Examples with DocuImage digilib.image.DocuImage used on opensource projects

Example 1 with DocuImage

use of digilib.image.DocuImage in project digilib by robcast.

the class DigilibServletConfiguration method configure.

/*
     * (non-Javadoc)
     * 
     * @see digilib.conf.DigilibConfiguration#configure()
     */
@SuppressWarnings("unchecked")
public void configure(ServletContext context) {
    DigilibServletConfiguration config = this;
    super.configure();
    /*
         * configure factories
         */
    try {
        // initialise MetaFactory
        Class<FileMeta> fileMetaClass = (Class<FileMeta>) Class.forName(config.getAsString("filemeta-class"));
        config.setValue("servlet.filemeta.class", fileMetaClass);
        MetaFactory.setFileMetaClass(fileMetaClass);
        Class<DirMeta> dirMetaClass = (Class<DirMeta>) Class.forName(config.getAsString("dirmeta-class"));
        config.setValue("servlet.dirmeta.class", dirMetaClass);
        MetaFactory.setDirMetaClass(dirMetaClass);
    } catch (ClassNotFoundException e) {
        logger.error("Error setting Metadata classes!");
    }
    if (config.getAsBoolean("use-authorization")) {
        try {
            // initialise AuthnOpsFactory
            Class<AuthnOps> authnOpsClass = (Class<AuthnOps>) Class.forName(config.getAsString("authnops-class"));
            config.setValue("servlet.authnops.class", authnOpsClass);
            AuthnOpsFactory.setAuthnOpsClass(authnOpsClass);
        } catch (ClassNotFoundException e) {
            logger.error("Error setting AuthnOps class!");
        }
        try {
            // initialise AuthzOpsFactory
            Class<AuthzOps> authzOpsClass = (Class<AuthzOps>) Class.forName(config.getAsString("authzops-class"));
            config.setValue("servlet.authzops.class", authzOpsClass);
            AuthzOpsFactory.setAuthzOpsClass(authzOpsClass);
        } catch (ClassNotFoundException e) {
            logger.error("Error setting AuthzOps class!");
        }
    }
    try {
        // initialise DocuDirectoryFactory
        Class<DocuDirectory> docuDirectoryClass = (Class<DocuDirectory>) Class.forName(config.getAsString("docudirectory-class"));
        config.setValue("servlet.docudirectory.class", docuDirectoryClass);
        DocuDirectoryFactory.setDocuDirectoryClass(docuDirectoryClass);
        DocuDirectoryFactory.setDigilibConfig(this);
    } catch (ClassNotFoundException e) {
        logger.error("Error setting DocuDirectory class!");
    }
    /*
         * configure singletons
         */
    // set up the logger
    File logConf = ServletOps.getConfigFile((File) config.getValue("log-config-file"), context);
    if (logConf != null && logConf.canRead()) {
        DOMConfigurator.configure(logConf.getAbsolutePath());
        config.setValue("log-config-file", logConf);
    }
    // say hello in the log file
    logger.info("***** Digital Image Library Configuration (version " + getVersion() + ") *****");
    try {
        // directory cache
        DocuDirCache dirCache;
        if (config.getAsBoolean("use-mapping")) {
            // with mapping file
            File mapConf = ServletOps.getConfigFile((File) config.getValue("mapping-file"), context);
            dirCache = new AliasingDocuDirCache(FileClass.IMAGE, mapConf, config);
            config.setValue("mapping-file", mapConf);
        } else {
            // without mapping
            dirCache = new DocuDirCache(FileClass.IMAGE, this);
        }
        config.setValue(DIR_CACHE_KEY, dirCache);
        // useAuthorization
        if (config.getAsBoolean("use-authorization")) {
            // set auth config file
            File authConf = ServletOps.getConfigFile((File) config.getValue("auth-file"), context);
            config.setValue("auth-file", authConf);
            // initialise AuthnOps
            AuthnOps authnOps = AuthnOpsFactory.getAuthnOpsInstance();
            authnOps.init(this);
            config.setValue(AUTHN_OP_KEY, authnOps);
            // initialise AuthzOps (requires AuthnOps)
            AuthzOps authzOps = AuthzOpsFactory.getAuthzOpsInstance();
            authzOps.init(this);
            config.setValue(AUTHZ_OP_KEY, authzOps);
        }
        // digilib worker threads
        int nt = config.getAsInt("worker-threads");
        int mt = config.getAsInt("max-waiting-threads");
        DigilibJobCenter<DocuImage> imageExecutor = new DigilibJobCenter<DocuImage>(nt, mt, false, IMAGEEXECUTOR_KEY);
        config.setValue(IMAGEEXECUTOR_KEY, imageExecutor);
        /*
             * set as the servlets main config
             */
        setContextConfig(context);
    } catch (Exception e) {
        logger.error("Error configuring digilib servlet:", e);
    }
}

Example 2 with DocuImage

use of digilib.image.DocuImage in project digilib by robcast.

the class PDFStreamWorker method addImage.

/**
 * adds an image to the document.
 *
 * @param doc
 * @param iji
 * @return
 * @throws InterruptedException
 * @throws ExecutionException
 * @throws IOException
 * @throws DocumentException
 */
public Document addImage(Document doc, ImageJobDescription iji) throws InterruptedException, ExecutionException, IOException, DocumentException {
    // create image worker
    ImageWorker job = new ImageWorker(dlConfig, iji);
    // submit
    Future<DocuImage> jobTicket = imageJobCenter.submit(job);
    // wait for result
    DocuImage img = jobTicket.get();
    // scale the image
    Image pdfimg = Image.getInstance(img.getAwtImage(), null);
    float docW = PageSize.A4.getWidth() - 2 * PageSize.A4.getBorder();
    float docH = PageSize.A4.getHeight() - 2 * PageSize.A4.getBorder();
    // fit the image to the page
    pdfimg.scaleToFit(docW, docH);
    // add to PDF
    doc.add(pdfimg);
    return doc;
}

Example 3 with DocuImage

use of digilib.image.DocuImage in project digilib by robcast.

the class PDFCache method init.

@SuppressWarnings("unchecked")
public void init(ServletConfig config) throws ServletException {
    super.init(config);
    System.out.println("***** Digital Image Library Image PDF-Cache Servlet (version " + version + ") *****");
    // say hello in the log file
    logger.info("***** Digital Image Library Image PDF-Cache Servlet (version " + version + ") *****");
    ServletContext context = getServletContext();
    dlConfig = PDFServletConfiguration.getCurrentConfig(context);
    if (dlConfig == null) {
        // no Configuration
        throw new ServletException("No Configuration!");
    }
    workDir = dlConfig.getAsFile(PDFServletConfiguration.PDF_WORKDIR_KEY);
    cacheDir = dlConfig.getAsFile(PDFServletConfiguration.PDF_CACHEDIR_KEY);
    if (!workDir.isDirectory()) {
        throw new ServletException("Configuration error: problem with pdf-temp-dir=" + workDir);
    }
    if (!cacheDir.isDirectory()) {
        throw new ServletException("Configuration error: problem with pdf-cache-dir=" + cacheDir);
    }
    pdfJobCenter = (DigilibJobCenter<File>) dlConfig.getValue(PDFServletConfiguration.PDF_EXECUTOR_KEY);
    pdfImageJobCenter = (DigilibJobCenter<DocuImage>) dlConfig.getValue(PDFServletConfiguration.PDF_IMAGEEXECUTOR_KEY);
    // register this instance globally
    context.setAttribute(instanceKey, this);
}

Example 4 with DocuImage

use of digilib.image.DocuImage in project digilib by robcast.

the class Scaler method init.

/**
 * Initialisation on first run.
 *
 * @throws ServletException
 *
 * @see javax.servlet.Servlet#init(javax.servlet.ServletConfig)
 */
@SuppressWarnings("unchecked")
public void init(ServletConfig config) throws ServletException {
    super.init(config);
    System.out.println("***** Digital Image Library Image Scaler Servlet (version " + version + ") *****");
    // say hello in the log file
    logger.info("***** Digital Image Library Image Scaler Servlet (version " + version + ") *****");
    // get our ServletContext
    ServletContext context = config.getServletContext();
    // see if there is a Configuration instance
    dlConfig = DigilibServlet3Configuration.getCurrentConfig(context);
    if (dlConfig == null) {
        // no Configuration
        throw new ServletException("No Configuration!");
    }
    // log DocuImage version
    logger.info("Scaler uses " + dlConfig.getValue("servlet.docuimage.version"));
    // set our AuthOps
    useAuthorization = dlConfig.getAsBoolean("use-authorization");
    authzOp = (AuthzOps) dlConfig.getValue(DigilibServletConfiguration.AUTHZ_OP_KEY);
    // DocuDirCache instance
    dirCache = (DocuDirCache) dlConfig.getValue(DigilibServletConfiguration.DIR_CACHE_KEY);
    // Executor
    imageJobCenter = (DigilibJobCenter<DocuImage>) dlConfig.getValue("servlet.worker.imageexecutor");
    // configure ServletOps
    ServletOps.setDlConfig(dlConfig);
    denyImgFile = ServletOps.getFile(dlConfig.getAsFile("denied-image"), context);
    errorImgFile = ServletOps.getFile(dlConfig.getAsFile("error-image"), context);
    notfoundImgFile = ServletOps.getFile(dlConfig.getAsFile("notfound-image"), context);
    sendFileAllowed = dlConfig.getAsBoolean("sendfile-allowed");
    try {
        defaultErrMsgType = ErrMsg.valueOf(dlConfig.getAsString("default-errmsg-type"));
    } catch (Exception e) {
    // nothing to do
    }
}

Example 5 with DocuImage

use of digilib.image.DocuImage in project digilib by robcast.

the class DigilibServletConfiguration method contextDestroyed.

/**
 * Clean up local resources
 */
public void contextDestroyed(ServletContextEvent cte) {
    logger.info("DigilibServletConfiguration shutting down.");
    // get current config from servlet context
    ServletContext context = cte.getServletContext();
    DigilibServletConfiguration config = getContextConfig(context);
    @SuppressWarnings("unchecked") DigilibJobCenter<DocuImage> imageExecutor = (DigilibJobCenter<DocuImage>) config.getValue(IMAGEEXECUTOR_KEY);
    if (imageExecutor != null) {
        // shut down image thread pool
        List<Runnable> rj = imageExecutor.shutdownNow();
        int nrj = rj.size();
        if (nrj > 0) {
            logger.error("Still running threads when shutting down image job queue: " + nrj);
        }
    }
}