Package org.picocontainer.monitors

Class ConsoleComponentMonitor

  • All Implemented Interfaces:
    java.io.Serializable, ComponentMonitor
    public class ConsoleComponentMonitor
extends java.lang.Object
implements ComponentMonitor, java.io.Serializable
    A ComponentMonitor which writes to a OutputStream. This is typically used to write to a console. (TODO After serialization, the output printstream is null)
    Author:
    Paul Hammant, Aslak Hellesøy, Mauro Talevi
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      ConsoleComponentMonitor()
      Constructs a console component monitor that sends output to System.out.
      ConsoleComponentMonitor​(java.io.OutputStream out)
      Constructs a console component monitor that sends output to the specified output stream.
      ConsoleComponentMonitor​(java.io.OutputStream out, ComponentMonitor delegate)
      Constructs a console component monitor chain that sends output to the specified output stream and then sends all events to the delegate component monitor.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      <T> void instantiated​(PicoContainer container, ComponentAdapter<T> componentAdapter, java.lang.reflect.Constructor<T> constructor, java.lang.Object instantiated, java.lang.Object[] parameters, long duration)
      Event thrown after the component has been instantiated using the given constructor.
      <T> java.lang.reflect.Constructor<T> instantiating​(PicoContainer container, ComponentAdapter<T> componentAdapter, java.lang.reflect.Constructor<T> constructor)
      Event thrown as the component is being instantiated using the given constructor
      <T> void instantiationFailed​(PicoContainer container, ComponentAdapter<T> componentAdapter, java.lang.reflect.Constructor<T> constructor, java.lang.Exception cause)
      Event thrown if the component instantiation failed using the given constructor
      void invocationFailed​(java.lang.reflect.Member member, java.lang.Object instance, java.lang.Exception cause)
      Event thrown if the component method invocation failed on the given instance
      void invoked​(PicoContainer container, ComponentAdapter<?> componentAdapter, java.lang.reflect.Member member, java.lang.Object instance, long duration, java.lang.Object[] args, java.lang.Object retVal)
      Event thrown after the component method has been invoked on the given instance
      java.lang.Object invoking​(PicoContainer container, ComponentAdapter<?> componentAdapter, java.lang.reflect.Member member, java.lang.Object instance, java.lang.Object[] args)
      Event thrown as the component method is being invoked on the given instance
      void lifecycleInvocationFailed​(MutablePicoContainer container, ComponentAdapter<?> componentAdapter, java.lang.reflect.Method method, java.lang.Object instance, java.lang.RuntimeException cause)
      Event thrown if a lifecycle method invocation - start, stop or dispose - failed on the given instance
      Behavior newBehavior​(Behavior behavior)
      A mechanism to monitor or override the Behaviors being made for components.
      Injector newInjector​(Injector injector)
      A mechanism to monitor or override the Injectors being made for components.
      java.lang.Object noComponentFound​(MutablePicoContainer container, java.lang.Object componentKey)
      No Component has been found for the key in question.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • ConsoleComponentMonitor

        public ConsoleComponentMonitor()
        Constructs a console component monitor that sends output to System.out.

      • ConsoleComponentMonitor

        public ConsoleComponentMonitor​(java.io.OutputStream out)
        Constructs a console component monitor that sends output to the specified output stream.
        Parameters:
        out - the designated output stream. Options include System.out, Socket streams, File streams, etc.

      • ConsoleComponentMonitor

        public ConsoleComponentMonitor​(java.io.OutputStream out,
                               ComponentMonitor delegate)
        Constructs a console component monitor chain that sends output to the specified output stream and then sends all events to the delegate component monitor.
        Parameters:
        out - the output stream of choice.
        delegate - the next monitor in the component monitor chain to receive event information.

    • Method Detail

      • instantiating

        public <T> java.lang.reflect.Constructor<T> instantiating​(PicoContainer container,
                                                          ComponentAdapter<T> componentAdapter,
                                                          java.lang.reflect.Constructor<T> constructor)
        Description copied from interface: ComponentMonitor
        Event thrown as the component is being instantiated using the given constructor
        Specified by:
        instantiating in interface ComponentMonitor
        constructor - the Constructor used to instantiate the addComponent @return the constructor to use in instantiation (nearly always the same one as passed in)

      • instantiated

        public <T> void instantiated​(PicoContainer container,
                             ComponentAdapter<T> componentAdapter,
                             java.lang.reflect.Constructor<T> constructor,
                             java.lang.Object instantiated,
                             java.lang.Object[] parameters,
                             long duration)
        Description copied from interface: ComponentMonitor
        Event thrown after the component has been instantiated using the given constructor. This should be called for both Constructor and Setter DI.
        Specified by:
        instantiated in interface ComponentMonitor
        constructor - the Constructor used to instantiate the addComponent
        instantiated - the component that was instantiated by PicoContainer
        parameters - the components during instantiation.
        duration - the duration in milliseconds of the instantiation

      • instantiationFailed

        public <T> void instantiationFailed​(PicoContainer container,
                                    ComponentAdapter<T> componentAdapter,
                                    java.lang.reflect.Constructor<T> constructor,
                                    java.lang.Exception cause)
        Description copied from interface: ComponentMonitor
        Event thrown if the component instantiation failed using the given constructor
        Specified by:
        instantiationFailed in interface ComponentMonitor
        constructor - the Constructor used to instantiate the addComponent
        cause - the Exception detailing the cause of the failure

      • invoking

        public java.lang.Object invoking​(PicoContainer container,
                                 ComponentAdapter<?> componentAdapter,
                                 java.lang.reflect.Member member,
                                 java.lang.Object instance,
                                 java.lang.Object[] args)
        Description copied from interface: ComponentMonitor
        Event thrown as the component method is being invoked on the given instance
        Specified by:
        invoking in interface ComponentMonitor
        instance - the component instance

      • invoked

        public void invoked​(PicoContainer container,
                    ComponentAdapter<?> componentAdapter,
                    java.lang.reflect.Member member,
                    java.lang.Object instance,
                    long duration,
                    java.lang.Object[] args,
                    java.lang.Object retVal)
        Description copied from interface: ComponentMonitor
        Event thrown after the component method has been invoked on the given instance
        Specified by:
        invoked in interface ComponentMonitor
        instance - the component instance

      • invocationFailed

        public void invocationFailed​(java.lang.reflect.Member member,
                             java.lang.Object instance,
                             java.lang.Exception cause)
        Description copied from interface: ComponentMonitor
        Event thrown if the component method invocation failed on the given instance
        Specified by:
        invocationFailed in interface ComponentMonitor
        instance - the component instance
        cause - the Exception detailing the cause of the failure

      • lifecycleInvocationFailed

        public void lifecycleInvocationFailed​(MutablePicoContainer container,
                                      ComponentAdapter<?> componentAdapter,
                                      java.lang.reflect.Method method,
                                      java.lang.Object instance,
                                      java.lang.RuntimeException cause)
        Description copied from interface: ComponentMonitor
        Event thrown if a lifecycle method invocation - start, stop or dispose - failed on the given instance
        Specified by:
        lifecycleInvocationFailed in interface ComponentMonitor
        method - the lifecycle Method invoked on the component instance
        instance - the component instance
        cause - the RuntimeException detailing the cause of the failure

      • noComponentFound

        public java.lang.Object noComponentFound​(MutablePicoContainer container,
                                         java.lang.Object componentKey)
        Description copied from interface: ComponentMonitor
        No Component has been found for the key in question. Implementers of this have a last chance opportunity to specify something for the need. This is only relevant to component dependencies, and not to container.getComponent() in your user code.
        Specified by:
        noComponentFound in interface ComponentMonitor

      • newInjector

        public Injector newInjector​(Injector injector)
        Description copied from interface: ComponentMonitor
        A mechanism to monitor or override the Injectors being made for components.
        Specified by:
        newInjector in interface ComponentMonitor
        Returns:
        an Injector. For most implementations, the same one as was passed in.

      • newBehavior

        public Behavior newBehavior​(Behavior behavior)
        A mechanism to monitor or override the Behaviors being made for components.
        Specified by:
        newBehavior in interface ComponentMonitor
        Returns:
        an Behavior. For most implementations, the same one as was passed in.