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

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

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Introduction

In this page you can find the example usage for org.apache.http.impl.client CloseableHttpClient execute.

Prototype

public <T> T execute(final HttpUriRequest request, final ResponseHandler<? extends T> responseHandler)
        throws IOException, ClientProtocolException

Source Link

Document

Executes a request using the default context and processes the response using the given response handler.

Usage

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 w  w. j  av a2 s  .co m*/
        //      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:org.apache.http.examples.client.ClientWithResponseHandler.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   ww w.  j a v a  2s  . co  m
        //      HttpGet httpget = new HttpGet("http://localhost/");
        HttpGet httpget = new HttpGet(
                "http://api.map.baidu.com/geocoder/v2/?address=&output=json&ak=E4805d16520de693a3fe707cdc962045&callback=showLocation");
        //      httpget.setHeader("Accept", "180.97.33.90:80");
        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://developer.baidu.com/map/index.php?title=webapi/guide/changeposition");
        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);

        //showLocation&&showLocation({"status":0,"result":{"location":{"lng":112.25009284837,"lat":32.229168591538},"precise":0,"confidence":14,"level":"\u533a\u53bf"}})
        System.out.println("----------------------------------------");
        ObjectMapper mapper = new ObjectMapper();
        //      mapper.readValue(responseBody, AddressCoord.class);
        JsonNode root = mapper.readTree(
                responseBody.substring("showLocation&&showLocation(".length(), responseBody.length() - 1));
        //      String name = root.get("name").asText();
        //      int age = root.get("age").asInt();
        String status = root.get("status").asText();
        String lng = root.with("result").with("location").get("lng").asText();
        String lat = root.with("result").with("location").get("lat").asText();
        String level = root.with("result").get("level").asText();
        System.out.println(String.format("'%1$s': [%2$s, %3$s], status: %4$s", level, lng, lat, status));

    } finally {
        httpclient.close();
    }
}

From source file:tv.icntv.common.HttpClientUtil.java

/**
 * Get content by url as string/*w  w  w . j  a  v a2  s .  c  om*/
 *
 * @param url original url
 * @return page content
 * @throws java.io.IOException
 */
public static String getContent(String url) throws IOException {
    // construct request
    HttpGet request = new HttpGet(url);
    request.setHeader(new BasicHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8"));

    request.setConfig(RequestConfig.custom().setConnectionRequestTimeout(CONNECTION_REQUEST_TIMEOUT)
            .setSocketTimeout(SOCKET_TIMEOUT).build());
    // construct response handler
    ResponseHandler<String> handler = new ResponseHandler<String>() {
        @Override
        public String handleResponse(final HttpResponse response) throws IOException {
            StatusLine status = response.getStatusLine();
            // status
            if (status.getStatusCode() != HttpStatus.SC_OK) {
                throw new HttpResponseException(status.getStatusCode(), status.getReasonPhrase());
            }
            // get encoding in header
            String encoding = getPageEncoding(response);
            boolean encodingFounded = true;
            if (Strings.isNullOrEmpty(encoding)) {
                encodingFounded = false;
                encoding = "iso-8859-1";
            }
            // get content and find real encoding
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            // get content
            byte[] contentBytes = EntityUtils.toByteArray(entity);
            if (contentBytes == null) {
                return null;
            }
            // found encoding
            if (encodingFounded) {
                return new String(contentBytes, encoding);
            }
            // attempt to discover encoding
            String rawContent = new String(contentBytes, DEFAULT_ENCODING);
            Matcher matcher = PATTERN_HTML_CHARSET.matcher(rawContent);
            if (matcher.find()) {
                String realEncoding = matcher.group(1);
                if (!encoding.equalsIgnoreCase(realEncoding)) {
                    // bad luck :(
                    return new String(rawContent.getBytes(encoding), realEncoding);
                }
            }
            // not found right encoding :)
            return rawContent;
        }
    };
    // execute
    CloseableHttpClient client = HttpClientHolder.getClient();
    return client.execute(request, handler);
}

From source file:org.jboss.pnc.mavenrepositorymanager.ArtifactUploadUtils.java

public static boolean put(CloseableHttpClient client, String url, String content) throws IOException {
    HttpPut put = new HttpPut(url);
    put.setEntity(new StringEntity(content));
    return client.execute(put, response -> {
        try {/*from   ww  w.j a v  a 2  s  .  c  om*/
            return response.getStatusLine().getStatusCode() == 201;
        } finally {
            if (response instanceof CloseableHttpResponse) {
                IOUtils.closeQuietly((CloseableHttpResponse) response);
            }
        }
    });
}

From source file:com.johnson.grab.browser.HttpClientUtil.java

/**
 * Get content by url as string/* ww  w .j ava 2 s .  co  m*/
 * @param url
 *      original url
 * @return
 *      page content
 * @throws java.io.IOException
 */
public static String getContent(String url) throws CrawlException, IOException {
    // construct request
    HttpGet request = new HttpGet(url);
    request.setConfig(RequestConfig.custom().setConnectionRequestTimeout(CONNECTION_REQUEST_TIMEOUT)
            .setSocketTimeout(SOCKECT_TIMEOUT).build());
    // construct response handler
    ResponseHandler<String> handler = new ResponseHandler<String>() {
        @Override
        public String handleResponse(final HttpResponse response) throws IOException {
            StatusLine status = response.getStatusLine();
            // status
            if (status.getStatusCode() != HttpStatus.SC_OK) {
                throw new HttpResponseException(status.getStatusCode(), status.getReasonPhrase());
            }
            // get encoding in header
            String encoding = getPageEncoding(response);
            boolean encodingFounded = true;
            if (StringUtil.isEmpty(encoding)) {
                encodingFounded = false;
                encoding = UniversalConstants.Encoding.ISO_8859_1;
            }
            // get content and find real encoding
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            // get content
            byte[] contentBytes = EntityUtils.toByteArray(entity);
            if (contentBytes == null) {
                return null;
            }
            // found encoding
            if (encodingFounded) {
                return new String(contentBytes, encoding);
            }
            // attempt to discover encoding
            String rawContent = new String(contentBytes, UniversalConstants.Encoding.DEFAULT);
            Matcher matcher = PATTERN_HTML_CHARSET.matcher(rawContent);
            if (matcher.find()) {
                String realEncoding = matcher.group(1);
                if (!encoding.equalsIgnoreCase(realEncoding)) {
                    // bad luck :(
                    return new String(rawContent.getBytes(encoding), realEncoding);
                }
            }
            // not found right encoding :)
            return rawContent;
        }
    };
    // execute
    CloseableHttpClient client = HttpClientHolder.getClient();
    return client.execute(request, handler);
}

From source file:org.xwiki.contrib.repository.pypi.internal.utils.PyPiHttpUtils.java

public static InputStream performGet(URI uri, HttpClientFactory httpClientFactory, HttpContext localContext)
        throws HttpException {
    HttpGet getMethod = new HttpGet(uri);
    CloseableHttpClient httpClient = httpClientFactory.createClient(null, null);
    CloseableHttpResponse response;//from   w  w  w.  j  a v a 2s .c o  m
    try {
        if (localContext != null) {
            response = httpClient.execute(getMethod, localContext);
        } else {
            response = httpClient.execute(getMethod);
        }
    } catch (Exception e) {
        throw new HttpException(String.format("Failed to request [%s]", getMethod.getURI()), e);
    }

    int statusCode = response.getStatusLine().getStatusCode();
    if (statusCode == HttpStatus.SC_OK) {
        try {
            return response.getEntity().getContent();
        } catch (IOException e) {
            throw new HttpException(
                    String.format("Failed to parse response body of request [%s]", getMethod.getURI()), e);
        }
    } else if (statusCode == HttpStatus.SC_NOT_FOUND) {
        return null;
    } else {
        throw new HttpException(String.format("Invalid answer [%s] from the server when requesting [%s]",
                response.getStatusLine().getStatusCode(), getMethod.getURI()));
    }
}

From source file:org.lokra.seaweedfs.util.ConnectionUtil.java

/**
 * Check uri link is alive, the basis for judging response status code.
 *
 * @param client httpClient/*from   ww  w  . ja  v  a 2s  . c om*/
 * @param url    check url
 * @return When the response status code is 200, the result is true.
 */
public static boolean checkUriAlive(CloseableHttpClient client, String url) {
    boolean result = false;
    CloseableHttpResponse response = null;
    HttpGet request = new HttpGet(url);
    try {
        response = client.execute(request, HttpClientContext.create());
        result = response.getStatusLine().getStatusCode() == HttpStatus.SC_OK;
    } catch (IOException e) {
        return false;
    } finally {
        if (response != null) {
            try {
                response.close();
            } catch (IOException ignored) {
            }
        }
        request.releaseConnection();
    }
    return result;
}

From source file:org.xwiki.contrib.repository.npm.internal.utils.NpmHttpUtils.java

public static InputStream performGet(URI uri, HttpClientFactory httpClientFactory, HttpContext localContext,
        Header[] headers) throws HttpException {
    HttpGet getMethod = new HttpGet(uri);
    getMethod.setHeaders(headers);/*from  ww  w  . j a  v  a 2 s . c o m*/
    CloseableHttpClient httpClient = httpClientFactory.createClient(null, null);
    CloseableHttpResponse response;
    try {
        if (localContext != null) {
            response = httpClient.execute(getMethod, localContext);
        } else {
            response = httpClient.execute(getMethod);
        }
    } catch (Exception e) {
        throw new HttpException(String.format("Failed to request [%s]", getMethod.getURI()), e);
    }

    int statusCode = response.getStatusLine().getStatusCode();
    if (statusCode == HttpStatus.SC_OK) {
        try {
            return response.getEntity().getContent();
        } catch (IOException e) {
            throw new HttpException(
                    String.format("Failed to parse response body of request [%s]", getMethod.getURI()), e);
        }
    } else {
        throw new HttpException(String.format("Invalid answer [%s] from the server when requesting [%s]",
                response.getStatusLine().getStatusCode(), getMethod.getURI()));
    }
}

From source file:me.ixfan.wechatkit.util.HttpClientUtil.java

/**
 * POST data using the Content-Type <code>multipart/form-data</code>.
 * This enables uploading of binary files etc.
 *
 * @param url URL of request.//from  ww  w .jav  a 2s . c o m
 * @param textInputs Name-Value pairs of text inputs.
 * @param binaryInputs Name-Value pairs of binary files inputs.
 * @return JSON object of response.
 * @throws IOException If I/O error occurs.
 */
public static JsonObject sendMultipartRequestAndGetJsonResponse(String url, Map<String, String> textInputs,
        Map<String, MultipartInput> binaryInputs) throws IOException {
    MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder.create();
    if (null != textInputs) {
        textInputs.forEach((k, v) -> multipartEntityBuilder.addTextBody(k, v));
    }
    if (null != binaryInputs) {
        binaryInputs.forEach((k, v) -> {
            if (null == v.getDataBytes()) {
                multipartEntityBuilder.addBinaryBody(k, v.getFile(), v.getContentType(), v.getFile().getName());
            } else {
                multipartEntityBuilder.addBinaryBody(k, v.getDataBytes(), v.getContentType(), v.getFilename());
            }
        });
    }

    CloseableHttpClient httpClient = HttpClients.createDefault();
    HttpPost post = new HttpPost(url);
    post.setEntity(multipartEntityBuilder.build());
    return httpClient.execute(post, new JsonResponseHandler());
}

From source file:org.keycloak.testsuite.saml.ConcurrentAuthnRequestTest.java

public static void performLogin(HttpUriRequest post, URI samlEndpoint, String relayState, Document samlRequest,
        CloseableHttpResponse response, final CloseableHttpClient client, UserRepresentation user,
        RedirectStrategyWithSwitchableFollowRedirect strategy) {
    try {/*from   w w  w .  ja v a 2 s  .c om*/
        HttpClientContext context = HttpClientContext.create();
        response = client.execute(post, context);

        String loginPageText = EntityUtils.toString(response.getEntity(), "UTF-8");
        response.close();

        HttpUriRequest loginRequest = LoginBuilder.handleLoginPage(user, loginPageText);

        strategy.setRedirectable(false);
        response = client.execute(loginRequest, context);
        response.close();
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    } finally {
        if (response != null) {
            EntityUtils.consumeQuietly(response.getEntity());
            try {
                response.close();
            } catch (IOException ex) {
            }
        }
    }
}