Java InputStreamReader Read All readAll(InputStream input)

Description

read All

License

LGPL

Declaration

public static String readAll(InputStream input) throws IOException 

Method Source Code

//package com.java2s;
//License from project: LGPL 

import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringWriter;
import java.io.Writer;

import java.util.logging.Level;
import java.util.logging.Logger;

public class Main {
    public static void readAll(Reader reader, Writer writer) throws IOException {
        char buffer[] = new char[1024];
        int count = 0;

        do {//from  w w  w .  j a v a 2  s . c  o  m
            count = reader.read(buffer);
            if (count > 0) {
                writer.write(buffer, 0, count);
            }
        } while (count > 0);
    }

    public static void readAll(InputStream input, Writer writer) throws IOException {
        Reader reader = new InputStreamReader(input);

        try {
            readAll(reader, writer);
        } finally {
            closeSilently(reader);
        }
    }

    public static String readAll(InputStream input) throws IOException {
        StringWriter writer = new StringWriter();
        readAll(input, writer);
        return writer.getBuffer().toString();
    }

    public static void closeSilently(Object obj, Closeable stream) {
        if (stream == null) {
            return;
        }
        try {
            stream.close();
        } catch (IOException e) {
            Logger.getLogger(obj.getClass().getName()).log(Level.WARNING, "Error occured while closing a stream.",
                    e);
        }
    }

    public static void closeSilently(Closeable stream) {
        if (stream == null) {
            return;
        }
        try {
            stream.close();
        } catch (IOException e) {
            Logger.getLogger("Utils").log(Level.WARNING, "Error occured while closing a stream.", e);
        }
    }
}

Related

1. readAll(File file)
2. readAll(InputStreamReader reader)
3. readAll(Reader source)