

        return sb.toString();
    }

    public static String readFile(File f) {
        try {
            return readFile(new FileInputStream(f));
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return null;
    }

    public static List<String> readLine(InputStream in) {
        List<String> result = new ArrayList<String>();
        BufferedReader reader = null;
        try {
            reader = new BufferedReader(new InputStreamReader(in, "utf-8"));
            String line = null;
            while ((line = reader.readLine()) != null)
                result.add(line);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

        return result;
    }

    public static List<String> readLine(File f) {
        try {
            return readLine(new FileInputStream(f));
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return null;
    }
}

Related

1. readFile(Class cls, String filename)
2. readFile(ClassLoader classloader, String filename)
3. readFile(File f)
4. readFile(File f)
5. readFile(File f)
6. readFile(File f)
7. readFile(File file)
8. readFile(File file)
9. readFile(File file)