Java Code Examples for org.apache.catalina.core.StandardHost#findChildren()

private static boolean hasChild(final StandardHost host, final String name) {
    for (final Container child : host.findChildren()) {
        // the TomEERemoteWebapp path = "/" + name
        if (name.equals(child.getName())
            || (StandardContext.class.isInstance(child) && ("/" + name).equals(StandardContext.class.cast(child).getPath()))) {
            return true;
        }
    }
    return false;
}
 

/**
 * Host is added.
 *
 * @param host tomcat host.
 */
private void hostAdded(final StandardHost host) {
    addContextListener(host);
    host.addLifecycleListener(this);
    for (final Container child : host.findChildren()) {
        if (child instanceof StandardContext) {
            final StandardContext context = (StandardContext) child;
            contextAdded(context);
        }
    }
}
 

/**
 * Host is removed.
 *
 * @param host tomcat host
 */
private void hostRemoved(final StandardHost host) {
    for (final Container child : host.findChildren()) {
        if (child instanceof StandardContext) {
            final StandardContext context = (StandardContext) child;
            contextRemoved(context);
        }
    }
}
 

/**
 * Store the specified Host properties and children
 * (Listener,Alias,Realm,Valve,Cluster, Context)
 *
 * @param aWriter
 *            PrintWriter to which we are storing
 * @param indent
 *            Number of spaces to indent this element
 * @param aHost
 *            Host whose properties are being stored
 *
 * @exception Exception
 *                if an exception occurs while storing
 */
@Override
public void storeChildren(PrintWriter aWriter, int indent, Object aHost,
        StoreDescription parentDesc) throws Exception {
    if (aHost instanceof StandardHost) {
        StandardHost host = (StandardHost) aHost;
        // Store nested <Listener> elements
        LifecycleListener listeners[] = ((Lifecycle) host)
                .findLifecycleListeners();
        storeElementArray(aWriter, indent, listeners);

        // Store nested <Alias> elements
        String aliases[] = host.findAliases();
        getStoreAppender().printTagArray(aWriter, "Alias", indent + 2,
                aliases);

        // Store nested <Realm> element
        Realm realm = host.getRealm();
        if (realm != null) {
            Realm parentRealm = null;
            if (host.getParent() != null) {
                parentRealm = host.getParent().getRealm();
            }
            if (realm != parentRealm) {
                storeElement(aWriter, indent, realm);
            }
        }

        // Store nested <Valve> elements
        Valve valves[] = host.getPipeline().getValves();
        if(valves != null && valves.length > 0 ) {
            List<Valve> hostValves = new ArrayList<>() ;
            for(int i = 0 ; i < valves.length ; i++ ) {
                if(!( valves[i] instanceof ClusterValve))
                    hostValves.add(valves[i]);
            }
            storeElementArray(aWriter, indent, hostValves.toArray());
        }

        // store all <Cluster> elements
        Cluster cluster = host.getCluster();
        if (cluster != null) {
            Cluster parentCluster = null;
            if (host.getParent() != null) {
                parentCluster = host.getParent().getCluster();
            }
            if (cluster != parentCluster) {
                storeElement(aWriter, indent, cluster);
            }
        }

        // store all <Context> elements
        Container children[] = host.findChildren();
        storeElementArray(aWriter, indent, children);
    }
}
 

private void checkConfiguration(StandardServer server,
                                Service expectedService, Connector expectedConnector,
                                Engine expectedEngine, StandardHost expectedHost, Context expectedContext) {

    // Check if Catalina base and home directories have not been changed.
    final File expectedBaseDir = config.baseDir().toFile();
    if (!Objects.equals(server.getCatalinaBase(), expectedBaseDir) ||
        !Objects.equals(server.getCatalinaHome(), expectedBaseDir)) {
        throw new TomcatServiceException("A configurator should never change the Catalina base and home.");
    }

    // Check if the server's port has not been changed.
    if (server.getPort() != EMBEDDED_TOMCAT_PORT) {
        throw new TomcatServiceException("A configurator should never change the port of the server.");
    }

    // Check if the default service has not been removed and a new service has not been added.
    final Service[] services = server.findServices();
    if (services == null || services.length != 1 || services[0] != expectedService) {
        throw new TomcatServiceException(
                "A configurator should never remove the default service or add a new service.");
    }

    // Check if the name of the default service has not been changed.
    if (!config.serviceName().equals(expectedService.getName())) {
        throw new TomcatServiceException(
                "A configurator should never change the name of the default service.");
    }

    // Check if the default connector has not been removed
    final Connector[] connectors = expectedService.findConnectors();
    if (connectors == null || Arrays.stream(connectors).noneMatch(c -> c == expectedConnector)) {
        throw new TomcatServiceException("A configurator should never remove the default connector.");
    }

    // Check if the engine has not been changed.
    final Container actualEngine = TomcatUtil.engine(expectedService, expectedHost.getName());
    if (actualEngine != expectedEngine) {
        throw new TomcatServiceException(
                "A configurator should never change the engine of the default service.");
    }

    // Check if the engine's name has not been changed.
    if (!config.engineName().equals(expectedEngine.getName())) {
        throw new TomcatServiceException(
                "A configurator should never change the name of the default engine.");
    }

    // Check if the default realm has not been changed.
    if (expectedEngine.getRealm() != config.realm()) {
        throw new TomcatServiceException("A configurator should never change the default realm.");
    }

    // Check if the default host has not been removed.
    final Container[] engineChildren = expectedEngine.findChildren();
    if (engineChildren == null || Arrays.stream(engineChildren).noneMatch(c -> c == expectedHost)) {
        throw new TomcatServiceException("A configurator should never remove the default host.");
    }

    // Check if the default context has not been removed.
    final Container[] contextChildren = expectedHost.findChildren();
    if (contextChildren == null || Arrays.stream(contextChildren).noneMatch(c -> c == expectedContext)) {
        throw new TomcatServiceException("A configurator should never remove the default context.");
    }

    // Check if the docBase of the default context has not been changed.
    if (!config.docBase().toString().equals(expectedContext.getDocBase())) {
        throw new TomcatServiceException(
                "A configurator should never change the docBase of the default context.");
    }
}