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

Introduction

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

Prototype

public CloseableHttpResponse execute(final HttpUriRequest request, final HttpContext context)
        throws IOException, ClientProtocolException

Source Link

Usage

From source file:com.oakley.fon.util.HttpUtils.java

public static HttpResult getUrlByPost(String url, Map<String, String> params, Map<String, String> headers,
        int maxRetries) throws IOException {
    String result = null;/* ww w  .j  av  a  2 s . c  om*/
    int retries = 0;
    HttpContext localContext = new BasicHttpContext();
    DefaultHttpClient httpclient = getHttpClient();

    List<NameValuePair> formParams = new ArrayList<NameValuePair>();
    if (params != null) {
        Set<Entry<String, String>> paramsSet = params.entrySet();
        for (Entry<String, String> entry : paramsSet) {
            formParams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
        }
    }

    UrlEncodedFormEntity postEntity = new UrlEncodedFormEntity(formParams, UTF8);
    HttpPost httppost = new HttpPost(url);
    httppost.setEntity(postEntity);

    if (headers != null) {
        Set<Entry<String, String>> headersSet = headers.entrySet();
        for (Entry<String, String> entry : headersSet) {
            httppost.setHeader(entry.getKey(), entry.getValue());
        }
    }

    while (retries < maxRetries && result == null) {
        try {
            retries++;
            HttpEntity responseEntity = httpclient.execute(httppost, localContext).getEntity();
            if (responseEntity != null) {
                result = EntityUtils.toString(responseEntity).trim();
            }
        } catch (SocketException se) {
            if (retries > maxRetries) {
                throw se;
            } else {
                Log.v(TAG, "SocketException, retrying " + retries, se);
            }
        }
    }

    HttpHost attribute = (HttpHost) localContext.getAttribute("http.target_host");
    String targetHost = null;
    if (attribute != null) {
        targetHost = attribute.toURI();
    }

    return new HttpResult(result, (BasicHttpResponse) localContext.getAttribute("http.response"), targetHost);
}