Examples of org.apache.avalon.framework.component.ComponentManager.lookup()

Package org.apache.avalon.framework.component

Class org.apache.avalon.framework.component.ComponentManager

Examples of org.apache.avalon.framework.component.ComponentManager.lookup()

org.apache.avalon.framework.component.ComponentManager.lookup()
Get the Component associated with the given key. For instance, If the ComponentManager had a LoggerComponent stored and referenced by key, I would use the following call:
```
 try { LoggerComponent log; myComponent = (LoggerComponent) m_manager.lookup(LoggerComponent.ROLE); } catch (...) { ... } 
```
@param key The key name of the Component to retrieve. @return the desired component @throws ComponentException if an error occurs

        Connection conn = null;


        try {
            ComponentManager componentManager = (ComponentManager)getMailetContext().getAttribute(Constants.AVALON_COMPONENT_MANAGER);
            // Get the DataSourceSelector service
            DataSourceSelector datasources = (DataSourceSelector)componentManager.lookup(DataSourceSelector.ROLE);
            // Get the data-source required.
            datasource = (DataSourceComponent)datasources.select(datasourceName);


            conn = datasource.getConnection();

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            // Ignore any exceptions, default to true
        }


        ComponentManager compMgr = (ComponentManager)getMailetContext().getAttribute(Constants.AVALON_COMPONENT_MANAGER);
        try {
            UsersStore usersStore = (UsersStore)compMgr.lookup("org.apache.james.services.UsersStore");
            String repName = getInitParameter("repositoryName");


            members = (UsersRepository)usersStore.getRepository( repName );
        } catch (ComponentException cnfe) {
            log("Failed to retrieve Store component:" + cnfe.getMessage());

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            // Ignore exception, default to false
        }


        ComponentManager compMgr = (ComponentManager)getMailetContext().getAttribute(Constants.AVALON_COMPONENT_MANAGER);
        try {
            MailStore mailstore = (MailStore) compMgr.lookup("org.apache.james.services.MailStore");
            DefaultConfiguration mailConf
                = new DefaultConfiguration("repository", "generated:ToRepository");
            mailConf.setAttribute("destinationURL", repositoryPath);
            mailConf.setAttribute("type", "MAIL");
            repository = (MailRepository) mailstore.select(mailConf);

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            outgoingPath = "file:///../var/mail/outgoing";
        }


        try {
            // Instantiate the a MailRepository for outgoing mails
            MailStore mailstore = (MailStore) compMgr.lookup("org.apache.james.services.MailStore");


            DefaultConfiguration spoolConf
                = new DefaultConfiguration("repository", "generated:RemoteDelivery.java");
            spoolConf.setAttribute("destinationURL", outgoingPath);
            spoolConf.setAttribute("type", "SPOOL");

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            throw new MailetException("target_column not specified for JDBCAlias");
        }
        try {
            ComponentManager componentManager = (ComponentManager)getMailetContext().getAttribute(Constants.AVALON_COMPONENT_MANAGER);
            // Get the DataSourceSelector service
            DataSourceSelector datasources = (DataSourceSelector)componentManager.lookup(DataSourceSelector.ROLE);
            // Get the data-source required.
            datasource = (DataSourceComponent)datasources.select(datasourceName);


            conn = datasource.getConnection();

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        Connection conn = null;


        try {
            ComponentManager componentManager = (ComponentManager)getMailetContext().getAttribute(Constants.AVALON_COMPONENT_MANAGER);
            // Get the DataSourceSelector service
            DataSourceSelector datasources = (DataSourceSelector)componentManager.lookup(DataSourceSelector.ROLE);
            // Get the data-source required.
            datasource = (DataSourceComponent)datasources.select(datasourceName);


            conn = datasource.getConnection();

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     * Initialize the mailet
     */
    public void init() {
        ComponentManager compMgr = (ComponentManager)getMailetContext().getAttribute(Constants.AVALON_COMPONENT_MANAGER);
        try {
            UsersStore usersStore = (UsersStore) compMgr.lookup("org.apache.james.services.UsersStore");
            String repName = getInitParameter("repositoryName");


            members = (UsersRepository) usersStore.getRepository(repName);
        } catch (ComponentException cnfe) {
            log("Failed to retrieve Store component:" + cnfe.getMessage());

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                if (parentSelector != null) {


                    ExtendedComponentSelector localSelector = null;
                    try {
                        localSelector = (ExtendedComponentSelector)manager.lookup(role);


                        if (localSelector != parentSelector) {
                            // local selector wasn't given by chaining to the parent manager
                            localSelector.setParentSelector(parentSelector);
                        }

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        Redirector redirector = new SitemapRedirector(this.environment);
        SourceResolver resolver = (SourceResolver)this.environment.getObjectModel()
            .get(OBJECT_SOURCE_RESOLVER);
        ComponentManager sitemapManager = CocoonComponentManager.getSitemapComponentManager();
        ComponentSelector actionSelector
            = (ComponentSelector)sitemapManager.lookup(Action.ROLE + "Selector");
        Action action = (Action)actionSelector.select(type);
        Map result = null;
        try {
            result = action.act(redirector,
                                resolver,

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        throws Exception
    {
        // since no new components can be declared on sitemap we could
        // very well use the 'other' one here. Anyway, since it's there...
        ComponentManager sitemapManager = CocoonComponentManager.getSitemapComponentManager();
        ComponentSelector inputSelector = (ComponentSelector)sitemapManager
            .lookup(InputModule.ROLE + "Selector");
        InputModule input = (InputModule) inputSelector.select(type);
        Object result = null;
        try {
            result = input.getAttribute(attribute, null,

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