Examples with IMimeTypeListener org.pentaho.platform.api.engine.IMimeTypeListener used on opensource projects

Example 1 with IMimeTypeListener

use of org.pentaho.platform.api.engine.IMimeTypeListener in project pentaho-platform by pentaho.

the class GenericServlet method doGet.

@Override
protected void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException {
    if (showDeprecationMessage) {
        String deprecationMessage = "GenericServlet is deprecated and should no longer be handling requests. More detail below..." + "\n | You have issued a {0} request to {1} from referer {2} " + "\n | Please consider using one of the following REST services instead:" + "\n | * GET /api/repos/<pluginId>/<path> to read files from a plugin public dir" + "\n | * POST|GET /api/repos/<pathId>/generatedContent to create content resulting from execution of a " + "repo file" + "\n | * POST|GET /api/repos/<pluginId>/<contentGeneratorId> to execute a content generator by name (RPC " + "compatibility service)" + "\n \\ To turn this message off, set init-param 'showDeprecationMessage' to false in the GenericServlet " + "declaration" + "";
        String referer = StringUtils.defaultString(request.getHeader("Referer"), "");
        logger.warn(MessageFormat.format(deprecationMessage, request.getMethod(), request.getRequestURL(), referer));
    }
    PentahoSystem.systemEntryPoint();
    IOutputHandler outputHandler = null;
    // BISERVER-2767 - grabbing the current class loader so we can replace it at the end
    ClassLoader origContextClassloader = Thread.currentThread().getContextClassLoader();
    try {
        String servletPath = request.getServletPath();
        String pathInfo = request.getPathInfo();
        // $NON-NLS-1$
        String contentGeneratorId = "";
        // $NON-NLS-1$
        String urlPath = "";
        SimpleParameterProvider pathParams = new SimpleParameterProvider();
        if (StringUtils.isEmpty(pathInfo)) {
            logger.error(// $NON-NLS-1$
            Messages.getInstance().getErrorString("GenericServlet.ERROR_0005_NO_RESOURCE_SPECIFIED"));
            response.sendError(403);
            return;
        }
        String path = pathInfo.substring(1);
        int slashPos = path.indexOf('/');
        if (slashPos != -1) {
            // $NON-NLS-1$
            pathParams.setParameter("path", pathInfo.substring(slashPos + 1));
            contentGeneratorId = path.substring(0, slashPos);
        } else {
            contentGeneratorId = path;
        }
        // $NON-NLS-1$
        urlPath = "content/" + contentGeneratorId;
        IParameterProvider requestParameters = new HttpRequestParameterProvider(request);
        // $NON-NLS-1$
        pathParams.setParameter("query", request.getQueryString());
        // $NON-NLS-1$
        pathParams.setParameter("contentType", request.getContentType());
        InputStream in = request.getInputStream();
        // $NON-NLS-1$
        pathParams.setParameter("inputstream", in);
        // $NON-NLS-1$
        pathParams.setParameter("httpresponse", response);
        // $NON-NLS-1$
        pathParams.setParameter("httprequest", request);
        // $NON-NLS-1$
        pathParams.setParameter("remoteaddr", request.getRemoteAddr());
        if (PentahoSystem.debug) {
            // $NON-NLS-1$
            debug("GenericServlet contentGeneratorId=" + contentGeneratorId);
            // $NON-NLS-1$
            debug("GenericServlet urlPath=" + urlPath);
        }
        IPentahoSession session = getPentahoSession(request);
        IPluginManager pluginManager = PentahoSystem.get(IPluginManager.class, session);
        if (pluginManager == null) {
            OutputStream out = response.getOutputStream();
            String message = Messages.getInstance().getErrorString("GenericServlet.ERROR_0001_BAD_OBJECT", // $NON-NLS-1$
            IPluginManager.class.getSimpleName());
            error(message);
            out.write(message.getBytes());
            return;
        }
        // TODO make doing the HTTP headers configurable per content generator
        SimpleParameterProvider headerParams = new SimpleParameterProvider();
        Enumeration names = request.getHeaderNames();
        while (names.hasMoreElements()) {
            String name = (String) names.nextElement();
            String value = request.getHeader(name);
            headerParams.setParameter(name, value);
        }
        String pluginId = pluginManager.getServicePlugin(pathInfo);
        if (pluginId != null && pluginManager.isStaticResource(pathInfo)) {
            boolean cacheOn = "true".equals(pluginManager.getPluginSetting(pluginId, "settings/cache", // $NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
            "false"));
            // $NON-NLS-1$
            String maxAge = (String) pluginManager.getPluginSetting(pluginId, "settings/max-age", null);
            allowBrowserCache(maxAge, pathParams);
            String mimeType = MimeHelper.getMimeTypeFromFileName(pathInfo);
            if (mimeType != null) {
                response.setContentType(mimeType);
            }
            OutputStream out = response.getOutputStream();
            // do we have this resource cached?
            ByteArrayOutputStream byteStream = null;
            if (cacheOn) {
                byteStream = (ByteArrayOutputStream) cache.getFromRegionCache(CACHE_FILE, pathInfo);
            }
            if (byteStream != null) {
                IOUtils.write(byteStream.toByteArray(), out);
                return;
            }
            InputStream resourceStream = pluginManager.getStaticResource(pathInfo);
            if (resourceStream != null) {
                try {
                    byteStream = new ByteArrayOutputStream();
                    IOUtils.copy(resourceStream, byteStream);
                    // if cache is enabled, drop file in cache
                    if (cacheOn) {
                        cache.putInRegionCache(CACHE_FILE, pathInfo, byteStream);
                    }
                    // write it out
                    IOUtils.write(byteStream.toByteArray(), out);
                    return;
                } finally {
                    IOUtils.closeQuietly(resourceStream);
                }
            }
            logger.error(Messages.getInstance().getErrorString("GenericServlet.ERROR_0004_RESOURCE_NOT_FOUND", pluginId, // $NON-NLS-1$
            pathInfo));
            response.sendError(404);
            return;
        }
        // content generators defined in plugin.xml are registered with 2 aliases, one is the id, the other is type
        // so, we can still retrieve a content generator by id, even though this is not the correct way to find
        // it. the correct way is to look up a content generator by pluginManager.getContentGenerator(type,
        // perspectiveName)
        IContentGenerator contentGenerator = (IContentGenerator) pluginManager.getBean(contentGeneratorId);
        if (contentGenerator == null) {
            OutputStream out = response.getOutputStream();
            String message = Messages.getInstance().getErrorString("GenericServlet.ERROR_0002_BAD_GENERATOR", // $NON-NLS-1$
            Encode.forHtml(contentGeneratorId));
            error(message);
            out.write(message.getBytes());
            return;
        }
        // set the classloader of the current thread to the class loader of
        // the plugin so that it can load its libraries
        // Note: we cannot ask the contentGenerator class for it's classloader, since the cg may
        // actually be a proxy object loaded by main the WebAppClassloader
        Thread.currentThread().setContextClassLoader(pluginManager.getClassLoader(pluginId));
        // String proxyClass = PentahoSystem.getSystemSetting( module+"/plugin.xml" ,
        // "plugin/content-generators/"+contentGeneratorId,
        // "content generator not found");
        // see if this is an upload
        // File uploading is a service provided by UploadFileServlet where appropriate protections
        // are in place to prevent uploads that are too large.
        // boolean isMultipart = ServletFileUpload.isMultipartContent(request);
        // if (isMultipart) {
        // requestParameters = new SimpleParameterProvider();
        // // Create a factory for disk-based file items
        // FileItemFactory factory = new DiskFileItemFactory();
        // 
        // // Create a new file upload handler
        // ServletFileUpload upload = new ServletFileUpload(factory);
        // 
        // // Parse the request
        // List<?> /* FileItem */items = upload.parseRequest(request);
        // Iterator<?> iter = items.iterator();
        // while (iter.hasNext()) {
        // FileItem item = (FileItem) iter.next();
        // 
        // if (item.isFormField()) {
        // ((SimpleParameterProvider) requestParameters).setParameter(item.getFieldName(), item.getString());
        // } else {
        // String name = item.getName();
        // ((SimpleParameterProvider) requestParameters).setParameter(name, item.getInputStream());
        // }
        // }
        // }
        response.setCharacterEncoding(LocaleHelper.getSystemEncoding());
        IMimeTypeListener listener = new HttpMimeTypeListener(request, response);
        outputHandler = getOutputHandler(response, true);
        outputHandler.setMimeTypeListener(listener);
        IParameterProvider sessionParameters = new HttpSessionParameterProvider(session);
        IPentahoRequestContext requestContext = PentahoRequestContextHolder.getRequestContext();
        Map<String, IParameterProvider> parameterProviders = new HashMap<String, IParameterProvider>();
        parameterProviders.put(IParameterProvider.SCOPE_REQUEST, requestParameters);
        parameterProviders.put(IParameterProvider.SCOPE_SESSION, sessionParameters);
        // $NON-NLS-1$
        parameterProviders.put("headers", headerParams);
        // $NON-NLS-1$
        parameterProviders.put("path", pathParams);
        SimpleUrlFactory urlFactory = // $NON-NLS-1$ //$NON-NLS-2$
        new SimpleUrlFactory(requestContext.getContextPath() + urlPath + "?");
        List<String> messages = new ArrayList<String>();
        contentGenerator.setOutputHandler(outputHandler);
        contentGenerator.setMessagesList(messages);
        contentGenerator.setParameterProviders(parameterProviders);
        contentGenerator.setSession(session);
        contentGenerator.setUrlFactory(urlFactory);
        // String contentType = request.getContentType();
        // contentGenerator.setInput(input);
        contentGenerator.createContent();
        if (PentahoSystem.debug) {
            // $NON-NLS-1$
            debug("Generic Servlet content generate successfully");
        }
    } catch (Exception e) {
        StringBuffer buffer = new StringBuffer();
        error(Messages.getInstance().getErrorString("GenericServlet.ERROR_0002_BAD_GENERATOR", request.getQueryString()), // $NON-NLS-1$
        e);
        List errorList = new ArrayList();
        String msg = e.getMessage();
        errorList.add(msg);
        // $NON-NLS-1$
        MessageFormatUtils.formatFailureMessage("text/html", null, buffer, errorList);
        response.getOutputStream().write(buffer.toString().getBytes(LocaleHelper.getSystemEncoding()));
    } finally {
        // reset the classloader of the current thread
        Thread.currentThread().setContextClassLoader(origContextClassloader);
        PentahoSystem.systemExitPoint();
    }
}

Example 2 with IMimeTypeListener

use of org.pentaho.platform.api.engine.IMimeTypeListener in project pentaho-platform by pentaho.

the class SolutionEngineInteractivityService method doGet.

@Override
protected void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException {
    PentahoSystem.systemEntryPoint();
    try {
        IPentahoSession userSession = getPentahoSession(request);
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        // $NON-NLS-1$
        String solutionName = request.getParameter("solution");
        // $NON-NLS-1$
        String actionPath = request.getParameter("path");
        // $NON-NLS-1$
        String actionName = request.getParameter("action");
        IActionSequence actionSequence = new ActionSequenceJCRHelper().getActionSequence(ActionInfo.buildSolutionPath(solutionName, actionPath, actionName), PentahoSystem.loggingLevel, RepositoryFilePermission.READ);
        String fileName = null;
        if (actionSequence != null) {
            String title = actionSequence.getTitle();
            if ((title != null) && (title.length() > 0)) {
                fileName = title;
            } else {
                String sequenceName = actionSequence.getSequenceName();
                if ((sequenceName != null) && (sequenceName.length() > 0)) {
                    fileName = sequenceName;
                } else {
                    List actionDefinitionsList = actionSequence.getActionDefinitionsAndSequences();
                    int i = 0;
                    boolean done = false;
                    while ((actionDefinitionsList.size() > i) && !done) {
                        IActionDefinition actionDefinition = (IActionDefinition) actionDefinitionsList.get(i);
                        String componentName = actionDefinition.getComponentName();
                        if ((componentName != null) && (componentName.length() > 0)) {
                            fileName = componentName;
                            done = true;
                        } else {
                            i++;
                        }
                    }
                }
            }
        }
        IPentahoRequestContext requestContext = PentahoRequestContextHolder.getRequestContext();
        HttpOutputHandler outputHandler = createOutputHandler(response, outputStream);
        outputHandler.setSession(userSession);
        IMimeTypeListener listener = new HttpMimeTypeListener(request, response);
        listener.setName(fileName);
        outputHandler.setMimeTypeListener(listener);
        SimpleUrlFactory urlFactory = new SimpleUrlFactory(requestContext.getContextPath() + // $NON-NLS-1$
        "SolutionEngineInteractivityService?");
        IParameterProvider requestParameters = new HttpRequestParameterProvider(request);
        setupOutputHandler(outputHandler, requestParameters);
        HttpServletRequestHandler requestHandler = getRequestHandler(request, response, userSession, requestParameters, outputStream, outputHandler, urlFactory);
        handleActionRequest(request, response, outputHandler, requestHandler, requestParameters, outputStream, null);
    } finally {
        PentahoSystem.systemExitPoint();
    }
}

Example 3 with IMimeTypeListener

use of org.pentaho.platform.api.engine.IMimeTypeListener in project pentaho-platform by pentaho.

the class XactionUtil method createOutputFileName.

@SuppressWarnings("rawtypes")
public static void createOutputFileName(RepositoryFile file, IOutputHandler outputHandler) {
    IPentahoSession userSession = PentahoSessionHolder.getSession();
    ActionSequenceJCRHelper actionHelper = new ActionSequenceJCRHelper(userSession);
    IActionSequence actionSequence = actionHelper.getActionSequence(file.getPath(), PentahoSystem.loggingLevel, RepositoryFilePermission.READ);
    // $NON-NLS-1$
    String fileName = "content";
    if (actionSequence != null) {
        String title = actionSequence.getTitle();
        if ((title != null) && (title.length() > 0)) {
            fileName = title;
        } else {
            String sequenceName = actionSequence.getSequenceName();
            if ((sequenceName != null) && (sequenceName.length() > 0)) {
                fileName = sequenceName;
            } else {
                List actionDefinitionsList = actionSequence.getActionDefinitionsAndSequences();
                int i = 0;
                boolean done = false;
                while ((actionDefinitionsList.size() > i) && (!done)) {
                    IActionDefinition actionDefinition = (IActionDefinition) actionDefinitionsList.get(i);
                    String componentName = actionDefinition.getComponentName();
                    if ((componentName != null) && (componentName.length() > 0)) {
                        fileName = componentName;
                        done = true;
                    } else {
                        ++i;
                    }
                }
            }
        }
    }
    IMimeTypeListener mimeTypeListener = outputHandler.getMimeTypeListener();
    if (mimeTypeListener != null) {
        mimeTypeListener.setName(fileName);
    }
}

Example 4 with IMimeTypeListener

use of org.pentaho.platform.api.engine.IMimeTypeListener in project pentaho-platform by pentaho.

the class ViewAction method doGet.

@Override
protected void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException {
    PentahoSystem.systemEntryPoint();
    try {
        IPentahoSession userSession = getPentahoSession(request);
        if (!doBackgroundExecution(request, response, userSession)) {
            OutputStream outputStream = getOutputStream(response, doMessages(request));
            ActionSequenceJCRHelper actionHelper = new ActionSequenceJCRHelper(userSession);
            // $NON-NLS-1$
            String actionPath = request.getParameter("path");
            IActionSequence actionSequence = actionHelper.getActionSequence(actionPath, PentahoSystem.loggingLevel, RepositoryFilePermission.READ);
            String fileName = null;
            if (actionSequence != null) {
                String title = actionSequence.getTitle();
                if ((title != null) && (title.length() > 0)) {
                    fileName = title;
                } else {
                    String sequenceName = actionSequence.getSequenceName();
                    if ((sequenceName != null) && (sequenceName.length() > 0)) {
                        fileName = sequenceName;
                    } else {
                        List actionDefinitionsList = actionSequence.getActionDefinitionsAndSequences();
                        int i = 0;
                        boolean done = false;
                        while ((actionDefinitionsList.size() > i) && !done) {
                            IActionDefinition actionDefinition = (IActionDefinition) actionDefinitionsList.get(i);
                            String componentName = actionDefinition.getComponentName();
                            if ((componentName != null) && (componentName.length() > 0)) {
                                fileName = componentName;
                                done = true;
                            } else {
                                i++;
                            }
                        }
                    }
                }
            }
            IPentahoRequestContext requestContext = PentahoRequestContextHolder.getRequestContext();
            HttpOutputHandler outputHandler = createOutputHandler(response, outputStream);
            outputHandler.setSession(userSession);
            IMimeTypeListener listener = new HttpMimeTypeListener(request, response, fileName);
            outputHandler.setMimeTypeListener(listener);
            // $NON-NLS-1$
            SimpleUrlFactory urlFactory = new SimpleUrlFactory(requestContext.getContextPath() + "ViewAction?");
            IParameterProvider requestParameters = new HttpRequestParameterProvider(request);
            HttpServletRequestHandler requestHandler = getRequestHandler(request, response, userSession, requestParameters, outputStream, outputHandler, urlFactory);
            handleActionRequest(request, response, outputHandler, requestHandler, outputStream, null);
        }
    } finally {
        PentahoSystem.systemExitPoint();
    }
}

Example 5 with IMimeTypeListener

use of org.pentaho.platform.api.engine.IMimeTypeListener in project pentaho-platform by pentaho.

the class ContentGeneratorUtil method getContentAsString.

/**
 * Convenience method for executing a content generator and getting back it's output as a string. Useful for
 * testing.
 *
 * @param cg
 *          the content generator to execute
 * @return the output of the content generator
 * @throws Exception
 *           if there was a problem creating the content
 */
public static String getContentAsString(IContentGenerator cg) throws Exception {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    IOutputHandler outputHandler = new SimpleOutputHandler(out, false);
    Map<String, IParameterProvider> parameterProviders = new HashMap<String, IParameterProvider>();
    SimpleParameterProvider requestParams = new SimpleParameterProvider();
    parameterProviders.put(IParameterProvider.SCOPE_REQUEST, requestParams);
    // $NON-NLS-1$
    SimpleUrlFactory urlFactory = new SimpleUrlFactory("?");
    List<String> messages = new ArrayList<String>();
    cg.setOutputHandler(outputHandler);
    IMimeTypeListener mimeTypeListener = new IMimeTypeListener() {

        @SuppressWarnings("unused")
        public String mimeType = null;

        @SuppressWarnings("unused")
        public String name = null;

        public void setMimeType(String mimeType) {
            this.mimeType = mimeType;
        }

        public void setName(String name) {
            this.name = name;
        }
    };
    outputHandler.setMimeTypeListener(mimeTypeListener);
    cg.setMessagesList(messages);
    cg.setParameterProviders(parameterProviders);
    cg.setSession(PentahoSessionHolder.getSession());
    cg.setUrlFactory(urlFactory);
    cg.createContent();
    String content = new String(out.toByteArray());
    return content;
}