Example usage for org.apache.commons.httpclient.params HttpMethodParams RETRY_HANDLER

Introduction

In this page you can find the example usage for org.apache.commons.httpclient.params HttpMethodParams RETRY_HANDLER.

Prototype

String RETRY_HANDLER

To view the source code for org.apache.commons.httpclient.params HttpMethodParams RETRY_HANDLER.

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Usage

From source file:fr.cls.atoll.motu.library.misc.cas.HttpClientTutorial.java

public static void main(String[] args) {

    // test();//from  w  ww.j  a  v  a 2s  .c o m
    // System.setProperty("proxyHost", "proxy.cls.fr"); // adresse IP
    // System.setProperty("proxyPort", "8080");
    // System.setProperty("socksProxyPort", "1080");
    //
    // Authenticator.setDefault(new MyAuthenticator());

    // Create an instance of HttpClient.
    // HttpClient client = new HttpClient();
    HttpClient client = new HttpClient(new MultiThreadedHttpConnectionManager());
    // Create a method instance.
    GetMethod method = new GetMethod(url);

    HostConfiguration hostConfiguration = new HostConfiguration();
    hostConfiguration.setProxy("proxy.cls.fr", 8080);
    client.setHostConfiguration(hostConfiguration);

    // Provide custom retry handler is necessary
    method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
            new DefaultHttpMethodRetryHandler(3, false));
    // String username = "xxx";
    // String password = "xxx";
    // Credentials credentials = new UsernamePasswordCredentials(username, password);
    // AuthScope authScope = new AuthScope("proxy.cls.fr", 8080);
    //     
    // client.getState().setProxyCredentials(authScope, credentials);

    try {
        // Execute the method.
        int statusCode = client.executeMethod(method);

        if (statusCode != HttpStatus.SC_OK) {
            System.err.println("Method failed: " + method.getStatusLine());
        }

        // Read the response body.
        byte[] responseBody = method.getResponseBody();

        // Deal with the response.
        // Use caution: ensure correct character encoding and is not binary data
        System.out.println(new String(responseBody));

    } catch (HttpException e) {
        System.err.println("Fatal protocol violation: " + e.getMessage());
        e.printStackTrace();
    } catch (IOException e) {
        System.err.println("Fatal transport error: " + e.getMessage());
        e.printStackTrace();
    } finally {
        // Release the connection.
        method.releaseConnection();
    }
}

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From source file:com.kwoksys.framework.util.HttpUtils.java

/**
 * Gets contents from url//from   w ww.  j a  v  a 2s. c o m
 * @param url
 * @return
 * @throws Exception
 */
public static String getContent(String url) throws Exception {
    // Create an instance of HttpClient.
    HttpClient client = new HttpClient();

    // Create a method instance.
    GetMethod method = new GetMethod(url);

    // Provide custom retry handler is necessary
    method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
            new DefaultHttpMethodRetryHandler(3, false));

    try {
        // Execute the method.
        int statusCode = client.executeMethod(method);

        if (statusCode != HttpStatus.SC_OK) {
            throw new Exception("HTTP method error: " + method.getStatusLine());
        }

        // Read the response body.
        return new String(method.getResponseBody());

    } finally {
        // Release the connection.
        method.releaseConnection();
    }
}

---

From source file:edu.unc.lib.dl.ui.service.XMLRetrievalService.java

public static Document getXMLDocument(String url) throws HttpException, IOException, JDOMException {
    SAXBuilder builder = new SAXBuilder();

    HttpClient client = new HttpClient();
    HttpMethod method = new GetMethod(url);
    method.getParams().setParameter("http.socket.timeout", new Integer(2000));
    method.getParams().setCookiePolicy(CookiePolicy.IGNORE_COOKIES);
    method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
            new DefaultHttpMethodRetryHandler(3, false));
    method.getParams().setParameter("http.useragent", "");

    InputStream responseStream = null;
    Document document = null;//from  ww w. ja v  a  2 s . c  o  m

    try {
        client.executeMethod(method);
        responseStream = method.getResponseBodyAsStream();
        document = builder.build(responseStream);
    } finally {
        if (responseStream != null)
            responseStream.close();
        method.releaseConnection();
    }

    return document;
}

---

From source file:fr.matriciel.AnnotationClient.java

public static String request(HttpMethod method) throws AnnotationException {

    String response = null;/*from  w  w  w.  j  a va2s . c o  m*/

    // Provide custom retry handler is necessary
    method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
            new DefaultHttpMethodRetryHandler(3, false));

    try {
        // Execute the method.
        int statusCode = client.executeMethod(method);

        if (statusCode != HttpStatus.SC_OK) {
            System.out.println("Method failed: " + method.getStatusLine());
        }

        // Read the response body.
        byte[] responseBody = method.getResponseBody();
        //TODO Going to buffer response body of large or unknown size. Using getResponseBodyAsStream instead is recommended.

        // Deal with the response.
        // Use caution: ensure correct character encoding and is not binary data
        response = new String(responseBody);

    } catch (HttpException e) {
        throw new AnnotationException("Protocol error executing HTTP request.", e);
    } catch (IOException e) {
        throw new AnnotationException("Transport error executing HTTP request.", e);
    } finally {
        // Release the connection.
        method.releaseConnection();
    }
    return response;

}

---

From source file:io.aos.protocol.http.commons.CommonsHttpClient.java

public static void get(String url) {

    HttpClient client = new HttpClient();
    GetMethod method = new GetMethod(url);
    method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
            new DefaultHttpMethodRetryHandler(3, false));

    try {// w  w  w  .j  a  va 2s .c o  m
        int statusCode = client.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            LOG.error("Method failed: " + method.getStatusLine());
        }
        byte[] responseBody = method.getResponseBody();
        LOG.debug(new String(responseBody, "UTF-8"));
    } catch (HttpException e) {
        LOG.error("Fatal protocol violation: " + e.getMessage(), e);
    } catch (IOException e) {
        LOG.error("Fatal transport error: " + e.getMessage(), e);
    } finally {
        method.releaseConnection();
    }

}

---

From source file:idea.clientRequests.httpClientRequester.java

public boolean doHttpget(String csUrl) {
    boolean bStatus = false;
    m_responseBody = null;/*  ww  w.  ja  v  a2  s  . c o m*/
    HttpClient client = new HttpClient();
    GetMethod method = new GetMethod(csUrl);

    // Provide custom retry handler is necessary
    DefaultHttpMethodRetryHandler handler = new DefaultHttpMethodRetryHandler(3, false);
    method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, handler);
    try {
        // Execute the method.
        int statusCode = client.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            System.err.println("Method failed: " + method.getStatusLine());
        }
        // Read the response body.
        m_responseBody = method.getResponseBody();

        bStatus = true;
    } catch (HttpException e) {
        System.err.println("Fatal protocol violation: " + e.getMessage());
        e.printStackTrace();
    } catch (IOException e) {
        System.err.println("Fatal transport error: " + e.getMessage());
        e.printStackTrace();
    } finally {
        // Release the connection.
        method.releaseConnection();
    }
    return bStatus;
}

---

From source file:net.sourceforge.jcctray.model.DashboardXmlParser.java

public static DashBoardProjects getProjects(String url, HttpClient client)
        throws HttpException, IOException, SAXException {
    GetMethod method = new GetMethod(url);
    method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
            new DefaultHttpMethodRetryHandler(3, false));
    try {/*from  w w w.  jav  a 2  s  . co m*/
        int statusCode = client.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            throw new RuntimeException(
                    ("Could not connect to " + url + ". The server returned a " + statusCode + " status code"));
        }
        return getProjects(method.getResponseBodyAsStream());
    } finally {
        method.releaseConnection();
    }
}

---

From source file:br.com.edu.dbpediaspotlight.AnnotationClient.java

public String request(HttpMethod method) throws AnnotationException {
    String response = null;//from   w w w  .  j  a v  a2  s  .  com
    // Provide custom retry handler is necessary
    method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
            new DefaultHttpMethodRetryHandler(3, false));
    try {
        // Execute the method.
        int statusCode = client.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            LOG.error("Method failed: " + method.getStatusLine());
        }

        // Read the response body.
        byte[] responseBody = method.getResponseBody(); //TODO Going to buffer response body of large or unknown size. Using getResponseBodyAsStream instead is recommended.

        // Deal with the response.
        // Use caution: ensure correct character encoding and is not binary data
        response = new String(responseBody);

    } catch (HttpException e) {
        LOG.error("Fatal protocol violation: " + e.getMessage());
        throw new AnnotationException("Protocol error executing HTTP request.", e);
    } catch (IOException e) {
        LOG.error("Fatal transport error: " + e.getMessage());
        LOG.error(method.getQueryString());
        throw new AnnotationException("Transport error executing HTTP request.", e);
    } finally {
        // Release the connection.
        method.releaseConnection();
    }
    return response;

}

---

From source file:com.taobao.ad.easyschedule.commons.utils.MailUtil.java

/**
 * ??/*from w w w.  j  av a2s  .  co m*/
 * 
 * @param list
 *            ?
 * @param subject
 * @param content
 */
public static void sendMail(String list, String subject, String content) {

    if ("false".equals(Constants.SENDMAIL) || StringUtils.isEmpty(list) || StringUtils.isEmpty(subject)) {
        return;
    }
    try {
        String command = Constants.MAIL_SEND_COMMAND;
        String strSubject = subject;
        if (subject.getBytes().length > 50) {
            strSubject = StringUtil.bSubstring(subject, 49);
        }
        String strContent = content;
        if (content.getBytes().length > 2046) {
            strContent = StringUtil.bSubstring(content, 2045);
        }
        command = command.replaceAll("#list#", URLEncoder.encode(list, "GBK"))
                .replaceAll("#subject#", URLEncoder.encode(strSubject, "GBK")).replaceAll("#content#",
                        URLEncoder.encode(StringUtils.isEmpty(strContent) ? "null" : strContent, "GBK"));
        HttpClient client = new HttpClient();
        client.getHttpConnectionManager().getParams().setConnectionTimeout(Constants.NOTIFY_API_CONN_TIMEOUT);
        GetMethod getMethod = new GetMethod(command);
        getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler());
        for (int i = 1; i <= 3; i++) {
            try {
                int statusCode = client.executeMethod(getMethod);
                if (statusCode != HttpStatus.SC_OK) {
                    logger.error("MailUtil.sendMail statusCode:" + statusCode);
                    Thread.sleep(Constants.JOB_RETRY_WAITTIME);
                    continue;
                }
                String ret = getMethod.getResponseBodyAsString();
                if (!"OK".equals(ret)) {
                    logger.error("Send message failed[" + i + "];list:" + list + ";subject:" + subject
                            + ";content:" + content);
                    Thread.sleep(Constants.JOB_RETRY_WAITTIME);
                    continue;
                }
                break;
            } catch (Exception e) {
                logger.error("Send message failed[" + i + "]:" + e.getMessage());
                Thread.sleep(Constants.JOB_RETRY_WAITTIME);
                continue;
            }
        }
    } catch (Exception e) {
        logger.error("MailUtil.sendMail", e);
    }
}

---

From source file:com.taobao.ad.easyschedule.commons.utils.SmsUtil.java

/**
 * ??//from w ww. j  av a2s.c  o  m
 * 
 * @param list
 *            ?
 * @param subject
 * @param content
 */
public static void sendSMS(String list, String subject, String content) {
    if ("false".equals(Constants.SENDSMS) || StringUtils.isEmpty(list) || StringUtils.isEmpty(subject)) {
        return;
    }
    try {
        String command = Constants.SMS_SEND_COMMAND;
        String strSubject = subject;
        if (subject.getBytes().length > 50) {
            strSubject = StringUtil.bSubstring(subject, 49);
        }
        String strContent = subject;
        if (subject.getBytes().length > 150) {
            // ????content?subjectcontent??
            strContent = StringUtil.bSubstring(subject + ":" + content, 149);
        }
        command = command.replaceAll("#list#", URLEncoder.encode(list, "GBK"))
                .replaceAll("#subject#", URLEncoder.encode(strSubject, "GBK"))
                .replaceAll("#content#", URLEncoder.encode(strContent, "GBK"));
        HttpClient client = new HttpClient();
        client.getHttpConnectionManager().getParams().setConnectionTimeout(Constants.NOTIFY_API_CONN_TIMEOUT);
        GetMethod getMethod = new GetMethod(command);
        getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler());
        for (int i = 1; i <= 3; i++) {
            try {
                int statusCode = client.executeMethod(getMethod);
                if (statusCode != HttpStatus.SC_OK) {
                    logger.error("SmsUtil.sendWangWang statusCode:" + statusCode);
                    sendSMSByShell(list, "es:" + subject);
                    Thread.sleep(Constants.JOB_RETRY_WAITTIME);
                    continue;
                }
                String ret = getMethod.getResponseBodyAsString();
                if (!"OK".equals(ret)) {
                    logger.error("Send message failed[" + i + "];list:" + list + ";subject:" + subject
                            + ";content:" + content);
                    sendSMSByShell(list, "es:" + subject);
                    Thread.sleep(Constants.JOB_RETRY_WAITTIME);
                    continue;
                }
                break;
            } catch (Exception e) {
                logger.error("Send message failed[" + i + "]:" + e.getMessage());
                Thread.sleep(Constants.JOB_RETRY_WAITTIME);
                continue;
            }
        }
    } catch (Exception e) {
        logger.error("SmsUtil.sendSMS", e);
    }
}

---

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