Package org.apache.http.impl.client

Examples of org.apache.http.impl.client.CloseableHttpClient


*/
public class ClientFormLogin {

    public static void main(String[] args) throws Exception {
        BasicCookieStore cookieStore = new BasicCookieStore();
        CloseableHttpClient httpclient = HttpClients.custom()
                .setDefaultCookieStore(cookieStore)
                .build();
        try {
            HttpGet httpget = new HttpGet("https://someportal/");
            CloseableHttpResponse response1 = httpclient.execute(httpget);
            try {
                HttpEntity entity = response1.getEntity();

                System.out.println("Login form get: " + response1.getStatusLine());
                EntityUtils.consume(entity);

                System.out.println("Initial set of cookies:");
                List<Cookie> cookies = cookieStore.getCookies();
                if (cookies.isEmpty()) {
                    System.out.println("None");
                } else {
                    for (int i = 0; i < cookies.size(); i++) {
                        System.out.println("- " + cookies.get(i).toString());
                    }
                }
            } finally {
                response1.close();
            }

            HttpUriRequest login = RequestBuilder.post()
                    .setUri(new URI("https://someportal/"))
                    .addParameter("IDToken1", "username")
                    .addParameter("IDToken2", "password")
                    .build();
            CloseableHttpResponse response2 = httpclient.execute(login);
            try {
                HttpEntity entity = response2.getEntity();

                System.out.println("Login form get: " + response2.getStatusLine());
                EntityUtils.consume(entity);

                System.out.println("Post logon cookies:");
                List<Cookie> cookies = cookieStore.getCookies();
                if (cookies.isEmpty()) {
                    System.out.println("None");
                } else {
                    for (int i = 0; i < cookies.size(); i++) {
                        System.out.println("- " + cookies.get(i).toString());
                    }
                }
            } finally {
                response2.close();
            }
        } finally {
            httpclient.close();
        }
    }
View Full Code Here


* the process of processing the HTTP response and releasing associated resources.
*/
public class ClientWithResponseHandler {

    public final static void main(String[] args) throws Exception {
        CloseableHttpClient httpclient = HttpClients.createDefault();
        try {
            HttpGet httpget = new HttpGet("http://localhost/");

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

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

                @Override
                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) : null;
                    } else {
                        throw new ClientProtocolException("Unexpected response status: " + status);
                    }
                }

            };
            String responseBody = httpclient.execute(httpget, responseHandler);
            System.out.println("----------------------------------------");
            System.out.println(responseBody);
        } finally {
            httpclient.close();
        }
    }
View Full Code Here

        // This connection manager must be used if more than one thread will
        // be using the HttpClient.
        PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
        cm.setMaxTotal(100);

        CloseableHttpClient httpclient = HttpClients.custom()
                .setConnectionManager(cm)
                .build();
        try {
            // create an array of URIs to perform GETs on
            String[] urisToGet = {
                "http://hc.apache.org/",
                "http://hc.apache.org/httpcomponents-core-ga/",
                "http://hc.apache.org/httpcomponents-client-ga/",
            };

            // create a thread for each URI
            GetThread[] threads = new GetThread[urisToGet.length];
            for (int i = 0; i < threads.length; i++) {
                HttpGet httpget = new HttpGet(urisToGet[i]);
                threads[i] = new GetThread(httpclient, httpget, i + 1);
            }

            // start the threads
            for (int j = 0; j < threads.length; j++) {
                threads[j].start();
            }

            // join the threads
            for (int j = 0; j < threads.length; j++) {
                threads[j].join();
            }

        } finally {
            httpclient.close();
        }
    }
View Full Code Here

    public static void main(String[] args) throws Exception {
        CredentialsProvider credsProvider = new BasicCredentialsProvider();
        credsProvider.setCredentials(
                new AuthScope("localhost", 443),
                new UsernamePasswordCredentials("username", "password"));
        CloseableHttpClient httpclient = HttpClients.custom()
                .setDefaultCredentialsProvider(credsProvider)
                .build();
        try {
            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());
                EntityUtils.consume(response.getEntity());
            } finally {
                response.close();
            }
        } finally {
            httpclient.close();
        }
    }
View Full Code Here

* custom attributes.
*/
public class ClientCustomContext {

    public final static void main(String[] args) throws Exception {
        CloseableHttpClient httpclient = HttpClients.createDefault();
        try {
            // Create a local instance of cookie store
            CookieStore cookieStore = new BasicCookieStore();

            // Create local HTTP context
            HttpClientContext localContext = HttpClientContext.create();
            // Bind custom cookie store to the local context
            localContext.setCookieStore(cookieStore);

            HttpGet httpget = new HttpGet("http://localhost/");
            System.out.println("Executing request " + httpget.getRequestLine());

            // Pass local context as a parameter
            CloseableHttpResponse response = httpclient.execute(httpget, localContext);
            try {
                System.out.println("----------------------------------------");
                System.out.println(response.getStatusLine());
                List<Cookie> cookies = cookieStore.getCookies();
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("Local cookie: " + cookies.get(i));
                }
                EntityUtils.consume(response.getEntity());
            } finally {
                response.close();
            }
        } finally {
            httpclient.close();
        }
    }
View Full Code Here

* This example demonstrates how to abort an HTTP method before its normal completion.
*/
public class ClientAbortMethod {

    public final static void main(String[] args) throws Exception {
        CloseableHttpClient httpclient = HttpClients.createDefault();
        try {
            HttpGet httpget = new HttpGet("http://www.apache.org/");

            System.out.println("Executing request " + httpget.getURI());
            CloseableHttpResponse response = httpclient.execute(httpget);
            try {
                System.out.println("----------------------------------------");
                System.out.println(response.getStatusLine());
                // Do not feel like reading the response body
                // Call abort on the request object
                httpget.abort();
            } finally {
                response.close();
            }
        } finally {
            httpclient.close();
        }
    }
View Full Code Here

    public static void main(String[] args) throws Exception {
        if (args.length != 1)  {
            System.out.println("File path not given");
            System.exit(1);
        }
        CloseableHttpClient httpclient = HttpClients.createDefault();
        try {
            HttpPost httppost = new HttpPost("http://localhost/");

            File file = new File(args[0]);

            InputStreamEntity reqEntity = new InputStreamEntity(
                    new FileInputStream(file), -1, ContentType.APPLICATION_OCTET_STREAM);
            reqEntity.setChunked(true);
            // It may be more appropriate to use FileEntity class in this particular
            // instance but we are using a more generic InputStreamEntity to demonstrate
            // the capability to stream out data from any arbitrary source
            //
            // FileEntity entity = new FileEntity(file, "binary/octet-stream");

            httppost.setEntity(reqEntity);

            System.out.println("Executing request: " + httppost.getRequestLine());
            CloseableHttpResponse response = httpclient.execute(httppost);
            try {
                System.out.println("----------------------------------------");
                System.out.println(response.getStatusLine());
                EntityUtils.consume(response.getEntity());
            } finally {
                response.close();
            }
        } finally {
            httpclient.close();
        }
    }
View Full Code Here

            .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();
        }
    }
View Full Code Here

* the underlying connection gets released back to the connection manager.
*/
public class ClientConnectionRelease {

    public final static void main(String[] args) throws Exception {
        CloseableHttpClient httpclient = HttpClients.createDefault();
        try {
            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();
        }
    }
View Full Code Here

    public static void main(String[] args)throws Exception {
        Registry<ConnectionSocketFactory> reg = RegistryBuilder.<ConnectionSocketFactory>create()
                .register("http", new MyConnectionSocketFactory())
                .build();
        PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager(reg);
        CloseableHttpClient httpclient = HttpClients.custom()
                .setConnectionManager(cm)
                .build();
        try {
            InetSocketAddress socksaddr = new InetSocketAddress("mysockshost", 1234);
            HttpClientContext context = HttpClientContext.create();
            context.setAttribute("socks.address", socksaddr);

            HttpHost target = new HttpHost("localhost", 80, "http");
            HttpGet request = new HttpGet("/");

            System.out.println("Executing request " + request + " to " + target + " via SOCKS proxy " + socksaddr);
            CloseableHttpResponse response = httpclient.execute(target, request);
            try {
                System.out.println("----------------------------------------");
                System.out.println(response.getStatusLine());
                EntityUtils.consume(response.getEntity());
            } finally {
                response.close();
            }
        } finally {
            httpclient.close();
        }
    }
View Full Code Here

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