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

/**
 * Engine is added.
 *
 * @param engine tomcat engine
 */
private void engineAdded(final StandardEngine engine) {
    addContextListener(engine);
    for (final Container child : engine.findChildren()) {
        if (child instanceof StandardHost) {
            final StandardHost host = (StandardHost) child;
            hostAdded(host);
        }
    }
}
 

/**
 * Engine is removed.
 *
 * @param engine tomcat engine
 */
private void engineRemoved(final StandardEngine engine) {
    for (final Container child : engine.findChildren()) {
        if (child instanceof StandardHost) {
            final StandardHost host = (StandardHost) child;
            hostRemoved(host);
        }
    }
}
 

private static File tryToFindAndExtractWar(final StandardServer source) {
    if (System.getProperties().containsKey("openejb.war")) {
        return new File(System.getProperty("openejb.war"));
    }

    for (final Service service : source.findServices()) {
        final Container container = service.getContainer();
        if (container instanceof StandardEngine) {
            final StandardEngine engine = (StandardEngine) container;
            for (final Container child : engine.findChildren()) {
                if (child instanceof StandardHost) {
                    final StandardHost host = (StandardHost) child;
                    final File base = hostDir(System.getProperty("catalina.base"), host.getAppBase());

                    final File[] files = base.listFiles();
                    if (files != null) {
                        for (final File file : files) {
                            if (isTomEEWar(file)) {
                                return file;
                            }
                        }
                    }
                }
            }
        }
    }

    return null;
}
 

private static File findOpenEjbWar() {
    // in Tomcat 5.5 the OpenEjb war is in the server/webapps director
    final String catalinaBase = System.getProperty("catalina.base");
    final File serverWebapps = new File(catalinaBase, "server/webapps");
    File openEjbWar = findOpenEjbWar(serverWebapps);
    if (openEjbWar != null) {
        return openEjbWar;
    }

    try {
        // in Tomcat 6 the OpenEjb war is normally in webapps, but we just
        // scan all hosts directories
        for (final Service service : TomcatHelper.getServer().findServices()) {
            final Container container = service.getContainer();
            if (container instanceof StandardEngine) {
                final StandardEngine engine = (StandardEngine) container;
                for (final Container child : engine.findChildren()) {
                    if (child instanceof StandardHost) {
                        final StandardHost host = (StandardHost) child;
                        final File hostDir = hostDir(catalinaBase, host.getAppBase());

                        openEjbWar = findOpenEjbWar(hostDir);
                        if (openEjbWar != null) {
                            return openEjbWar;
                        } else {
                            return findOpenEjbWar(host);
                        }
                    }
                }
            }
        }
    } catch (final Exception e) {
        LOGGER.log(Level.WARNING, "OpenEJBListener.findOpenEjbWar: {0}", e.getMessage());
    }

    return null;
}
 

/**
 * Store the specified Engine properties.
 *
 * @param aWriter
 *            PrintWriter to which we are storing
 * @param indent
 *            Number of spaces to indent this element
 * @param aEngine
 *            Object whose properties are being stored
 *
 * @exception Exception
 *                if an exception occurs while storing
 */
@Override
public void storeChildren(PrintWriter aWriter, int indent, Object aEngine,
        StoreDescription parentDesc) throws Exception {
    if (aEngine instanceof StandardEngine) {
        StandardEngine engine = (StandardEngine) aEngine;
        // Store nested <Listener> elements
        LifecycleListener listeners[] = ((Lifecycle) engine)
                .findLifecycleListeners();
        storeElementArray(aWriter, indent, listeners);

        // Store nested <Realm> element
        Realm realm = engine.getRealm();
        Realm parentRealm = null;
        // TODO is this case possible? (see it a old Server 5.0 impl)
        if (engine.getParent() != null) {
            parentRealm = engine.getParent().getRealm();
        }
        if (realm != parentRealm) {
            storeElement(aWriter, indent, realm);

        }

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

        // store all <Cluster> elements
        Cluster cluster = engine.getCluster();
        if (cluster != null) {
            storeElement(aWriter, indent, cluster);
        }
        // store all <Host> elements
        Container children[] = engine.findChildren();
        storeElementArray(aWriter, indent, children);

   }
}