Example usage for org.apache.http.client HttpClient execute

List of usage examples for org.apache.http.client HttpClient execute

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Introduction

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

Prototype

HttpResponse execute(HttpUriRequest request) throws IOException, ClientProtocolException;

Source Link

Document

Executes HTTP request using the default context.

Usage

From source file:com.evolveum.midpoint.report.impl.ReportNodeUtils.java

public static InputStream executeOperation(String host, String fileName, String intraClusterHttpUrlPattern,
        String operation) throws CommunicationException, SecurityViolationException, ObjectNotFoundException,
        ConfigurationException, IOException {
    fileName = fileName.replaceAll("\\s", SPACE);
    InputStream inputStream = null;
    InputStream entityContent = null;
    LOGGER.trace("About to initiate connection with {}", host);
    try {// w ww . j  a v  a2s. c  o  m
        if (StringUtils.isNotEmpty(intraClusterHttpUrlPattern)) {
            LOGGER.trace("The cluster uri pattern: {} ", intraClusterHttpUrlPattern);
            URI requestUri = buildURI(intraClusterHttpUrlPattern, host, fileName);
            fileName = URLDecoder.decode(fileName, ReportTypeUtil.URLENCODING);

            LOGGER.debug("Sending request to the following uri: {} ", requestUri);
            HttpRequestBase httpRequest = buildHttpRequest(operation);
            httpRequest.setURI(requestUri);
            httpRequest.setHeader("User-Agent", ReportTypeUtil.HEADER_USERAGENT);
            HttpClient client = HttpClientBuilder.create().build();
            try (CloseableHttpResponse response = (CloseableHttpResponse) client.execute(httpRequest)) {
                HttpEntity entity = response.getEntity();
                Integer statusCode = response.getStatusLine().getStatusCode();

                if (statusCode == HttpStatus.SC_OK) {
                    LOGGER.debug("Response OK, the file successfully returned by the cluster peer. ");
                    if (entity != null) {
                        entityContent = entity.getContent();
                        ByteArrayOutputStream arrayOutputStream = new ByteArrayOutputStream();
                        byte[] buffer = new byte[1024];
                        int len;
                        while ((len = entityContent.read(buffer)) > -1) {
                            arrayOutputStream.write(buffer, 0, len);
                        }
                        arrayOutputStream.flush();
                        inputStream = new ByteArrayInputStream(arrayOutputStream.toByteArray());
                    }
                } else if (statusCode == HttpStatus.SC_NO_CONTENT) {
                    if (HttpDelete.METHOD_NAME.equals(operation)) {
                        LOGGER.info("Deletion of the file {} was successful.", fileName);
                    }
                } else if (statusCode == HttpStatus.SC_FORBIDDEN) {
                    LOGGER.error("The access to the report with the name {} is forbidden.", fileName);
                    String error = "The access to the report " + fileName + " is forbidden.";
                    throw new SecurityViolationException(error);
                } else if (statusCode == HttpStatus.SC_NOT_FOUND) {
                    String error = "The report file " + fileName
                            + " was not found on the originating nodes filesystem.";
                    throw new ObjectNotFoundException(error);
                }
            } catch (ClientProtocolException e) {
                String error = "An exception with the communication protocol has occurred during a query to the cluster peer. "
                        + e.getLocalizedMessage();
                throw new CommunicationException(error);
            }
        } else {
            LOGGER.error(
                    "Cluster pattern parameters is empty, please refer to the documentation and set up the parameter value accordingly");
            throw new ConfigurationException(
                    "Cluster pattern parameters is empty, please refer to the documentation and set up the parameter value accordingly");
        }
    } catch (URISyntaxException e1) {
        throw new CommunicationException("Invalid uri syntax: " + e1.getLocalizedMessage());
    } catch (UnsupportedEncodingException e) {
        LOGGER.error("Unhandled exception when listing nodes");
        LoggingUtils.logUnexpectedException(LOGGER, "Unhandled exception when listing nodes", e);
    } finally {
        IOUtils.closeQuietly(entityContent);
    }

    return inputStream;
}

From source file:com.iti.request.NearbyService.java

public static String httpGet(String url) throws IOException {
    //connect to url
    HttpClient client = new DefaultHttpClient();
    HttpGet get = new HttpGet(url);

    HttpResponse response;/*  www  .  jav  a 2  s. c  o m*/

    response = client.execute(get);

    InputStream in = response.getEntity().getContent();

    BufferedReader reader = new BufferedReader(new InputStreamReader(in));

    StringBuffer result = new StringBuffer();
    String line;
    while ((line = reader.readLine()) != null) {
        result.append(line);
    }

    return result.toString();
}

From source file:uk.ac.ebi.atlas.utils.HttpRequest.java

public static InputStream httpPost(org.apache.http.client.HttpClient httpClient, String url,
        List<? extends NameValuePair> params) throws IOException {
    HttpPost httpPost = new HttpPost(url);
    httpPost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));
    HttpResponse response = httpClient.execute(httpPost);

    int statusCode = response.getStatusLine().getStatusCode();
    if (statusCode == HttpStatus.SC_OK) {
        return response.getEntity().getContent();
    }/*from w  ww  .  j  av a  2s  .co m*/
    throw new IOException(
            "Server returned invalid response: [status_code = " + statusCode + "; url = " + url + "]");
}

From source file:core.RESTCalls.RESTPost.java

public static String httpPost(String urlStr) throws Exception {

    HttpClient client = new DefaultHttpClient();

    HttpPost post = new HttpPost(urlStr);

    HttpResponse response = client.execute(post);

    BufferedReader r = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

    StringBuilder total = new StringBuilder();

    String line = null;/*from w  w  w  . j a  v  a 2  s. c o  m*/

    while ((line = r.readLine()) != null)
        total.append(line + "\n");

    return total.toString();
}

From source file:com.rogiel.httpchannel.util.HttpClientUtils.java

public static Future<HttpResponse> executeAsyncHttpResponse(final HttpClient client,
        final HttpUriRequest request) throws IOException {
    return threadPool.submit(new Callable<HttpResponse>() {
        @Override/*from  w ww.j a v a2s  .  com*/
        public HttpResponse call() throws Exception {
            return client.execute(request);
        }
    });
}

From source file:jfabrix101.lib.helper.NetworkHelper.java

/**
 * Last part of execution an http request.
 * Execute a request and return the body. 
 * @param httpClient/*from w  w w .  ja  va 2s.co m*/
 * @param httpRequest
 * @return
 * @throws Exception
 */
private static String execHttpRequest(HttpClient httpClient, HttpRequestBase httpRequest) throws Exception {
    HttpResponse response = httpClient.execute(httpRequest);
    int returnCode = response.getStatusLine().getStatusCode();

    String htmlBody = EntityUtils.toString(response.getEntity());

    if (returnCode != HttpStatus.SC_OK) {
        mLogger.error("- Network error reading URL: " + httpRequest.getURI().toString());
        mLogger.error("- Network error: HttpStatusCode : " + response.getStatusLine().getStatusCode());
        return null;
    }
    return htmlBody;
}

From source file:com.foundationdb.http.HttpThreadedLoginIT.java

private static int openRestURL(String userInfo, int port, String path) throws Exception {
    HttpClient client = new DefaultHttpClient();
    URI uri = new URI("http", userInfo, "localhost", port, path, null, null);
    HttpGet get = new HttpGet(uri);
    HttpResponse response = client.execute(get);
    int code = response.getStatusLine().getStatusCode();
    EntityUtils.consume(response.getEntity());
    client.getConnectionManager().shutdown();
    return code;/* www.j ava2s.c om*/
}

From source file:org.apache.heron.integration_topology_test.core.HttpUtils.java

public static int httpJsonPost(String newHttpPostUrl, String jsonData) throws IOException, ParseException {
    HttpClient client = HttpClientBuilder.create().build();
    HttpPost post = new HttpPost(newHttpPostUrl);

    StringEntity requestEntity = new StringEntity(jsonData, ContentType.APPLICATION_JSON);

    post.setEntity(requestEntity);//from   w  ww  . j  ava2s .c o  m
    HttpResponse response = client.execute(post);

    return response.getStatusLine().getStatusCode();
}

From source file:com.mber.client.HTTParty.java

private static Call execute(final HttpUriRequest request) throws IOException {
    HttpClient client = new DefaultHttpClient();
    try {/*from ww  w .  j a va2  s .  co  m*/
        request.addHeader("REST-API-Version", MBER_VERSION);
        HttpResponse response = client.execute(request);
        String body = toString(response.getEntity().getContent());
        return new Call(request.getMethod(), request.getURI(), response.getStatusLine().getStatusCode(), body);
    } finally {
        client.getConnectionManager().shutdown();
    }
}

From source file:com.poguico.palmabici.network.synchronizer.NetworkSynchronizerTask.java

private static String[] getNetworkInfo() {
    StringBuilder builder = new StringBuilder();
    HttpClient client = new DefaultHttpClient();
    HttpGet request = new HttpGet(URL);
    String[] ret = new String[2];
    String line;//from w  ww  .j a va 2  s.  c om

    try {
        HttpResponse response = client.execute(request);
        StatusLine statusLine = response.getStatusLine();
        ret[0] = String.valueOf(statusLine.getStatusCode());
        if (statusLine.getStatusCode() == HTTP_STATUS_OK) {
            HttpEntity entity = response.getEntity();
            InputStream content = entity.getContent();
            InputStreamReader contentReader = new InputStreamReader(content);
            BufferedReader reader = new BufferedReader(contentReader);

            while ((line = reader.readLine()) != null) {
                builder.append(line);
            }
            ret[1] = builder.toString();
        } else {
            Log.e(NetworkSynchronizerTask.class.toString(), "Failed to download file");
        }
    } catch (Exception e) {
        ret[0] = STR_HTTP_STATUS_NOT_FOUND;
        e.printStackTrace();
    }
    return ret;
}