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

        WebContinuation wk;
        Scriptable scope = getTopLevelScope(c);
        FOM_Cocoon cocoon = (FOM_Cocoon)getProperty(scope, "cocoon");
        ComponentManager componentManager =  cocoon.getComponentManager();
        ContinuationsManager contMgr = (ContinuationsManager)
            componentManager.lookup(ContinuationsManager.ROLE);
        wk = contMgr.createWebContinuation(c,
                                           (parent == null ? null : parent.getWebContinuation()),
                                           timeToLive,
                                           null);
        result = new FOM_WebContinuation(wk);

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            (FOM_Cocoon)getProperty(getTopLevelScope(this),
                                    "cocoon");
        ComponentManager componentManager =
            cocoon.getComponentManager();
        contMgr = (ContinuationsManager)
            componentManager.lookup(ContinuationsManager.ROLE);
        contMgr.invalidateWebContinuation(wk);
    }


    public void jsFunction_display() {
        wk.display();

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        ComponentSelector serializerSelector = null;
        Serializer serializer = null;
        // this.manager does not have Serializer
        ComponentManager manager = CocoonComponentManager.getSitemapComponentManager();
        try {
            serializerSelector = (ComponentSelector) manager.lookup(Serializer.ROLE + "Selector");
            serializer = (Serializer)serializerSelector.select("xml");
            ByteArrayOutputStream os = new ByteArrayOutputStream();
            serializer.setOutputStream(os);


            toSAX(serializer);

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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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  public InputStream getInputStream() throws IOException, SourceNotFoundException {
        ComponentManager sitemapManager = CocoonComponentManager.getSitemapComponentManager();
        ComponentSelector serializerSelector = null;
        Serializer serializer = null;
        try {
            serializerSelector = (ComponentSelector) sitemapManager.lookup(Serializer.ROLE+"Selector");
            serializer = (Serializer) serializerSelector.select("html");
            ByteArrayOutputStream os = new ByteArrayOutputStream();
            serializer.setOutputStream(os);
            this.toSAX(serializer);
            return new ByteArrayInputStream(os.toByteArray());

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    throws Exception
  {
    ComponentManager manager = componentManager(sManager);
    Source source = source(ssource);


    Parser parser = (Parser)manager.lookup(Parser.ROLE);
    XMLtoSXML handler = new XMLtoSXML();
    parser.setContentHandler(handler);
    InputSource input = new InputSource(source.getInputStream());
    parser.parse(input);

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    parser.setContentHandler(handler);
    InputSource input = new InputSource(source.getInputStream());
    parser.parse(input);


    SchemeInterpreter interpreters
      = (SchemeInterpreter)manager.lookup(SchemeInterpreter.ROLE);
    Symbol mainFunction = interpreters.getMainFunction();
    Interpreter interp = interpreters.getInterpreter();


    try {
      return interp.eval(handler.getContent());

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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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            // 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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