Example usage for org.apache.http.impl.client CloseableHttpClient close

List of usage examples for org.apache.http.impl.client CloseableHttpClient close

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Introduction

In this page you can find the example usage for org.apache.http.impl.client CloseableHttpClient 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:myexamples.QuickStart.java

public static void main(String[] args) throws Exception {
    Gson gson = new Gson();
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {/*from   w ww . ja  v a  2  s.  c  o 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.gemini.httpclienttest.HttpClientTestMain.java

public static void main(String[] args) {
    //authenticate with the server
    URL url;/*from www.ja  va2 s . c om*/
    try {
        url = new URL("http://198.11.209.34:5000/v2.0/tokens");
    } catch (MalformedURLException ex) {
        System.out.printf("Invalid Endpoint - not a valid URL {}", "http://198.11.209.34:5000/v2.0");
        return;
    }
    CloseableHttpClient httpclient = HttpClientBuilder.create().build();
    try {
        HttpPost httpPost = new HttpPost(url.toString());
        httpPost.setHeader("Content-Type", "application/json");
        StringEntity strEntity = new StringEntity(
                "{\"auth\":{\"tenantName\":\"Gemini-network-prj\",\"passwordCredentials\":{\"username\":\"sri\",\"password\":\"srikumar12\"}}}");
        httpPost.setEntity(strEntity);
        //System.out.println("Executing request " + httpget.getRequestLine());
        CloseableHttpResponse response = httpclient.execute(httpPost);
        try {
            //get the response status code 
            String respStatus = response.getStatusLine().getReasonPhrase();

            //get the response body
            int bytes = response.getEntity().getContent().available();
            InputStream body = response.getEntity().getContent();
            BufferedReader in = new BufferedReader(new InputStreamReader(body));
            String line;
            StringBuffer sbJSON = new StringBuffer();
            while ((line = in.readLine()) != null) {
                sbJSON.append(line);
            }
            String json = sbJSON.toString();
            EntityUtils.consume(response.getEntity());

            GsonBuilder gsonBuilder = new GsonBuilder();
            Object parsedJson = gsonBuilder.create().fromJson(json, Object.class);
            System.out.printf("Parsed json is of type %s\n\n", parsedJson.getClass().toString());
            if (parsedJson instanceof com.google.gson.internal.LinkedTreeMap) {
                com.google.gson.internal.LinkedTreeMap treeJson = (com.google.gson.internal.LinkedTreeMap) parsedJson;
                if (treeJson.containsKey("id")) {
                    String s = (String) treeJson.getOrDefault("id", "no key provided");
                    System.out.printf("\n\ntree contained id %s\n", s);
                } else {
                    System.out.printf("\n\ntree does not contain key id\n");
                }
            }
        } catch (IOException ex) {
            System.out.print(ex);
        } finally {
            response.close();
        }
    } catch (IOException ex) {
        System.out.print(ex);
    } finally {
        //lots of exceptions, just the connection and exit
        try {
            httpclient.close();
        } catch (IOException | NoSuchMethodError ex) {
            System.out.print(ex);
            return;
        }
    }
}

From source file:org.apache.http.examples.client.ClientWithResponseHandlerForUms.java

public final static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    //    DefaultHttpParams.getDefaultParams().setParameter("http.protocol.cookie-policy", CookiePolicy.BROWSER_COMPATIBILITY);
    //    httpclient.getParams().setParameter(ClientPNames.COOKIE_POLICY, CookiePolicy.BEST_MATCH);
    try {/*from   w  ww .j av  a2s  .com*/
        //      String url = "http://mxyinghang.com/pay/ums/umsLogin.htm";
        String url = "http://cs.com:8080/web/ums/verify";
        HttpGet httpget = new HttpGet(url);
        httpget.setHeader("Accept",
                "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
        httpget.setHeader("Accept-Encoding", "gzip, deflate, sdch");
        httpget.setHeader("Accept-Language", "zh-CN,zh;q=0.8");
        httpget.setHeader("Cache-Control", "no-cache");
        httpget.setHeader("Connection", "keep-alive");
        httpget.setHeader("Referer", "http://mxyinghang.com/richboss/");
        httpget.setHeader("User-Agent",
                "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.93 Safari/537.36");

        System.out.println("Executing request httpget.getRequestLine() " + httpget.getRequestLine());

        // Create a custom response handler
        ResponseHandler<String> responseHandler = new ResponseHandler<String>() {

            public String handleResponse(final HttpResponse response)
                    throws ClientProtocolException, IOException {
                int status = response.getStatusLine().getStatusCode();
                if (status >= 200 && status < 300) {
                    HttpEntity entity = response.getEntity();
                    return entity != null ? EntityUtils.toString(entity, "utf-8") : null;
                } else {
                    throw new ClientProtocolException("Unexpected response status: " + status);
                }
            }

        };
        String responseBody = httpclient.execute(httpget, responseHandler);
        System.out.println("----------------------------------------");
        System.out.println(responseBody);

        System.out.println("----------------------------------------");
        //      ObjectMapper mapper = new ObjectMapper();
        //      mapper.readValue(responseBody, AddressCoord.class);
        //      JsonNode root = mapper.readTree(responseBody.substring("showLocation&&showLocation(".length(), responseBody.length()-1));

    } finally {
        httpclient.close();
    }
}

From source file:testing01.QuickStart.java

public static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    String outputFile = "test.html";
    String baseWebSite = "http://www.ettoday.net/news/20130802/250478.htm";
    try {//from   w  w  w  .  j  av a  2 s.co  m
        //HttpGet httpGet = new HttpGet(baseWebSite + "cat/politic/r");
        HttpGet httpGet = new HttpGet(baseWebSite);
        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
            String responseString = EntityUtils.toString(entity1, "UTF-8");
            // System.out.println(responseString);
            Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outputFile), "UTF8"));
            out.write(responseString);
            out.close();
            EntityUtils.consume(entity1);
            System.out.println(baseWebSite + " output to " + outputFile + " successful");
        } catch (Exception e) {
            System.out.println(e.getMessage());
        } 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:ATTHackPause.Main.java

public static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {/*  ww w.  j a v a2  s  .c  o  m*/
        HttpGet httpGet = new HttpGet(
                "https://api-m2x.att.com/v2/devices/ecbcc13b43417c6d9e1dc7618bbb1e6c/streams/");
        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
            EntityUtils.consume(entity1);
        } finally {
            response1.close();
        }

        HttpPost httpPost = new HttpPost(
                "https://api-m2x.att.com/v2/devices/ecbcc13b43417c6d9e1dc7618bbb1e6c/streams/Distance/values");
        // List <NameValuePair> nvps = new ArrayList <NameValuePair>();
        // nvps.add(new BasicNameValuePair("value", "15"));
        // nvps.add(new BasicNameValuePair("timestamp", "2016-04-09T19:37:42+00:00"));
        // httpPost.setEntity(new UrlEncodedFormEntity(nvps));

        String jsonString = "{\"values\":[{\"value\": \"99\",\"timestamp\": \"2016-04-09T20:43:49+00:00\"}]}";
        //System.out.println("\n\njsonString: " + jsonString);
        //            JSONArray jsonArray = new JSONArray(jsonString);
        //            System.out.println("\n\njsonArray: " + jsonArray);
        StringEntity se = new StringEntity(jsonString);
        httpPost.setEntity(se);

        httpPost.setHeader("Content-type", "application/json");
        httpPost.setHeader("X-M2X-KEY", "20bfa4a4f5ed88f94d772e8389e9a6d0");
        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.li.tools.httpclient.util.ClientConfiguration.java

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

    // Use custom message parser / writer to customize the way HTTP
    // messages are parsed from and written out to the data stream.
    HttpMessageParserFactory<HttpResponse> responseParserFactory = new DefaultHttpResponseParserFactory() {

        @Override//w  ww .jav a2s. co  m
        public HttpMessageParser<HttpResponse> create(SessionInputBuffer buffer,
                MessageConstraints constraints) {
            LineParser lineParser = new BasicLineParser() {

                @Override
                public Header parseHeader(final CharArrayBuffer buffer) {
                    try {
                        return super.parseHeader(buffer);
                    } catch (ParseException ex) {
                        return new BasicHeader(buffer.toString(), null);
                    }
                }

            };
            return new DefaultHttpResponseParser(buffer, lineParser, DefaultHttpResponseFactory.INSTANCE,
                    constraints) {

                @Override
                protected boolean reject(final CharArrayBuffer line, int count) {
                    // try to ignore all garbage preceding a status line infinitely
                    return false;
                }

            };
        }

    };
    HttpMessageWriterFactory<HttpRequest> requestWriterFactory = new DefaultHttpRequestWriterFactory();

    // Use a custom connection factory to customize the process of
    // initialization of outgoing HTTP connections. Beside standard connection
    // configuration parameters HTTP connection factory can define message
    // parser / writer routines to be employed by individual connections.
    HttpConnectionFactory<HttpRoute, ManagedHttpClientConnection> connFactory = new ManagedHttpClientConnectionFactory(
            requestWriterFactory, responseParserFactory);

    // Client HTTP connection objects when fully initialized can be bound to
    // an arbitrary network socket. The process of network socket initialization,
    // its connection to a remote address and binding to a local one is controlled
    // by a connection socket factory.

    // SSL context for secure connections can be created either based on
    // system or application specific properties.
    SSLContext sslcontext = SSLContexts.createSystemDefault();

    // Create a registry of custom connection socket factories for supported
    // protocol schemes.
    Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
            .register("http", PlainConnectionSocketFactory.INSTANCE)
            .register("https", new SSLConnectionSocketFactory(sslcontext)).build();

    // Use custom DNS resolver to override the system DNS resolution.
    DnsResolver dnsResolver = new SystemDefaultDnsResolver() {

        @Override
        public InetAddress[] resolve(final String host) throws UnknownHostException {
            if (host.equalsIgnoreCase("myhost")) {
                return new InetAddress[] { InetAddress.getByAddress(new byte[] { 127, 0, 0, 1 }) };
            } else {
                return super.resolve(host);
            }
        }

    };

    // Create a connection manager with custom configuration.
    PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(
            socketFactoryRegistry, connFactory, dnsResolver);

    // Create socket configuration
    SocketConfig socketConfig = SocketConfig.custom().setTcpNoDelay(true).build();
    // Configure the connection manager to use socket configuration either
    // by default or for a specific host.
    connManager.setDefaultSocketConfig(socketConfig);
    connManager.setSocketConfig(new HttpHost("somehost", 80), socketConfig);
    // Validate connections after 1 sec of inactivity
    connManager.setValidateAfterInactivity(1000);

    // Create message constraints
    MessageConstraints messageConstraints = MessageConstraints.custom().setMaxHeaderCount(200)
            .setMaxLineLength(2000).build();
    // Create connection configuration
    ConnectionConfig connectionConfig = ConnectionConfig.custom()
            .setMalformedInputAction(CodingErrorAction.IGNORE)
            .setUnmappableInputAction(CodingErrorAction.IGNORE).setCharset(Consts.UTF_8)
            .setMessageConstraints(messageConstraints).build();
    // Configure the connection manager to use connection configuration either
    // by default or for a specific host.
    connManager.setDefaultConnectionConfig(connectionConfig);
    connManager.setConnectionConfig(new HttpHost("somehost", 80), ConnectionConfig.DEFAULT);

    // Configure total max or per route limits for persistent connections
    // that can be kept in the pool or leased by the connection manager.
    connManager.setMaxTotal(100);
    connManager.setDefaultMaxPerRoute(10);
    connManager.setMaxPerRoute(new HttpRoute(new HttpHost("somehost", 80)), 20);

    // Use custom cookie store if necessary.
    CookieStore cookieStore = new BasicCookieStore();
    // Use custom credentials provider if necessary.
    CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
    // Create global request configuration
    RequestConfig defaultRequestConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.DEFAULT)
            .setExpectContinueEnabled(true)
            .setTargetPreferredAuthSchemes(Arrays.asList(AuthSchemes.NTLM, AuthSchemes.DIGEST))
            .setProxyPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC)).build();

    // Create an HttpClient with the given custom dependencies and configuration.
    CloseableHttpClient httpclient = HttpClients.custom().setConnectionManager(connManager)
            .setDefaultCookieStore(cookieStore).setDefaultCredentialsProvider(credentialsProvider)
            .setProxy(new HttpHost("myproxy", 8080)).setDefaultRequestConfig(defaultRequestConfig).build();

    try {
        HttpGet httpget = new HttpGet("http://httpbin.org/get");
        // Request configuration can be overridden at the request level.
        // They will take precedence over the one set at the client level.
        RequestConfig requestConfig = RequestConfig.copy(defaultRequestConfig).setSocketTimeout(5000)
                .setConnectTimeout(5000).setConnectionRequestTimeout(5000)
                .setProxy(new HttpHost("myotherproxy", 8080)).build();
        httpget.setConfig(requestConfig);

        // Execution context can be customized locally.
        HttpClientContext context = HttpClientContext.create();
        // Contextual attributes set the local context level will take
        // precedence over those set at the client level.
        context.setCookieStore(cookieStore);
        context.setCredentialsProvider(credentialsProvider);

        System.out.println("executing request " + httpget.getURI());
        CloseableHttpResponse response = httpclient.execute(httpget, context);
        try {
            System.out.println("----------------------------------------");
            System.out.println(response.getStatusLine());
            System.out.println(EntityUtils.toString(response.getEntity()));
            System.out.println("----------------------------------------");

            // Once the request has been executed the local context can
            // be used to examine updated state and various objects affected
            // by the request execution.

            // Last executed request
            context.getRequest();
            // Execution route
            context.getHttpRoute();
            // Target auth state
            context.getTargetAuthState();
            // Proxy auth state
            context.getTargetAuthState();
            // Cookie origin
            context.getCookieOrigin();
            // Cookie spec used
            context.getCookieSpec();
            // User security token
            context.getUserToken();

        } finally {
            response.close();
        }
    } finally {
        httpclient.close();
    }
}

From source file:com.oocl.euc.ita.test.QuickStart.java

public static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {/* w  ww. java2s .  com*/

        //           HttpPost?
        HttpPost httpPost = new HttpPost("http://localhost:8080/qb-webapp/login");
        List<NameValuePair> nvps = new ArrayList<NameValuePair>();
        nvps.add(new BasicNameValuePair("username", "Neolarry"));
        nvps.add(new BasicNameValuePair("password", "123456789"));
        httpPost.setEntity(new UrlEncodedFormEntity(nvps, "UTF-8"));
        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();
        }

        HttpGet httpGet = new HttpGet("http://localhost:8080/qb-webapp/api/trainer");
        System.out.println(httpGet.getURI());
        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("get: "+response1.getStatusLine());
            HttpEntity entity1 = response1.getEntity();
            // do something useful with the response body
            // and ensure it is fully consumed
            String responseString = "";

            if (entity1 != null) {
                //     
                //                    System.out.println("Response content length: " + entity1.getContentLength());  
                System.out.println(responseString = EntityUtils.toString(entity1));
                // ?                      
            }

            //JsonToObject
            //              JSONArray s = JSONArray.parseArray(responseString);
            //              for (int i = 0; i < s.size(); i++) {
            //                 System.out.println(s.get(i));
            //              }

            EntityUtils.consume(entity1);
        } finally {
            response1.close();
        }

    } finally {
        httpclient.close();
    }
}

From source file:com.client.SoapClientApache.java

public static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {//w ww. j  a v  a 2s .  c  o  m
        HttpGet httpGet = new HttpGet("http://google.com/");
        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 either fully consume the response content  or abort request
        // execution by calling CloseableHttpResponse#close().

        try {
            System.out.println("Response for http get");
            System.out.println(response1.getStatusLine());
            HttpEntity entity1 = response1.getEntity();
            // do something useful with the response body
            // and ensure it is fully consumed
            EntityUtils.consume(entity1);
        } finally {
            response1.close();
        }

        File file = new File("temConvertRq.xml");
        File fileOutXml = new File("temConvertRs.xml");
        fileOutXml.createNewFile();

        System.out.println("Before file entity");
        FileEntity entity = new FileEntity(file, ContentType.create("text/xml", "UTF-8"));

        System.out.println("Before http post");
        HttpPost httpPost = new HttpPost("http://www.w3schools.com/webservices/tempconvert.asmx");

        httpPost.setEntity(entity);
        System.out.println("Entity set");
        //Add headers
        httpPost.addHeader("SOAPAction", "http://www.w3schools.com/webservices/CelsiusToFahrenheit");
        httpPost.addHeader("Host", "www.w3schools.com");
        httpPost.addHeader("Content-Type", "text/xml; charset=utf-8");
        //httpPost.addHeader("Content-Length", "length");

        System.out.println("after headers added");
        CloseableHttpResponse response2 = httpclient.execute(httpPost);

        try {
            System.out.println("before getting the response status");
            System.out.println("Response Status= " + response2.getStatusLine());
            HttpEntity entity2 = response2.getEntity();
            String outXml = EntityUtils.toString(entity2);
            System.out.println("XMl Response!!!!!!!!! = " + outXml);

            //                entity2.writeTo(System.out);

            //System.out.println("R
            // do something useful with the response body
            // and ensure it is fully consumed
            EntityUtils.consume(entity2);

            FileUtils.writeStringToFile(fileOutXml, outXml, "UTF-8");

        } finally {
            response2.close();
        }
    } finally {
        httpclient.close();
    }
}

From source file:ClientConfiguration.java

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

    // Use custom message parser / writer to customize the way HTTP messages are parsed from and written out to the data stream.
    HttpMessageParserFactory<HttpResponse> responseParserFactory = new DefaultHttpResponseParserFactory() {

        @Override// www .ja v  a 2s  .c  om
        public HttpMessageParser<HttpResponse> create(SessionInputBuffer buffer,
                MessageConstraints constraints) {
            LineParser lineParser = new BasicLineParser() {

                @Override
                public Header parseHeader(final CharArrayBuffer buffer) {
                    try {
                        return super.parseHeader(buffer);
                    } catch (ParseException ex) {
                        return new BasicHeader(buffer.toString(), null);
                    }
                }

            };
            return new DefaultHttpResponseParser(buffer, lineParser, DefaultHttpResponseFactory.INSTANCE,
                    constraints) {

                @Override
                protected boolean reject(final CharArrayBuffer line, int count) {
                    // try to ignore all garbage preceding a status line infinitely
                    return false;
                }

            };
        }

    };
    HttpMessageWriterFactory<HttpRequest> requestWriterFactory = new DefaultHttpRequestWriterFactory();

    // Use a custom connection factory to customize the process of initialization of outgoing HTTP connections.
    // Beside standard connection configuration parameters HTTP connection factory can define message parser / writer routines to be employed by individual connections.
    HttpConnectionFactory<HttpRoute, ManagedHttpClientConnection> connFactory = new ManagedHttpClientConnectionFactory(
            requestWriterFactory, responseParserFactory);

    // Client HTTP connection objects when fully initialized can be bound to an arbitrary network socket.
    // The process of network socket initialization,
    // its connection to a remote address and binding to a local one is controlled by a connection socket factory.

    // SSL context for secure connections can be created either based on
    // system or application specific properties.
    SSLContext sslcontext = SSLContexts.createSystemDefault();
    // Use custom hostname verifier to customize SSL hostname verification.
    X509HostnameVerifier hostnameVerifier = new BrowserCompatHostnameVerifier();

    // Create a registry of custom connection socket factories for supported
    // protocol schemes.
    Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
            .register("http", PlainConnectionSocketFactory.INSTANCE)
            .register("https", new SSLConnectionSocketFactory(sslcontext, hostnameVerifier)).build();

    // Use custom DNS resolver to override the system DNS resolution.
    DnsResolver dnsResolver = new SystemDefaultDnsResolver() {

        @Override
        public InetAddress[] resolve(final String host) throws UnknownHostException {
            if (host.equalsIgnoreCase("myhost")) {
                return new InetAddress[] { InetAddress.getByAddress(new byte[] { 127, 0, 0, 1 }) };
            } else {
                return super.resolve(host);
            }
        }

    };

    // Create a connection manager with custom configuration.
    PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(
            socketFactoryRegistry, connFactory, dnsResolver);

    // Create socket configuration
    SocketConfig socketConfig = SocketConfig.custom().setTcpNoDelay(true).build();
    // Configure the connection manager to use socket configuration either
    // by default or for a specific host.
    connManager.setDefaultSocketConfig(socketConfig);
    connManager.setSocketConfig(new HttpHost("somehost", 80), socketConfig);

    // Create message constraints
    MessageConstraints messageConstraints = MessageConstraints.custom().setMaxHeaderCount(200)
            .setMaxLineLength(2000).build();
    // Create connection configuration
    ConnectionConfig connectionConfig = ConnectionConfig.custom()
            .setMalformedInputAction(CodingErrorAction.IGNORE)
            .setUnmappableInputAction(CodingErrorAction.IGNORE).setCharset(Consts.UTF_8)
            .setMessageConstraints(messageConstraints).build();
    // Configure the connection manager to use connection configuration either
    // by default or for a specific host.
    connManager.setDefaultConnectionConfig(connectionConfig);
    connManager.setConnectionConfig(new HttpHost("somehost", 80), ConnectionConfig.DEFAULT);

    // Configure total max or per route limits for persistent connections
    // that can be kept in the pool or leased by the connection manager.
    connManager.setMaxTotal(100);
    connManager.setDefaultMaxPerRoute(10);
    connManager.setMaxPerRoute(new HttpRoute(new HttpHost("somehost", 80)), 20);

    // Use custom cookie store if necessary.
    CookieStore cookieStore = new BasicCookieStore();
    // Use custom credentials provider if necessary.
    CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
    // Create global request configuration
    RequestConfig defaultRequestConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.BEST_MATCH)
            .setExpectContinueEnabled(true).setStaleConnectionCheckEnabled(true)
            .setTargetPreferredAuthSchemes(Arrays.asList(AuthSchemes.NTLM, AuthSchemes.DIGEST))
            .setProxyPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC)).build();

    // Create an HttpClient with the given custom dependencies and configuration.
    CloseableHttpClient httpclient = HttpClients.custom().setConnectionManager(connManager)
            .setDefaultCookieStore(cookieStore).setDefaultCredentialsProvider(credentialsProvider)
            .setProxy(new HttpHost("myproxy", 8080)).setDefaultRequestConfig(defaultRequestConfig).build();

    try {
        HttpGet httpget = new HttpGet("http://www.apache.org/");
        // Request configuration can be overridden at the request level.
        // They will take precedence over the one set at the client level.
        RequestConfig requestConfig = RequestConfig.copy(defaultRequestConfig).setSocketTimeout(5000)
                .setConnectTimeout(5000).setConnectionRequestTimeout(5000)
                .setProxy(new HttpHost("myotherproxy", 8080)).build();
        httpget.setConfig(requestConfig);

        // Execution context can be customized locally.
        HttpClientContext context = HttpClientContext.create();
        // Contextual attributes set the local context level will take
        // precedence over those set at the client level.
        context.setCookieStore(cookieStore);
        context.setCredentialsProvider(credentialsProvider);

        System.out.println("executing request " + httpget.getURI());
        CloseableHttpResponse response = httpclient.execute(httpget, context);
        try {
            HttpEntity entity = response.getEntity();

            System.out.println("----------------------------------------");
            System.out.println(response.getStatusLine());
            if (entity != null) {
                System.out.println("Response content length: " + entity.getContentLength());
            }
            System.out.println("----------------------------------------");

            // Once the request has been executed the local context can
            // be used to examine updated state and various objects affected
            // by the request execution.

            // Last executed request
            context.getRequest();
            // Execution route
            context.getHttpRoute();
            // Target auth state
            context.getTargetAuthState();
            // Proxy auth state
            context.getTargetAuthState();
            // Cookie origin
            context.getCookieOrigin();
            // Cookie spec used
            context.getCookieSpec();
            // User security token
            context.getUserToken();

        } finally {
            response.close();
        }
    } finally {
        httpclient.close();
    }
}

From source file:D_common.E_xample.ClientConfiguration.java

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

    // Use custom message parser / writer to customize the way HTTP
    // messages are parsed from and written out to the data stream.
    HttpMessageParserFactory<HttpResponse> responseParserFactory = new DefaultHttpResponseParserFactory() {

        @Override//from w  w  w  .  ja  va  2  s . c o  m
        public HttpMessageParser<HttpResponse> create(SessionInputBuffer buffer,
                MessageConstraints constraints) {
            LineParser lineParser = new BasicLineParser() {

                @Override
                public Header parseHeader(final CharArrayBuffer buffer) {
                    try {
                        return super.parseHeader(buffer);
                    } catch (ParseException ex) {
                        return new BasicHeader(buffer.toString(), null);
                    }
                }

            };
            return new DefaultHttpResponseParser(buffer, lineParser, DefaultHttpResponseFactory.INSTANCE,
                    constraints) {

                @Override
                protected boolean reject(final CharArrayBuffer line, int count) {
                    // try to ignore all garbage preceding a status line infinitely
                    return false;
                }

            };
        }

    };
    HttpMessageWriterFactory<HttpRequest> requestWriterFactory = new DefaultHttpRequestWriterFactory();

    // Use a custom connection factory to customize the process of
    // initialization of outgoing HTTP connections. Beside standard connection
    // configuration parameters HTTP connection factory can define message
    // parser / writer routines to be employed by individual connections.
    HttpConnectionFactory<HttpRoute, ManagedHttpClientConnection> connFactory = new ManagedHttpClientConnectionFactory(
            requestWriterFactory, responseParserFactory);

    // Client HTTP connection objects when fully initialized can be bound to
    // an arbitrary network socket. The process of network socket initialization,
    // its connection to a remote address and binding to a local one is controlled
    // by a connection socket factory.

    // SSL context for secure connections can be created either based on
    // system or application specific properties.
    SSLContext sslcontext = SSLContexts.createSystemDefault();

    // Create a registry of custom connection socket factories for supported
    // protocol schemes.
    Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
            .register("http", PlainConnectionSocketFactory.INSTANCE)
            .register("https", new SSLConnectionSocketFactory(sslcontext)).build();

    // Use custom DNS resolver to override the system DNS resolution.
    DnsResolver dnsResolver = new SystemDefaultDnsResolver() {

        @Override
        public InetAddress[] resolve(final String host) throws UnknownHostException {
            if (host.equalsIgnoreCase("myhost")) {
                return new InetAddress[] { InetAddress.getByAddress(new byte[] { 127, 0, 0, 1 }) };
            } else {
                return super.resolve(host);
            }
        }

    };

    // Create a connection manager with custom configuration.
    PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(
            socketFactoryRegistry, connFactory, dnsResolver);

    // Create socket configuration
    SocketConfig socketConfig = SocketConfig.custom().setTcpNoDelay(true).build();
    // Configure the connection manager to use socket configuration either
    // by default or for a specific host.
    connManager.setDefaultSocketConfig(socketConfig);
    connManager.setSocketConfig(new HttpHost("somehost", 80), socketConfig);
    // Validate connections after 1 sec of inactivity
    connManager.setValidateAfterInactivity(1000);

    // Create message constraints
    MessageConstraints messageConstraints = MessageConstraints.custom().setMaxHeaderCount(200)
            .setMaxLineLength(2000).build();
    // Create connection configuration
    ConnectionConfig connectionConfig = ConnectionConfig.custom()
            .setMalformedInputAction(CodingErrorAction.IGNORE)
            .setUnmappableInputAction(CodingErrorAction.IGNORE).setCharset(Consts.UTF_8)
            .setMessageConstraints(messageConstraints).build();
    // Configure the connection manager to use connection configuration either
    // by default or for a specific host.
    connManager.setDefaultConnectionConfig(connectionConfig);
    connManager.setConnectionConfig(new HttpHost("somehost", 80), ConnectionConfig.DEFAULT);

    // Configure total max or per route limits for persistent connections
    // that can be kept in the pool or leased by the connection manager.
    connManager.setMaxTotal(100);
    connManager.setDefaultMaxPerRoute(10);
    connManager.setMaxPerRoute(new HttpRoute(new HttpHost("somehost", 80)), 20);

    // Use custom cookie store if necessary.
    CookieStore cookieStore = new BasicCookieStore();
    // Use custom credentials provider if necessary.
    CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
    // Create global request configuration
    RequestConfig defaultRequestConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.DEFAULT)
            .setExpectContinueEnabled(true)
            .setTargetPreferredAuthSchemes(Arrays.asList(AuthSchemes.NTLM, AuthSchemes.DIGEST))
            .setProxyPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC)).build();

    // Create an HttpClient with the given custom dependencies and configuration.
    CloseableHttpClient httpclient = HttpClients.custom().setConnectionManager(connManager)
            .setDefaultCookieStore(cookieStore).setDefaultCredentialsProvider(credentialsProvider)
            .setProxy(new HttpHost("myproxy", 8080)).setDefaultRequestConfig(defaultRequestConfig).build();

    try {
        HttpGet httpget = new HttpGet("http://www.apache.org/");
        // Request configuration can be overridden at the request level.
        // They will take precedence over the one set at the client level.
        RequestConfig requestConfig = RequestConfig.copy(defaultRequestConfig).setSocketTimeout(5000)
                .setConnectTimeout(5000).setConnectionRequestTimeout(5000)
                .setProxy(new HttpHost("myotherproxy", 8080)).build();
        httpget.setConfig(requestConfig);

        // Execution context can be customized locally.
        HttpClientContext context = HttpClientContext.create();
        // Contextual attributes set the local context level will take
        // precedence over those set at the client level.
        context.setCookieStore(cookieStore);
        context.setCredentialsProvider(credentialsProvider);

        System.out.println("executing request " + httpget.getURI());
        CloseableHttpResponse response = httpclient.execute(httpget, context);
        try {
            HttpEntity entity = response.getEntity();

            System.out.println("----------------------------------------");
            System.out.println(response.getStatusLine());
            if (entity != null) {
                System.out.println("Response content length: " + entity.getContentLength());
            }
            System.out.println("----------------------------------------");

            // Once the request has been executed the local context can
            // be used to examine updated state and various objects affected
            // by the request execution.

            // Last executed request
            context.getRequest();
            // Execution route
            context.getHttpRoute();
            // Target auth state
            context.getTargetAuthState();
            // Proxy auth state
            context.getTargetAuthState();
            // Cookie origin
            context.getCookieOrigin();
            // Cookie spec used
            context.getCookieSpec();
            // User security token
            context.getUserToken();

        } finally {
            response.close();
        }
    } finally {
        httpclient.close();
    }
}