Example usage for org.apache.commons.httpclient HttpClient HttpClient

Introduction

In this page you can find the example usage for org.apache.commons.httpclient HttpClient HttpClient.

Prototype

public HttpClient() 

Source Link

Usage

From source file:ClientPost.java

public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, java.io.IOException {

    HttpClient httpClient = new HttpClient();
    PostMethod postMethod = new PostMethod("http://localhost:8080/home/viewPost.jsp");
    NameValuePair[] postData = { new NameValuePair("username", "devgal"),
            new NameValuePair("department", "development"), new NameValuePair("email", "devgal@yahoo.com") };
    //the 2.0 beta1 version has a
    // PostMethod.setRequestBody(NameValuePair[])
    //method, as addParameters is deprecated
    postMethod.addParameters(postData);/*  w  ww  .  j a  v  a2 s  .c om*/
    httpClient.executeMethod(postMethod);
    //display the response to the POST method
    response.setContentType("text/html");
    java.io.PrintWriter out = response.getWriter();
    //A "200 OK" HTTP Status Code
    if (postMethod.getStatusCode() == HttpStatus.SC_OK) {
        out.println(postMethod.getResponseBodyAsString());
    } else {
        out.println("The POST action raised an error: " + postMethod.getStatusLine());
    }
    //release the connection used by the method
    postMethod.releaseConnection();

}

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

/**
 * Gets contents from url//w  w  w  .  j a  v a2  s  . com
 * @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();
    }
}

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From source file:jshm.sh.Client.java

public static HttpClient getHttpClient() {
    if (null == httpClient) {
        httpClient = new HttpClient();
    }

    return httpClient;
}

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From source file:com.mycompany.semconsolewebapp.FileUpload.java

public static void uploadImage(String urlString, Part[] parts) throws FileNotFoundException, IOException {
    PostMethod postMessage = new PostMethod(urlString);
    postMessage.setRequestEntity(new MultipartRequestEntity(parts, postMessage.getParams()));
    HttpClient client = new HttpClient();

    int status = client.executeMethod(postMessage);
    System.out.println("Got status message " + status);
}

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From source file:edu.du.penrose.systems.util.HttpClientUtils.java

/**
 * Appends response form URL to a StringBuffer
 * /*w  ww .  java2s  .c o m*/
 * @param requestUrl
 * @param resultStringBuffer
 * @return int request status code OR -1 if an exception occurred
 */
static public int getAsString(String requestUrl, StringBuffer resultStringBuffer) {
    HttpClient client = new HttpClient();

    //   client.getState().setCredentials(
    //         new AuthScope("localhost", 7080, null ),
    //         new UsernamePasswordCredentials("nation", "nationPW") 
    //     );
    //   client.getParams().setAuthenticationPreemptive(true);

    HttpMethod method = new GetMethod(requestUrl);

    // method.setDoAuthentication( true );   
    // client.getParams().setAuthenticationPreemptive(true);

    // Execute and print response
    try {
        client.executeMethod(method);
        InputStream is = method.getResponseBodyAsStream();
        BufferedInputStream bis = new BufferedInputStream(is);

        String datastr = null;
        byte[] bytes = new byte[8192]; // reading as chunk of 8192 bytes
        int count = bis.read(bytes);
        while (count != -1 && count <= 8192) {
            datastr = new String(bytes, 0, count);
            resultStringBuffer.append(datastr);
            count = bis.read(bytes);
        }
        bis.close();

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        method.releaseConnection();
    }

    return method.getStatusCode();
}

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From source file:at.gv.egovernment.moa.id.commons.utils.HttpClientWithProxySupport.java

public static HttpClient getHttpClient() {
    HttpClient client = new HttpClient();

    String host = System.getProperty("http.proxyHost"); //$NON-NLS-1$
    String port = System.getProperty("http.proxyPort"); //$NON-NLS-1$
    if (MiscUtil.isNotEmpty(host) && MiscUtil.isNotEmpty(port)) {
        int p = Integer.parseInt(port);
        client.getHostConfiguration().setProxy(host, p);
        Logger.info("Initial HTTPClient with proxy usage. " + "ProxyHost=" + host + " ProxyPort=" + port);

        String user = System.getProperty("http.proxyUser"); //$NON-NLS-1$
        String pass = System.getProperty("http.proxyPassword"); //$NON-NLS-1$
        if (MiscUtil.isNotEmpty(user) && pass != null) {
            client.getState().setProxyCredentials(new AuthScope(host, p),
                    new UsernamePasswordCredentials(user, pass));

        }/*  ww  w . j  av  a 2  s  .  c  o m*/
    }
    return client;
}

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From source file:com.intellij.diagnostic.DevelopersLoader.java

public static Collection<Developer> fetchDevelopers(ProgressIndicator indicator) throws IOException {
    List<Developer> developers = new LinkedList<Developer>();
    developers.add(Developer.NULL);/*from   w  ww.ja  va2  s  .  c  o m*/

    HttpClient client = new HttpClient();
    client.getHttpConnectionManager().getParams().setConnectionTimeout(TIMEOUT);
    HttpMethod method = new GetMethod(DEVELOPERS_LIST_URL);

    try {
        client.executeMethod(method);

        BufferedReader reader = new BufferedReader(
                new InputStreamReader(method.getResponseBodyAsStream(), DATA_CHARSET));

        try {
            while (true) {
                String line = reader.readLine();
                if (line == null)
                    break;
                int i = line.indexOf('\t');
                if (i == -1)
                    throw new IOException("Protocol error");
                int id = Integer.parseInt(line.substring(0, i));
                String name = line.substring(i + 1);
                developers.add(new Developer(id, name));
                indicator.checkCanceled();
            }
            return developers;
        } finally {
            reader.close();
        }
    } finally {
        method.releaseConnection();
    }
}

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From source file:com.cloudbees.api.HttpClientHelper.java

public static HttpClient createClient(BeesClientConfiguration beesClientConfiguration) {
    HttpClient client = new HttpClient();
    String proxyHost = beesClientConfiguration.getProxyHost();
    if (proxyHost != null) {
        int proxyPort = beesClientConfiguration.getProxyPort();

        client.getHostConfiguration().setProxy(proxyHost, proxyPort);

        //if there are proxy credentials available, set those too
        Credentials proxyCredentials = null;
        String proxyUser = beesClientConfiguration.getProxyUser();
        String proxyPassword = beesClientConfiguration.getProxyPassword();
        if (proxyUser != null || proxyPassword != null)
            proxyCredentials = new UsernamePasswordCredentials(proxyUser, proxyPassword);
        if (proxyCredentials != null)
            client.getState().setProxyCredentials(AuthScope.ANY, proxyCredentials);
    }/*from   w w w.j  a  va2s  .  co m*/

    return client;
}

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From source file:apm.common.utils.HttpTookit.java

/**
 * HTTP GET?HTML//  w  w w . j a  v a  2s  .  c o m
 * 
 * @param url
 *            URL?
 * @param queryString
 *            ?,?null
 * @param charset
 *            
 * @param pretty
 *            ?
 * @return ?HTML
 */
public static String doGet(String url, String queryString, String charset, boolean pretty) {
    StringBuffer response = new StringBuffer();
    HttpClient client = new HttpClient();
    HttpMethod method = new GetMethod(url);
    try {
        if (StringUtils.isNotBlank(queryString))
            // get??http?????%?
            method.setQueryString(URIUtil.encodeQuery(queryString));
        client.executeMethod(method);
        if (method.getStatusCode() == HttpStatus.SC_OK) {
            BufferedReader reader = new BufferedReader(
                    new InputStreamReader(method.getResponseBodyAsStream(), charset));
            String line;
            while ((line = reader.readLine()) != null) {
                if (pretty) {
                    response.append(line).append(System.getProperty("line.separator"));
                } else {
                    response.append(line);
                }
            }
            reader.close();
        }
    } catch (URIException e) {
        log.error("HTTP Get?" + queryString + "???", e);
    } catch (IOException e) {
        log.error("HTTP Get" + url + "??", e);
    } finally {
        method.releaseConnection();
    }
    return response.toString();
}

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From source file:com.robonobo.common.media.PlaylistItem.java

public static List getPlaylist(String uri) throws IOException, PlaylistFormatException {
    Log log = LogFactory.getLog(PlaylistItem.class);
    Vector list = new Vector();
    HttpClient client = new HttpClient();
    GetMethod get = new GetMethod(uri);
    int status = client.executeMethod(get);
    switch (status) {
    case 200://from  w  w  w .j  a  v  a 2 s.c  om
        BufferedReader reader = new BufferedReader(new InputStreamReader(get.getResponseBodyAsStream()));
        String line = reader.readLine();
        if (!line.equals("[playlist]"))
            throw new PlaylistFormatException("The provided URL does not describe a playlist");
        String[] kvp;
        int currentEntryNumber = 1;
        int version = 2;
        int supposedNumberOfEntries = 1;
        PlaylistItem currentEntry = new PlaylistItem();
        while ((line = reader.readLine()) != null) {
            kvp = line.split("=");
            if (kvp[0].equals("NumberOfEntries")) {
                supposedNumberOfEntries = Integer.parseInt(kvp[1]);
            } else if (kvp[0].equals("Version")) {
                version = Integer.parseInt(kvp[1]);
                if (version != 2)
                    throw new PlaylistFormatException(
                            "This parser currently only supports version 2 .pls files");
            } else {
                if (!kvp[0].endsWith(String.valueOf(currentEntryNumber))) {
                    list.add(currentEntry);
                    currentEntryNumber++;
                    currentEntry = new PlaylistItem();
                }
                if (kvp[0].startsWith("File")) {
                    currentEntry.setFile(kvp[1]);
                } else if (kvp[0].startsWith("Title")) {
                    currentEntry.setTitle(kvp[1]);
                } else if (kvp[0].startsWith("Length")) {
                    currentEntry.setLength(Integer.parseInt(kvp[1]));
                }
            }
        }
        if (currentEntry != null)
            list.add(currentEntry);
        if (supposedNumberOfEntries != list.size())
            throw new PlaylistFormatException("The server said there were " + supposedNumberOfEntries
                    + " but we actually got " + list.size());
        return list;
    default:
        throw new IOException(
                "The remote server responded with a status " + status + " and not 200 as expected");
    }
}

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