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

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

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Introduction

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

Prototype

public void close() throws IOException;

Source Link

Document

Closes this stream and releases any system resources associated with it.

Usage

From source file:com.lxf.spider.client.ClientConnectionRelease.java

public final static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {//  w w w.j  a  v a  2s.c o  m
        HttpGet httpget = new HttpGet("http://localhost/");

        System.out.println("Executing request " + httpget.getRequestLine());
        CloseableHttpResponse response = httpclient.execute(httpget);
        try {
            System.out.println("----------------------------------------");
            System.out.println(response.getStatusLine());

            // Get hold of the response entity
            HttpEntity entity = response.getEntity();

            // If the response does not enclose an entity, there is no need
            // to bother about connection release
            if (entity != null) {
                InputStream instream = entity.getContent();
                try {
                    instream.read();
                    // do something useful with the response
                } catch (IOException ex) {
                    // In case of an IOException the connection will be released
                    // back to the connection manager automatically
                    throw ex;
                } finally {
                    // Closing the input stream will trigger connection release
                    instream.close();
                }
            }
        } finally {
            response.close();
        }
    } finally {
        httpclient.close();
    }
}

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

public final static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {/*from w w  w.j  a  va2s. c om*/
        HttpGet httpget = new HttpGet("http://httpbin.org/get");

        System.out.println("Executing request " + httpget.getRequestLine());
        CloseableHttpResponse response = httpclient.execute(httpget);
        try {
            System.out.println("----------------------------------------");
            System.out.println(response.getStatusLine());

            // Get hold of the response entity
            HttpEntity entity = response.getEntity();

            // If the response does not enclose an entity, there is no need
            // to bother about connection release
            if (entity != null) {
                InputStream instream = entity.getContent();
                try {
                    instream.read();
                    // do something useful with the response
                } catch (IOException ex) {
                    // In case of an IOException the connection will be released
                    // back to the connection manager automatically
                    throw ex;
                } finally {
                    // Closing the input stream will trigger connection release
                    instream.close();
                }
            }
        } finally {
            response.close();
        }
    } finally {
        httpclient.close();
    }
}

From source file:DruidResponseTime.java

public static void main(String[] args) throws Exception {
    try (CloseableHttpClient client = HttpClients.createDefault()) {
        HttpPost post = new HttpPost("http://localhost:8082/druid/v2/?pretty");
        post.addHeader("content-type", "application/json");
        CloseableHttpResponse res;

        if (STORE_RESULT) {
            File dir = new File(RESULT_DIR);
            if (!dir.exists()) {
                dir.mkdirs();//w  w  w.j  a va  2 s . com
            }
        }

        int length;

        // Make sure all segments online
        System.out.println("Test if number of records is " + RECORD_NUMBER);
        post.setEntity(new StringEntity("{" + "\"queryType\":\"timeseries\","
                + "\"dataSource\":\"tpch_lineitem\"," + "\"intervals\":[\"1992-01-01/1999-01-01\"],"
                + "\"granularity\":\"all\"," + "\"aggregations\":[{\"type\":\"count\",\"name\":\"count\"}]}"));
        while (true) {
            System.out.print('*');
            res = client.execute(post);
            boolean valid;
            try (BufferedInputStream in = new BufferedInputStream(res.getEntity().getContent())) {
                length = in.read(BYTE_BUFFER);
                valid = new String(BYTE_BUFFER, 0, length, "UTF-8").contains("\"count\" : 6001215");
            }
            res.close();
            if (valid) {
                break;
            } else {
                Thread.sleep(5000);
            }
        }
        System.out.println("Number of Records Test Passed");

        for (int i = 0; i < QUERIES.length; i++) {
            System.out.println(
                    "--------------------------------------------------------------------------------");
            System.out.println("Start running query: " + QUERIES[i]);
            try (BufferedReader reader = new BufferedReader(
                    new FileReader(QUERY_FILE_DIR + File.separator + i + ".json"))) {
                length = reader.read(CHAR_BUFFER);
                post.setEntity(new StringEntity(new String(CHAR_BUFFER, 0, length)));
            }

            // Warm-up Rounds
            System.out.println("Run " + WARMUP_ROUND + " times to warm up cache...");
            for (int j = 0; j < WARMUP_ROUND; j++) {
                res = client.execute(post);
                res.close();
                System.out.print('*');
            }
            System.out.println();

            // Test Rounds
            int[] time = new int[TEST_ROUND];
            int totalTime = 0;
            System.out.println("Run " + TEST_ROUND + " times to get average time...");
            for (int j = 0; j < TEST_ROUND; j++) {
                long startTime = System.currentTimeMillis();
                res = client.execute(post);
                long endTime = System.currentTimeMillis();
                if (STORE_RESULT && j == 0) {
                    try (BufferedInputStream in = new BufferedInputStream(res.getEntity().getContent());
                            BufferedWriter writer = new BufferedWriter(
                                    new FileWriter(RESULT_DIR + File.separator + i + ".json", false))) {
                        while ((length = in.read(BYTE_BUFFER)) > 0) {
                            writer.write(new String(BYTE_BUFFER, 0, length, "UTF-8"));
                        }
                    }
                }
                res.close();
                time[j] = (int) (endTime - startTime);
                totalTime += time[j];
                System.out.print(time[j] + "ms ");
            }
            System.out.println();

            // Process Results
            double avgTime = (double) totalTime / TEST_ROUND;
            double stdDev = 0;
            for (int temp : time) {
                stdDev += (temp - avgTime) * (temp - avgTime) / TEST_ROUND;
            }
            stdDev = Math.sqrt(stdDev);
            System.out.println("The average response time for the query is: " + avgTime + "ms");
            System.out.println("The standard deviation is: " + stdDev);
        }
    }
}

From source file:com.ccreservoirs.RSSReader.ClientConnectionRelease.java

public final static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {/*w  ww  .  j a  v a 2  s.  com*/
        HttpGet httpget = new HttpGet("http://blog.csdn.net/rss.html?type=Home&channel=");

        System.out.println("Executing request " + httpget.getRequestLine());
        CloseableHttpResponse response = httpclient.execute(httpget);
        try {
            System.out.println("----------------------------------------");
            System.out.println(response.getStatusLine());

            // Get hold of the response entity
            HttpEntity entity = response.getEntity();

            // If the response does not enclose an entity, there is no need
            // to bother about connection release
            if (entity != null) {
                InputStream instream = entity.getContent();
                try {
                    instream.read();
                    // do something useful with the response
                } catch (IOException ex) {
                    // In case of an IOException the connection will be
                    // released
                    // back to the connection manager automatically
                    throw ex;
                } finally {
                    // Closing the input stream will trigger connection
                    // release
                    instream.close();
                }
            }
        } finally {
            response.close();
        }
    } finally {
        httpclient.close();
    }
}

From source file:com.http.ClientConnectionRelease.java

public final static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {/*from ww  w. j a  v  a2s .co m*/
        HttpGet httpget = new HttpGet("http://www.apache.org/");

        // Execute HTTP request
        System.out.println("executing request " + httpget.getURI());
        CloseableHttpResponse response = httpclient.execute(httpget);
        try {
            System.out.println("----------------------------------------");
            System.out.println(response.getStatusLine());
            System.out.println("----------------------------------------");

            // Get hold of the response entity
            HttpEntity entity = response.getEntity();

            // If the response does not enclose an entity, there is no need
            // to bother about connection release
            if (entity != null) {
                InputStream instream = entity.getContent();
                try {
                    instream.read();
                    // do something useful with the response
                } catch (IOException ex) {
                    // In case of an IOException the connection will be released
                    // back to the connection manager automatically
                    throw ex;
                } finally {
                    // Closing the input stream will trigger connection release
                    instream.close();
                }
            }
        } finally {
            response.close();
        }
    } finally {
        httpclient.close();
    }
}

From source file:myexamples.QuickStart.java

public static void main(String[] args) throws Exception {
    Gson gson = new Gson();
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {//  w  ww  .  ja v  a2s .  co m
        HttpGet httpGet = new HttpGet("http://localhost:9200/gb/tweet/9");
        CloseableHttpResponse response1 = httpclient.execute(httpGet);
        // The underlying HTTP connection is still held by the response object
        // to allow the response content to be streamed directly from the network socket.
        // In order to ensure correct deallocation of system resources
        // the user MUST call CloseableHttpResponse#close() from a finally clause.
        // Please note that if response content is not fully consumed the underlying
        // connection cannot be safely re-used and will be shut down and discarded
        // by the connection manager.
        try {
            System.out.println(response1.getStatusLine());
            HttpEntity entity1 = response1.getEntity();
            // do something useful with the response body
            // and ensure it is fully consumed
            if (entity1 != null) {
                long len = entity1.getContentLength();
                if (len != -1 && len < 2048) {
                    System.out.println(EntityUtils.toString(entity1));
                } else {
                    System.out.println("entity length=" + len);
                }
            }
            EntityUtils.consume(entity1);
        } finally {
            response1.close();
        }
        /*
                    HttpPost httpPost = new HttpPost("http://targethost/login");
                    List <NameValuePair> nvps = new ArrayList <NameValuePair>();
                    nvps.add(new BasicNameValuePair("username", "vip"));
                    nvps.add(new BasicNameValuePair("password", "secret"));
                    httpPost.setEntity(new UrlEncodedFormEntity(nvps));
                    CloseableHttpResponse response2 = httpclient.execute(httpPost);
                
                    try {
        System.out.println(response2.getStatusLine());
        HttpEntity entity2 = response2.getEntity();
        // do something useful with the response body
        // and ensure it is fully consumed
        EntityUtils.consume(entity2);
                    } finally {
        response2.close();
                    }
        */ } finally {
        httpclient.close();
    }
}

From source file:com.renren.ntc.sg.util.wxpay.https.ClientCustomSSL.java

public final static void main(String[] args) throws Exception {
    KeyStore keyStore = KeyStore.getInstance("PKCS12");
    FileInputStream instream = new FileInputStream(
            new File("/Users/allenz/Downloads/wx_cert/apiclient_cert.p12"));
    try {/*from  w  w  w  .  j  a v  a2s.  com*/
        keyStore.load(instream, Constants.mch_id.toCharArray());
    } finally {
        instream.close();
    }

    // Trust own CA and all self-signed certs
    SSLContext sslcontext = SSLContexts.custom().loadKeyMaterial(keyStore, Constants.mch_id.toCharArray())
            .build();
    // Allow TLSv1 protocol only
    SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslcontext, new String[] { "TLSv1" },
            null, SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
    CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(sslsf).build();
    try {

        HttpPost post = new HttpPost("https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers");
        System.out.println("executing request" + post.getRequestLine());

        String openid = "oQfDLjmZD7Lgynv6vuoBlWXUY_ic";
        String nonce_str = Sha1Util.getNonceStr();
        String orderId = SUtils.getOrderId();
        String re_user_name = "?";
        String amount = "1";
        String desc = "";
        String spbill_create_ip = "123.56.102.224";

        String txt = TXT.replace("{mch_appid}", Constants.mch_appid);
        txt = txt.replace("{mchid}", Constants.mch_id);
        txt = txt.replace("{openid}", openid);
        txt = txt.replace("{nonce_str}", nonce_str);
        txt = txt.replace("{partner_trade_no}", orderId);
        txt = txt.replace("{check_name}", "FORCE_CHECK");
        txt = txt.replace("{re_user_name}", re_user_name);
        txt = txt.replace("{amount}", amount);
        txt = txt.replace("{desc}", desc);
        txt = txt.replace("{spbill_create_ip}", spbill_create_ip);

        SortedMap<String, String> map = new TreeMap<String, String>();
        map.put("mch_appid", Constants.mch_appid);
        map.put("mchid", Constants.mch_id);
        map.put("openid", openid);
        map.put("nonce_str", nonce_str);
        map.put("partner_trade_no", orderId);
        //FORCE_CHECK| OPTION_CHECK | NO_CHECK
        map.put("check_name", "OPTION_CHECK");
        map.put("re_user_name", re_user_name);
        map.put("amount", amount);
        map.put("desc", desc);
        map.put("spbill_create_ip", spbill_create_ip);

        String sign = SUtils.createSign(map).toUpperCase();
        txt = txt.replace("{sign}", sign);

        post.setEntity(new StringEntity(txt, "utf-8"));

        CloseableHttpResponse response = httpclient.execute(post);
        try {
            HttpEntity entity = response.getEntity();

            System.out.println(response.getStatusLine());
            if (entity != null) {
                System.out.println("Response content length: " + entity.getContentLength());
                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(entity.getContent()));
                String text;
                StringBuffer sb = new StringBuffer();
                while ((text = bufferedReader.readLine()) != null) {
                    sb.append(text);
                }
                String resp = sb.toString();
                LoggerUtils.getInstance().log(String.format("req %s rec %s", txt, resp));
                if (isOk(resp)) {

                    String payment_no = getValue(resp, "payment_no");
                    LoggerUtils.getInstance()
                            .log(String.format("order %s pay OK   payment_no %s", orderId, payment_no));
                }

            }
            EntityUtils.consume(entity);
        } finally {
            response.close();
        }
    } finally {
        httpclient.close();
    }
}

From source file:edu.harvard.hul.ois.fits.clients.FormFileUploaderClientApplication.java

/**
 * Run the program.//from  ww w .  j  a va 2 s . co m
 *
 * @param args First argument is path to the file to analyze; second (optional) is path to server for overriding default value.
 */
public static void main(String[] args) {
    // takes file path from first program's argument
    if (args.length < 1) {
        logger.error("****** Path to input file must be first argument to program! *******");
        logger.error("===== Exiting Program =====");
        System.exit(1);
    }

    String filePath = args[0];
    File uploadFile = new File(filePath);
    if (!uploadFile.exists()) {
        logger.error("****** File does not exist at expected locations! *******");
        logger.error("===== Exiting Program =====");
        System.exit(1);
    }

    if (args.length > 1) {
        serverUrl = args[1];
    }

    logger.info("File to upload: " + filePath);

    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {
        HttpPost httppost = new HttpPost(serverUrl + "false");
        FileBody bin = new FileBody(uploadFile);
        MultipartEntityBuilder builder = MultipartEntityBuilder.create();
        builder.addPart(FITS_FORM_FIELD_DATAFILE, bin);
        HttpEntity reqEntity = builder.build();
        httppost.setEntity(reqEntity);

        logger.info("executing request " + httppost.getRequestLine());
        CloseableHttpResponse response = httpclient.execute(httppost);
        try {
            logger.info("HTTP Response Status Line: " + response.getStatusLine());
            // Expecting a 200 Status Code
            if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
                String reason = response.getStatusLine().getReasonPhrase();
                logger.warn("Unexpected HTTP response status code:[" + response.getStatusLine().getStatusCode()
                        + "] -- Reason (if available): " + reason);
            } else {
                HttpEntity resEntity = response.getEntity();
                InputStream is = resEntity.getContent();
                BufferedReader in = new BufferedReader(new InputStreamReader(is));

                String output;
                StringBuilder sb = new StringBuilder();
                while ((output = in.readLine()) != null) {
                    sb.append(output);
                    sb.append(System.getProperty("line.separator"));
                }
                logger.info(sb.toString());
                in.close();
                EntityUtils.consume(resEntity);
            }
        } finally {
            response.close();
        }
    } catch (Exception e) {
        logger.error("Caught exception: " + e.getMessage(), e);
    } finally {
        try {
            httpclient.close();
        } catch (IOException e) {
            logger.warn("Exception closing HTTP client: " + e.getMessage(), e);
        }
        logger.info("DONE");
    }
}

From source file:edu.harvard.hul.ois.drs.pdfaconvert.clients.FormFileUploaderClientApplication.java

/**
 * Run the program./*from   w w  w  .j  a  v a 2  s. c om*/
 * 
 * @param args First argument is path to the file to analyze; second (optional) is path to server for overriding default value.
 */
public static void main(String[] args) {
    // takes file path from first program's argument
    if (args.length < 1) {
        logger.error("****** Path to input file must be first argument to program! *******");
        logger.error("===== Exiting Program =====");
        System.exit(1);
    }

    String filePath = args[0];
    File uploadFile = new File(filePath);
    if (!uploadFile.exists()) {
        logger.error("****** File does not exist at expected locations! *******");
        logger.error("===== Exiting Program =====");
        System.exit(1);
    }

    if (args.length > 1) {
        serverUrl = args[1];
    }

    logger.info("File to upload: " + filePath);

    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {
        HttpPost httppost = new HttpPost(serverUrl);
        FileBody bin = new FileBody(uploadFile);
        HttpEntity reqEntity = MultipartEntityBuilder.create().addPart(FORM_FIELD_DATAFILE, bin).build();
        httppost.setEntity(reqEntity);

        logger.info("executing request " + httppost.getRequestLine());
        CloseableHttpResponse response = httpclient.execute(httppost);
        try {
            logger.info("HTTP Response Status Line: " + response.getStatusLine());
            // Expecting a 200 Status Code
            if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
                String reason = response.getStatusLine().getReasonPhrase();
                logger.warn("Unexpected HTTP response status code:[" + response.getStatusLine().getStatusCode()
                        + "] -- Reason (if available): " + reason);
            } else {
                HttpEntity resEntity = response.getEntity();
                InputStream is = resEntity.getContent();
                BufferedReader in = new BufferedReader(new InputStreamReader(is));

                String output;
                StringBuilder sb = new StringBuilder("Response data received:");
                while ((output = in.readLine()) != null) {
                    sb.append(System.getProperty("line.separator"));
                    sb.append(output);
                }
                logger.info(sb.toString());
                in.close();
                EntityUtils.consume(resEntity);
            }
        } finally {
            response.close();
        }
    } catch (Exception e) {
        logger.error("Caught exception: " + e.getMessage(), e);
    } finally {
        try {
            httpclient.close();
        } catch (IOException e) {
            logger.warn("Exception closing HTTP client: " + e.getMessage(), e);
        }
        logger.info("DONE");
    }
}

From source file:com.rslakra.testcases.apache.TestApacheHttpClasses.java

/**
 * /*  ww  w  .java 2  s  . c o m*/
 * @param args
 * @throws Exception
 */
public static void main(String[] args) throws Exception {
    CloseableHttpClient httpClient = HttpClients.createDefault();
    final String urlString = "https://qawest.meetx.org/";

    CloseableHttpResponse httpResponse = null;

    try {
        HttpGet httpGet = new HttpGet(urlString);
        httpResponse = httpClient.execute(httpGet);
        /**
         *
         * The underlying HTTP connection is still held by the response
         * object to allow the response content to be streamed directly from
         * the network socket.
         * In order to ensure correct deallocation of system resources the
         * user MUST call CloseableHttpResponse#close() from a finally
         * clause.
         * Please note that if response content is not fully consumed the
         * underlying connection cannot be safely re-used and will be shut
         * down and discarded by the connection manager.
         */

        try {
            System.out.println(httpResponse.getStatusLine());
            Header[] headers = httpGet.getAllHeaders();
            for (Header header : headers) {
                System.out.println(header.getName() + "=" + header.getValue());
            }

            HttpEntity httpEntity = httpResponse.getEntity();
            // do something useful with the response body
            // and ensure it is fully consumed
            EntityUtils.consume(httpEntity);
        } finally {
            if (httpResponse != null) {
                httpResponse.close();
            }
        }

        // HttpPost httpPost = new HttpPost(urlString);
        // List<NameValuePair> nvps = new ArrayList<NameValuePair>();
        // nvps.add(new BasicNameValuePair("username", "vip"));
        // nvps.add(new BasicNameValuePair("password", "secret"));
        // httpPost.setEntity(new UrlEncodedFormEntity(nvps));
        // CloseableHttpResponse response2 = httpclient.execute(httpPost);
        //
        // try {
        // System.out.println(response2.getStatusLine());
        // HttpEntity entity2 = response2.getEntity();
        // // do something useful with the response body
        // // and ensure it is fully consumed
        // EntityUtils.consume(entity2);
        // } finally {
        // response2.close();
        // }
    } finally {
        httpClient.close();
    }
}