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package org.jbehave.core.steps.needle; |
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import java.lang.annotation.Annotation; |
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import java.lang.reflect.Method; |
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import java.lang.reflect.Type; |
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import java.util.ArrayList; |
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import java.util.LinkedHashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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import org.jbehave.core.annotations.AsParameterConverter; |
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import org.jbehave.core.configuration.Configuration; |
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import org.jbehave.core.configuration.MostUsefulConfiguration; |
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import org.jbehave.core.steps.AbstractStepsFactory; |
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import org.jbehave.core.steps.CandidateSteps; |
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import org.jbehave.core.steps.InjectableStepsFactory; |
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import org.jbehave.core.steps.ParameterConverters.MethodReturningConverter; |
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import org.jbehave.core.steps.ParameterConverters.ParameterConverter; |
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import org.jbehave.core.steps.Steps; |
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import org.jbehave.core.steps.needle.configuration.CollectInjectionProvidersFromStepsInstance; |
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import org.jbehave.core.steps.needle.configuration.CreateInstanceByDefaultConstructor; |
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import org.jbehave.core.steps.needle.configuration.JBehaveNeedleConfiguration; |
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import de.akquinet.jbosscc.needle.NeedleTestcase; |
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import de.akquinet.jbosscc.needle.injection.InjectionProvider; |
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import de.akquinet.jbosscc.needle.reflection.ReflectionUtil; |
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public class NeedleStepsFactory extends NeedleTestcase implements InjectableStepsFactory { |
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37 | 9 | private final Map<Class<?>, Object> cachedTypeInstances = new LinkedHashMap<Class<?>, Object>(); |
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private final Configuration configuration; |
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private Class<?>[] steps; |
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public NeedleStepsFactory(final Configuration configuration, final Class<?>... steps) { |
50 | 2 | this(configuration, null, steps); |
51 | 2 | } |
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public NeedleStepsFactory(final Configuration configuration, final Set<InjectionProvider<?>> injectionProviders, final Class<?>... steps) { |
63 | 9 | super(setUpInjectionProviders(JBehaveNeedleConfiguration.RESOURCE_JBEHAVE_NEEDLE)); |
64 | 9 | if (injectionProviders != null) { |
65 | 7 | addInjectionProvider(toArray(injectionProviders)); |
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} |
67 | 9 | if (this.configuration == null) { |
68 | 9 | this.configuration = new MostUsefulConfiguration(); |
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} else { |
70 | 0 | this.configuration = configuration; |
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} |
72 | 9 | this.steps = steps; |
73 | 9 | } |
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public List<CandidateSteps> createCandidateSteps() { |
79 | 9 | final List<CandidateSteps> result = new ArrayList<CandidateSteps>(); |
80 | 16 | for (final Class<?> type : steps) { |
81 | 7 | if (hasAnnotatedMethods(type)) { |
82 | 7 | configuration.parameterConverters().addConverters(methodReturningConverters(type)); |
83 | 7 | result.add(new Steps(configuration, type, this)); |
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} |
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} |
86 | 9 | return result; |
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} |
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public Object createInstanceOfType(final Class<?> type) { |
90 | 8 | final Object instance = cachedTypeInstances.get(type); |
91 | 8 | if (instance == null) { |
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try { |
93 | 7 | final Object stepsInstance = createInstanceUsingNeedleTestCase(type); |
94 | 7 | final InjectionProvider<?>[] foundProviders = CollectInjectionProvidersFromStepsInstance.INSTANCE.apply(stepsInstance); |
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96 | 7 | addInjectionProvider(foundProviders); |
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98 | 7 | initTestcase(stepsInstance); |
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100 | 7 | cachedTypeInstances.put(type, stepsInstance); |
101 | 7 | return stepsInstance; |
102 | 0 | } catch (final Exception e) { |
103 | 0 | throw new IllegalStateException(e); |
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} |
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} |
106 | 1 | return instance; |
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} |
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private Object createInstanceUsingNeedleTestCase(final Class<?> type) throws IllegalStateException { |
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try { |
118 | 7 | Object instance = ReflectionUtil.invokeMethod(this, "getInstanceByConstructorInjection", type); |
119 | 7 | if (instance == null) { |
120 | 7 | instance = CreateInstanceByDefaultConstructor.INSTANCE.apply(type); |
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} |
122 | 7 | if (instance == null) { |
123 | 0 | throw new IllegalStateException("failed to create instance of type " + type.getCanonicalName()); |
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} |
125 | 7 | return instance; |
126 | 0 | } catch (final Exception e) { |
127 | 0 | throw new IllegalStateException(e); |
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} |
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} |
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private List<ParameterConverter> methodReturningConverters(final Class<?> type) { |
137 | 7 | final List<ParameterConverter> converters = new ArrayList<ParameterConverter>(); |
138 | 80 | for (final Method method : type.getMethods()) { |
139 | 73 | if (method.isAnnotationPresent(AsParameterConverter.class)) { |
140 | 0 | converters.add(new MethodReturningConverter(method, type, this)); |
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} |
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} |
143 | 7 | return converters; |
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} |
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public void addInjectionProviders(final Set<InjectionProvider<?>> providers) { |
152 | 0 | if (providers != null) { |
153 | 0 | addInjectionProvider(toArray(providers)); |
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} |
155 | 0 | } |
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static boolean hasAnnotatedMethods(final Type type) { |
166 | 7 | if (type instanceof Class<?>) { |
167 | 10 | for (final Method method : ((Class<?>)type).getMethods()) { |
168 | 10 | for (final Annotation annotation : method.getAnnotations()) { |
169 | 7 | if (annotation.annotationType().getName().startsWith("org.jbehave.core.annotations")) { |
170 | 7 | return true; |
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} |
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} |
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} |
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} |
175 | 0 | return false; |
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} |
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static InjectionProvider<?>[] setUpInjectionProviders(final String resourceName) { |
185 | 9 | return new JBehaveNeedleConfiguration(resourceName).getInjectionProviders(); |
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} |
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static InjectionProvider<?>[] toArray(final Set<InjectionProvider<?>> injectionProviders) { |
195 | 7 | return injectionProviders.toArray(new InjectionProvider<?>[injectionProviders.size()]); |
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} |
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} |