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 String getRepsonseString(String url, Map<String, String> params) {
    HttpPost request = new HttpPost(url);
    List<NameValuePair> p = new ArrayList<NameValuePair>();
    for (String key : params.keySet()) {
        p.add(new BasicNameValuePair(key, params.get(key)));
    }//from ww w .j a v  a 2  s. c o  m
    HttpClient httpClient = new DefaultHttpClient();
    String result = null;

    try {
        request.setEntity(new UrlEncodedFormEntity(p, HTTP.UTF_8));
        HttpResponse response = httpClient.execute(request);
        if (response.getStatusLine().getStatusCode() == 200) {
            result = new String(EntityUtils.toString(response.getEntity()).getBytes("ISO_8859_1"), "UTF-8");
        }
    } catch (UnsupportedEncodingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (ClientProtocolException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } finally {
        if (httpClient != null)
            httpClient.getConnectionManager().shutdown();
    }
    return result;
}

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From source file:Main.java

public static String initializeService(String data, String serviceName, String serviceUrl) {
    Log.d("EliademyUtils", "initializeService");
    try {//from  w w w. ja  va  2  s. co  m
        JSONObject jsObj = new JSONObject(data.toString());
        DefaultHttpClient httpclient = new DefaultHttpClient();

        HttpPost httppost = new HttpPost(serviceUrl + "/login/token.php");

        List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
        nameValuePairs.add(new BasicNameValuePair("username", jsObj.get("username").toString()));
        nameValuePairs.add(new BasicNameValuePair("password", jsObj.get("password").toString()));
        nameValuePairs.add(new BasicNameValuePair("service", serviceName));
        httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));

        HttpResponse response = httpclient.execute(httppost);

        HttpEntity entity = response.getEntity();
        if (entity != null) {
            StringBuilder jsonStr = new StringBuilder();
            InputStream iStream = entity.getContent();
            BufferedReader bufferReader = new BufferedReader(new InputStreamReader(iStream));
            String jpart;
            while ((jpart = bufferReader.readLine()) != null) {
                jsonStr.append(jpart);
            }
            iStream.close();
            Log.d("Moodle", jsonStr.toString());
            JSONObject jsonObj = new JSONObject(jsonStr.toString());
            return (String) jsonObj.get("token");
        }
    } catch (Exception e) {
        Log.e("EliademyUtils", "exception", e);
        return null;
    }
    return null;
}

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From source file:de.nico.asura.tools.JSONParser.java

public static JSONObject getJSONFromUrl(String url) {

    // Make HTTP request
    try {//from  w  ww .  j av  a2 s . co  m
        DefaultHttpClient httpClient = new DefaultHttpClient();
        HttpPost httpPost = new HttpPost(url);
        HttpResponse httpResponse = httpClient.execute(httpPost);
        HttpEntity httpEntity = httpResponse.getEntity();
        is = httpEntity.getContent();
    }

    catch (UnsupportedEncodingException e) {
        Log.e("UnsupportedEncodingException", e.toString());
    }

    catch (ClientProtocolException e) {
        Log.e("ClientProtocolException", e.toString());
    }

    catch (IOException e) {
        Log.e("IOException", e.toString());
    }

    try {
        InputStreamReader isr = new InputStreamReader(is, "UTF-8");
        BufferedReader reader = new BufferedReader(isr, 8);
        StringBuilder sb = new StringBuilder();
        String line;

        while ((line = reader.readLine()) != null) {
            sb.append(line + "\n");
        }
        is.close();
        json = sb.toString();
    }

    catch (Exception e) {
        Log.e("Buffer Error", "Error converting result " + e.toString());
    }

    // try parse the string to a JSON object
    try {
        jObj = new JSONObject(json);
    }

    catch (JSONException e) {
        Log.e("JSON Parser", "Error parsing data " + e.toString());
    }

    // return JSON String
    return jObj;

}

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From source file:com.devdungeon.httpexamples.DownloadFile.java

private static void download(String url, String filepath) {
    HttpClient client = new DefaultHttpClient();

    HttpParams params = client.getParams();
    HttpConnectionParams.setConnectionTimeout(params, 1000 * 5);
    HttpConnectionParams.setSoTimeout(params, 1000 * 5);

    HttpGet request = new HttpGet(url);

    HttpResponse response = null;/*from  w  ww.j  av a 2  s .com*/
    try {
        response = client.execute(request);
    } catch (IOException ex) {
        Logger.getLogger(HttpGetExample.class.getName()).log(Level.SEVERE, null, ex);
    }
    BufferedReader rd;
    String line = null;
    try {
        rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
        FileWriter fileWriter = new FileWriter(filepath);
        BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
        while ((line = rd.readLine()) != null) {
            bufferedWriter.write(line);
            bufferedWriter.newLine();
        }
        bufferedWriter.close();

    } catch (IOException ex) {
        Logger.getLogger(HttpGetExample.class.getName()).log(Level.SEVERE, null, ex);
    } catch (UnsupportedOperationException ex) {
        Logger.getLogger(HttpGetExample.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

From source file:Main.java

public static String openGetConnection(String urlString, Map<String, String> map) {
    List<NameValuePair> nameValuePairs = new ArrayList<>();
    for (String key : map.keySet()) {
        nameValuePairs.add(new BasicNameValuePair(key, map.get(key)));
    }//  w  w  w  .  j ava2 s . c o  m
    String params = URLEncodedUtils.format(nameValuePairs, "utf-8");
    urlString += "?";
    urlString += params;
    HttpClient client = new DefaultHttpClient();
    HttpGet get = new HttpGet(urlString);
    try {
        HttpResponse httpResponse = client.execute(get);
        BufferedReader br = new BufferedReader(new InputStreamReader(httpResponse.getEntity().getContent()));
        StringBuilder json = new StringBuilder("");
        String line = null;
        while ((line = br.readLine()) != null) {
            json.append(line);
        }
        return json.toString();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

---

From source file:Main.java

/**
 * Generate an input stream reading from an android URI
 * /*from w w  w .j  av  a  2 s  .c  o  m*/
 * @param uri
 * @return
 * @throws IOException
 */
public static InputStream getFromURI(Context context, Uri uri) throws IOException {

    if (uri.getScheme().equals("content"))
        return context.getContentResolver().openInputStream(uri);
    else if (uri.getScheme().equals("file")) {
        URL url = new URL(uri.toString());

        return url.openStream();
    } else {
        HttpClient httpclient = new DefaultHttpClient();
        HttpGet httpget = new HttpGet(uri.toString());
        HttpResponse response = httpclient.execute(httpget);
        HttpEntity entity = response.getEntity();
        if (entity != null)
            return entity.getContent();
        else
            throw new IOException("No HTTP response");
        // Use the regular java stuff
        // URL url = new URL(uri.toString());

        // return url.openStream();
    }
}

---

From source file:it.polimi.brusamentoceruti.moviebookrest.boundary.JsonRequest.java

public static JSONObject doQuery(String Url) throws JSONException, IOException {
    String responseBody = null;//from   w w w  . j av  a2s.  com
    HttpGet httpget;
    HttpClient httpClient = new DefaultHttpClient();
    try {
        httpget = new HttpGet(Url);
    } catch (IllegalArgumentException iae) {
        return null;
    }

    HttpResponse response = httpClient.execute(httpget);
    InputStream contentStream = null;
    try {
        StatusLine statusLine = response.getStatusLine();
        if (statusLine == null) {
            throw new IOException(String.format("Unable to get a response from server"));
        }
        int statusCode = statusLine.getStatusCode();
        if (statusCode < 200 && statusCode >= 300) {
            throw new IOException(
                    String.format("OWM server responded with status code %d: %s", statusCode, statusLine));
        }
        /* Read the response content */
        HttpEntity responseEntity = response.getEntity();
        contentStream = responseEntity.getContent();
        Reader isReader = new InputStreamReader(contentStream);
        int contentSize = (int) responseEntity.getContentLength();
        if (contentSize < 0)
            contentSize = 8 * 1024;
        StringWriter strWriter = new StringWriter(contentSize);
        char[] buffer = new char[8 * 1024];
        int n = 0;
        while ((n = isReader.read(buffer)) != -1) {
            strWriter.write(buffer, 0, n);
        }
        responseBody = strWriter.toString();
        contentStream.close();
    } catch (IOException e) {
        throw e;
    } catch (RuntimeException re) {
        httpget.abort();
        throw re;
    } finally {
        if (contentStream != null)
            contentStream.close();
    }
    return new JSONObject(responseBody);
}

---

From source file:it410.gmu.edu.OrderingServiceClient.java

public static void addCustomerJSON(Customer customer) throws IOException {

    Gson gson = new Gson();
    String customerString = gson.toJson(customer);
    System.out.println("Customer JSON = " + customerString);

    HttpClient client = new DefaultHttpClient();

    HttpPost post = new HttpPost("http://localhost:8080/BookstoreRestService/generic/addOrderJSON");
    post.setHeader("Content-Type", "application/json");
    StringEntity entity = new StringEntity(customerString);
    post.setEntity(entity);//from w ww  .j  av a2s  .co  m
    HttpResponse response = client.execute(post);

    BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
    String line = "";
    while ((line = rd.readLine()) != null) {
        System.out.println(line);
    }

}

---

From source file:Main.java

public static String makeRequest55(String url, String json) {
    Log.v(TAG, "URL-->" + url);
    Log.v(TAG, "input-->" + json);

    try {/*from  w  w  w.  j ava  2s . co m*/
        HttpPost httpPost = new HttpPost(url);
        httpPost.setEntity(new StringEntity(json));
        httpPost.setHeader("Accept", "application/json");
        httpPost.setHeader("Content-type", "application/json");
        //text/html
        HttpResponse httpResponse = new DefaultHttpClient().execute(httpPost);

        // receive response as inputStream
        InputStream inputStream = httpResponse.getEntity().getContent();
        // convert inputstream to string
        if (inputStream != null) {
            String result = convertInputStreamToString(inputStream);
            Log.v(TAG, "output-->" + result);
            return result;
        }
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    } catch (ClientProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return "";
}

---

From source file:Main.java

public static String makeRequest3(String url, String json) {
    Log.v(TAG, "URL-->" + url);
    Log.v(TAG, "input-->" + json);

    try {//ww w  . jav  a 2 s .c o  m
        HttpPost httpPost = new HttpPost(url);
        httpPost.setEntity(new StringEntity(json));
        //httpPost.setHeader("sessionToken",AuthToken);
        // httpPost.setHeader("Accept", "application/json");
        //  httpPost.setHeader("Content-type", "application/json"); //text/html
        HttpResponse httpResponse = new DefaultHttpClient().execute(httpPost);

        // receive response as inputStream
        InputStream inputStream = httpResponse.getEntity().getContent();
        // convert inputstream to string
        if (inputStream != null) {
            String result = convertInputStreamToString(inputStream);
            Log.d("tag", "outputtttttttttt-->" + result);
            return result;
        }
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    } catch (ClientProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return "";
}

---

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