Example usage for org.apache.http.client.methods HttpGet HttpGet

List of usage examples for org.apache.http.client.methods HttpGet HttpGet

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Introduction

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

Prototype

public HttpGet(final String uri)

Source Link

Usage

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

public static void main(String[] args) throws Exception {
    InputStream input = null;//w  ww  .  ja  v  a 2s.  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:test.ClientTest.java

public static void main(String[] args) throws Exception {
    DefaultHttpClient httpclient = new DefaultHttpClient();
    HttpHost proxy = new HttpHost("192.168.1.158", 8080, "http");
    //      httpclient.getCredentialsProvider().setCredentials(new AuthScope("192.168.1.158", 8080),new UsernamePasswordCredentials("", ""));
    try {//w w  w.  ja v a 2 s .  c om
        httpclient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);
        HttpHost target = new HttpHost("www.drugoogle.com", 80, "http");
        HttpGet httpget = new HttpGet("/index/index.htm");

        System.out.println("executing request to " + httpget);

        HttpResponse rsp = httpclient.execute(target, httpget);
        HttpEntity entity = rsp.getEntity();

        System.out.println("----------------------------------------");
        System.out.println(rsp.getStatusLine());
        Header[] headers = rsp.getAllHeaders();
        for (int i = 0; i < headers.length; i++) {
            System.out.println(headers[i]);
        }
        System.out.println("----------------------------------------");

        if (entity != null) {
            System.out.println(EntityUtils.toString(entity, "UTF-8"));
        }

    } finally {
        // When HttpClient instance is no longer needed,
        // shut down the connection manager to ensure
        // immediate deallocation of all system resources
        httpclient.getConnectionManager().shutdown();
    }
}

From source file:demo.example.ClientCustomContext.java

public final static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {/*from   ww w. j av  a2 s . c  o  m*/
        // 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://httpbin.org/cookies");
        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();
    }
}

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

public final static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {//from w  w w .  ja va 2  s . c  o m
        // 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();
    }
}

From source file:interoperabilite.webservice.client.ClientCustomContext.java

public final static void main(String[] args) throws Exception {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    try {/* ww w  .  j  a v  a2  s  . c  o m*/
        // 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://httpbin.org/cookies");
        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();
    }
}

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 {//  ww w.  j a  v a2  s. c o 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:com.boonya.http.async.examples.nio.client.AsyncClientCustomContext.java

public final static void main(String[] args) throws Exception {
    CloseableHttpAsyncClient httpclient = HttpAsyncClients.createDefault();
    try {/*from   w w w .  j av  a 2 s . c  om*/
        // 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());

        httpclient.start();

        // Pass local context as a parameter
        Future<HttpResponse> future = httpclient.execute(httpget, localContext, null);

        // Please note that it may be unsafe to access HttpContext instance
        // while the request is still being executed

        HttpResponse response = future.get();
        System.out.println("Response: " + response.getStatusLine());
        List<Cookie> cookies = cookieStore.getCookies();
        for (int i = 0; i < cookies.size(); i++) {
            System.out.println("Local cookie: " + cookies.get(i));
        }
        System.out.println("Shutting down");
    } finally {
        httpclient.close();
    }
}

From source file:com.dlmu.heipacker.crawler.client.ClientProxyAuthentication.java

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

    DefaultHttpClient httpclient = new DefaultHttpClient();
    try {//w w  w  . jav a2s .c  om
        httpclient.getCredentialsProvider().setCredentials(new AuthScope("localhost", 8080),
                new UsernamePasswordCredentials("username", "password"));

        HttpHost targetHost = new HttpHost("www.verisign.com", 443, "https");
        HttpHost proxy = new HttpHost("localhost", 8080);

        httpclient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);

        HttpGet httpget = new HttpGet("/");

        System.out.println("executing request: " + httpget.getRequestLine());
        System.out.println("via proxy: " + proxy);
        System.out.println("to target: " + targetHost);

        HttpResponse response = httpclient.execute(targetHost, httpget);
        HttpEntity entity = response.getEntity();

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

    } finally {
        // When HttpClient instance is no longer needed,
        // shut down the connection manager to ensure
        // immediate deallocation of all system resources
        httpclient.getConnectionManager().shutdown();
    }
}

From source file:httpclient.client.ClientInteractiveAuthentication.java

public static void main(String[] args) throws Exception {
    DefaultHttpClient httpclient = new DefaultHttpClient();

    // Create local execution context
    HttpContext localContext = new BasicHttpContext();

    HttpGet httpget = new HttpGet("http://localhost/test");

    boolean trying = true;
    while (trying) {
        System.out.println("executing request " + httpget.getRequestLine());
        HttpResponse response = httpclient.execute(httpget, localContext);

        System.out.println("----------------------------------------");
        System.out.println(response.getStatusLine());

        // Consume response content
        HttpEntity entity = response.getEntity();
        if (entity != null) {
            entity.consumeContent();//from w  ww.ja  v a2  s.  com
        }

        int sc = response.getStatusLine().getStatusCode();

        AuthState authState = null;
        if (sc == HttpStatus.SC_UNAUTHORIZED) {
            // Target host authentication required
            authState = (AuthState) localContext.getAttribute(ClientContext.TARGET_AUTH_STATE);
        }
        if (sc == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED) {
            // Proxy authentication required
            authState = (AuthState) localContext.getAttribute(ClientContext.PROXY_AUTH_STATE);
        }

        if (authState != null) {
            System.out.println("----------------------------------------");
            AuthScope authScope = authState.getAuthScope();
            System.out.println("Please provide credentials");
            System.out.println(" Host: " + authScope.getHost() + ":" + authScope.getPort());
            System.out.println(" Realm: " + authScope.getRealm());

            BufferedReader console = new BufferedReader(new InputStreamReader(System.in));

            System.out.print("Enter username: ");
            String user = console.readLine();
            System.out.print("Enter password: ");
            String password = console.readLine();

            if (user != null && user.length() > 0) {
                Credentials creds = new UsernamePasswordCredentials(user, password);
                httpclient.getCredentialsProvider().setCredentials(authScope, creds);
                trying = true;
            } else {
                trying = false;
            }
        } else {
            trying = false;
        }
    }

    // When HttpClient instance is no longer needed, 
    // shut down the connection manager to ensure
    // immediate deallocation of all system resources
    httpclient.getConnectionManager().shutdown();
}

From source file:com.boonya.http.async.examples.nio.client.AsyncClientPipelinedStreaming.java

public static void main(final String[] args) throws Exception {
    CloseableHttpPipeliningClient httpclient = HttpAsyncClients.createPipelining();
    try {/*w w w . j  av a 2  s .co  m*/
        httpclient.start();

        HttpHost targetHost = new HttpHost("localhost", 8080);
        HttpGet[] resquests = { new HttpGet("/docs/index.html"), new HttpGet("/docs/introduction.html"),
                new HttpGet("/docs/setup.html"), new HttpGet("/docs/config/index.html") };

        List<MyRequestProducer> requestProducers = new ArrayList<MyRequestProducer>();
        List<MyResponseConsumer> responseConsumers = new ArrayList<MyResponseConsumer>();
        for (HttpGet request : resquests) {
            requestProducers.add(new MyRequestProducer(targetHost, request));
            responseConsumers.add(new MyResponseConsumer(request));
        }

        Future<List<Boolean>> future = httpclient.execute(targetHost, requestProducers, responseConsumers,
                null);
        future.get();
        System.out.println("Shutting down");
    } finally {
        httpclient.close();
    }
    System.out.println("Done");
}