Example usage for org.apache.commons.httpclient HttpStatus SC_SEE

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

Prototype

int SC_SEE_OTHER

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Document

<tt>303 See Other</tt> (HTTP/1.1 - RFC 2616)

Usage

From source file:org.methodize.nntprss.feed.Channel.java

/**
 * Retrieves the latest RSS doc from the remote site
 *//*from  ww w . j  a  va 2s  . co m*/
public synchronized void poll() {
    // Use method-level variable
    // Guard against change in history mid-poll
    polling = true;

    //      boolean keepHistory = historical;
    long keepExpiration = expiration;

    lastPolled = new Date();

    int statusCode = -1;
    HttpMethod method = null;
    String urlString = url.toString();
    try {
        HttpClient httpClient = getHttpClient();
        channelManager.configureHttpClient(httpClient);
        HttpResult result = null;

        try {

            connected = true;
            boolean redirected = false;
            int count = 0;
            do {
                URL currentUrl = new URL(urlString);
                method = new GetMethod(urlString);
                method.setRequestHeader("User-agent", AppConstants.getUserAgent());
                method.setRequestHeader("Accept-Encoding", "gzip");
                method.setFollowRedirects(false);
                method.setDoAuthentication(true);

                // ETag
                if (lastETag != null) {
                    method.setRequestHeader("If-None-Match", lastETag);
                }

                // Last Modified
                if (lastModified != 0) {
                    final String NAME = "If-Modified-Since";
                    //defend against such fun like net.freeroller.rickard got If-Modified-Since "Thu, 24 Aug 2028 12:29:54 GMT"
                    if (lastModified < System.currentTimeMillis()) {
                        final String DATE = httpDate.format(new Date(lastModified));
                        method.setRequestHeader(NAME, DATE);
                        log.debug("channel " + this.name + " using " + NAME + " " + DATE); //ALEK
                    }
                }

                method.setFollowRedirects(false);
                method.setDoAuthentication(true);

                HostConfiguration hostConfig = new HostConfiguration();
                hostConfig.setHost(currentUrl.getHost(), currentUrl.getPort(), currentUrl.getProtocol());

                result = executeHttpRequest(httpClient, hostConfig, method);
                statusCode = result.getStatusCode();
                if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY
                        || statusCode == HttpStatus.SC_MOVED_TEMPORARILY
                        || statusCode == HttpStatus.SC_SEE_OTHER
                        || statusCode == HttpStatus.SC_TEMPORARY_REDIRECT) {

                    redirected = true;
                    // Resolve against current URI - may be a relative URI
                    try {
                        urlString = new java.net.URI(urlString).resolve(result.getLocation()).toString();
                    } catch (URISyntaxException use) {
                        // Fall back to just using location from result
                        urlString = result.getLocation();
                    }
                    if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY && channelManager.isObserveHttp301()) {
                        try {
                            url = new URL(urlString);
                            if (log.isInfoEnabled()) {
                                log.info("Channel = " + this.name
                                        + ", updated URL from HTTP Permanent Redirect");
                            }
                        } catch (MalformedURLException mue) {
                            // Ignore URL permanent redirect for now...                        
                        }
                    }
                } else {
                    redirected = false;
                }

                //               method.getResponseBody();
                //               method.releaseConnection();
                count++;
            } while (count < 5 && redirected);

        } catch (HttpRecoverableException hre) {
            if (log.isDebugEnabled()) {
                log.debug("Channel=" + name + " - Temporary Http Problem - " + hre.getMessage());
            }
            status = STATUS_CONNECTION_TIMEOUT;
            statusCode = HttpStatus.SC_INTERNAL_SERVER_ERROR;
        } catch (ConnectException ce) {
            // @TODO Might also be a connection refused - not only a timeout...
            if (log.isDebugEnabled()) {
                log.debug("Channel=" + name + " - Connection Timeout, skipping - " + ce.getMessage());
            }
            status = STATUS_CONNECTION_TIMEOUT;
            statusCode = HttpStatus.SC_INTERNAL_SERVER_ERROR;
        } catch (UnknownHostException ue) {
            if (log.isDebugEnabled()) {
                log.debug("Channel=" + name + " - Unknown Host Exception, skipping");
            }
            status = STATUS_UNKNOWN_HOST;
            statusCode = HttpStatus.SC_INTERNAL_SERVER_ERROR;
        } catch (NoRouteToHostException re) {
            if (log.isDebugEnabled()) {
                log.debug("Channel=" + name + " - No Route To Host Exception, skipping");
            }
            status = STATUS_NO_ROUTE_TO_HOST;
            statusCode = HttpStatus.SC_INTERNAL_SERVER_ERROR;
        } catch (SocketException se) {
            // e.g. Network is unreachable            
            if (log.isDebugEnabled()) {
                log.debug("Channel=" + name + " - Socket Exception, skipping");
            }
            status = STATUS_SOCKET_EXCEPTION;
            statusCode = HttpStatus.SC_INTERNAL_SERVER_ERROR;
        }

        // Only process if ok - if not ok (e.g. not modified), don't do anything
        if (connected && statusCode == HttpStatus.SC_OK) {

            PushbackInputStream pbis = new PushbackInputStream(new ByteArrayInputStream(result.getResponse()),
                    PUSHBACK_BUFFER_SIZE);
            skipBOM(pbis);
            BufferedInputStream bis = new BufferedInputStream(pbis);
            DocumentBuilder db = AppConstants.newDocumentBuilder();

            try {
                Document rssDoc = null;
                if (!parseAtAllCost) {
                    try {
                        rssDoc = db.parse(bis);
                    } catch (InternalError ie) {
                        // Crimson library throws InternalErrors
                        if (log.isDebugEnabled()) {
                            log.debug("InternalError thrown by Crimson", ie);
                        }
                        throw new SAXException("InternalError thrown by Crimson: " + ie.getMessage());
                    }
                } else {
                    // Parse-at-all-costs selected
                    // Read in document to local array - may need to parse twice
                    ByteArrayOutputStream bos = new ByteArrayOutputStream();
                    byte[] buf = new byte[1024];
                    int bytesRead = bis.read(buf);
                    while (bytesRead > -1) {
                        if (bytesRead > 0) {
                            bos.write(buf, 0, bytesRead);
                        }
                        bytesRead = bis.read(buf);
                    }
                    bos.flush();
                    bos.close();

                    byte[] rssDocBytes = bos.toByteArray();

                    try {
                        // Try the XML document parser first - just in case
                        // the doc is well-formed
                        rssDoc = db.parse(new ByteArrayInputStream(rssDocBytes));
                    } catch (SAXParseException spe) {
                        if (log.isDebugEnabled()) {
                            log.debug("XML parse failed, trying tidy");
                        }
                        // Fallback to parse-at-all-costs parser
                        rssDoc = LooseParser.parse(new ByteArrayInputStream(rssDocBytes));
                    }
                }

                processChannelDocument(expiration, rssDoc);

                // Update last modified / etag from headers
                //               lastETag = httpCon.getHeaderField("ETag");
                //               lastModified = httpCon.getHeaderFieldDate("Last-Modified", 0);

                Header hdrETag = method.getResponseHeader("ETag");
                lastETag = hdrETag != null ? hdrETag.getValue() : null;

                Header hdrLastModified = method.getResponseHeader("Last-Modified");
                lastModified = hdrLastModified != null ? parseHttpDate(hdrLastModified.getValue()) : 0;
                log.debug("channel " + this.name + " parsed Last-Modifed " + hdrLastModified + " to "
                        + (lastModified != 0 ? "" + (new Date(lastModified)) : "" + lastModified)); //ALEK

                status = STATUS_OK;
            } catch (SAXParseException spe) {
                if (log.isEnabledFor(Priority.WARN)) {
                    log.warn("Channel=" + name + " - Error parsing RSS document - check feed");
                }
                status = STATUS_INVALID_CONTENT;
            }

            bis.close();

            // end if response code == HTTP_OK
        } else if (connected && statusCode == HttpStatus.SC_NOT_MODIFIED) {
            if (log.isDebugEnabled()) {
                log.debug("Channel=" + name + " - HTTP_NOT_MODIFIED, skipping");
            }
            status = STATUS_OK;
        } else if (statusCode == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED) {
            if (log.isEnabledFor(Priority.WARN)) {
                log.warn("Channel=" + name + " - Proxy authentication required");
            }
            status = STATUS_PROXY_AUTHENTICATION_REQUIRED;
        } else if (statusCode == HttpStatus.SC_UNAUTHORIZED) {
            if (log.isEnabledFor(Priority.WARN)) {
                log.warn("Channel=" + name + " - Authentication required");
            }
            status = STATUS_USER_AUTHENTICATION_REQUIRED;
        }

        // Update channel in database...
        channelDAO.updateChannel(this);

    } catch (FileNotFoundException fnfe) {
        if (log.isEnabledFor(Priority.WARN)) {
            log.warn("Channel=" + name + " - File not found returned by web server - check feed");
        }
        status = STATUS_NOT_FOUND;
    } catch (Exception e) {
        if (log.isEnabledFor(Priority.WARN)) {
            log.warn("Channel=" + name + " - Exception while polling channel", e);
        }
    } catch (NoClassDefFoundError ncdf) {
        // Throw if SSL / redirection to HTTPS
        if (log.isEnabledFor(Priority.WARN)) {
            log.warn("Channel=" + name + " - NoClassDefFound", ncdf);
        }
    } finally {
        connected = false;
        polling = false;
    }

}

From source file:org.methodize.nntprss.feed.Channel.java

/**
 * Simple channel validation - ensures URL
 * is valid, XML document is returned, and
 * document has an rss root element with a 
 * version, or rdf root element, //from w w  w.j  a  v a  2 s . c  o  m
 */
public static boolean isValid(URL url) throws HttpUserException {
    boolean valid = false;
    try {
        //         System.setProperty("networkaddress.cache.ttl", "0");

        HttpClient client = new HttpClient();
        ChannelManager.getChannelManager().configureHttpClient(client);
        if (url.getUserInfo() != null) {
            client.getState().setCredentials(null, null,
                    new UsernamePasswordCredentials(URLDecoder.decode(url.getUserInfo())));
        }

        String urlString = url.toString();
        HttpMethod method = null;

        int count = 0;
        HttpResult result = null;
        int statusCode = HttpStatus.SC_OK;
        boolean redirected = false;
        do {
            method = new GetMethod(urlString);
            method.setRequestHeader("User-agent", AppConstants.getUserAgent());
            method.setRequestHeader("Accept-Encoding", "gzip");
            method.setFollowRedirects(false);
            method.setDoAuthentication(true);

            HostConfiguration hostConfiguration = client.getHostConfiguration();
            URI hostURI = new URI(urlString);
            hostConfiguration.setHost(hostURI);

            result = executeHttpRequest(client, hostConfiguration, method);
            statusCode = result.getStatusCode();
            if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY || statusCode == HttpStatus.SC_MOVED_TEMPORARILY
                    || statusCode == HttpStatus.SC_SEE_OTHER
                    || statusCode == HttpStatus.SC_TEMPORARY_REDIRECT) {
                redirected = true;
                // Resolve against current URI - may be a relative URI
                try {
                    urlString = new java.net.URI(urlString).resolve(result.getLocation()).toString();
                } catch (URISyntaxException use) {
                    // Fall back to just using location from result
                    urlString = result.getLocation();
                }
            } else {
                redirected = false;
            }

            //            method.getResponseBody();
            //            method.releaseConnection();
            count++;
        } while (count < 5 && redirected);

        // Only process if ok - if not ok (e.g. not modified), don't do anything
        if (statusCode == HttpStatus.SC_OK) {
            PushbackInputStream pbis = new PushbackInputStream(new ByteArrayInputStream(result.getResponse()),
                    PUSHBACK_BUFFER_SIZE);
            skipBOM(pbis);

            BufferedInputStream bis = new BufferedInputStream(pbis);
            DocumentBuilder db = AppConstants.newDocumentBuilder();
            Document rssDoc = db.parse(bis);
            Element rootElm = rssDoc.getDocumentElement();

            for (int i = 0; i < parsers.length; i++) {
                if (parsers[i].isParsable(rootElm)) {
                    valid = true;
                    break;
                }
            }
        } else if (statusCode == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED) {
            throw new HttpUserException(statusCode);
        } else if (statusCode == HttpStatus.SC_UNAUTHORIZED) {
            throw new HttpUserException(statusCode);
        }

    } catch (URIException e) {
        e.printStackTrace();
    } catch (ParserConfigurationException e) {
        e.printStackTrace();
    } catch (SAXException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return valid;
}

From source file:org.mulgara.resolver.http.HttpContent.java

private boolean isRedirected(int status) {
    return (status == HttpStatus.SC_TEMPORARY_REDIRECT || status == HttpStatus.SC_MOVED_TEMPORARILY
            || status == HttpStatus.SC_MOVED_PERMANENTLY || status == HttpStatus.SC_SEE_OTHER);
}

From source file:org.nuxeo.opensocial.shindig.gadgets.NXHttpFetcher.java

/** {@inheritDoc} */
public HttpResponse fetch(HttpRequest request) {
    HttpClient httpClient = new HttpClient();
    HttpMethod httpMethod;//from  ww w  .  j  a  va2s .co  m
    String methodType = request.getMethod();
    String requestUri = request.getUri().toString();

    ProxyHelper.fillProxy(httpClient, requestUri);

    // true for non-HEAD requests
    boolean requestCompressedContent = true;

    if ("POST".equals(methodType) || "PUT".equals(methodType)) {
        EntityEnclosingMethod enclosingMethod = ("POST".equals(methodType)) ? new PostMethod(requestUri)
                : new PutMethod(requestUri);

        if (request.getPostBodyLength() > 0) {
            enclosingMethod.setRequestEntity(new InputStreamRequestEntity(request.getPostBody()));
            enclosingMethod.setRequestHeader("Content-Length", String.valueOf(request.getPostBodyLength()));
        }
        httpMethod = enclosingMethod;
    } else if ("DELETE".equals(methodType)) {
        httpMethod = new DeleteMethod(requestUri);
    } else if ("HEAD".equals(methodType)) {
        httpMethod = new HeadMethod(requestUri);
    } else {
        httpMethod = new GetMethod(requestUri);
    }

    httpMethod.setFollowRedirects(false);
    httpMethod.getParams().setSoTimeout(connectionTimeoutMs);

    if (requestCompressedContent)
        httpMethod.setRequestHeader("Accept-Encoding", "gzip, deflate");

    for (Map.Entry<String, List<String>> entry : request.getHeaders().entrySet()) {
        httpMethod.setRequestHeader(entry.getKey(), StringUtils.join(entry.getValue(), ','));
    }

    try {

        int statusCode = httpClient.executeMethod(httpMethod);

        // Handle redirects manually
        if (request.getFollowRedirects() && ((statusCode == HttpStatus.SC_MOVED_TEMPORARILY)
                || (statusCode == HttpStatus.SC_MOVED_PERMANENTLY) || (statusCode == HttpStatus.SC_SEE_OTHER)
                || (statusCode == HttpStatus.SC_TEMPORARY_REDIRECT))) {

            Header header = httpMethod.getResponseHeader("location");
            if (header != null) {
                String redirectUri = header.getValue();

                if ((redirectUri == null) || (redirectUri.equals(""))) {
                    redirectUri = "/";
                }
                httpMethod.releaseConnection();
                httpMethod = new GetMethod(redirectUri);

                statusCode = httpClient.executeMethod(httpMethod);
            }
        }

        return makeResponse(httpMethod, statusCode);

    } catch (IOException e) {
        if (e instanceof java.net.SocketTimeoutException || e instanceof java.net.SocketException) {
            return HttpResponse.timeout();
        }

        return HttpResponse.error();

    } finally {
        httpMethod.releaseConnection();
    }
}

From source file:org.openlaszlo.data.HTTPDataSource.java

/**
 * convenience routine missing from http library
 *//*  w w w  .ja  v  a2s . com*/
static boolean isRedirect(int rc) {
    return (rc == HttpStatus.SC_MOVED_PERMANENTLY || rc == HttpStatus.SC_MOVED_TEMPORARILY
            || rc == HttpStatus.SC_SEE_OTHER || rc == HttpStatus.SC_TEMPORARY_REDIRECT);
}

From source file:org.opens.tanaguru.util.http.HttpRequestHandler.java

private int computeStatus(int status) {
    switch (status) {
    case HttpStatus.SC_FORBIDDEN:
    case HttpStatus.SC_METHOD_NOT_ALLOWED:
    case HttpStatus.SC_BAD_REQUEST:
    case HttpStatus.SC_UNAUTHORIZED:
    case HttpStatus.SC_PAYMENT_REQUIRED:
    case HttpStatus.SC_NOT_FOUND:
    case HttpStatus.SC_NOT_ACCEPTABLE:
    case HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED:
    case HttpStatus.SC_REQUEST_TIMEOUT:
    case HttpStatus.SC_CONFLICT:
    case HttpStatus.SC_GONE:
    case HttpStatus.SC_LENGTH_REQUIRED:
    case HttpStatus.SC_PRECONDITION_FAILED:
    case HttpStatus.SC_REQUEST_TOO_LONG:
    case HttpStatus.SC_REQUEST_URI_TOO_LONG:
    case HttpStatus.SC_UNSUPPORTED_MEDIA_TYPE:
    case HttpStatus.SC_REQUESTED_RANGE_NOT_SATISFIABLE:
    case HttpStatus.SC_EXPECTATION_FAILED:
    case HttpStatus.SC_INSUFFICIENT_SPACE_ON_RESOURCE:
    case HttpStatus.SC_METHOD_FAILURE:
    case HttpStatus.SC_UNPROCESSABLE_ENTITY:
    case HttpStatus.SC_LOCKED:
    case HttpStatus.SC_FAILED_DEPENDENCY:
    case HttpStatus.SC_INTERNAL_SERVER_ERROR:
    case HttpStatus.SC_NOT_IMPLEMENTED:
    case HttpStatus.SC_BAD_GATEWAY:
    case HttpStatus.SC_SERVICE_UNAVAILABLE:
    case HttpStatus.SC_GATEWAY_TIMEOUT:
    case HttpStatus.SC_HTTP_VERSION_NOT_SUPPORTED:
    case HttpStatus.SC_INSUFFICIENT_STORAGE:
        return 0;
    case HttpStatus.SC_CONTINUE:
    case HttpStatus.SC_SWITCHING_PROTOCOLS:
    case HttpStatus.SC_PROCESSING:
    case HttpStatus.SC_OK:
    case HttpStatus.SC_CREATED:
    case HttpStatus.SC_ACCEPTED:
    case HttpStatus.SC_NON_AUTHORITATIVE_INFORMATION:
    case HttpStatus.SC_NO_CONTENT:
    case HttpStatus.SC_RESET_CONTENT:
    case HttpStatus.SC_PARTIAL_CONTENT:
    case HttpStatus.SC_MULTI_STATUS:
    case HttpStatus.SC_MULTIPLE_CHOICES:
    case HttpStatus.SC_MOVED_PERMANENTLY:
    case HttpStatus.SC_MOVED_TEMPORARILY:
    case HttpStatus.SC_SEE_OTHER:
    case HttpStatus.SC_NOT_MODIFIED:
    case HttpStatus.SC_USE_PROXY:
    case HttpStatus.SC_TEMPORARY_REDIRECT:
        return 1;
    default:/*from   w w  w. j  a va 2 s .  c om*/
        return 1;
    }
}

From source file:org.vamdc.taverna.vamdc_taverna_suite.common.UWSCaller.java

/**
 * @param filename//from   ww w .ja va2  s  . com
 * @param strURL
 * @param append
 * @return
 * @throws Exception
 */
private static String getDetails(File input, String strURL, String append) throws Exception {
    // Prepare HTTP post
    PostMethod post = new PostMethod(strURL);
    // Request content will be retrieved directly
    // from the input stream
    // Per default, the request content needs to be buffered
    // in order to determine its length.
    // Request body buffering can be avoided when
    // content length is explicitly specified

    post.setRequestEntity(new InputStreamRequestEntity(new FileInputStream(input), input.length()));
    post.setRequestHeader("Content-type", "text/xml; charset=ISO-8859-1");

    post.setFollowRedirects(false);
    // Get HTTP client
    HttpClient httpclient = new HttpClient();

    try {
        //httpclient.
        int result = httpclient.executeMethod(post);
        int statuscode = post.getStatusCode();

        if ((statuscode == HttpStatus.SC_MOVED_TEMPORARILY) || (statuscode == HttpStatus.SC_MOVED_PERMANENTLY)
                || (statuscode == HttpStatus.SC_SEE_OTHER)
                || (statuscode == HttpStatus.SC_TEMPORARY_REDIRECT)) {

            Header header = post.getResponseHeader("location");
            System.out.println("   :  Header  :  " + header);
            if (header != null) {
                String newuri = header.getValue();
                if ((newuri == null) || (newuri.equals("")))
                    newuri = "/";
                return newuri;
            } else {
                return null;
            }
        } else {
            System.out.println(post.getResponseBodyAsString());
        }
    } finally {
        // Release current connection to the connection pool 
        // once you are done
        post.releaseConnection();
    }
    return null;
}

From source file:org.ybygjy.httpclient.FormLoginDemo.java

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

    HttpClient client = new HttpClient();
    client.getHostConfiguration().setHost(LOGON_SITE, LOGON_PORT, "http");
    client.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
    // 'developer.java.sun.com' has cookie compliance problems
    // Their session cookie's domain attribute is in violation of the RFC2109
    // We have to resort to using compatibility cookie policy

    GetMethod authget = new GetMethod("/org.ybygjy.web.servlet.HttpClientServlet");

    client.executeMethod(authget);/*from  w ww .j a  va 2 s  .  c om*/
    System.out.println("Login form get: " + authget.getStatusLine().toString());
    // release any connection resources used by the method
    authget.releaseConnection();
    // See if we got any cookies
    CookieSpec cookiespec = CookiePolicy.getDefaultSpec();
    Cookie[] initcookies = cookiespec.match(LOGON_SITE, LOGON_PORT, "/", false, client.getState().getCookies());
    System.out.println("Initial set of cookies:");
    if (initcookies.length == 0) {
        System.out.println("None");
    } else {
        for (int i = 0; i < initcookies.length; i++) {
            System.out.println("- " + initcookies[i].toString());
        }
    }

    PostMethod authpost = new PostMethod("/org.ybygjy.web.servlet.HttpClientServlet");
    // Prepare login parameters
    NameValuePair action = new NameValuePair("action", "login");
    NameValuePair url = new NameValuePair("url", "/index.html");
    NameValuePair userid = new NameValuePair("UserId", "userid");
    NameValuePair password = new NameValuePair("Password", "password");
    authpost.setRequestBody(new NameValuePair[] { action, url, userid, password });

    client.executeMethod(authpost);
    System.out.println("Login form post: " + authpost.getStatusLine().toString());
    // release any connection resources used by the method
    authpost.releaseConnection();
    // See if we got any cookies
    // The only way of telling whether logon succeeded is 
    // by finding a session cookie
    Cookie[] logoncookies = cookiespec.match(LOGON_SITE, LOGON_PORT, "/", false,
            client.getState().getCookies());
    System.out.println("Logon cookies:");
    if (logoncookies.length == 0) {
        System.out.println("None");
    } else {
        for (int i = 0; i < logoncookies.length; i++) {
            System.out.println("- " + logoncookies[i].toString());
        }
    }
    // Usually a successful form-based login results in a redicrect to 
    // another url
    int statuscode = authpost.getStatusCode();
    if ((statuscode == HttpStatus.SC_MOVED_TEMPORARILY) || (statuscode == HttpStatus.SC_MOVED_PERMANENTLY)
            || (statuscode == HttpStatus.SC_SEE_OTHER) || (statuscode == HttpStatus.SC_TEMPORARY_REDIRECT)) {
        Header header = authpost.getResponseHeader("location");
        if (header != null) {
            String newuri = header.getValue();
            if ((newuri == null) || (newuri.equals(""))) {
                newuri = "/";
            }
            System.out.println("Redirect target: " + newuri);
            GetMethod redirect = new GetMethod(newuri);

            client.executeMethod(redirect);
            System.out.println("Redirect: " + redirect.getStatusLine().toString());
            // release any connection resources used by the method
            redirect.releaseConnection();
        } else {
            System.out.println("Invalid redirect");
            System.exit(1);
        }
    }
}

From source file:org.yccheok.jstock.gui.UtilsRef.java

/**
 * Get response body through non-standard POST method.
 * Please refer to <url>http://stackoverflow.com/questions/1473255/is-jakarta-httpclient-sutitable-for-the-following-task/1473305#1473305</url>
 *
 * @param uri For example, http://X/%5bvUpJYKw4QvGRMBmhATUxRwv4JrU9aDnwNEuangVyy6OuHxi2YiY=%5dImage?
 * @param formData For example, [SORT]=0,1,0,10,5,0,KL,0&[FIELD]=33,38,51
 * @return the response body. null if fail.
 *///from   w  ww. j  ava2  s  .co m
public static String getPOSTResponseBodyAsStringBasedOnProxyAuthOption(String uri, String formData) {
    ///org.yccheok.jstock.engine.Utils.setHttpClientProxyFromSystemProperties(httpClient);
    org.yccheok.jstock.gui.UtilsRef.setHttpClientProxyCredentialsFromJStockOptions(httpClient);

    final PostMethod method = new PostMethod(uri);
    final RequestEntity entity;
    try {
        entity = new StringRequestEntity(formData, "application/x-www-form-urlencoded", "UTF-8");
    } catch (UnsupportedEncodingException exp) {
        log.error(null, exp);
        return null;
    }
    method.setRequestEntity(entity);
    method.setContentChunked(false);

    ///final JStockOptions jStockOptions = MainFrame.getInstance().getJStockOptions();
    String respond = null;
    try {
        if (false/*jStockOptions.isProxyAuthEnabled()*/) {
            /* WARNING : This chunck of code block is not tested! */
            method.setFollowRedirects(false);
            httpClient.executeMethod(method);

            int statuscode = method.getStatusCode();
            if ((statuscode == HttpStatus.SC_MOVED_TEMPORARILY)
                    || (statuscode == HttpStatus.SC_MOVED_PERMANENTLY)
                    || (statuscode == HttpStatus.SC_SEE_OTHER)
                    || (statuscode == HttpStatus.SC_TEMPORARY_REDIRECT)) {
                //Make new Request with new URL
                Header header = method.getResponseHeader("location");
                /* WARNING : Correct method to redirect? Shall we use POST? How about form data? */
                HttpMethod RedirectMethod = new GetMethod(header.getValue());
                // I assume it is OK to release method for twice. (The second
                // release will happen in finally block). We shouldn't have an
                // unreleased method, before executing another new method.
                method.releaseConnection();
                // Do RedirectMethod within try-catch-finally, so that we can have a
                // exception free way to release RedirectMethod connection.
                // #2836422
                try {
                    httpClient.executeMethod(RedirectMethod);
                    respond = RedirectMethod.getResponseBodyAsString();
                } catch (HttpException exp) {
                    log.error(null, exp);
                    return null;
                } catch (IOException exp) {
                    log.error(null, exp);
                    return null;
                } finally {
                    RedirectMethod.releaseConnection();
                }
            } else {
                respond = method.getResponseBodyAsString();
            } // if statuscode = Redirect
        } else {
            httpClient.executeMethod(method);
            respond = method.getResponseBodyAsString();
        } //  if jStockOptions.isProxyAuthEnabled()
    } catch (HttpException exp) {
        log.error(null, exp);
        return null;
    } catch (IOException exp) {
        log.error(null, exp);
        return null;
    } finally {
        method.releaseConnection();
    }
    return respond;
}

From source file:org.yccheok.jstock.gui.UtilsRef.java

public static String getResponseBodyAsStringBasedOnProxyAuthOption(String request) {
    ///org.yccheok.jstock.engine.Utils.setHttpClientProxyFromSystemProperties(httpClient);
    if (!mytest)//from  w ww.j av  a 2 s.c o m
        org.yccheok.jstock.gui.UtilsRef.setHttpClientProxyCredentialsFromJStockOptions(httpClient);

    final HttpMethod method = new GetMethod(request);
    ///final JStockOptions jStockOptions = MainFrame.getInstance().getJStockOptions();
    String respond = null;
    try {
        if (true/*!mytest&&jStockOptions.isProxyAuthEnabled()*/) {
            method.setFollowRedirects(false);
            httpClient.executeMethod(method);

            int statuscode = method.getStatusCode();
            if ((statuscode == HttpStatus.SC_MOVED_TEMPORARILY)
                    || (statuscode == HttpStatus.SC_MOVED_PERMANENTLY)
                    || (statuscode == HttpStatus.SC_SEE_OTHER)
                    || (statuscode == HttpStatus.SC_TEMPORARY_REDIRECT)) {
                //Make new Request with new URL
                Header header = method.getResponseHeader("location");
                HttpMethod RedirectMethod = new GetMethod(header.getValue());
                // I assume it is OK to release method for twice. (The second
                // release will happen in finally block). We shouldn't have an
                // unreleased method, before executing another new method.
                method.releaseConnection();
                // Do RedirectMethod within try-catch-finally, so that we can have a
                // exception free way to release RedirectMethod connection.
                // #2836422
                try {
                    httpClient.executeMethod(RedirectMethod);
                    respond = RedirectMethod.getResponseBodyAsString();
                } catch (HttpException exp) {
                    log.error(null, exp);
                    return null;
                } catch (IOException exp) {
                    log.error(null, exp);
                    return null;
                } finally {
                    RedirectMethod.releaseConnection();
                }
            } else {
                respond = method.getResponseBodyAsString();
            } // if statuscode = Redirect
        } else {
            httpClient.executeMethod(method);
            respond = method.getResponseBodyAsString();
        } //  if jStockOptions.isProxyAuthEnabled()
    } catch (HttpException exp) {
        log.error(null, exp);
        return null;
    } catch (IOException exp) {
        log.error(null, exp);
        return null;
    } finally {
        method.releaseConnection();
    }
    return respond;
}

Example usage for org.apache.commons.httpclient HttpStatus SC_SEE_OTHER

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Usage