Examples of com.sun.enterprise.config.ConfigContext

com.sun.enterprise.config.ConfigContext
A configuration context represents a heirarchical view of the configuration attributes. It reads the configuration attributes from server.xml The configuration context has a one-to-one realationship with a configuration file. There is no public constructor. Use ConfigFactory to construct ConfigContext. This object can be made readOnly and autoCommit during creation but these parameters cannot be changed once the object is created. Note that this object might be shared by number of threads. Here are some examples of code to illustrate lookup: 1. If you want to specifically locate a Node in the configuration: example: jms resource in server.xml
```
 ConfigBean conBean =  ctx.exactLookup("/server/resources/jms-resource[@name='jms1']"); 
```
Follow the syntax below for creating xpath expression for use in lookup/exactLookup. This is the only syntax supported.
```
 expression := /tagName | /tagName/tagExpression tagExpression := tagName| tagName[@name='value'] | tagName/tagExpression | tagName[@name='value']/tagExpression 
```
Config API documentation: Config API is a powerful set of APIs that handle comples operations like:
```
 1. Basic Configuration (set and get elements and attributes APIs) 2. Event Notification 3. Cloning 4. XPath support 5. Change Mananagement (add, update, delete, set) 6. readonly 7. Auto Commit 8. Advanced Configuration (1 API to access attributes--ctx.getAttribute()) 9. Intelligent refresh 10. Get dtd default values 11. DOM like API support (appendChild, removeChild) 12. Find APIs 13. Support Serialization and DeSerialization 14. Other Misc APIs (getChildBeansByName, getXPath, etc) 15. Merge APIs 
```

        // Read from the transaction-service , if the replacement of
        // Vendor XAResource class with our version required.
        // If yes, put the mapping in the xaresourcewrappers properties.
        Properties xaresourcewrappers = new Properties();
        try {
            ConfigContext ctx = 
                 ApplicationServer.getServerContext().getConfigContext();
            TransactionService txs = 
                 ServerBeansFactory.getTransactionServiceBean(ctx);
            xaresourcewrappers.put(
                "oracle.jdbc.xa.client.OracleXADataSource",

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     * @param secure true if you want the secure port, false if you want the non-secure port
     * @return the port or null if there was an error retrieving it.
     */
    private static String getPort(boolean secure) {
        try {
            ConfigContext configContext = ApplicationServer.getServerContext().getConfigContext();
            final String serverName = System.getProperty(SystemPropertyConstants.SERVER_NAME);
            Config config = ServerHelper.getConfigForServer(configContext, serverName);
            final HttpListener[] listeners = config.getHttpService().getHttpListener();
            for (HttpListener listener : listeners) {
                if ((secure) && (listener.isSecurityEnabled())) {

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        com.sun.enterprise.config.serverbeans.ExtensionModule em = null;
        WebModuleConfig wmInfo = null;   
        Application appDesc = null;


        J2eeApplication j2eeAppBean = getJ2eeAppBean(); 
        ConfigContext eventConfigContext = j2eeAppBean.getConfigContext();
        String id = j2eeAppBean.getName();
        String location = j2eeAppBean.getLocation();
        String resourceType = j2eeAppBean.getObjectType();  
        
        //TODO : Check if enabled and take action

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            for (int i = 0 ; i < instances.length ; i++) {
                String instanceName = instances[i];
                InstanceEnvironment inst =
                        new InstanceEnvironment(instanceName);
                String backURL = inst.getConfigFilePath();
                ConfigContext context = ConfigFactory.
                        createConfigContext(backURL);
                Config rootElement = ServerBeansFactory.getConfigBean(context);


                HttpService httpService = rootElement.getHttpService();
                HttpListener[] httpListeners =

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            for (int i = 0 ; i < instances.length ; i++) {
                String instanceName = instances[i];
                InstanceEnvironment inst =
                        new InstanceEnvironment(instanceName);
                String backURL = inst.getConfigFilePath();
                ConfigContext context = ConfigFactory.
                        createConfigContext(backURL);


                Config rootElement = ServerBeansFactory.getConfigBean(context);


                IiopService iiopService = rootElement.getIiopService();

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            for (int i = 0 ; i < instances.length ; i++) {
                String instanceName = instances[i];
                InstanceEnvironment inst =
                        new InstanceEnvironment(instanceName);
                String backURL = inst.getConfigFilePath();
                ConfigContext context = ConfigFactory.
                        createConfigContext(backURL);
                JmsHost jmsHost = ServerBeansFactory.getJmsHostBean(context);
                String aPort = jmsHost.getPort();
                aPort = aPort.trim();
                sLogger.log(Level.FINE, "port = " + aPort);

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        NodeAgent[] nodeagents = null;
        ArrayList<String> list = new ArrayList<String>();


        if(config.getTarget().getType().equals(EETargetType.DOMAIN)) {
            try {
                ConfigContext configContext =AdminService.getAdminService().
                        getAdminContext().getAdminConfigContext();
                Domain domain = ServerBeansFactory.getDomainBean(configContext);
                NodeAgents nodeAgentCollection = domain.getNodeAgents();
                nodeagents = nodeAgentCollection.getNodeAgent();
            } catch(Exception e) {
            }
        } else { // Safe to assume it's a cluster
            try {
                ConfigContext configContext = AdminService.getAdminService().
                        getAdminContext().getAdminConfigContext();
                nodeagents =
                        NodeAgentHelper.getNodeAgentsForCluster
                                (configContext, config.getTarget().getName());
            } catch(Exception e) {

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     * - change to default with appropriate log message </br>
     *
     */
    public AutoDeployController createAutoDeployController(ServerContext context) throws AutoDeploymentException {
        
        ConfigContext confContext = context.getConfigContext();
        AutoDeployController autoDeployController = null;             
        String targetConfigurationName = null;
        Domain domain = null;
        
        String autoDeployDir=null ;

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  Orb orbBean = null;
  
        try {
            ServerContext serverContext = ApplicationServer.getServerContext();
             
            ConfigContext configContext = serverContext.getConfigContext();
            assert(configContext != null);
        
            // IiopService iiopServiceBean = ServerBeansFactory.getIiopServiceBean(configContext);
      Config config = ServerBeansFactory.getConfigBean(configContext);

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                    "[WebModuleDeployEventListener] Handling event " + event.toString());
            }


            DeployEventListenerHelper.getDeployEventListenerHelper().synchronize(event);


            ConfigContext config = event.getConfigContext(); 
            String moduleName = event.getModuleName(); 


            // refreshes the config context with the context from this event
            try {
                getWebModulesManager().refreshConfigContext(config);

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