Examples with EmptyDirContext org.apache.naming.resources.EmptyDirContext used on opensource projects

Example 1 with EmptyDirContext

use of org.apache.naming.resources.EmptyDirContext in project tomcat70 by apache.

the class StandardContext method startInternal.

/**
 * Start this component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected synchronized void startInternal() throws LifecycleException {
    if (log.isDebugEnabled())
        log.debug("Starting " + getBaseName());
    // Send j2ee.state.starting notification
    if (this.getObjectName() != null) {
        Notification notification = new Notification("j2ee.state.starting", this.getObjectName(), sequenceNumber.getAndIncrement());
        broadcaster.sendNotification(notification);
    }
    setConfigured(false);
    boolean ok = true;
    // ensure the NamingResources follows the correct lifecycle
    if (namingResources != null) {
        namingResources.start();
    }
    // Add missing components as necessary
    if (webappResources == null) {
        // (1) Required by Loader
        if (log.isDebugEnabled())
            log.debug("Configuring default Resources");
        try {
            String docBase = getDocBase();
            if (docBase == null) {
                setResources(new EmptyDirContext());
            } else if (docBase.endsWith(".war") && !(new File(getBasePath())).isDirectory()) {
                setResources(new WARDirContext());
            } else {
                setResources(new FileDirContext());
            }
        } catch (IllegalArgumentException e) {
            log.error(sm.getString("standardContext.resourcesInit"), e);
            ok = false;
        }
    }
    if (ok) {
        if (!resourcesStart()) {
            throw new LifecycleException("Error in resourceStart()");
        }
    }
    if (getLoader() == null) {
        WebappLoader webappLoader = new WebappLoader(getParentClassLoader());
        webappLoader.setDelegate(getDelegate());
        setLoader(webappLoader);
    }
    // Initialize character set mapper
    getCharsetMapper();
    // Post work directory
    postWorkDirectory();
    // Validate required extensions
    boolean dependencyCheck = true;
    try {
        dependencyCheck = ExtensionValidator.validateApplication(getResources(), this);
    } catch (IOException ioe) {
        log.error(sm.getString("standardContext.extensionValidationError"), ioe);
        dependencyCheck = false;
    }
    if (!dependencyCheck) {
        // do not make application available if dependency check fails
        ok = false;
    }
    // Reading the "catalina.useNaming" environment variable
    String useNamingProperty = System.getProperty("catalina.useNaming");
    if ((useNamingProperty != null) && (useNamingProperty.equals("false"))) {
        useNaming = false;
    }
    if (ok && isUseNaming()) {
        if (getNamingContextListener() == null) {
            NamingContextListener ncl = new NamingContextListener();
            ncl.setName(getNamingContextName());
            ncl.setExceptionOnFailedWrite(getJndiExceptionOnFailedWrite());
            addLifecycleListener(ncl);
            setNamingContextListener(ncl);
        }
    }
    // Standard container startup
    if (log.isDebugEnabled())
        log.debug("Processing standard container startup");
    // Binding thread
    ClassLoader oldCCL = bindThread();
    try {
        if (ok) {
            // Start our subordinate components, if any
            Loader loader = getLoaderInternal();
            if ((loader != null) && (loader instanceof Lifecycle))
                ((Lifecycle) loader).start();
            // since the loader just started, the webapp classloader is now
            // created.
            // By calling unbindThread and bindThread in a row, we setup the
            // current Thread CCL to be the webapp classloader
            unbindThread(oldCCL);
            oldCCL = bindThread();
            // Initialize logger again. Other components might have used it
            // too early, so it should be reset.
            logger = null;
            getLogger();
            Cluster cluster = getClusterInternal();
            if ((cluster != null) && (cluster instanceof Lifecycle))
                ((Lifecycle) cluster).start();
            Realm realm = getRealmInternal();
            if ((realm != null) && (realm instanceof Lifecycle))
                ((Lifecycle) realm).start();
            DirContext resources = getResourcesInternal();
            if ((resources != null) && (resources instanceof Lifecycle))
                ((Lifecycle) resources).start();
            // Notify our interested LifecycleListeners
            fireLifecycleEvent(Lifecycle.CONFIGURE_START_EVENT, null);
            // Start our child containers, if not already started
            for (Container child : findChildren()) {
                if (!child.getState().isAvailable()) {
                    child.start();
                }
            }
            // if any
            if (pipeline instanceof Lifecycle) {
                ((Lifecycle) pipeline).start();
            }
            // Acquire clustered manager
            Manager contextManager = null;
            Manager manager = getManagerInternal();
            if (manager == null) {
                if (log.isDebugEnabled()) {
                    log.debug(sm.getString("standardContext.cluster.noManager", Boolean.valueOf((getCluster() != null)), Boolean.valueOf(distributable)));
                }
                if ((getCluster() != null) && distributable) {
                    try {
                        contextManager = getCluster().createManager(getName());
                    } catch (Exception ex) {
                        log.error("standardContext.clusterFail", ex);
                        ok = false;
                    }
                } else {
                    contextManager = new StandardManager();
                }
                manager = contextManager;
            }
            // Configure default manager if none was specified
            if (contextManager != null) {
                if (log.isDebugEnabled()) {
                    log.debug(sm.getString("standardContext.manager", contextManager.getClass().getName()));
                }
                setManager(contextManager);
            }
            if (manager != null && (getCluster() != null) && distributable) {
                // let the cluster know that there is a context that is distributable
                // and that it has its own manager
                getCluster().registerManager(manager);
            }
        }
    } finally {
        // Unbinding thread
        unbindThread(oldCCL);
    }
    if (!getConfigured()) {
        log.error(sm.getString("standardContext.configurationFail"));
        ok = false;
    }
    // We put the resources into the servlet context
    if (ok)
        getServletContext().setAttribute(Globals.RESOURCES_ATTR, getResources());
    // Initialize associated mapper
    mapper.setContext(getPath(), welcomeFiles, getResources());
    // Binding thread
    oldCCL = bindThread();
    if (ok) {
        if (getInstanceManager() == null) {
            javax.naming.Context context = null;
            if (isUseNaming() && getNamingContextListener() != null) {
                context = getNamingContextListener().getEnvContext();
            }
            Map<String, Map<String, String>> injectionMap = buildInjectionMap(getIgnoreAnnotations() ? new NamingResources() : getNamingResources());
            setInstanceManager(new DefaultInstanceManager(context, injectionMap, this, this.getClass().getClassLoader()));
            getServletContext().setAttribute(InstanceManager.class.getName(), getInstanceManager());
        }
    }
    try {
        // Create context attributes that will be required
        if (ok) {
            getServletContext().setAttribute(JarScanner.class.getName(), getJarScanner());
        }
        // Set up the context init params
        mergeParameters();
        // Call ServletContainerInitializers
        for (Map.Entry<ServletContainerInitializer, Set<Class<?>>> entry : initializers.entrySet()) {
            try {
                entry.getKey().onStartup(entry.getValue(), getServletContext());
            } catch (ServletException e) {
                log.error(sm.getString("standardContext.sciFail"), e);
                ok = false;
                break;
            }
        }
        // Configure and call application event listeners
        if (ok) {
            if (!listenerStart()) {
                log.error(sm.getString("standardContext.listenerFail"));
                ok = false;
            }
        }
        try {
            // Start manager
            Manager manager = getManagerInternal();
            if ((manager != null) && (manager instanceof Lifecycle)) {
                ((Lifecycle) getManager()).start();
            }
        } catch (Exception e) {
            log.error(sm.getString("standardContext.managerFail"), e);
            ok = false;
        }
        // Configure and call application filters
        if (ok) {
            if (!filterStart()) {
                log.error(sm.getString("standardContext.filterFail"));
                ok = false;
            }
        }
        // Load and initialize all "load on startup" servlets
        if (ok) {
            if (!loadOnStartup(findChildren())) {
                log.error(sm.getString("standardContext.servletFail"));
                ok = false;
            }
        }
        // Start ContainerBackgroundProcessor thread
        super.threadStart();
    } finally {
        // Unbinding thread
        unbindThread(oldCCL);
    }
    // Set available status depending upon startup success
    if (ok) {
        if (log.isDebugEnabled())
            log.debug("Starting completed");
    } else {
        log.error(sm.getString("standardContext.startFailed", getName()));
    }
    startTime = System.currentTimeMillis();
    // Send j2ee.state.running notification
    if (ok && (this.getObjectName() != null)) {
        Notification notification = new Notification("j2ee.state.running", this.getObjectName(), sequenceNumber.getAndIncrement());
        broadcaster.sendNotification(notification);
    }
    // of files on startup
    if (getLoader() instanceof WebappLoader) {
        ((WebappLoader) getLoader()).closeJARs(true);
    }
    // Reinitializing if something went wrong
    if (!ok) {
        setState(LifecycleState.FAILED);
    } else {
        setState(LifecycleState.STARTING);
    }
}