Example usage for java.net URL openConnection

Introduction

In this page you can find the example usage for java.net URL openConnection.

Prototype

public URLConnection openConnection() throws java.io.IOException

Source Link

Document

Returns a java.net.URLConnection URLConnection instance that represents a connection to the remote object referred to by the URL .

Usage

From source file:Main.java

public static Bitmap getImage(String urlpath) throws Exception {
    Bitmap bitmap = null;/* w  ww. jav  a2  s  . c o m*/
    URL url = new URL(urlpath);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("GET");
    conn.setConnectTimeout(5 * 1000);
    if (conn.getResponseCode() == 200) {
        InputStream inputStream = conn.getInputStream();
        bitmap = BitmapFactory.decodeStream(inputStream);
    }
    return bitmap;
}

From source file:WebReader.java

static void getData(String address) throws Exception {
    URL page = new URL(address);
    StringBuffer text = new StringBuffer();
    HttpURLConnection conn = (HttpURLConnection) page.openConnection();
    conn.connect();/*from  www . java 2 s  . c  o m*/
    InputStreamReader in = new InputStreamReader((InputStream) conn.getContent());

    BufferedReader buff = new BufferedReader(in);
    String line = buff.readLine();
    while (line != null) {
        text.append(line + "\n");
        line = buff.readLine();
    }
    System.out.println(text.toString());
}

From source file:Main.java

public static boolean WriteFileFromUrl(String url, String filename) {
    try {/*from w w w .jav  a 2s.c o  m*/
        URL fileUrl = new URL(url);
        URLConnection connection = fileUrl.openConnection();
        InputStream inputStream = new BufferedInputStream(fileUrl.openStream(), 10240);
        File cacheFile = new File(filename);
        FileOutputStream outputStream = new FileOutputStream(cacheFile);

        byte buffer[] = new byte[1024];
        int dataSize;
        int loadedSize = 0;
        while ((dataSize = inputStream.read(buffer)) != -1) {
            loadedSize += dataSize;
            outputStream.write(buffer, 0, dataSize);
        }

        outputStream.close();
        return true;
    } catch (Exception e) {
        Log.d("#StorageHelper Error:", e.toString());
        return false;
    }
}

From source file:Main.java

private static InputStream openStream(URL url) throws IOException {
    URLConnection connection = url.openConnection();
    if (connection instanceof JarURLConnection) {
        // See http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=5041014
        connection.setUseCaches(false);/*  w w w .ja  v a 2s.  com*/
    }
    InputStream is = connection.getInputStream();
    return is;
}

From source file:Main.java

public static Bitmap getBitmapFromRemote(String address) {
    Bitmap bitmap = null;//from   w  ww .j a  v a 2s . c  o m
    try {
        URL url = new URL(address);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoInput(true);
        conn.connect();
        InputStream is = conn.getInputStream();
        bitmap = BitmapFactory.decodeStream(is);
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap getBitmapFromURL(String strURL) {
    try {/*from  w w w.  j  a va  2 s.  c o m*/
        URL url = new URL(strURL);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoInput(true);
        connection.connect();
        InputStream input = connection.getInputStream();
        return BitmapFactory.decodeStream(input);
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:com.cloudhopper.commons.io.demo.FileServerMain.java

private static void saveFileFromUrl(URL url, String path) throws Exception {
    URLConnection urlc = url.openConnection();
    BufferedInputStream bis = new BufferedInputStream(urlc.getInputStream());
    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(new File(path)));
    int i;/*  w w  w.j  a  v  a2s .  c  o m*/
    while ((i = bis.read()) != -1) {
        bos.write(i);
    }
    bis.close();
    bos.close();
}

From source file:Main.java

public static Bitmap fetchImage(String fileUrl) {
    try {//from   ww w.  ja v a 2s. com
        URL myFileUrl = new URL(fileUrl);
        HttpURLConnection conn = (HttpURLConnection) myFileUrl.openConnection();
        conn.setDoInput(true);
        conn.connect();
        InputStream is = conn.getInputStream();
        Bitmap image = BitmapFactory.decodeStream(is);
        is.close();
        return image;
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static byte[] fetchUrlToByte(String urlStr) {

    try {//from  www . j  a v a2  s .c  om
        URL url = new URL(urlStr);
        URLConnection urlConnection = url.openConnection();
        InputStream is = urlConnection.getInputStream();

        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        byte[] buffer = new byte[1024];
        int len = 0;

        while ((len = is.read(buffer)) != -1) {
            baos.write(buffer, 0, len);
        }

        return baos.toByteArray();
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static String ParserHtml(String url) {
    String html = "";
    BufferedReader in = null;//from  w  ww .jav  a 2s .  c  om
    try {
        URL realUrl = new URL(url);
        URLConnection connection = realUrl.openConnection();
        connection.setRequestProperty("User-agent", "Mozilla/5.0");
        connection.connect();
        in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        String line;
        while ((line = in.readLine()) != null) {
            html += line;
        }

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (in != null) {
                in.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return html;
}