Example usage for org.apache.commons.httpclient HttpMethod getResponseHeader

List of usage examples for org.apache.commons.httpclient HttpMethod getResponseHeader

Introduction

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

Prototype

public abstract Header getResponseHeader(String paramString);

Source Link

Usage

From source file:com.twelve.capital.external.feed.util.HttpImpl.java

protected byte[] URLtoByteArray(String location, Http.Method method, Map<String, String> headers,
        Cookie[] cookies, Http.Auth auth, Http.Body body, List<Http.FilePart> fileParts,
        Map<String, String> parts, Http.Response response, boolean followRedirects, String progressId,
        PortletRequest portletRequest) throws IOException {

    byte[] bytes = null;

    HttpMethod httpMethod = null;
    HttpState httpState = null;//  w  w  w. jav  a 2s  .  c  om

    try {
        _cookies.set(null);

        if (location == null) {
            return null;
        } else if (!location.startsWith(Http.HTTP_WITH_SLASH) && !location.startsWith(Http.HTTPS_WITH_SLASH)) {

            location = Http.HTTP_WITH_SLASH + location;
        }

        HostConfiguration hostConfiguration = getHostConfiguration(location);

        HttpClient httpClient = getClient(hostConfiguration);

        if (method.equals(Http.Method.POST) || method.equals(Http.Method.PUT)) {

            if (method.equals(Http.Method.POST)) {
                httpMethod = new PostMethod(location);
            } else {
                httpMethod = new PutMethod(location);
            }

            if (body != null) {
                RequestEntity requestEntity = new StringRequestEntity(body.getContent(), body.getContentType(),
                        body.getCharset());

                EntityEnclosingMethod entityEnclosingMethod = (EntityEnclosingMethod) httpMethod;

                entityEnclosingMethod.setRequestEntity(requestEntity);
            } else if (method.equals(Http.Method.POST)) {
                PostMethod postMethod = (PostMethod) httpMethod;

                if (!hasRequestHeader(postMethod, HttpHeaders.CONTENT_TYPE)) {

                    HttpClientParams httpClientParams = httpClient.getParams();

                    httpClientParams.setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, StringPool.UTF8);
                }

                processPostMethod(postMethod, fileParts, parts);
            }
        } else if (method.equals(Http.Method.DELETE)) {
            httpMethod = new DeleteMethod(location);
        } else if (method.equals(Http.Method.HEAD)) {
            httpMethod = new HeadMethod(location);
        } else {
            httpMethod = new GetMethod(location);
        }

        if (headers != null) {
            for (Map.Entry<String, String> header : headers.entrySet()) {
                httpMethod.addRequestHeader(header.getKey(), header.getValue());
            }
        }

        if ((method.equals(Http.Method.POST) || method.equals(Http.Method.PUT)) && ((body != null)
                || ((fileParts != null) && !fileParts.isEmpty()) || ((parts != null) && !parts.isEmpty()))) {
        } else if (!hasRequestHeader(httpMethod, HttpHeaders.CONTENT_TYPE)) {
            httpMethod.addRequestHeader(HttpHeaders.CONTENT_TYPE,
                    ContentTypes.APPLICATION_X_WWW_FORM_URLENCODED_UTF8);
        }

        if (!hasRequestHeader(httpMethod, HttpHeaders.USER_AGENT)) {
            httpMethod.addRequestHeader(HttpHeaders.USER_AGENT, _DEFAULT_USER_AGENT);
        }

        httpState = new HttpState();

        if (ArrayUtil.isNotEmpty(cookies)) {
            org.apache.commons.httpclient.Cookie[] commonsCookies = toCommonsCookies(cookies);

            httpState.addCookies(commonsCookies);

            HttpMethodParams httpMethodParams = httpMethod.getParams();

            httpMethodParams.setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
        }

        if (auth != null) {
            httpMethod.setDoAuthentication(true);

            httpState.setCredentials(new AuthScope(auth.getHost(), auth.getPort(), auth.getRealm()),
                    new UsernamePasswordCredentials(auth.getUsername(), auth.getPassword()));
        }

        proxifyState(httpState, hostConfiguration);

        int responseCode = httpClient.executeMethod(hostConfiguration, httpMethod, httpState);

        response.setResponseCode(responseCode);

        Header locationHeader = httpMethod.getResponseHeader("location");

        if ((locationHeader != null) && !locationHeader.equals(location)) {
            String redirect = locationHeader.getValue();

            if (followRedirects) {
                return URLtoByteArray(redirect, Http.Method.GET, headers, cookies, auth, body, fileParts, parts,
                        response, followRedirects, progressId, portletRequest);
            } else {
                response.setRedirect(redirect);
            }
        }

        InputStream inputStream = httpMethod.getResponseBodyAsStream();

        if (inputStream != null) {
            int contentLength = 0;

            Header contentLengthHeader = httpMethod.getResponseHeader(HttpHeaders.CONTENT_LENGTH);

            if (contentLengthHeader != null) {
                contentLength = GetterUtil.getInteger(contentLengthHeader.getValue());

                response.setContentLength(contentLength);
            }

            Header contentType = httpMethod.getResponseHeader(HttpHeaders.CONTENT_TYPE);

            if (contentType != null) {
                response.setContentType(contentType.getValue());
            }

            if (Validator.isNotNull(progressId) && (portletRequest != null)) {

                ProgressInputStream progressInputStream = new ProgressInputStream(portletRequest, inputStream,
                        contentLength, progressId);

                UnsyncByteArrayOutputStream unsyncByteArrayOutputStream = new UnsyncByteArrayOutputStream(
                        contentLength);

                try {
                    progressInputStream.readAll(unsyncByteArrayOutputStream);
                } finally {
                    progressInputStream.clearProgress();
                }

                bytes = unsyncByteArrayOutputStream.unsafeGetByteArray();

                unsyncByteArrayOutputStream.close();
            } else {
                bytes = FileUtil.getBytes(inputStream);
            }
        }

        for (Header header : httpMethod.getResponseHeaders()) {
            response.addHeader(header.getName(), header.getValue());
        }

        return bytes;
    } finally {
        try {
            if (httpState != null) {
                _cookies.set(toServletCookies(httpState.getCookies()));
            }
        } catch (Exception e) {
            _log.error(e, e);
        }

        try {
            if (httpMethod != null) {
                httpMethod.releaseConnection();
            }
        } catch (Exception e) {
            _log.error(e, e);
        }
    }
}

From source file:com.twinsoft.convertigo.engine.servlets.ReverseProxyServlet.java

/**
 * Executes the {@link HttpMethod} passed in and sends the proxy response
 * back to the client via the given {@link HttpServletResponse}
 * // ww  w  .  j  av  a2s  .com
 * @param httpMethodProxyRequest
 *            An object representing the proxy request to be made
 * @param httpServletResponse
 *            An object by which we can send the proxied response back to
 *            the client
 * @throws IOException
 *             Can be thrown by the {@link HttpClient}.executeMethod
 * @throws ServletException
 *             Can be thrown to indicate that another error has occurred
 * @throws EngineException
 */
private void doRequest(HttpMethodType httpMethodType, HttpServletRequest httpServletRequest,
        HttpServletResponse httpServletResponse) throws IOException, ServletException {
    try {
        Engine.logEngine.debug("(ReverseProxyServlet) Starting request handling");

        if (Boolean.parseBoolean(EnginePropertiesManager.getProperty(PropertyName.SSL_DEBUG))) {
            System.setProperty("javax.net.debug", "all");
            Engine.logEngine.trace("(ReverseProxyServlet) Enabling SSL debug mode");
        } else {
            System.setProperty("javax.net.debug", "");
            Engine.logEngine.debug("(ReverseProxyServlet) Disabling SSL debug mode");
        }

        String baseUrl;
        String projectName;
        String connectorName;
        String contextName;
        String extraPath;

        {
            String requestURI = httpServletRequest.getRequestURI();
            Engine.logEngine.trace("(ReverseProxyServlet) Requested URI : " + requestURI);
            Matcher m = reg_fields.matcher(requestURI);
            if (m.matches() && m.groupCount() >= 5) {
                baseUrl = m.group(1);
                projectName = m.group(2);
                connectorName = m.group(3);
                contextName = m.group(4);
                extraPath = m.group(5);
            } else {
                throw new MalformedURLException(
                        "The request doesn't contains needed fields : projectName, connectorName and contextName");
            }
        }

        String sessionID = httpServletRequest.getSession().getId();

        Engine.logEngine.debug("(ReverseProxyServlet) baseUrl : " + baseUrl + " ; projectName : " + projectName
                + " ; connectorName : " + connectorName + " ; contextName : " + contextName + " ; extraPath : "
                + extraPath + " ; sessionID : " + sessionID);

        Context context = Engine.theApp.contextManager.get(null, contextName, sessionID, null, projectName,
                connectorName, null);

        Project project = Engine.theApp.databaseObjectsManager.getProjectByName(projectName);
        context.projectName = projectName;
        context.project = project;

        ProxyHttpConnector proxyHttpConnector = (ProxyHttpConnector) project.getConnectorByName(connectorName);
        context.connector = proxyHttpConnector;
        context.connectorName = proxyHttpConnector.getName();

        HostConfiguration hostConfiguration = proxyHttpConnector.hostConfiguration;

        // Proxy configuration
        String proxyServer = Engine.theApp.proxyManager.getProxyServer();
        String proxyUser = Engine.theApp.proxyManager.getProxyUser();
        String proxyPassword = Engine.theApp.proxyManager.getProxyPassword();
        int proxyPort = Engine.theApp.proxyManager.getProxyPort();

        if (!proxyServer.equals("")) {
            hostConfiguration.setProxy(proxyServer, proxyPort);
            Engine.logEngine.debug("(ReverseProxyServlet) Using proxy: " + proxyServer + ":" + proxyPort);
        } else {
            // Remove old proxy configuration
            hostConfiguration.setProxyHost(null);
        }

        String targetHost = proxyHttpConnector.getServer();
        Engine.logEngine.debug("(ReverseProxyServlet) Target host: " + targetHost);
        int targetPort = proxyHttpConnector.getPort();
        Engine.logEngine.debug("(ReverseProxyServlet) Target port: " + targetPort);

        // Configuration SSL
        Engine.logEngine.debug("(ReverseProxyServlet) Https: " + proxyHttpConnector.isHttps());
        CertificateManager certificateManager = proxyHttpConnector.certificateManager;
        boolean trustAllServerCertificates = proxyHttpConnector.isTrustAllServerCertificates();

        if (proxyHttpConnector.isHttps()) {
            Engine.logEngine.debug("(ReverseProxyServlet) Setting up SSL properties");
            certificateManager.collectStoreInformation(context);

            Engine.logEngine.debug(
                    "(ReverseProxyServlet) CertificateManager has changed: " + certificateManager.hasChanged);
            if (certificateManager.hasChanged || (!targetHost.equalsIgnoreCase(hostConfiguration.getHost()))
                    || (hostConfiguration.getPort() != targetPort)) {
                Engine.logEngine
                        .debug("(ReverseProxyServlet) Using MySSLSocketFactory for creating the SSL socket");
                Protocol myhttps = new Protocol("https",
                        MySSLSocketFactory.getSSLSocketFactory(certificateManager.keyStore,
                                certificateManager.keyStorePassword, certificateManager.trustStore,
                                certificateManager.trustStorePassword, trustAllServerCertificates),
                        targetPort);

                hostConfiguration.setHost(targetHost, targetPort, myhttps);
            }

            Engine.logEngine.debug("(ReverseProxyServlet) Updated host configuration for SSL purposes");
        } else {
            hostConfiguration.setHost(targetHost, targetPort);
        }

        HttpMethod httpMethodProxyRequest;

        String targetPath = proxyHttpConnector.getBaseDir() + extraPath;

        // Handle the query string
        if (httpServletRequest.getQueryString() != null) {
            targetPath += "?" + httpServletRequest.getQueryString();
        }
        Engine.logEngine.debug("(ReverseProxyServlet) Target path: " + targetPath);

        Engine.logEngine.debug("(ReverseProxyServlet) Requested method: " + httpMethodType);

        if (httpMethodType == HttpMethodType.GET) {
            // Create a GET request
            httpMethodProxyRequest = new GetMethod();
        } else if (httpMethodType == HttpMethodType.POST) {
            // Create a standard POST request
            httpMethodProxyRequest = new PostMethod();
            ((PostMethod) httpMethodProxyRequest)
                    .setRequestEntity(new InputStreamRequestEntity(httpServletRequest.getInputStream()));
        } else {
            throw new IllegalArgumentException("Unknown HTTP method: " + httpMethodType);
        }

        String charset = httpMethodProxyRequest.getParams().getUriCharset();
        URI targetURI;
        try {
            targetURI = new URI(targetPath, true, charset);
        } catch (URIException e) {
            // Bugfix #1484
            String newTargetPath = "";
            for (String part : targetPath.split("&")) {
                if (!newTargetPath.equals("")) {
                    newTargetPath += "&";
                }
                String[] pair = part.split("=");
                try {
                    newTargetPath += URLDecoder.decode(pair[0], "UTF-8") + "="
                            + (pair.length > 1 ? URLEncoder.encode(URLDecoder.decode(pair[1], "UTF-8"), "UTF-8")
                                    : "");
                } catch (UnsupportedEncodingException ee) {
                    newTargetPath = targetPath;
                }
            }

            targetURI = new URI(newTargetPath, true, charset);
        }
        httpMethodProxyRequest.setURI(targetURI);

        // Tells the method to automatically handle authentication.
        httpMethodProxyRequest.setDoAuthentication(true);

        HttpState httpState = getHttpState(proxyHttpConnector, context);

        String basicUser = proxyHttpConnector.getAuthUser();
        String basicPassword = proxyHttpConnector.getAuthPassword();
        String givenBasicUser = proxyHttpConnector.getGivenAuthUser();
        String givenBasicPassword = proxyHttpConnector.getGivenAuthPassword();

        // Basic authentication configuration
        String realm = null;
        if (!basicUser.equals("") || (basicUser.equals("") && (givenBasicUser != null))) {
            String userName = ((givenBasicUser == null) ? basicUser : givenBasicUser);
            String userPassword = ((givenBasicPassword == null) ? basicPassword : givenBasicPassword);
            httpState.setCredentials(new AuthScope(targetHost, targetPort, realm),
                    new UsernamePasswordCredentials(userName, userPassword));
            Engine.logEngine.debug("(ReverseProxyServlet) Credentials: " + userName + ":******");
        }

        // Setting basic authentication for proxy
        if (!proxyServer.equals("") && !proxyUser.equals("")) {
            httpState.setProxyCredentials(new AuthScope(proxyServer, proxyPort),
                    new UsernamePasswordCredentials(proxyUser, proxyPassword));
            Engine.logEngine.debug("(ReverseProxyServlet) Proxy credentials: " + proxyUser + ":******");
        }

        // Forward the request headers
        setProxyRequestHeaders(httpServletRequest, httpMethodProxyRequest, proxyHttpConnector);

        // Use the CEMS HttpClient
        HttpClient httpClient = Engine.theApp.httpClient;
        httpMethodProxyRequest.setFollowRedirects(false);

        // Execute the request
        int intProxyResponseCode = httpClient.executeMethod(hostConfiguration, httpMethodProxyRequest,
                httpState);

        // Check if the proxy response is a redirect
        // The following code is adapted from
        // org.tigris.noodle.filters.CheckForRedirect
        // Hooray for open source software
        if (intProxyResponseCode >= HttpServletResponse.SC_MULTIPLE_CHOICES /* 300 */
                && intProxyResponseCode < HttpServletResponse.SC_NOT_MODIFIED /* 304 */) {
            String stringStatusCode = Integer.toString(intProxyResponseCode);
            String stringLocation = httpMethodProxyRequest.getResponseHeader(STRING_LOCATION_HEADER).getValue();
            if (stringLocation == null) {
                throw new ServletException("Received status code: " + stringStatusCode + " but no "
                        + STRING_LOCATION_HEADER + " header was found in the response");
            }
            // Modify the redirect to go to this proxy servlet rather that
            // the
            // proxied host
            String redirect = handleRedirect(stringLocation, baseUrl, proxyHttpConnector);
            httpServletResponse.sendRedirect(redirect);
            Engine.logEngine.debug("(ReverseProxyServlet) Send redirect (" + redirect + ")");
            return;
        } else if (intProxyResponseCode == HttpServletResponse.SC_NOT_MODIFIED) {
            // 304 needs special handling. See:
            // http://www.ics.uci.edu/pub/ietf/http/rfc1945.html#Code304
            // We get a 304 whenever passed an 'If-Modified-Since'
            // header and the data on disk has not changed; server
            // responds w/ a 304 saying I'm not going to send the
            // body because the file has not changed.
            httpServletResponse.setIntHeader(STRING_CONTENT_LENGTH_HEADER_NAME, 0);
            httpServletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
            Engine.logEngine.debug("(ReverseProxyServlet) NOT MODIFIED (304)");
            return;
        }

        // Pass the response code back to the client
        httpServletResponse.setStatus(intProxyResponseCode);

        // Pass response headers back to the client
        Engine.logEngine.debug("(ReverseProxyServlet) Response headers back to the client:");
        Header[] headerArrayResponse = httpMethodProxyRequest.getResponseHeaders();
        for (Header header : headerArrayResponse) {
            String headerName = header.getName();
            String headerValue = header.getValue();
            if (!headerName.equalsIgnoreCase("Transfer-Encoding")
                    && !headerName.equalsIgnoreCase("Set-Cookie")) {
                httpServletResponse.setHeader(headerName, headerValue);
                Engine.logEngine.debug("   " + headerName + "=" + headerValue);
            }
        }

        String contentType = null;
        Header[] contentTypeHeaders = httpMethodProxyRequest.getResponseHeaders("Content-Type");
        for (Header contentTypeHeader : contentTypeHeaders) {
            contentType = contentTypeHeader.getValue();
            break;
        }

        String pageCharset = "UTF-8";
        if (contentType != null) {
            int iCharset = contentType.indexOf("charset=");
            if (iCharset != -1) {
                pageCharset = contentType.substring(iCharset + "charset=".length()).trim();
            }
            Engine.logEngine.debug("(ReverseProxyServlet) Using charset: " + pageCharset);
        }

        InputStream siteIn = httpMethodProxyRequest.getResponseBodyAsStream();

        // Handle gzipped content
        Header[] contentEncodingHeaders = httpMethodProxyRequest.getResponseHeaders("Content-Encoding");
        boolean bGZip = false, bDeflate = false;
        for (Header contentEncodingHeader : contentEncodingHeaders) {
            HeaderElement[] els = contentEncodingHeader.getElements();
            for (int j = 0; j < els.length; j++) {
                if ("gzip".equals(els[j].getName())) {
                    Engine.logBeans.debug("(ReverseProxyServlet) Decode GZip stream");
                    siteIn = new GZIPInputStream(siteIn);
                    bGZip = true;
                } else if ("deflate".equals(els[j].getName())) {
                    Engine.logBeans.debug("(ReverseProxyServlet) Decode Deflate stream");
                    siteIn = new InflaterInputStream(siteIn, new Inflater(true));
                    bDeflate = true;
                }
            }
        }

        byte[] bytesDataResult;

        ByteArrayOutputStream baos = new ByteArrayOutputStream(2048);

        // String resourceUrl = projectName + targetPath;

        String t = context.statistics.start(EngineStatistics.APPLY_USER_REQUEST);

        try {
            // Read either from the cache, either from the remote server
            // InputStream is = proxyCacheManager.getResource(resourceUrl);
            // if (is != null) {
            // Engine.logEngine.debug("(ReverseProxyServlet) Getting data from cache");
            // siteIn = is;
            // }
            int c = siteIn.read();
            while (c > -1) {
                baos.write(c);
                c = siteIn.read();
            }
            // if (is != null) is.close();
        } finally {
            context.statistics.stop(t, true);
        }

        bytesDataResult = baos.toByteArray();
        baos.close();
        Engine.logEngine.debug("(ReverseProxyServlet) Data retrieved!");

        // if (isDynamicContent(httpServletRequest.getPathInfo(),
        // proxyHttpConnector.getDynamicContentFiles())) {
        Engine.logEngine.debug("(ReverseProxyServlet) Dynamic content");

        bytesDataResult = handleStringReplacements(baseUrl, contentType, pageCharset, proxyHttpConnector,
                bytesDataResult);

        String billingClassName = context.getConnector().getBillingClassName();
        if (billingClassName != null) {
            try {
                Engine.logContext.debug("Billing class name required: " + billingClassName);
                AbstractBiller biller = (AbstractBiller) Class.forName(billingClassName).newInstance();
                Engine.logContext.debug("Executing the biller");
                biller.insertBilling(context);
            } catch (Throwable e) {
                Engine.logContext.warn("Unable to execute the biller (the billing is thus ignored): ["
                        + e.getClass().getName() + "] " + e.getMessage());
            }
        }
        // }
        // else {
        // Engine.logEngine.debug("(ReverseProxyServlet) Static content: " +
        // contentType);
        //            
        // // Determine if the resource has already been cached or not
        // CacheEntry cacheEntry =
        // proxyCacheManager.getCacheEntry(resourceUrl);
        // if (cacheEntry instanceof FileCacheEntry) {
        // FileCacheEntry fileCacheEntry = (FileCacheEntry) cacheEntry;
        // File file = new File(fileCacheEntry.fileName);
        // if (!file.exists())
        // proxyCacheManager.removeCacheEntry(cacheEntry);
        // cacheEntry = null;
        // }
        // if (cacheEntry == null) {
        // bytesDataResult = handleStringReplacements(contentType,
        // proxyHttpConnector, bytesDataResult);
        //
        // if (intProxyResponseCode == 200) {
        // Engine.logEngine.debug("(ReverseProxyServlet) Resource stored: "
        // + resourceUrl);
        // cacheEntry = proxyCacheManager.storeResponse(resourceUrl,
        // bytesDataResult);
        // cacheEntry.contentLength = bytesDataResult.length;
        // cacheEntry.contentType = contentType;
        // Engine.logEngine.debug("(ReverseProxyServlet) Cache entry: " +
        // cacheEntry);
        // }
        // }
        // }

        // Send the content to the client
        if (Engine.logEngine.isDebugEnabled() && MimeType.Html.is(contentType)) {
            Engine.logEngine.debug("Data proxied:\n" + new String(bytesDataResult, pageCharset));
        }

        if (bGZip || bDeflate) {
            baos = new ByteArrayOutputStream();
            OutputStream compressedOutputStream = bGZip ? new GZIPOutputStream(baos)
                    : new DeflaterOutputStream(baos,
                            new Deflater(Deflater.DEFAULT_COMPRESSION | Deflater.DEFAULT_STRATEGY, true));
            compressedOutputStream.write(bytesDataResult);
            compressedOutputStream.close();
            bytesDataResult = baos.toByteArray();
            baos.close();
        }

        httpServletResponse.setContentLength(bytesDataResult.length);
        OutputStream outputStreamClientResponse = httpServletResponse.getOutputStream();
        outputStreamClientResponse.write(bytesDataResult);

        Engine.logEngine.debug("(ReverseProxyServlet) End of document retransmission");
    } catch (Exception e) {
        Engine.logEngine.error("Error while trying to proxy page", e);
        throw new ServletException("Error while trying to proxy page", e);
    }
}

From source file:com.twinsoft.convertigo.beans.connectors.HttpConnector.java

private byte[] executeMethod(HttpMethod method, final Context context)
        throws IOException, URIException, MalformedURLException, EngineException {
    Header[] requestHeaders, responseHeaders = null;
    byte[] result = null;
    String contents = null;/*  w w w  .  java2 s.  c om*/
    int statuscode = -1;

    if (!context.requestedObject.runningThread.bContinue)
        return null;

    Engine.logBeans
            .debug("(HttpConnector) Executing method - " + method.getName() + "(" + method.getPath() + ")");

    try {
        requestHeaders = method.getRequestHeaders();
        if (Engine.logBeans.isTraceEnabled())
            Engine.logBeans
                    .trace("(HttpConnector) Request headers :\n" + Arrays.asList(requestHeaders).toString());

        statuscode = doExecuteMethod(method, context);

        Engine.logBeans.debug("(HttpConnector) Status: " + method.getStatusLine().toString());

        responseHeaders = method.getResponseHeaders();
        context.setResponseHeaders(responseHeaders);
        if (Engine.logBeans.isTraceEnabled())
            Engine.logBeans
                    .trace("(HttpConnector) Response headers:\n" + Arrays.asList(responseHeaders).toString());

        if (statuscode != -1) {
            InputStream in = method.getResponseBodyAsStream();
            if (in != null) {

                /**
                 * Retrieve response charset if available in responseHeaders
                 */
                charset = null;
                boolean checkGZip = false; // add GZip support #320

                for (int i = 0; i < responseHeaders.length && (charset == null || !checkGZip); i++) {
                    Header head = responseHeaders[i];
                    if (HeaderName.ContentType.is(head)) {
                        context.contentType = head.getValue();
                        HeaderElement[] els = head.getElements();
                        for (int j = 0; j < els.length && charset == null; j++) {
                            NameValuePair nvp = els[j].getParameterByName("charset");
                            if (nvp != null)
                                charset = nvp.getValue();
                        }
                    } else if (HeaderName.ContentEncoding.is(head)) {
                        checkGZip = true;
                        HeaderElement[] els = head.getElements();
                        for (int j = 0; j < els.length; j++)
                            if ("gzip".equals(els[j].getName())) {
                                Engine.logBeans.debug("(HttpConnector) Decode GZip stream");
                                in = new GZIPInputStream(in);
                            }
                    }
                }

                if (context.contentType != null && context.contentType.startsWith("multipart/")
                        && context.requestedObject instanceof AbstractHttpTransaction) {
                    Engine.logBeans.debug("(HttpConnector) Decoding multipart contentType");

                    try {
                        AbstractHttpTransaction transaction = (AbstractHttpTransaction) context.requestedObject;

                        BigMimeMultipart mp = new BigMimeMultipart(new BufferedInputStream(in),
                                context.contentType);

                        ByteArrayOutputStream bos = new ByteArrayOutputStream();
                        mp.nextPart(bos);
                        result = bos.toByteArray();

                        if (transaction.getAllowDownloadAttachment()) {
                            Document doc = context.outputDocument;
                            Element attInfo = null;

                            File file = File.createTempFile("c8o_", ".part");

                            for (MimePart bp = mp.nextPart(file); bp != null; bp = mp.nextPart(file)) {
                                try {
                                    file.deleteOnExit();

                                    if (attInfo == null) {
                                        Engine.logBeans.debug("(HttpConnector) Saving attachment(s)");

                                        attInfo = doc.createElement("AttachmentInfo");
                                        doc.getDocumentElement().appendChild(attInfo);
                                    }

                                    Element att = doc.createElement("attachment");
                                    attInfo.appendChild(att);

                                    String cid = bp.getContentID();

                                    if (cid != null) {
                                        cid = cid.replaceFirst("^<?(.*?)>?$", "$1");
                                        att.setAttribute("cid", "cid:" + cid);
                                    }

                                    Engine.logBeans.debug("(HttpConnector) Saving the attachment cid: " + cid
                                            + " in file: " + file.getAbsolutePath());

                                    att.setAttribute("filepath", file.getAbsolutePath());

                                    Enumeration<javax.mail.Header> headers = GenericUtils
                                            .cast(bp.getAllHeaders());
                                    while (headers.hasMoreElements()) {
                                        javax.mail.Header header = headers.nextElement();
                                        Element eHeader = doc.createElement("header");
                                        att.appendChild(eHeader);

                                        eHeader.setAttribute("name", header.getName());
                                        eHeader.setAttribute("value", header.getValue());
                                    }
                                } catch (Exception e1) {
                                    Engine.logBeans
                                            .error("(HttpConnector) Failed to retrieve the attachment in "
                                                    + file.getAbsolutePath(), e1);
                                }

                                file = File.createTempFile("c8o_", ".part");
                            }

                            file.delete();
                            in.close();
                        }
                    } catch (Exception e) {
                        Engine.logBeans.error("(HttpConnector) Failed to retrieve attachments", e);
                    }
                } else {
                    result = IOUtils.toByteArray(in);
                    in.close();
                }
            }

            if (Engine.logBeans.isTraceEnabled()) {
                contents = new String((result != null) ? result : new byte[] {});
                Engine.logBeans.trace("(HttpConnector) Response content:\n" + contents);
            }

            String redirectUrl, newuri;
            GetMethod redirectMethod = null;

            // Handles REDIRECTION through Location header
            if ((statuscode == HttpStatus.SC_MOVED_TEMPORARILY)
                    || (statuscode == HttpStatus.SC_MOVED_PERMANENTLY)
                    || (statuscode == HttpStatus.SC_SEE_OTHER)
                    || (statuscode == HttpStatus.SC_TEMPORARY_REDIRECT)) {

                Header location = method.getResponseHeader("Location");
                if (location != null) {
                    newuri = location.getValue();
                    if ((newuri == null) || (newuri.equals(""))) {
                        newuri = "/";
                    }

                    // ignore any data after the ";" character
                    int split = newuri.indexOf(';');
                    if (split != -1) {
                        newuri = newuri.substring(0, split);
                    }

                    redirectUrl = getAbsoluteUrl(method, newuri);
                    Engine.logBeans.debug("(HttpConnector) Redirecting to : " + redirectUrl);
                    redirectMethod = new GetMethod(redirectUrl);

                    // set headers
                    for (int i = 0; i < requestHeaders.length; i++)
                        redirectMethod.setRequestHeader(requestHeaders[i]);

                    referer = redirectUrl.startsWith("http") ? redirectUrl
                            : (hostConfiguration.getHostURL() + redirectUrl);

                    result = executeMethod(redirectMethod, context); // recurse
                } else {
                    Engine.logBeans.debug("(HttpConnector) Invalid redirect!");
                }
            } else {
                /*
                 * String lwContents = contents.toLowerCase(); int index, i,
                 * j, k, z; // Handles REDIRECTION through META Refresh if
                 * (((index = lwContents.indexOf("http-equiv='refresh'")) !=
                 * -1) || ((index =
                 * lwContents.indexOf("http-equiv=\"refresh\"")) != -1)) {
                 * if ((i = lwContents.indexOf("content=", index + 20)) !=
                 * -1) { char c = lwContents.charAt(i+8); if ((j =
                 * lwContents.indexOf("url=", i)) != -1) { if ((k =
                 * lwContents.indexOf(c, j + 1)) != -1) { newuri =
                 * lwContents.substring(j+4, k); redirectUrl =
                 * getAbsoluteUrl(method,newuri);
                 * Engine.logBeans.debug("(HttpConnector) Redirecting to : "
                 * + redirectUrl); redirectMethod = new
                 * GetMethod(redirectUrl);
                 * 
                 * // set headers for (z=0; z<requestHeaders.length; z++)
                 * redirectMethod.setRequestHeader(requestHeaders[z]);
                 * 
                 * referer = redirectUrl; result =
                 * executeMethod(redirectMethod, context); // recurse } } }
                 * } // Handles FRAMESET else if
                 * (lwContents.indexOf("frameset") != -1) {
                 * Engine.logBeans.debug
                 * ("(HttpConnector) Analyzing frameset...");
                 * StringTokenizer st = new StringTokenizer(lwContents);
                 * StringEx newcontents = new StringEx(lwContents); while
                 * (st.hasMoreTokens()) { String token = st.nextToken();
                 * String uri; if (token.startsWith("src=")) { if
                 * ((token.indexOf("\"") != -1) || (token.indexOf("'") !=
                 * -1)) { token = token.substring(5); uri =
                 * token.substring(0,token.length()-1); newuri =
                 * getAbsoluteUrl(method,uri);
                 * Engine.logBeans.trace("(HttpConnector) Replaced uri ("+
                 * uri +") with newuri("+ newuri +")");
                 * 
                 * newcontents.replaceAll(token,newuri); } } }
                 * Engine.logBeans
                 * .trace("(HttpConnector) New response content:\n"+
                 * newcontents); result = newcontents.toString().getBytes();
                 * }
                 */
            }
        }
        //Added by julienda - #3433 - 04/03/2013
        AbstractHttpTransaction abstractHttpTransaction = (AbstractHttpTransaction) context.transaction;

        if (abstractHttpTransaction.getHttpInfo()) {
            Document doc = context.outputDocument;

            //Remove the node HTTPInfo if we have a redirect
            NodeList nodeList = XMLUtils.findElements(context.outputDocument.getDocumentElement(),
                    abstractHttpTransaction.getHttpInfoTagName());
            if (nodeList != null) {
                XMLUtils.removeNodeListContent(nodeList);
            }

            //Parent Element
            httpInfoElement = doc.createElement(abstractHttpTransaction.getHttpInfoTagName());

            //Add requested URL
            Element urlElement = doc.createElement("url");
            urlElement.setTextContent(method.getURI().toString());
            httpInfoElement.appendChild(urlElement);

            //Add status code
            Element httpStatusElement = doc.createElement("status");

            httpStatusElement.setAttribute("code", Integer.toString(statuscode));
            httpStatusElement.setAttribute("text", method.getStatusText());
            httpInfoElement.appendChild(httpStatusElement);

            //We add headers informations

            List<Header> headers = Arrays.asList(requestHeaders);
            if (!headers.isEmpty()) {
                Element httpHeadersElement = doc.createElement("headers");

                for (int i = 0; i < headers.size(); i++) {
                    Element elt = doc.createElement("header");
                    elt.setAttribute("name", headers.get(i).getName());
                    elt.setAttribute("value", headers.get(i).getValue());
                    httpHeadersElement.appendChild(elt);
                }
                httpInfoElement.appendChild(httpHeadersElement);
            }

            // we add response header information
            if (responseHeaders.length != 0) {
                Element httpHeadersElement = doc.createElement("responseHeaders");

                for (int i = 0; i < responseHeaders.length; i++) {
                    Element elt = doc.createElement("header");
                    elt.setAttribute("name", responseHeaders[i].getName());
                    elt.setAttribute("value", responseHeaders[i].getValue());
                    httpHeadersElement.appendChild(elt);
                }
                httpInfoElement.appendChild(httpHeadersElement);
            }

            doc.getDocumentElement().appendChild(httpInfoElement);
        }
    } finally {
        method.releaseConnection();
    }

    return result;
}

From source file:nl.b3p.viewer.image.ImageCollector.java

/**
 * Load the image with a http-get//from  www. j a v a 2 s  .c  o  m
 * @param url The url to the image
 * @param user username
 * @param pass password
 * @return The image
 * @throws IOException
 * @throws Exception 
 */
protected BufferedImage loadImage(String url, String user, String pass) throws IOException, Exception {
    HttpMethod method = null;
    try {
        method = new GetMethod(url);

        int statusCode = client.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            throw new Exception("Error connecting to server. HTTP status code: " + statusCode);
        }

        String mime = method.getResponseHeader("Content-Type").getValue();
        return ImageTool.readImage(method, mime);
    } finally {
        if (method != null) {
            method.releaseConnection();
        }
    }
}

From source file:nl.nn.adapterframework.http.HttpSender.java

public String extractResult(HttpMethod httpmethod, ParameterResolutionContext prc, HttpServletResponse response,
        String fileName) throws SenderException, IOException {
    int statusCode = httpmethod.getStatusCode();
    boolean ok = false;
    if (StringUtils.isNotEmpty(getResultStatusCodeSessionKey())) {
        prc.getSession().put(getResultStatusCodeSessionKey(), Integer.toString(statusCode));
        ok = true;/*  w ww.ja v a 2  s . c  o m*/
    } else {
        if (statusCode == HttpServletResponse.SC_OK) {
            ok = true;
        } else {
            if (isIgnoreRedirects()) {
                if (statusCode == HttpServletResponse.SC_MOVED_PERMANENTLY
                        || statusCode == HttpServletResponse.SC_MOVED_TEMPORARILY
                        || statusCode == HttpServletResponse.SC_TEMPORARY_REDIRECT) {
                    ok = true;
                }
            }
        }
    }
    if (!ok) {
        throw new SenderException(getLogPrefix() + "httpstatus " + statusCode + ": "
                + httpmethod.getStatusText() + " body: " + getResponseBodyAsString(httpmethod));
    }
    if (response == null) {
        if (fileName == null) {
            if (isBase64()) {
                return getResponseBodyAsBase64(httpmethod);
            } else if (StringUtils.isNotEmpty(getStoreResultAsStreamInSessionKey())) {
                prc.getSession().put(getStoreResultAsStreamInSessionKey(),
                        new ReleaseConnectionAfterReadInputStream(httpmethod,
                                httpmethod.getResponseBodyAsStream()));
                return "";
            } else if (StringUtils.isNotEmpty(getStoreResultAsByteArrayInSessionKey())) {
                InputStream is = httpmethod.getResponseBodyAsStream();
                prc.getSession().put(getStoreResultAsByteArrayInSessionKey(), IOUtils.toByteArray(is));
                return "";
            } else if (isMultipartResponse()) {
                return handleMultipartResponse(httpmethod.getResponseHeader("Content-Type").getValue(),
                        httpmethod.getResponseBodyAsStream(), prc, httpmethod);
            } else {
                //return httpmethod.getResponseBodyAsString();
                return getResponseBodyAsString(httpmethod);
            }
        } else {
            InputStream is = httpmethod.getResponseBodyAsStream();
            File file = new File(fileName);
            Misc.streamToFile(is, file);
            return fileName;
        }
    } else {
        streamResponseBody(httpmethod, response);
        return "";
    }
}

From source file:nl.nn.adapterframework.http.HttpSender.java

public void streamResponseBody(HttpMethod httpmethod, HttpServletResponse response) throws IOException {
    streamResponseBody(httpmethod.getResponseBodyAsStream(),
            httpmethod.getResponseHeader("Content-Type").getValue(),
            httpmethod.getResponseHeader("Content-Disposition").getValue(), response, log, getLogPrefix());
}

From source file:org.alfresco.encryption.DefaultEncryptionUtils.java

/**
 * Get the MAC (Message Authentication Code) on the HTTP response
 * //  ww w. j a  v a  2  s .c  o  m
 * @param res HttpMethod
 * @return the MAC
 * @throws IOException
 */
protected byte[] getResponseMac(HttpMethod res) throws IOException {
    Header header = res.getResponseHeader(HEADER_MAC);
    if (header != null) {
        return Base64.decode(header.getValue());
    } else {
        return null;
    }
}

From source file:org.alfresco.encryption.DefaultEncryptionUtils.java

/**
 * Get the timestamp on the HTTP response
 * //w ww .  ja  va 2 s. c  o m
 * @param method HttpMethod
 * @return timestamp (ms, in UNIX time)
 * @throws IOException
 */
protected Long getResponseTimestamp(HttpMethod method) throws IOException {
    Header header = method.getResponseHeader(HEADER_TIMESTAMP);
    if (header != null) {
        return Long.valueOf(header.getValue());
    } else {
        return null;
    }
}

From source file:org.alfresco.encryption.DefaultEncryptionUtils.java

/**
 * Decode cipher algorithm parameters from the HTTP method
 * /*  ww  w .  j a  va  2 s.co m*/
 * @param method HttpMethod
 * @return decoded algorithm parameters
 * @throws IOException
 */
protected AlgorithmParameters decodeAlgorithmParameters(HttpMethod method) throws IOException {
    Header header = method.getResponseHeader(HEADER_ALGORITHM_PARAMETERS);
    if (header != null) {
        byte[] algorithmParams = Base64.decode(header.getValue());
        AlgorithmParameters algorithmParameters = encryptor.decodeAlgorithmParameters(algorithmParams);
        return algorithmParameters;
    } else {
        return null;
    }
}

From source file:org.alfresco.httpclient.AbstractHttpClient.java

/**
 * Send Request to the repository/*from  www. j  a  va  2  s .  c om*/
 */
protected HttpMethod sendRemoteRequest(Request req) throws AuthenticationException, IOException {
    if (logger.isDebugEnabled()) {
        logger.debug("");
        logger.debug("* Request: " + req.getMethod() + " " + req.getFullUri()
                + (req.getBody() == null ? "" : "\n" + new String(req.getBody(), "UTF-8")));
    }

    HttpMethod method = createMethod(req);

    // execute method
    executeMethod(method);

    // Deal with redirect
    if (isRedirect(method)) {
        Header locationHeader = method.getResponseHeader("location");
        if (locationHeader != null) {
            String redirectLocation = locationHeader.getValue();
            method.setURI(new URI(redirectLocation, true));
            httpClient.executeMethod(method);
        }
    }

    return method;
}