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 InputStream loadFileFromURL(String url) {
    HttpClient httpClient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(url);
    HttpResponse response;//from ww w .  j  a v  a 2s.c o  m
    try {
        response = httpClient.execute(httpGet);
        if (response.getStatusLine().getStatusCode() == 200) {
            HttpEntity httpEntity = response.getEntity();
            return httpEntity.getContent();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

private static InputStream retrieveStream(String url) {

    DefaultHttpClient client = new DefaultHttpClient();

    HttpGet getRequest = new HttpGet(url);

    try {//from w w  w  . j av a  2  s. c o  m

        HttpResponse getResponse = client.execute(getRequest);
        final int statusCode = getResponse.getStatusLine().getStatusCode();

        if (statusCode != HttpStatus.SC_OK) {
            return null;
        }

        HttpEntity getResponseEntity = getResponse.getEntity();
        return getResponseEntity.getContent();

    } catch (IOException e) {
        getRequest.abort();
    }

    return null;

}

From source file:Main.java

public static byte[] loadByteFromURL(String url) {
    HttpClient httpClient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(url);
    HttpResponse response;//  w ww  .  j a v  a2  s . c om
    try {
        response = httpClient.execute(httpGet);
        if (response.getStatusLine().getStatusCode() == 200) {
            HttpEntity httpEntity = response.getEntity();
            return EntityUtils.toByteArray(httpEntity);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static String loadTextFromURL(String url, String charset) {
    HttpClient httpClient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(url);
    HttpResponse response;//  w w  w  . j a  va 2  s  . c om
    try {
        response = httpClient.execute(httpGet);
        if (response.getStatusLine().getStatusCode() == 200) {
            HttpEntity httpEntity = response.getEntity();
            return EntityUtils.toString(httpEntity, charset);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static String makeGETRequest(String url) {
    HttpClient httpclient = new DefaultHttpClient();
    HttpGet get = new HttpGet(url);

    // Fazendo a requisicao ao servidor
    try {/*from ww  w .j  a  va2 s .  c  o m*/
        ResponseHandler<String> responseHandler = new BasicResponseHandler();
        return httpclient.execute(get, responseHandler);
    } catch (ClientProtocolException e) {
        e.printStackTrace();
        return null;
    } catch (IllegalStateException e) {
        e.printStackTrace();
        return null;
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static HttpResponse postJson(String path, ArrayList<NameValuePair> params) throws Exception {

    DefaultHttpClient httpClient = new DefaultHttpClient();
    HttpPost httpPost = new HttpPost(path);
    httpPost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));

    httpPost.setHeader("Content-type", "application/x-www-form-urlencoded; charset=UTF-8");
    httpPost.setHeader("X-Requested-With", "XMLHttpRequest");

    return httpClient.execute(httpPost);
}

From source file:Main.java

public static String getJSONFromUrl(String url) {

    try {/*from w  ww . j  a va 2s .  com*/
        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:getopendata.HttpUtils.java

public static HttpResponse httpGet(String url) throws IOException {

    HttpClient httpClient = new DefaultHttpClient();
    HttpGet httpget = new HttpGet(url);
    HttpResponse response = httpClient.execute(httpget);

    return response;
}

From source file:Main.java

public static String getStringFromUrl(String url) throws ClientProtocolException, IOException {
    HttpGet get = new HttpGet(url);
    HttpClient client = new DefaultHttpClient();
    HttpResponse response = client.execute(get);
    HttpEntity entity = response.getEntity();
    return EntityUtils.toString(entity, "UTF-8");
}

From source file:com.markwatson.linkeddata.DBpediaLookupClientJson.java

public static String lookup(String query) {
    StringBuffer sb = new StringBuffer();
    try {/*ww w. j a v a  2  s.c o m*/
        HttpClient httpClient = new DefaultHttpClient();
        String query2 = query.replaceAll(" ", "+");
        HttpGet getRequest = new HttpGet(
                "http://lookup.dbpedia.org/api/search.asmx/KeywordSearch?QueryString=" + query2);
        getRequest.addHeader("accept", "application/json");
        HttpResponse response = httpClient.execute(getRequest);
        if (response.getStatusLine().getStatusCode() != 200)
            return "Server error";

        BufferedReader br = new BufferedReader(new InputStreamReader((response.getEntity().getContent())));
        String line;
        while ((line = br.readLine()) != null) {
            sb.append(line);
        }
        httpClient.getConnectionManager().shutdown();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return sb.toString();
}