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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
DefaultComponentFactory.java | 100% | 83.3% | 100% | 88.2% |
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/*****************************************************************************
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* Copyright (Cc) PicoContainer Organization. All rights reserved. *
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* ------------------------------------------------------------------------- *
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* The software in this package is published under the terms of the BSD *
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* style license a copy of which has been included with this distribution in *
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* the license.html file. *
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* *
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* Idea by Rachel Davies, Original code by Aslak Hellesoy and Paul Hammant *
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*****************************************************************************/
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package picocontainer.defaults;
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import picocontainer.ComponentFactory;
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import picocontainer.PicoIntrospectionException;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.InvocationTargetException;
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/**
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* CompoentFactory that supports IoC type 3, which is constructor based.
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*
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* @author Aslak Hellesoy
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* @version $Revision: 1.8 $
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*/
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public class DefaultComponentFactory implements ComponentFactory { |
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public Object createComponent(Class componentType, Class componentImplementation, Class[] dependencies, Object[] instanceDependencies) throws PicoInvocationTargetInitializationException, WrongNumberOfConstructorsException { |
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try {
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Constructor constructor = getConstructor(componentImplementation); |
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return constructor.newInstance(instanceDependencies);
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} catch (InvocationTargetException e) {
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throw new PicoInvocationTargetInitializationException(e.getCause()); |
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} catch (InstantiationException e) {
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throw new RuntimeException(e); |
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} catch (IllegalAccessException e) {
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throw new RuntimeException(e); |
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} |
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} |
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public Class[] getDependencies(Class componentImplementation) throws PicoIntrospectionException { |
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Constructor constructor = getConstructor(componentImplementation); |
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return constructor.getParameterTypes();
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} |
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private Constructor getConstructor(Class componentImplementation) throws WrongNumberOfConstructorsException { |
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Constructor[] constructors = componentImplementation.getConstructors(); |
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if (constructors.length != 1) {
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throw new WrongNumberOfConstructorsException(constructors.length); |
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} |
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// Get the sole constructor
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return componentImplementation.getConstructors()[0];
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} |
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} |
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