Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.ByteArrayOutputStream;

import java.io.InputStream;
import java.net.HttpURLConnection;

import java.net.URL;
import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

public class Main {
    public static Bitmap getBitmapFromUrl(String url) throws Exception {
        byte[] bytes = getBytesFromUrl(url);
        return byteToBitmap(bytes);
    }

    public static byte[] getBytesFromUrl(String url) throws Exception {
        return readInputStream(getRequest(url));
    }

    public static Bitmap byteToBitmap(byte[] byteArray) {
        if (byteArray.length != 0) {
            return BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length);
        } else {
            return null;
        }
    }

    public static byte[] readInputStream(InputStream inStream) throws Exception {
        ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
        byte[] buffer = new byte[4096];
        int len = 0;
        while ((len = inStream.read(buffer)) != -1) {
            outSteam.write(buffer, 0, len);
        }
        outSteam.close();
        inStream.close();
        return outSteam.toByteArray();
    }

    public static InputStream getRequest(String path) throws Exception {
        URL url = new URL(path);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");
        conn.setConnectTimeout(5000);
        if (conn.getResponseCode() == 200) {
            return conn.getInputStream();
        }
        return null;
    }
}