Example usage for java.net HttpURLConnection HTTP

Introduction

In this page you can find the example usage for java.net HttpURLConnection HTTP_OK.

Prototype

int HTTP_OK

To view the source code for java.net HttpURLConnection HTTP_OK.

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Document

HTTP Status-Code 200: OK.

Usage

From source file:Main.java

/** 
 * Get image from newwork /*  ww  w . jav  a  2  s  .co  m*/
 * @param path The path of image 
 * @return InputStream 
 * @throws Exception 
 */
public static InputStream getImageStream(String path) throws Exception {
    URL url = new URL(path);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setConnectTimeout(5 * 1000);
    conn.setRequestMethod("GET");
    if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
        return conn.getInputStream();
    }
    return null;
}

From source file:Main.java

private static String httpGet(String address) {
    InputStream inputStream = null;
    HttpURLConnection httpURLConnection = null;
    try {/*from   w ww. j  a va 2s .c  om*/
        URL url = new URL(address);
        httpURLConnection = (HttpURLConnection) url.openConnection();
        httpURLConnection.connect();
        if (httpURLConnection.getResponseCode() == HttpURLConnection.HTTP_OK) {
            inputStream = httpURLConnection.getInputStream();
            int len = 0;
            byte[] buffer = new byte[1024];
            StringBuffer stringBuffer = new StringBuffer();
            while ((len = inputStream.read(buffer)) != -1) {
                stringBuffer.append(new String(buffer, 0, len));
            }
            return stringBuffer.toString();
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        close(inputStream);
        if (httpURLConnection != null) {
            httpURLConnection.disconnect();
        }

    }

    return null;

}

From source file:Main.java

public static String getJsonWithPath(String path) {
    StringBuffer sb = new StringBuffer();
    URL url = null;/*  w  w  w .  jav a2s  .  c  o  m*/
    HttpURLConnection conn = null;
    BufferedReader br = null;

    try {
        url = new URL(path);
        conn = (HttpURLConnection) url.openConnection();
        if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
            br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String temp = "";
            while ((temp = br.readLine()) != null) {
                sb.append(temp);
            }
        } else {
            Log.e(TAG, " NET IS ERROR");
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        close(br);
        conn.disconnect();
    }
    Log.i("TAG", "---" + sb.toString());
    return sb.toString();
}

From source file:Main.java

private static InputStream OpenHttpConnection(String strURL, Boolean cache) throws IOException {
    InputStream inputStream = null;

    try {//from w w w. ja  va 2s.com
        URL url = new URL(strURL);
        URLConnection conn = url.openConnection();
        conn.setUseCaches(cache);
        HttpURLConnection httpConn = (HttpURLConnection) conn;
        httpConn.setRequestMethod("GET");
        httpConn.connect();

        if (httpConn.getResponseCode() == HttpURLConnection.HTTP_OK)
            inputStream = httpConn.getInputStream();

    } catch (Exception ex) {
    }
    return inputStream;
}

From source file:Main.java

static public String download_json(String url_addr) {
    StringBuilder result = new StringBuilder();
    try {//from  ww w  .j av  a 2 s. com
        URL url = new URL(url_addr);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        if (conn != null) {
            conn.setConnectTimeout(10000);
            conn.setUseCaches(false);
            if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
                BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                for (;;) {
                    String line = br.readLine();
                    if (line == null)
                        break;
                    result.append(line + '\n');
                }
                br.close();
            } else {
                conn.disconnect();
                return null;
            }
            conn.disconnect();
        }
    } catch (Exception e) {
        Log.e(TAG, e.toString());
        return null;
    }
    return result.toString();
}

From source file:Main.java

private static InputStream getHttpConnection(String urlString) throws IOException {
    InputStream stream = null;//w  ww  .j  a v a2 s  .  co  m
    URL url = new URL(urlString);
    URLConnection connection = url.openConnection();

    try {
        HttpURLConnection httpConnection = (HttpURLConnection) connection;
        httpConnection.setRequestMethod("GET");
        httpConnection.connect();

        if (httpConnection.getResponseCode() == HttpURLConnection.HTTP_OK) {
            stream = httpConnection.getInputStream();
        }
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return stream;
}

From source file:Main.java

public static byte[] downloadImage(final URL url) {
    InputStream in = null;//from  www. j  av  a2 s.c o m
    int responseCode = -1;

    try {
        final HttpURLConnection con = (HttpURLConnection) url.openConnection();
        con.setDoInput(true);
        con.connect();
        responseCode = con.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {
            in = con.getInputStream();
            return getByteFromInputStream(in);
        }
    } catch (final IOException e) {
        Log.e(LOG_TAG, "Failed to download image from: " + url.toString(), e);
    }
    return null;
}

From source file:Main.java

public static byte[] getHtmlByteArray(final String url) {
    URL htmlUrl;//from w  w  w.j ava  2  s . c  o m
    InputStream inStream = null;
    try {
        htmlUrl = new URL(url);
        URLConnection connection = htmlUrl.openConnection();
        HttpURLConnection httpConnection = (HttpURLConnection) connection;
        int responseCode = httpConnection.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {
            inStream = httpConnection.getInputStream();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    byte[] data = inputStreamToByte(inStream);
    return data;
}

From source file:Main.java

/**
 * Makes HttpURLConnection and returns InputStream
 *//*ww  w  .j a v a2s .co m*/
private static InputStream getHttpConnection(String urlString) throws IOException {
    InputStream stream = null;
    URL url = new URL(urlString);
    URLConnection connection = url.openConnection();

    try {
        HttpURLConnection httpConnection = (HttpURLConnection) connection;
        httpConnection.setRequestMethod("GET");
        httpConnection.connect();

        if (httpConnection.getResponseCode() == HttpURLConnection.HTTP_OK) {
            stream = httpConnection.getInputStream();
        }
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return stream;
}

From source file:Main.java

@SuppressWarnings("unused")
public static void selectServer2() {
    for (String host : host_arr) {
        HttpURLConnection conn = null;
        try {//from   ww w . j  a v a  2 s.c  o  m
            conn = (HttpURLConnection) new URL(host).openConnection();
            conn.setConnectTimeout(6000);
            int result = conn.getResponseCode();
            String re = conn.getResponseMessage();
            if (result == HttpURLConnection.HTTP_OK) {
                HOST = host;//
                break;
            } else {
            }
        } catch (MalformedURLException e) {
        } catch (IOException e) {
        } finally {
            if (conn != null) {
                conn.disconnect();
                conn = null;
            }
        }

    }
}

Example usage for java.net HttpURLConnection HTTP_OK

Introduction

Prototype

Document

Usage