Examples with DocuDirectory digilib.io.DocuDirectory used on opensource projects

Example 1 with DocuDirectory

use of digilib.io.DocuDirectory 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 DocuDirectory

use of digilib.io.DocuDirectory in project digilib by robcast.

the class ScalerNoThread method getLastModified.

/**
 * Returns modification time relevant to the request for caching.
 *
 * @see javax.servlet.http.HttpServlet#getLastModified(javax.servlet.http.HttpServletRequest)
 */
public long getLastModified(HttpServletRequest request) {
    accountlog.debug("GetLastModified from " + request.getRemoteAddr() + " for " + request.getQueryString());
    long mtime = -1;
    // create new request
    DigilibServletRequest dlReq = new DigilibServletRequest(request, dlConfig);
    DocuDirectory dd = dirCache.getDirectory(dlReq.getFilePath());
    if (dd != null) {
        mtime = dd.getDirMTime() / 1000 * 1000;
    }
    logger.debug("  returns " + mtime);
    return mtime;
}

Example 3 with DocuDirectory

use of digilib.io.DocuDirectory in project digilib by robcast.

the class IndexMetaDirMeta method readParentMeta.

/**
 * Read metadata from all known parent directories.
 * @param dir
 */
public void readParentMeta(DocuDirectory dir) {
    // check the parent directories for additional file meta
    Directory pd = dir.getParent();
    String path = dir.getDir().getName();
    while (pd != null) {
        DocuDirectory dd = (DocuDirectory) pd;
        dd.checkMeta();
        IndexMetaDirMeta dm = (IndexMetaDirMeta) dd.getMeta();
        if (dm.hasUnresolvedFileMeta()) {
            readFileMeta(dir, dm.getUnresolvedFileMeta(), path);
        }
        // prepend parent dir path
        path = pd.getDir().getName() + "/" + path;
        // become next parent
        pd = pd.getParent();
    }
}

Example 4 with DocuDirectory

use of digilib.io.DocuDirectory in project digilib by robcast.

the class IndexMetaFileMeta method checkMeta.

@Override
public void checkMeta(DocuDirent file) {
    if (metaChecked)
        return;
    if (fileMeta == null) {
        // try to read metadata file
        readMeta(file);
        if (fileMeta == null) {
            // try directory metadata
            DocuDirectory dd = (DocuDirectory) file.getParent();
            // running checkmeta also distributes meta to files
            dd.checkMeta();
            if (fileMeta == null) {
                if (dd.getMeta().getDirMeta() != null) {
                    fileMeta = dd.getMeta().getDirMeta();
                } else {
                    // try parent directory metadata (just one level up)
                    DocuDirectory pdd = (DocuDirectory) dd.getParent();
                    if (pdd != null) {
                        pdd.checkMeta();
                        if (fileMeta == null) {
                            fileMeta = pdd.getMeta().getDirMeta();
                        }
                    }
                }
            }
        }
    }
    metaChecked = true;
}

Example 5 with DocuDirectory

use of digilib.io.DocuDirectory in project digilib by robcast.

the class DocumentBean method getNumPages.

/**
 * get the number of image pages/files in the directory
 */
public int getNumPages(DigilibServletRequest request) throws Exception {
    logger.debug("getNumPages");
    DocuDirectory dd = (dirCache != null) ? dirCache.getDirectory(request.getFilePath()) : null;
    if (dd != null) {
        return dd.size();
    }
    return 0;
}