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.QuickStart.java

public static void main(String[] args) throws Exception {
    InputStream input = null;/*from  ww  w .j a va2  s.  c o  m*/
    OutputStream output = null;
    //httpclient
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {
        //get
        HttpGet httpGet = new HttpGet("http://127.0.0.1:8080/pdqx.jc.web/cen/center.html");
        //
        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 {
            //???
            int statusCode = response1.getStatusLine().getStatusCode();
            //??200?
            if (statusCode == HttpStatus.SC_OK) {
                //                  input = httpGet.getRequestLine();
                System.out.println(response1.getStatusLine());
                //
                HttpEntity entity1 = response1.getEntity();
                // do something useful with the response body
                // and ensure it is fully consumed
                input = entity1.getContent();
                output = new FileOutputStream("d:/lxf.data");
                //?
                int tempByte = -1;
                while ((tempByte = input.read()) > 0) {
                    output.write(tempByte);
                }
                EntityUtils.consume(entity1);
                //?
                if (input != null) {
                    input.close();
                }
                if (output != null) {
                    output.close();
                }
            }

        } 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.wolfsoftco.httpclient.RestClient.java

@SuppressWarnings("resource")
public static void main(String[] args) {
    CloseableHttpClient httpclient = null;
    CloseableHttpResponse response = null;
    try {/*from  w w  w .j ava 2s .  c  o m*/
        HttpEntity entity = null;
        String responseHtml = null;
        httpclient = HttpClients.custom().build();

        //Based on CURL line:
        //curl localhost:9090/oauth/token -d "grant_type=password&scope=write&username=greg&password=turnquist" -u foo:bar

        //clientid:secret
        String clientID = "foo:bar";

        HttpUriRequest login = RequestBuilder.post().setUri(new URI(URL))
                .addHeader("Authorization", "Basic " + Base64.encodeBase64String(clientID.getBytes()))
                .addParameter("grant_type", "password").addParameter("scope", "read")
                .addParameter("username", "greg").addParameter("password", "turnquist").build();

        response = httpclient.execute(login);
        entity = response.getEntity();

        responseHtml = EntityUtils.toString(entity);
        EntityUtils.consume(entity);

        JsonObject jsonObject = null;
        String token = null;
        if (responseHtml.startsWith("{")) {
            JsonParser parser = new JsonParser();
            jsonObject = parser.parse(responseHtml).getAsJsonObject();
            token = jsonObject.get("access_token").getAsString();
        }

        if (token != null) {
            HttpGet request = new HttpGet(URL_FLIGHTS);
            request.addHeader("Authorization", "Bearer " + token);

            response = httpclient.execute(request);
            entity = response.getEntity();
            responseHtml = EntityUtils.toString(entity);
            EntityUtils.consume(entity);
            System.out.println(responseHtml);

        }

    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        try {

            if (httpclient != null)
                httpclient.close();
            if (response != null)
                response.close();

        } catch (IOException e) {
        }
    }
}

From source file:com.cland.accessstats.util.QuickStart.java

public static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {//w w  w.  j  a va2  s .  co  m
        String origins = "-33.869952,18.537687";
        String destinations = "-33.96979309231926,18.53386491408955|-33.90630759128996,18.40310809285091|-33.97761,18.46555";
        String avoid = GMatrix.AVOID_HIGHWAYS + "|" + GMatrix.AVOID_TOLLS;
        String units = GMatrix.UNITS_DEFAULT;
        String language = "";
        boolean sensor = true;
        String url = GMatrix.getUrl(origins, destinations, GMatrix.JSON, GMatrix.MOD_DRIVING, avoid, units,
                language, sensor);
        System.out.println("Connection to... " + url);
        //GET EXAMPLE
        HttpGet httpGet = new HttpGet(url);
        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
            String result = EntityUtils.toString(entity1);
            // and ensure it is fully consumed
            EntityUtils.consume(entity1);

            //Process the result json data in the the into a collection DataEntry objects
            int num = 3; //we requested for 3 destinations
            List<DataEntry> dataentries = new ArrayList<DataEntry>();
            for (int i = 0; i < num; i++) {
                String distance = GMatrix.getDistanceText(result, 0, i);
                String duration = GMatrix.getDurationText(result, 0, i);
                DataEntry d = new DataEntry();
                d.setName("DESTINATION " + (i + 1));
                d.setDistance(distance);
                d.setTravelTime(duration);
                dataentries.add(d);

                //                   System.out.println(">>> DESTINATION " + i);
                //                   System.out.println(">>>Distance text: " + distance);
                //                  System.out.println(">>>Duration : " + duration);

            } //end for loop

            //Now we can return the collection as JSON at this ONLY has google data only
            //Lets see wat we have so far

            for (DataEntry e : dataentries) {
                System.out.println(">>> " + e.getName() + ": Distance=" + e.getDistance() + ", Duration="
                        + e.getTravelTime());
            }

        } finally {
            response1.close();
        }

        // POST EXAMPLE
        //            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:client.QueryLastFm.java

License:asdf

public static void main(String[] args) throws Exception {

    // isAlreadyInserted("asdfs","jas,jnjkah");

    // FileWriter fw = new FileWriter(".\\tracks.csv");
    OutputStream track_os = new FileOutputStream(".\\tracks.csv");
    PrintWriter out = new PrintWriter(new OutputStreamWriter(track_os, "UTF-8"));

    OutputStream track_id_os = new FileOutputStream(".\\track_id_sim_track_id.csv");
    PrintWriter track_id_out = new PrintWriter(new OutputStreamWriter(track_id_os, "UTF-8"));

    track_id_out.print("");

    ByteArrayInputStream input;/*from   ww w . j a v  a 2  s.c om*/
    Document doc = null;
    CloseableHttpClient httpclient = HttpClients.createDefault();

    String trackName = "";
    String artistName = "";
    String sourceMbid = "";
    out.print("ID");// first row first column
    out.print(",");
    out.print("TrackName");// first row second column
    out.print(",");
    out.println("Artist");// first row third column

    track_id_out.print("source");// first row second column
    track_id_out.print(",");
    track_id_out.println("target");// first row third column
    // track_id_out.print(",");
    // track_id_out.println("type");// first row third column

    // out.flush();

    // out.close();

    // fw.close();

    // os.close();

    try {
        URI uri = new URIBuilder().setScheme("http").setHost("ws.audioscrobbler.com").setPath("/2.0/")
                .setParameter("method", "track.getsimilar").setParameter("artist", "cher")
                .setParameter("track", "believe").setParameter("limit", "100")
                .setParameter("api_key", "88858618961414f8bec919bddd057044").build();

        // new URIBuilder().
        HttpGet request = new HttpGet(uri);

        // request.
        // This is useful for last.fm logging and preventing them from blocking this client
        request.setHeader(HttpHeaders.USER_AGENT,
                "nileshmore@gatech.edu - ClassAssignment at GeorgiaTech Non-commercial use");

        HttpGet httpGet = new HttpGet(
                "http://ws.audioscrobbler.com/2.0/?method=track.getsimilar&artist=cher&track=believe&limit=4&api_key=88858618961414f8bec919bddd057044");
        CloseableHttpResponse response = httpclient.execute(request);

        int statusCode = response.getStatusLine().getStatusCode();
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        // 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 {
            if (statusCode == 200) {
                HttpEntity entity1 = response.getEntity();
                BufferedReader br = new BufferedReader(
                        new InputStreamReader((response.getEntity().getContent())));
                Document document = builder.parse((response.getEntity().getContent()));
                Element root = document.getDocumentElement();
                root.normalize();
                // Need to focus and resolve this part
                NodeList nodes;
                nodes = root.getChildNodes();

                nodes = root.getElementsByTagName("track");
                if (nodes.getLength() == 0) {
                    // System.out.println("empty");
                    return;
                }
                Node trackNode;
                for (int k = 0; k < nodes.getLength(); k++) // can access all tracks now
                {
                    trackNode = nodes.item(k);
                    NodeList trackAttributes = trackNode.getChildNodes();

                    // check if mbid is present in track attributes
                    // System.out.println("Length  " + (trackAttributes.item(5).getNodeName().compareToIgnoreCase("mbid") == 0));

                    if ((trackAttributes.item(5).getNodeName().compareToIgnoreCase("mbid") == 0)) {
                        if (((Element) trackAttributes.item(5)).hasChildNodes())
                            ;// System.out.println("Go aHead");
                        else
                            continue;
                    } else
                        continue;

                    for (int n = 0; n < trackAttributes.getLength(); n++) {
                        Node attribute = trackAttributes.item(n);
                        if ((attribute.getNodeName().compareToIgnoreCase("name")) == 0) {
                            // System.out.println(((Element)attribute).getFirstChild().getNodeValue());
                            trackName = ((Element) attribute).getFirstChild().getNodeValue(); // make string encoding as UTF-8 ************ 

                        }

                        if ((attribute.getNodeName().compareToIgnoreCase("mbid")) == 0) {
                            // System.out.println(n +  "   " +  ((Element)attribute).getFirstChild().getNodeValue());
                            sourceMbid = attribute.getFirstChild().getNodeValue();

                        }

                        if ((attribute.getNodeName().compareToIgnoreCase("artist")) == 0) {
                            NodeList ArtistNodeList = attribute.getChildNodes();
                            for (int j = 0; j < ArtistNodeList.getLength(); j++) {
                                Node Artistnode = ArtistNodeList.item(j);
                                if ((Artistnode.getNodeName().compareToIgnoreCase("name")) == 0) {
                                    // System.out.println(((Element)Artistnode).getFirstChild().getNodeValue());
                                    artistName = ((Element) Artistnode).getFirstChild().getNodeValue();
                                }
                            }
                        }
                    }
                    out.print(sourceMbid);
                    out.print(",");
                    out.print(trackName);
                    out.print(",");
                    out.println(artistName);
                    // out.print(",");
                    findSimilarTracks(track_id_out, sourceMbid, trackName, artistName);

                }
                track_id_out.flush();

                out.flush();
                out.close();
                track_id_out.close();
                track_os.close();

                // fw.close();
                Element trac = (Element) nodes.item(0);
                // trac.normalize();
                nodes = trac.getChildNodes();
                // System.out.println(nodes.getLength());

                for (int i = 0; i < nodes.getLength(); i++) {
                    Node node = nodes.item(i);
                    // System.out.println(node.getNodeName());
                    if ((node.getNodeName().compareToIgnoreCase("name")) == 0) {
                        // System.out.println(((Element)node).getFirstChild().getNodeValue());
                    }

                    if ((node.getNodeName().compareToIgnoreCase("mbid")) == 0) {
                        // System.out.println(((Element)node).getFirstChild().getNodeValue());
                    }

                    if ((node.getNodeName().compareToIgnoreCase("artist")) == 0) {

                        // System.out.println("Well");
                        NodeList ArtistNodeList = node.getChildNodes();
                        for (int j = 0; j < ArtistNodeList.getLength(); j++) {
                            Node Artistnode = ArtistNodeList.item(j);
                            if ((Artistnode.getNodeName().compareToIgnoreCase("name")) == 0) {
                                /* System.out.println(((Element)Artistnode).getFirstChild().getNodeValue());*/
                            }
                            /*System.out.println(Artistnode.getNodeName());*/
                        }
                    }

                }
                /*if(node instanceof Element){
                  //a child element to process
                  Element child = (Element) node;
                  String attribute = child.getAttribute("width");
                }*/

                // System.out.println(root.getAttribute("status"));
                NodeList tracks = root.getElementsByTagName("track");
                Element track = (Element) tracks.item(0);
                // System.out.println(track.getTagName());
                track.getChildNodes();

            } else {
                System.out.println("failed with status" + response.getStatusLine());
            }
            // input = (ByteArrayInputStream)entity1.getContent();
            // do something useful with the response body
            // and ensure it is fully consumed
        } finally {
            response.close();
        }
    }

    finally {
        System.out.println("Exited succesfully.");
        httpclient.close();

    }
}

From source file:com.continuuity.loom.TestHelper.java

public static void finishTask(String loomUrl, FinishTaskRequest finishRequest) throws Exception {
    HttpPost httpPost = new HttpPost(String.format("%s/v1/loom/tasks/finish", loomUrl));
    httpPost.setEntity(new StringEntity(GSON.toJson(finishRequest)));

    CloseableHttpClient httpClient = HttpClients.createDefault();
    CloseableHttpResponse response = httpClient.execute(httpPost);
    try {//from ww  w .  j  a v a2  s . c  o m
        Assert.assertEquals(200, response.getStatusLine().getStatusCode());
    } finally {
        response.close();
    }
}

From source file:org.openo.nfvo.monitor.umc.monitor.common.HttpClientUtil.java

/**
 * @Title httpPost/*from  w w  w  .  j a va2  s  . com*/
 * @Description TODO(realize the rest interface to access by httpPost)
 * @param url
 * @throws Exception
 * @return int (return StatusCode,If zero error said)
 */
public static int httpPost(String url) throws Exception {

    CloseableHttpClient httpClient = HttpClients.createDefault();
    HttpPost httpPost = new HttpPost(url);
    try {
        CloseableHttpResponse res = httpClient.execute(httpPost);
        try {
            return res.getStatusLine().getStatusCode();
        } finally {
            res.close();
        }
    } catch (ParseException e) {
        LOGGER.error("HttpClient throw ParseException:" + url, e);
    } catch (IOException e) {
        LOGGER.error("HttpClient throw IOException:" + url, e);
    } finally {
        try {
            httpClient.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            LOGGER.error("HttpClient Close throw IOException", e);
        }
    }

    return 0;

}

From source file:org.openo.nfvo.monitor.umc.monitor.common.HttpClientUtil.java

/**
 * @Title httpDelete/*from w ww .j a  va  2 s  .  c  om*/
 * @Description TODO(realize the rest interface to access by httpDelete)
 * @param url
 * @return
 * @throws Exception
 * @return int (return StatusCode,If zero error said)
 */
public static int httpDelete(String url) throws Exception {

    CloseableHttpClient httpClient = HttpClients.createDefault();
    HttpDelete httpDelete = new HttpDelete(url);
    try {
        CloseableHttpResponse res = httpClient.execute(httpDelete);
        try {
            return res.getStatusLine().getStatusCode();
        } finally {
            res.close();
        }
    } catch (ParseException e) {
        LOGGER.error("HttpClient throw ParseException:" + url, e);
    } catch (IOException e) {
        LOGGER.error("HttpClient throw IOException:" + url, e);
    } finally {
        try {
            httpClient.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            LOGGER.error("HttpClient Close throw IOException", e);
        }
    }

    return 0;

}

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

/**
 * ?Get,?//from ww w .  ja  va2  s.  com
 *
 * @param uri
 * @param map
 * @return
 */
public static HttpEntity get(String uri, Map<String, String> map) {

    CloseableHttpClient httpClient = HttpClients.createDefault();
    List<NameValuePair> list = Lists.newArrayList();
    for (String key : map.keySet()) {
        list.add(new BasicNameValuePair(key, map.get(key)));
    }

    String param = URLEncodedUtils.format(list, CHARSET);
    String url = uri + "?" + param;
    HttpGet httpGet = new HttpGet(url);
    try {
        CloseableHttpResponse httpResponse = httpClient.execute(httpGet);
        httpResponse.close();
        return httpResponse.getEntity();
    } catch (IOException e) {
        logger.error(":{}", e.getMessage());
    }
    return null;
}

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

public static String post(String uri, File file) {
    CloseableHttpClient httpClient = HttpClients.createDefault();
    HttpPost httpPost = new HttpPost(uri);
    try {/*w w w  .j  av  a 2s. c  o m*/
        InputStreamEntity inputStreamEntity = new InputStreamEntity(new FileInputStream(file));
        //????
        httpPost.setEntity(inputStreamEntity);
        try {
            CloseableHttpResponse httpResponse = httpClient.execute(httpPost);
            httpResponse.close();
            return EntityUtils.toString(httpResponse.getEntity());
        } catch (IOException e) {
            logger.error(":{}", e.getMessage());
        }
    } catch (FileNotFoundException e) {
        logger.error(":{}", e.getMessage());
    }
    return "";
}

From source file:com.lagrange.LabelApp.java

/**
 * Try to send message with labels and its probabilities to telegram
 *///  www .  ja  v a 2  s  . c om
private static void sendMessageToTelegramBot(List<EntityAnnotation> labels) throws IOException {
    String urlSendMessage = "https://api.telegram.org/" + BOT_ID + "/sendMessage";

    CloseableHttpClient httpclient = HttpClients.createDefault();
    HttpPost httpPost = new HttpPost(urlSendMessage);
    List<NameValuePair> nvps = new ArrayList<>();
    nvps.add(new BasicNameValuePair("text", buildMessage(labels)));
    nvps.add(new BasicNameValuePair("chat_id", CHAT_ID));
    httpPost.setEntity(new UrlEncodedFormEntity(nvps));
    CloseableHttpResponse response = httpclient.execute(httpPost);

    try {
        System.out.println(response.getStatusLine());
    } finally {
        response.close();
    }
    System.out.println("Done sending text");
}