Example usage for org.apache.http.client.methods CloseableHttpResponse getEntity

List of usage examples for org.apache.http.client.methods CloseableHttpResponse getEntity

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Introduction

In this page you can find the example usage for org.apache.http.client.methods CloseableHttpResponse getEntity.

Prototype

HttpEntity getEntity();

Source Link

Usage

From source file:eionet.gdem.utils.HttpUtils.java

/**
 * Downloads remote file/* ww w . j a v  a2s  . c o  m*/
 * @param url URL
 * @return Downloaded file
 * @throws DCMException If an error occurs.
 * @throws IOException If an error occurs.
 */
public static byte[] downloadRemoteFile(String url) throws DCMException, IOException {
    byte[] responseBody = null;
    CloseableHttpClient client = HttpClients.createDefault();

    // Create a method instance.
    HttpGet method = new HttpGet(url);
    // Execute the method.
    CloseableHttpResponse response = null;
    try {
        response = client.execute(method);
        HttpEntity entity = response.getEntity();
        int statusCode = response.getStatusLine().getStatusCode();

        if (statusCode != HttpStatus.SC_OK) {
            LOGGER.error("Method failed: " + response.getStatusLine().getReasonPhrase());
            throw new DCMException(BusinessConstants.EXCEPTION_SCHEMAOPEN_ERROR,
                    response.getStatusLine().getReasonPhrase());
        }

        // Read the response body.
        InputStream instream = entity.getContent();
        responseBody = IOUtils.toByteArray(instream);

        // Deal with the response.
        // Use caution: ensure correct character encoding and is not binary data
        // System.out.println(new String(responseBody));
        /*catch (HttpException e) {
        LOGGER.error("Fatal protocol violation: " + e.getMessage());
        e.printStackTrace();
        throw e;*/
    } catch (IOException e) {
        LOGGER.error("Fatal transport error: " + e.getMessage());
        e.printStackTrace();
        throw e;
    } finally {
        // Release the connection.
        response.close();
        method.releaseConnection();
        client.close();
    }
    return responseBody;
}

From source file:com.ibm.streamsx.topology.internal.streaminganalytics.RestUtils.java

public static JsonObject getGsonResponse(CloseableHttpClient httpClient, HttpRequestBase request)
        throws IOException, ClientProtocolException {
    request.addHeader("accept", ContentType.APPLICATION_JSON.getMimeType());

    CloseableHttpResponse response = httpClient.execute(request);
    JsonObject jsonResponse;//w ww  .  j a  v a2s .c  o m
    try {
        HttpEntity entity = response.getEntity();
        if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
            final String errorInfo;
            if (entity != null)
                errorInfo = " -- " + EntityUtils.toString(entity);
            else
                errorInfo = "";
            throw new IllegalStateException(
                    "Unexpected HTTP resource from service:" + response.getStatusLine().getStatusCode() + ":"
                            + response.getStatusLine().getReasonPhrase() + errorInfo);
        }

        if (entity == null)
            throw new IllegalStateException("No HTTP resource from service");

        Reader r = new InputStreamReader(entity.getContent());
        jsonResponse = new Gson().fromJson(r, JsonObject.class);
        EntityUtils.consume(entity);
    } finally {
        response.close();
    }
    return jsonResponse;
}

From source file:eu.citadel.converter.io.index.CitadelIndexUtil.java

/**
 * Index an uploaded file/*from w  w  w  .  j a  v  a2 s.  com*/
 * @param config Index publish configuration
 * @param datasetFile File name of file stored in the dataset
 * @return The response string
 * @throws ClientProtocolException
 * @throws IOException
 */
private static String saveToIndex(CitadelIndexConfig config, String datasetFile)
        throws ClientProtocolException, IOException {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    HttpPost request = new HttpPost(config.getSaveIndexUrl());

    ArrayList<NameValuePair> postParameters = new ArrayList<NameValuePair>();
    postParameters.add(new BasicNameValuePair(REQUEST_PARAM_DATASET_INFO, generateJson(config, datasetFile)));
    request.setEntity(new UrlEncodedFormEntity(postParameters));

    CloseableHttpResponse response = httpclient.execute(request);
    return EntityUtils.toString(response.getEntity());

}

From source file:com.zhch.example.commons.http.v4_5.ClientExecuteProxy.java

public static void proxyExample() throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {/*from   ww w .ja  v  a  2 s.c  o m*/
        HttpHost proxy = new HttpHost("24.157.37.61", 8080, "http");

        RequestConfig config = RequestConfig.custom().setProxy(proxy).build();
        HttpGet request = new HttpGet("http://www.ip.cn");
        request.setHeader("User-Agent",
                "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.79 Safari/537.1");

        request.setConfig(config);

        System.out.println(
                "Executing request " + request.getRequestLine() + " to " + request.getURI() + " via " + proxy);

        CloseableHttpResponse response = httpclient.execute(request);
        try {
            System.out.println("----------------------------------------");
            System.out.println(response.getStatusLine());
            System.out.println(EntityUtils.toString(response.getEntity(), "utf8"));
        } finally {
            response.close();
        }
    } finally {
        httpclient.close();
    }
}

From source file:de.intevation.irix.ImageClient.java

/** Obtains a Report from mapfish-print service.
 *
 * @param imageUrl The url to send the request to.
 * @param timeout the timeout for the httpconnection.
 *
 * @return byte[] with the report.//from w  w  w  . java 2s .  c  o  m
 *
 * @throws IOException if communication with print service failed.
 * @throws ImageException if the print job failed.
 */
public static byte[] getImage(String imageUrl, int timeout) throws IOException, ImageException {

    RequestConfig config = RequestConfig.custom().setConnectTimeout(timeout).build();

    CloseableHttpClient client = HttpClients.custom().setDefaultRequestConfig(config).build();

    HttpGet get = new HttpGet(imageUrl);
    CloseableHttpResponse resp = client.execute(get);

    StatusLine status = resp.getStatusLine();

    byte[] retval = null;
    try {
        HttpEntity respEnt = resp.getEntity();
        InputStream in = respEnt.getContent();
        if (in != null) {
            try {
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                byte[] buf = new byte[BYTE_ARRAY_SIZE];
                int r;
                while ((r = in.read(buf)) >= 0) {
                    out.write(buf, 0, r);
                }
                retval = out.toByteArray();
            } finally {
                in.close();
                EntityUtils.consume(respEnt);
            }
        }
    } finally {
        resp.close();
    }

    if (status.getStatusCode() < HttpURLConnection.HTTP_OK
            || status.getStatusCode() >= HttpURLConnection.HTTP_MULT_CHOICE) {
        if (retval != null) {
            throw new ImageException(new String(retval));
        } else {
            throw new ImageException("Communication with print service '" + imageUrl + "' failed."
                    + "\nNo response from print service.");
        }
    }
    return retval;
}

From source file:com.football.site.getdata.ScoreWebService.java

private static String GetHttpClientResponse(String url) {
    String responseText = "";
    try {//from w w  w .  ja  v  a2s. c om
        try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
            HttpGet httpGet = new HttpGet(url);
            httpGet.addHeader("X-Auth-Token", Constants.XAuthToken);
            httpGet.addHeader("Content-type", "application/json");
            CloseableHttpResponse httpResponse = httpClient.execute(httpGet);
            responseText = EntityUtils.toString(httpResponse.getEntity(), "ISO-8859-1");
            //logger.info(String.format("%s - %s", url, responseText));
        }
    } catch (IOException | ParseException e) {
        HelperUtil.AddErrorLog(logger, e);
        HelperUtil.AddErrorLogWithString(logger, url);
    }
    return responseText;
}

From source file:com.oakhole.voa.utils.HttpClientUtils.java

/**
 * ???map// w  w w.ja  v  a 2s .c om
 *
 * @param uri
 * @return
 */
public static HttpEntity get(String uri) {
    CloseableHttpClient httpClient = HttpClients.createDefault();
    HttpGet httpGet = new HttpGet(uri);
    try {
        CloseableHttpResponse httpResponse = httpClient.execute(httpGet);
        return httpResponse.getEntity();
    } catch (IOException e) {
        logger.error(":{}", e.getMessage());
    }
    return null;
}

From source file:org.esigate.http.HttpResponseUtils.java

public static ContentType getContentType(CloseableHttpResponse response) {
    HttpEntity entity = response.getEntity();
    if (entity == null) {
        return null;
    }//from  ww  w . ja  va2s.  c o  m
    return ContentType.get(entity);
}

From source file:com.twinsoft.convertigo.engine.util.HttpUtils.java

public static JSONObject requestToJSON(CloseableHttpClient httpClient, HttpRequestBase request)
        throws ClientProtocolException, IOException, UnsupportedOperationException, JSONException {
    CloseableHttpResponse response = httpClient.execute(request);
    HttpEntity responseEntity = response.getEntity();
    ContentTypeDecoder contentType = new ContentTypeDecoder(
            responseEntity == null || responseEntity.getContentType() == null ? ""
                    : responseEntity.getContentType().getValue());
    JSONObject json = new JSONObject(
            IOUtils.toString(responseEntity.getContent(), contentType.charset("UTF-8")));
    return json;/*from  www.  j a  v  a 2s.  co m*/
}

From source file:org.jboss.pnc.auth.client.SimpleOAuthConnect.java

private static String[] connect(String url, Map<String, String> urlParams)
        throws ClientProtocolException, IOException {

    CloseableHttpClient httpclient = HttpClients.createDefault();
    HttpPost httpPost = new HttpPost(url);

    // add header
    httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded");

    List<BasicNameValuePair> urlParameters = new ArrayList<BasicNameValuePair>();
    for (String key : urlParams.keySet()) {
        urlParameters.add(new BasicNameValuePair(key, urlParams.get(key)));
    }/* w  w w.j  a va2 s .  com*/
    httpPost.setEntity(new UrlEncodedFormEntity(urlParameters));
    CloseableHttpResponse response = httpclient.execute(httpPost);

    String refreshToken = "";
    String accessToken = "";
    try {
        BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

        String line = "";
        while ((line = rd.readLine()) != null) {
            if (line.contains("refresh_token")) {
                String[] respContent = line.split(",");
                for (int i = 0; i < respContent.length; i++) {
                    String split = respContent[i];
                    if (split.contains("refresh_token")) {
                        refreshToken = split.split(":")[1].substring(1, split.split(":")[1].length() - 1);
                    }
                    if (split.contains("access_token")) {
                        accessToken = split.split(":")[1].substring(1, split.split(":")[1].length() - 1);
                    }
                }
            }
        }

    } finally {
        response.close();
    }
    return new String[] { accessToken, refreshToken };

}