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


                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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            (ComponentManager) msgContext.getProperty(COMPONENT_MANAGER);


        if (manager == null)
            throw new AxisFault("Could not access Avalon ComponentManager");


        return decorate(manager.lookup(role), manager);
    }


    /**
     * Helper method for decorating a <code>Component</code> with a Handler
     * proxy (see below).

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            (ComponentManager) msgContext.getProperty(COMPONENT_MANAGER);


        if (manager == null)
            throw new AxisFault("Could not access Avalon ComponentManager");


        return decorate(manager.lookup(role), manager);
    }


    /**
     * Helper method for decorating a <code>Component</code> with a Handler
     * proxy (see below).

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                    ComponentSelector selector = null;
                    Serializer serializer = null;
                    OutputStream oStream = null;
                    try {
                        selector = (ComponentSelector)manager.lookup(Serializer.ROLE + "Selector");
                        serializer = (Serializer)selector.select(serializerName);
                        oStream = ws.getOutputStream();
                        serializer.setOutputStream(oStream);
                        serializer.startDocument();
                        DOMStreamer streamer = new DOMStreamer(serializer);

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                    ComponentSelector selector = null;
                    Serializer serializer = null;
                    ByteArrayOutputStream oStream = new ByteArrayOutputStream();
                    try {
                        selector = (ComponentSelector)manager.lookup(Serializer.ROLE + "Selector");
                        serializer = (Serializer)selector.select(serializerName);
                        serializer.setOutputStream(oStream);
                        serializer.startDocument();
                        DOMStreamer streamer = new DOMStreamer(serializer);
                        streamer.stream(frag);

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                    ComponentSelector selector = null;
                    Serializer serializer = null;
                    OutputStream oStream = null;
                    try {
                        selector = (ComponentSelector)manager.lookup(Serializer.ROLE + "Selector");
                        serializer = (Serializer)selector.select(serializerName);
                        oStream = ws.getOutputStream();
                        serializer.setOutputStream(oStream);
                        serializer.startDocument();
                        DOMStreamer streamer = new DOMStreamer(serializer);

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                    ComponentSelector selector = null;
                    Serializer serializer = null;
                    ByteArrayOutputStream oStream = new ByteArrayOutputStream();
                    try {
                        selector = (ComponentSelector)manager.lookup(Serializer.ROLE + "Selector");
                        serializer = (Serializer)selector.select(serializerName);
                        serializer.setOutputStream(oStream);
                        serializer.startDocument();
                        DOMStreamer streamer = new DOMStreamer(serializer);
                        streamer.stream(frag);

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        if ( manager == null ) {
            throw new RuntimeException("CocoonComponentManager is not available for " + this.getClass().getName() + "." +
            " Make sure that you're initializing iBatis during an active request and not on startup.");            
        }
        try {
            final ComponentSelector selector = (ComponentSelector)manager.lookup(DataSourceComponent.ROLE + "Selector");
            try {
                this.datasource = (DataSourceComponent)selector.select(connection);
            } catch (ComponentException e) {
                throw new CascadingRuntimeException("Unable to lookup data source with name " + connection + "." +
                        " Check the cocoon.xconf and the iBatis sqlMapConfig.", e);

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        Connection conn = null;


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


            conn = datasource.getConnection();

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    private UsersRepository members;


    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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