Examples of org.apache.catalina.core.ContainerBase

org.apache.catalina.core.ContainerBase

Abstract implementation of the Container interface, providing common functionality required by nearly every implementation. Classes extending this base class must may implement a replacement for invoke().

All subclasses of this abstract base class will include support for a Pipeline object that defines the processing to be performed for each request received by the invoke() method of this class, utilizing the "Chain of Responsibility" design pattern. A subclass should encapsulate its own processing functionality as a Valve, and configure this Valve into the pipeline by calling setBasic().

This implementation fires property change events, per the JavaBeans design pattern, for changes in singleton properties. In addition, it fires the following ContainerEvent events to listeners who register themselves with addContainerListener():

Type	Data	Description
`addChild`	`Container`	Child container added to this Container.
`addValve`	`Valve`	Valve added to this Container.
`removeChild`	`Container`	Child container removed from this Container.
`removeValve`	`Valve`	Valve removed from this Container.
`start`	`null`	Container was started.
`stop`	`null`	Container was stopped.

Subclasses that fire additional events should document them in the class comments of the implementation class. TODO: Review synchronisation around background processing. See bug 47024. @author Craig R. McClanahan

        // Create a new WebappLoader instance
        WebappLoader loader = new WebappLoader();


        // Add the new instance to its parent component
        ObjectName pname = new ObjectName(parent);
        ContainerBase containerBase = getParentContainerFromParent(pname);
        if (containerBase != null) {
            containerBase.setLoader(loader);
        } 
        // FIXME add Loader.getObjectName
        //ObjectName oname = loader.getObjectName();
        ObjectName oname = 
            MBeanUtils.createObjectName(pname.getDomain(), loader);

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     */
    public void removeLogger(String name) throws Exception {


        ObjectName oname = new ObjectName(name);
        // Acquire a reference to the component to be removed
        ContainerBase container = getParentContainerFromChild(oname);      
        container.setLogger(null);
    
    }

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     */
    public void removeLoader(String name) throws Exception {


        ObjectName oname = new ObjectName(name);
        // Acquire a reference to the component to be removed
        ContainerBase container = getParentContainerFromChild(oname);    
        container.setLoader(null);
        
    }

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     */
    public void removeManager(String name) throws Exception {


        ObjectName oname = new ObjectName(name);
        // Acquire a reference to the component to be removed
        ContainerBase container = getParentContainerFromChild(oname);    
        container.setManager(null);


    }

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     */
    public void removeRealm(String name) throws Exception {


        ObjectName oname = new ObjectName(name);
        // Acquire a reference to the component to be removed
        ContainerBase container = getParentContainerFromChild(oname); 
        container.setRealm(null);
    }

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     */
    public void removeValve(String name) throws Exception {


        // Acquire a reference to the component to be removed
        ObjectName oname = new ObjectName(name);
        ContainerBase container = getParentContainerFromChild(oname);
        String sequence = oname.getKeyProperty("seq");
        Valve[] valves = (Valve[])container.getValves();
        for (int i = 0; i < valves.length; i++) {
            ObjectName voname = ((ValveBase) valves[i]).getObjectName();
            if (voname.equals(oname)) {
                container.removeValve(valves[i]);
            }
        }
    }

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        }
        
        if( oname==null ) {
            // register
            try {
                ContainerBase cb=(ContainerBase)container;
                oname=new ObjectName(cb.getDomain()+":type=Realm" + cb.getContainerSuffix());
                Registry.getRegistry(null, null).registerComponent(this, oname, null );
                log.debug("Register Realm "+oname);
            } catch (Throwable e) {
                log.error( "Can't register " + oname, e);
            }

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        }
        
        if( oname==null ) {
            // register
            try {
                ContainerBase cb=(ContainerBase)container;
                oname=new ObjectName(cb.getDomain()+":type=Realm" + cb.getContainerSuffix());
                Registry.getRegistry(null, null).registerComponent(this, oname, null );
                if(log.isDebugEnabled())
                    log.debug("Register Realm "+oname);
            } catch (Throwable e) {
                log.error( "Can't register " + oname, e);

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            throws MalformedObjectNameException
    {
        Container container=this.getContainer();
        if( container == null || ! (container instanceof ContainerBase) )
            return null;
        ContainerBase containerBase=(ContainerBase)container;
        Pipeline pipe=containerBase.getPipeline();
        Valve valves[]=pipe.getValves();


        /* Compute the "parent name" part */
        String parentName="";
        if (container instanceof Engine) {

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        // Create a new SystemOutLogger instance
        SystemOutLogger logger = new SystemOutLogger();


        // Add the new instance to its parent component
        ObjectName pname = new ObjectName(parent);
        ContainerBase containerBase = getParentContainerFromParent(pname);
        containerBase.setLogger(logger);
        ObjectName oname = logger.getObjectName();
        return (oname.toString());
        
    }

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