Java Code Examples for org.apache.catalina.Container#getParent()

/**
 * Return the Server object that is the ultimate parent for the container
 * with which this Realm is associated. If the server cannot be found (eg
 * because the container hierarchy is not complete), <code>null</code> is
 * returned.
 */
protected Server getServer() {
    Container c = container;
    if (c instanceof Context) {
        c = c.getParent();
    }
    if (c instanceof Host) {
        c = c.getParent();
    }
    if (c instanceof Engine) {
        Service s = ((Engine)c).getService();
        if (s != null) {
            return s.getServer();
        }
    }
    return null;
}
 

/**
 * Return the Server object that is the ultimate parent for the container
 * with which this Realm is associated. If the server cannot be found (eg
 * because the container hierarchy is not complete), <code>null</code> is
 * returned.
 */
protected Server getServer() {
    Container c = container;
    if (c instanceof Context) {
        c = c.getParent();
    }
    if (c instanceof Host) {
        c = c.getParent();
    }
    if (c instanceof Engine) {
        Service s = ((Engine)c).getService();
        if (s != null) {
            return s.getServer();
        }
    }
    return null;
}
 

private static boolean undeploy(final StandardContext standardContext, final ContextInfo contextInfo) {
    if (isReady(contextInfo.deployer)) {
        contextInfo.deployer.unmanageApp(standardContext.getName());
        return true;
    } else if (contextInfo.host != null) {
        return undeploy(standardContext, contextInfo.host);
    } else {
        Container container = contextInfo.standardContext;
        while (container != null) {
            if (container instanceof Host) {
                break;
            }
            container = container.getParent();
        }
        return container != null && undeploy(standardContext, container);
    }
}
 

/**
 * Return the abbreviated name of this container for logging messages
 */
protected String logName() {

    if (logName != null) {
        return logName;
    }
    String loggerName = null;
    Container current = this;
    while (current != null) {
        String name = current.getName();
        if ((name == null) || (name.equals(""))) {
            name = "/";
        } else if (name.startsWith("##")) {
            name = "/" + name;
        }
        loggerName = "[" + name + "]" 
            + ((loggerName != null) ? ("." + loggerName) : "");
        current = current.getParent();
    }
    logName = ContainerBase.class.getName() + "." + loggerName;
    return logName;
    
}
 

/**
 * @return the name for this instance (built from container name)
 */
public String getName() {
    if (name == null) {
        Container container = manager.getContainer();
        String contextName = container.getName();
        if (!contextName.startsWith("/")) {
            contextName = "/" + contextName;
        }
        String hostName = "";
        String engineName = "";

        if (container.getParent() != null) {
            Container host = container.getParent();
            hostName = host.getName();
            if (host.getParent() != null) {
                engineName = host.getParent().getName();
            }
        }
        name = "/" + engineName + "/" + hostName + contextName;
    }
    return name;
}
 

private Server getServer() {
    Container c = context;
    while (c != null && !(c instanceof Engine)) {
        c = c.getParent();
    }

    if (c == null) {
        return null;
    }

    Service s = ((Engine)c).getService();

    if (s == null) {
        return null;
    }

    return s.getServer();
}
 

/**
 * Return the Server object that is the ultimate parent for the container
 * with which this Realm is associated. If the server cannot be found (eg
 * because the container hierarchy is not complete), <code>null</code> is
 * returned.
 * @return the Server associated with the realm
 */
protected Server getServer() {
    Container c = container;
    if (c instanceof Context) {
        c = c.getParent();
    }
    if (c instanceof Host) {
        c = c.getParent();
    }
    if (c instanceof Engine) {
        Service s = ((Engine)c).getService();
        if (s != null) {
            return s.getServer();
        }
    }
    return null;
}
 

/**
 * Find the configuration path where the rewrite configuration file
 * will be stored.
 * @param resourceName The rewrite configuration file name
 * @return the full rewrite configuration path
 */
protected String getHostConfigPath(String resourceName) {
    StringBuffer result = new StringBuffer();
    Container container = getContainer();
    Container host = null;
    Container engine = null;
    while (container != null) {
        if (container instanceof Host)
            host = container;
        if (container instanceof Engine)
            engine = container;
        container = container.getParent();
    }
    if (engine != null) {
        result.append(engine.getName()).append('/');
    }
    if (host != null) {
        result.append(host.getName()).append('/');
    }
    result.append(resourceName);
    return result.toString();
}
 

/**
 * Determine the name of the domain to register MBeans for from a given
 * Container.
 * 
 * @param container
 *
 * @deprecated  To be removed since to creates a circular dependency. Will
 *              be replaced in Tomcat 8 by a new method on {@link
 *              Container}.
 */
@Deprecated
public static String getDomain(Container container) {
    
    String domain = null;
    
    Container c = container;
    
    while (!(c instanceof Engine) && c != null) {
        c = c.getParent();
    }
    
    if (c != null) {
        domain = c.getName();
    }
    
    return domain;
}
 

private Set<String> getNonAsyncClassNames() {
    Set<String> result = new HashSet<>();

    Wrapper wrapper = getWrapper();
    if (!wrapper.isAsyncSupported()) {
        result.add(wrapper.getServletClass());
    }

    FilterChain filterChain = getFilterChain();
    if (filterChain instanceof ApplicationFilterChain) {
        ((ApplicationFilterChain) filterChain).findNonAsyncFilters(result);
    } else {
        result.add(sm.getString("coyoteRequest.filterAsyncSupportUnknown"));
    }

    Container c = wrapper;
    while (c != null) {
        c.getPipeline().findNonAsyncValves(result);
        c = c.getParent();
    }

    return result;
}
 

/**
 * @return the name for this instance (built from container name)
 */
public String getName() {
    if (name == null) {
        Container container = manager.getContainer();
        String contextName = container.getName();
        if (!contextName.startsWith("/")) {
            contextName = "/" + contextName;
        }
        String hostName = "";
        String engineName = "";

        if (container.getParent() != null) {
            Container host = container.getParent();
            hostName = host.getName();
            if (host.getParent() != null) {
                engineName = host.getParent().getName();
            }
        }
        name = "/" + engineName + "/" + hostName + contextName;
    }
    return name;
}
 

private Server getServer() {
    Container c = context;
    while (c != null && !(c instanceof Engine)) {
        c = c.getParent();
    }

    if (c == null) {
        return null;
    }

    Service s = ((Engine)c).getService();

    if (s == null) {
        return null;
    }

    return s.getServer();
}
 

@Override
public String getVirtualServerName() {
    // Constructor will fail if context or its parent is null
    Container host = context.getParent();
    Container engine = host.getParent();
    return engine.getName() + "/" + host.getName();
}
 

@Override
public String getServiceName() {
    if (resources != null) {
        Container host = resources.getContext().getParent();
        if (host != null) {
            Container engine = host.getParent();
            if (engine != null) {
                return engine.getName();
            }
        }
    }
    return null;
}
 

/**
 * 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 {
    
    // Look up the SingleSignOn implementation in our request processing
    // path, if there is one
    Container parent = context.getParent();
    while ((sso == null) && (parent != null)) {
        Valve valves[] = parent.getPipeline().getValves();
        for (int i = 0; i < valves.length; i++) {
            if (valves[i] instanceof SingleSignOn) {
                sso = (SingleSignOn) valves[i];
                break;
            }
        }
        if (sso == null)
            parent = parent.getParent();
    }
    if (log.isDebugEnabled()) {
        if (sso != null)
            log.debug("Found SingleSignOn Valve at " + sso);
        else
            log.debug("No SingleSignOn Valve is present");
    }

    sessionIdGenerator = new StandardSessionIdGenerator();
    sessionIdGenerator.setSecureRandomAlgorithm(getSecureRandomAlgorithm());
    sessionIdGenerator.setSecureRandomClass(getSecureRandomClass());
    sessionIdGenerator.setSecureRandomProvider(getSecureRandomProvider());

    super.startInternal();
}
 

private int determineTomcatHttpPort(ServletContext ctx) {

		try {
            Object o = FieldUtils.readField(ctx, "context", true);
            StandardContext sCtx = (StandardContext) FieldUtils.readField(o, "context", true);
            Container container = (Container) sCtx;

            Container c = container.getParent();
	        while (c != null && !(c instanceof StandardEngine)) {
	            c = c.getParent();
	        }

	        if (c != null) {
	            StandardEngine engine = (StandardEngine) c;
	            for (Connector connector : engine.getService().findConnectors()) {

                    if(connector.getProtocol().startsWith("HTTP")) {
	            		return connector.getPort();
	            	}

	            }
	        }

        } catch (Exception e) {
            logger.error("Could not determine http port", e);
        }

		return 0;

	}
 

@Override
protected synchronized void startInternal() throws LifecycleException {
    Container c = getContainer();
    while (c != null && !(c instanceof Engine)) {
        c = c.getParent();
    }
    if (c instanceof Engine) {
        engine = (Engine) c;
    }
    super.startInternal();
}
 

/**
 * Calculate the key properties string to be added to an object's
 * {@link ObjectName} to indicate that it is associated with that container.
 * 
 * @param container The container the object is associated with 
 * @return          A string suitable for appending to the ObjectName
 * @deprecated  To be removed since to creates a circular dependency. Will
 *              be replaced in Tomcat 8 by a new method on {@link
 *              Container}.
 */
@Deprecated
public static String getContainerKeyProperties(Container container) {
    
    Container c = container;
    StringBuilder keyProperties = new StringBuilder();
    int containerCount = 0;
    
    // Work up container hierarchy, add a component to the name for
    // each container
    while (!(c instanceof Engine)) {
        if (c instanceof Wrapper) {
            keyProperties.append(",servlet=");
            keyProperties.append(c.getName());
        } else if (c instanceof Context) {
            keyProperties.append(",context=");
            ContextName cn = new ContextName(c.getName(), false);
            keyProperties.append(cn.getDisplayName());
        } else if (c instanceof Host) {
            keyProperties.append(",host=");
            keyProperties.append(c.getName());
        } else if (c == null) {
            // May happen in unit testing and/or some embedding scenarios
            keyProperties.append(",container");
            keyProperties.append(containerCount++);
            keyProperties.append("=null");
            break;
        } else {
            // Should never happen...
            keyProperties.append(",container");
            keyProperties.append(containerCount++);
            keyProperties.append('=');
            keyProperties.append(c.getName());
        }
        c = c.getParent();
    }

    return keyProperties.toString();
}
 

/**
 * 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 {
    
    // Look up the SingleSignOn implementation in our request processing
    // path, if there is one
    Container parent = context.getParent();
    while ((sso == null) && (parent != null)) {
        Valve valves[] = parent.getPipeline().getValves();
        for (int i = 0; i < valves.length; i++) {
            if (valves[i] instanceof SingleSignOn) {
                sso = (SingleSignOn) valves[i];
                break;
            }
        }
        if (sso == null)
            parent = parent.getParent();
    }
    if (log.isDebugEnabled()) {
        if (sso != null)
            log.debug("Found SingleSignOn Valve at " + sso);
        else
            log.debug("No SingleSignOn Valve is present");
    }

    sessionIdGenerator = new StandardSessionIdGenerator();
    sessionIdGenerator.setSecureRandomAlgorithm(getSecureRandomAlgorithm());
    sessionIdGenerator.setSecureRandomClass(getSecureRandomClass());
    sessionIdGenerator.setSecureRandomProvider(getSecureRandomProvider());

    super.startInternal();
}
 

@Override
protected synchronized void startInternal() throws LifecycleException {
    Container c = getContainer();
    while (c != null && !(c instanceof Engine)) {
        c = c.getParent();
    }
    if (c instanceof Engine) {
        engine = (Engine) c;
    }
    super.startInternal();
}