Example usage for org.apache.http.impl.client DefaultHttpClient DefaultHttpClient

Introduction

In this page you can find the example usage for org.apache.http.impl.client DefaultHttpClient DefaultHttpClient.

Prototype

public DefaultHttpClient()

Source Link

Usage

From source file:Main.java

public static HttpResponse getData(String url) {
    HttpResponse response = null;/*from   w ww. j  av a 2s  . c o m*/
    try {
        HttpClient client = new DefaultHttpClient();
        HttpGet request = new HttpGet();
        request.setURI(new URI(url));
        response = client.execute(request);
    } catch (URISyntaxException e) {
        e.printStackTrace();
    } catch (ClientProtocolException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return response;
}

From source file:org.radiognu.radiognu.utils.utilsradiognu.java

public static final String getResponseServiceAPI(String... uri) {
    HttpClient httpclient = new DefaultHttpClient();
    HttpResponse response;/*  w w w .ja va2 s  .c  o m*/
    String responseString = null;
    try {
        // make a HTTP request
        response = httpclient.execute(new HttpGet(uri[0]));
        StatusLine statusLine = response.getStatusLine();
        if (statusLine.getStatusCode() == HttpStatus.SC_OK) {
            // request successful - read the response and close the connection
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            response.getEntity().writeTo(out);
            out.close();
            responseString = out.toString();
        } else {
            // request failed - close the connection
            response.getEntity().getContent().close();
            throw new IOException(statusLine.getReasonPhrase());
        }
    } catch (Exception e) {
    }
    return responseString;
}

From source file:Main.java

public static String getInputStreamFromUrl(String url) {
    InputStream content = null;/*from  w w  w  .  jav  a  2 s  .  c o  m*/
    String res = "";
    try {
        HttpGet httpGet = new HttpGet(url);
        HttpClient httpclient = new DefaultHttpClient();
        // Execute HTTP Get Request
        HttpResponse response = httpclient.execute(httpGet);
        content = response.getEntity().getContent();
        res = InputStreamtoString(content);
    } catch (Exception e) {
        e.printStackTrace();
    }

    return res;
}

From source file:Main.java

public static String GET(String url) {
    InputStream inputStream = null;
    String result = "";
    try {/*from   www.  j  av  a 2s. co  m*/

        // create HttpClient
        HttpClient httpclient = new DefaultHttpClient();

        // make GET request to the given URL
        HttpResponse httpResponse = httpclient.execute(new HttpGet(url));

        // receive response as inputStream
        inputStream = httpResponse.getEntity().getContent();

        // convert inputstream to string
        if (inputStream != null)
            result = convertInputStreamToString(inputStream);
        else
            result = "Did not work!";

    } catch (Exception e) {
        Log.d("InputStream", e.getLocalizedMessage());
    }

    return result;
}

From source file:Main.java

/**
 * Code adapted from http://stackoverflow.com/a/12854981
 * @return Device external IP address or ERROR statement.
 *///  www.  j  av a 2 s.c  o m
public static String getExternalIP() {
    try {
        HttpClient httpclient = new DefaultHttpClient();
        HttpGet httpget = new HttpGet("http://ip2country.sourceforge.net/ip2c.php?format=JSON");
        // HttpGet httpget = new HttpGet("http://whatismyip.com.au/");
        // HttpGet httpget = new HttpGet("http://www.whatismyip.org/");
        HttpResponse response = httpclient.execute(httpget);
        HttpEntity entity = response.getEntity();
        if (entity != null && entity.getContentLength() > 0) {
            JSONObject json_data = new JSONObject(EntityUtils.toString(entity));
            return json_data.getString("ip");
        } else {
            Log.e(LOG_TAG, "Response error: " + response.getStatusLine().toString());
        }
    } catch (Exception e) {
        Log.e(LOG_TAG, e.toString());
    }
    return "ERROR";
}

From source file:Main.java

public static String getJson(String url) throws ClientProtocolException, IOException, InterruptedException {
    StringBuilder builder = new StringBuilder();
    HttpClient client = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(url);
    HttpResponse response = client.execute(httpGet);
    StatusLine statusLine = response.getStatusLine();
    int statusCode = statusLine.getStatusCode();
    if (statusCode == 200) {
        HttpEntity entity = response.getEntity();
        InputStream content = entity.getContent();
        BufferedReader reader = new BufferedReader(new InputStreamReader(content));
        String line;//  ww  w  .  j  a  v a 2s.  co m
        while ((line = reader.readLine()) != null)
            builder.append(line);
    }
    return builder.toString();
}

From source file:Main.java

public static JSONObject callService(String url) {
    InputStream inputStream = null;
    JSONObject result = null;//from w  ww  .  j  a  v  a2 s  .  c om
    try {
        // create HttpClient
        HttpClient httpclient = new DefaultHttpClient();
        // make GET request to the given URL
        HttpResponse httpResponse = httpclient.execute(new HttpGet(url));
        // receive response as inputStream
        inputStream = httpResponse.getEntity().getContent();
        // convert inputstream to string
        if (inputStream != null) {
            String response = convertInputStreamToString(inputStream);
            //result = new JSONObject(response);
        }
    } catch (Exception e) {
        Log.d("InputStream", e.getLocalizedMessage());
    }
    return result;
}

From source file:Main.java

public static String getJSONFromUrlWithPostRequest(String url, List<NameValuePair> params) {

    try {//from   w  w w.  j a va 2  s  .  co m
        HttpClient httpClient = new DefaultHttpClient();
        HttpPost httpPost = new HttpPost(url);

        httpPost.setEntity(new UrlEncodedFormEntity(params));

        HttpResponse httpResponse = httpClient.execute(httpPost);
        String tempResponse = EntityUtils.toString(httpResponse.getEntity());

        return tempResponse;

    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    } catch (ClientProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return "";
}

From source file:Main.java

/**
 * fetch JSONArray from given url, must be called on worker thread
 * @param url/*w w w  .j  a  v a2 s  . c  om*/
 * @return
 * @throws JSONException
 * @throws IOException
 */
public static JSONArray getRemoteJsonArray(String url) throws JSONException, IOException {
    HttpClient client = new DefaultHttpClient();
    HttpGet get = new HttpGet(url);
    HttpResponse response = client.execute(get);
    BufferedReader reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

    StringBuilder builder = new StringBuilder();
    for (String s = reader.readLine(); s != null; s = reader.readLine()) {
        builder.append(s);
    }
    return new JSONArray(builder.toString());
}

From source file:Main.java

protected static synchronized InputStream getAWebPage(URL url) throws ClientProtocolException, IOException {
    HttpClient httpClient = new DefaultHttpClient();
    HttpContext localContext = new BasicHttpContext();
    HttpGet httpGet = new HttpGet(url.toString());
    try {//from  w  w  w. jav  a2 s .  c o m
        //do the request
        HttpResponse response = httpClient.execute(httpGet, localContext);
        StatusLine status = response.getStatusLine();
        if (status.getStatusCode() != HTTP_STATUS_OK) {
            throw new IOException("Invalid response from the IKSU server! " + status.toString());
        }
        //InputStream ist = response.getEntity().getContent();

        return response.getEntity().getContent();
    } catch (Exception e) {
        e.printStackTrace();
        throw new ClientProtocolException("Protocol Exception! " + e.toString());
    }
}