Examples with FileMeta digilib.meta.FileMeta used on opensource projects

Example 1 with FileMeta

use of digilib.meta.FileMeta 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);
    }
}