Examples of org.picocontainer.DefaultPicoContainer

org.picocontainer.DefaultPicoContainer

The Standard {@link PicoContainer}/ {@link MutablePicoContainer} implementation.Constructing a container c with a parent p container will cause c to look up components in p if they cannot be found inside c itself.

Using {@link Class} objects as keys to the various registerXXX() methods makesa subtle semantic difference:

If there are more than one registered components of the same type and one of them are registered with a {@link java.lang.Class} key of the corresponding type, this addComponentwill take precedence over other components during type resolution.

Another place where keys that are classes make a subtle difference is in {@link HiddenImplementation}.

This implementation of {@link MutablePicoContainer} also supports{@link ComponentMonitorStrategy}.
@author Paul Hammant @author Aslak Hellesøy @author Jon Tirsén @author Thomas Heller @author Mauro Talevi

        super(new DefaultPicoContainer());
        parentClassLoader = classLoader;
    }


    public DefaultClassLoadingPicoContainer() {
        super(new DefaultPicoContainer());
        parentClassLoader = DefaultClassLoadingPicoContainer.class.getClassLoader();
    }

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    }


    public DefaultClassLoadingPicoContainer(ComponentFactory componentFactory, LifecycleStrategy lifecycleStrategy,
            PicoContainer parent, ClassLoader cl, ComponentMonitor componentMonitor) {


        super(new DefaultPicoContainer(componentFactory, lifecycleStrategy, parent, componentMonitor));
        parentClassLoader = (cl != null) ? cl : DefaultClassLoadingPicoContainer.class.getClassLoader();
    }

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    public CommandLinePicoContainer(String separator, String[] arguments) {
      this(separator,arguments,null);
    }


    public CommandLinePicoContainer(String separator, String[] arguments, PicoContainer parent ) {
      super(new DefaultPicoContainer(parent));
        for (String argument : arguments) {
            processArgument(argument, separator);
        }
    }

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      this(separator,argumentProperties,arguments,null);
    }


    public CommandLinePicoContainer(String separator, StringReader argumentProperties, String[] arguments, PicoContainer parent)
        throws IOException {
      super(new DefaultPicoContainer(parent));
      
        LineNumberReader lnr = new LineNumberReader(argumentProperties);
        String line = lnr.readLine();
        while (line != null) {
            processArgument(line, separator);

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   * create with parent container and populate from properties
   * @param properties
   * @param parent
   */
  public PropertiesPicoContainer(Properties properties, PicoContainer parent) {
    super(new DefaultPicoContainer(parent));    
    // populate container from properties
    for(Object key: properties.keySet()) {
      ((MutablePicoContainer)getDelegate()).addComponent(key,properties.get(key));
    }
  }

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    public PicoMap(final MutablePicoContainer mutablePicoContainer) {
        this.mutablePicoContainer = mutablePicoContainer;
    }


    public PicoMap() {
        mutablePicoContainer = new DefaultPicoContainer();
    }

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    private MutablePicoContainer childContainer;


    private static final Logger logger = LoggerFactory.getLogger(PicoProvider.class);


    public PicoProvider() {
        this.picoContainer = new DefaultPicoContainer(new Caching(),
                new JavaEE5LifecycleStrategy(new NullComponentMonitor()), null);


        ComponentFactoryRegistry componentFactoryRegistry = new DefaultComponentFactoryRegistry();
        PicoComponentRegistry componentRegistry = new PicoComponentRegistry(this.picoContainer, componentFactoryRegistry);

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        if (logger.isDebugEnabled()) {
            logger.debug("Request components are " + requestScoped);
        }


        MutablePicoContainer requestContainer = new DefaultPicoContainer(new Caching(), new JavaEE5LifecycleStrategy(
                new NullComponentMonitor()), sessionScope);


        for (Map.Entry<Class<?>, Class<?>> entry : requestScoped.entrySet()) {
            requestContainer.addComponent(entry.getKey(), entry.getValue());
        }
        for (Map.Entry<Class<?>, Class<?>> entry : prototypeScoped.entrySet()) {
          requestContainer.as(Characteristics.NO_CACHE).addComponent(entry.getKey(), entry.getValue());
        }
        requestContainer.addComponent(request).addComponent(request.getRequest()).addComponent(request.getResponse());


        registerComponentFactories(requestContainer, componentFactoryRegistry.getRequestMap());


        return new PicoBasedContainer(requestContainer, this.appContainer.getComponent(Router.class));
    }

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        }
        return false;
    }


    private MutablePicoContainer createSessionContainer(HttpSession session) {
        MutablePicoContainer sessionContainer = new DefaultPicoContainer(new Caching(), new JavaEE5LifecycleStrategy(
                new NullComponentMonitor()), this.appContainer);


        sessionContainer.addComponent(HttpSession.class, session);
        session.setAttribute(CONTAINER_SESSION_KEY, sessionContainer);


        if (logger.isDebugEnabled()) {
            logger.debug("Session components are " + sessionScoped);
        }


        for (Map.Entry<Class<?>, Class<?>> entry : sessionScoped.entrySet()) {
            sessionContainer.addComponent(entry.getKey(), entry.getValue());
        }


        registerComponentFactories(sessionContainer, componentFactoryRegistry.getSessionMap());


        sessionContainer.start();
        return sessionContainer;
    }

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          parentContainer = getSessionContainer(request);
        }


        logger.debug("Request components are {}", requestScoped);


        MutablePicoContainer requestContainer = new DefaultPicoContainer(new Caching(),
              new JavaEE5LifecycleStrategy(new NullComponentMonitor()), parentContainer);
        requestContainer.addComponent(HttpSession.class, request.getRequest().getSession());


        for (Map.Entry<Class<?>, Class<?>> entry : requestScoped.entrySet()) {
            requestContainer.addComponent(entry.getKey(), entry.getValue());
        }
        for (Map.Entry<Class<?>, Class<?>> entry : prototypeScoped.entrySet()) {
          requestContainer.as(Characteristics.NO_CACHE).addComponent(entry.getKey(), entry.getValue());
        }
        requestContainer.addComponent(request).addComponent(request.getRequest()).addComponent(request.getResponse());


        registerComponentFactories(requestContainer, componentFactoryRegistry.getRequestMap());


        return new PicoBasedContainer(requestContainer);
    }

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