Examples with Recipe org.apache.aries.blueprint.di.Recipe used on opensource projects

Example 11 with Recipe

use of org.apache.aries.blueprint.di.Recipe in project aries by apache.

the class BeanRecipe method setProperty.

private void setProperty(Object instance, Class clazz, String propertyName, Object propertyValue) {
    String[] names = propertyName.split("\\.");
    for (int i = 0; i < names.length - 1; i++) {
        PropertyDescriptor pd = getPropertyDescriptor(clazz, names[i]);
        if (pd.allowsGet()) {
            try {
                instance = pd.get(instance, blueprintContainer);
            } catch (Exception e) {
                throw new ComponentDefinitionException("Error getting property: " + names[i] + " on bean " + getName() + " when setting property " + propertyName + " on class " + clazz.getName(), getRealCause(e));
            }
            if (instance == null) {
                throw new ComponentDefinitionException("Error setting compound property " + propertyName + " on bean " + getName() + ". Property " + names[i] + " is null");
            }
            clazz = instance.getClass();
        } else {
            throw new ComponentDefinitionException("No getter for " + names[i] + " property on bean " + getName() + " when setting property " + propertyName + " on class " + clazz.getName());
        }
    }
    // Instantiate value
    if (propertyValue instanceof Recipe) {
        propertyValue = ((Recipe) propertyValue).create();
    }
    final PropertyDescriptor pd = getPropertyDescriptor(clazz, names[names.length - 1]);
    if (pd.allowsSet()) {
        try {
            pd.set(instance, propertyValue, blueprintContainer);
        } catch (Exception e) {
            throw new ComponentDefinitionException("Error setting property: " + pd, getRealCause(e));
        }
    } else {
        throw new ComponentDefinitionException("No setter for " + names[names.length - 1] + " property");
    }
}

Example 12 with Recipe

use of org.apache.aries.blueprint.di.Recipe in project aries by apache.

the class BeanRecipe method getInstance.

private Object getInstance() throws ComponentDefinitionException {
    Object instance;
    // Instanciate arguments
    List<Object> args = new ArrayList<Object>();
    List<ReifiedType> argTypes = new ArrayList<ReifiedType>();
    if (arguments != null) {
        for (int i = 0; i < arguments.size(); i++) {
            Object arg = arguments.get(i);
            if (arg instanceof Recipe) {
                args.add(((Recipe) arg).create());
            } else {
                args.add(arg);
            }
            if (this.argTypes != null) {
                argTypes.add(this.argTypes.get(i) != null ? loadType(this.argTypes.get(i)) : null);
            }
        }
    }
    if (factory != null) {
        // look for instance method on factory object
        Object factoryObj = factory.create();
        /* BLUEPRINT-NOOSGI
            if (factoryObj instanceof ReferenceRecipe.ServiceProxyWrapper) {
                try {
                    factoryObj = ((ReferenceRecipe.ServiceProxyWrapper) factoryObj).convert(new ReifiedType(Object.class));
                } catch (Exception e) {
                    throw new ComponentDefinitionException("Error when instantiating bean " + getName() + " of class " + getType(), getRealCause(e));
                }
            } else*/
        if (factoryObj instanceof UnwrapperedBeanHolder) {
            factoryObj = wrap((UnwrapperedBeanHolder) factoryObj, Object.class);
        }
        // Map of matching methods
        Map<Method, List<Object>> matches = findMatchingMethods(factoryObj.getClass(), factoryMethod, true, args, argTypes);
        if (matches.size() == 1) {
            try {
                Map.Entry<Method, List<Object>> match = matches.entrySet().iterator().next();
                instance = invoke(match.getKey(), factoryObj, match.getValue().toArray());
            } catch (Throwable e) {
                throw new ComponentDefinitionException("Error when instantiating bean " + getName() + " of class " + getType(), getRealCause(e));
            }
        } else if (matches.size() == 0) {
            throw new ComponentDefinitionException("Unable to find a matching factory method " + factoryMethod + " on class " + factoryObj.getClass().getName() + " for arguments " + args + " when instanciating bean " + getName());
        } else {
            throw new ComponentDefinitionException("Multiple matching factory methods " + factoryMethod + " found on class " + factoryObj.getClass().getName() + " for arguments " + args + " when instanciating bean " + getName() + ": " + matches.keySet());
        }
    } else if (factoryMethod != null) {
        // Map of matching methods
        Map<Method, List<Object>> matches = findMatchingMethods(getType(), factoryMethod, false, args, argTypes);
        if (matches.size() == 1) {
            try {
                Map.Entry<Method, List<Object>> match = matches.entrySet().iterator().next();
                instance = invoke(match.getKey(), null, match.getValue().toArray());
            } catch (Throwable e) {
                throw new ComponentDefinitionException("Error when instanciating bean " + getName() + " of class " + getType(), getRealCause(e));
            }
        } else if (matches.size() == 0) {
            throw new ComponentDefinitionException("Unable to find a matching factory method " + factoryMethod + " on class " + getType().getName() + " for arguments " + args + " when instanciating bean " + getName());
        } else {
            throw new ComponentDefinitionException("Multiple matching factory methods " + factoryMethod + " found on class " + getType().getName() + " for arguments " + args + " when instanciating bean " + getName() + ": " + matches.keySet());
        }
    } else {
        if (getType() == null) {
            throw new ComponentDefinitionException("No factoryMethod nor class is defined for this bean");
        }
        // Map of matching constructors
        Map<Constructor, List<Object>> matches = findMatchingConstructors(getType(), args, argTypes);
        if (matches.size() == 1) {
            try {
                Map.Entry<Constructor, List<Object>> match = matches.entrySet().iterator().next();
                instance = newInstance(match.getKey(), match.getValue().toArray());
            } catch (Throwable e) {
                throw new ComponentDefinitionException("Error when instanciating bean " + getName() + " of class " + getType(), getRealCause(e));
            }
        } else if (matches.size() == 0) {
            throw new ComponentDefinitionException("Unable to find a matching constructor on class " + getType().getName() + " for arguments " + args + " when instanciating bean " + getName());
        } else {
            throw new ComponentDefinitionException("Multiple matching constructors found on class " + getType().getName() + " for arguments " + args + " when instanciating bean " + getName() + ": " + matches.keySet());
        }
    }
    return instance;
}

Example 13 with Recipe

use of org.apache.aries.blueprint.di.Recipe in project aries by apache.

the class ReflectionUtilsTest method before.

@BeforeClass
public static void before() throws ClassNotFoundException {
    mockBlueprint = EasyMock.createNiceMock(ExtendedBlueprintContainer.class);
    final Capture<String> nameCapture = new Capture<String>();
    EasyMock.expect(mockBlueprint.loadClass(EasyMock.capture(nameCapture))).andAnswer(new IAnswer<Class<?>>() {

        public Class<?> answer() throws Throwable {
            return Thread.currentThread().getContextClassLoader().loadClass(nameCapture.getValue());
        }
    });
    EasyMock.replay(mockBlueprint);
    ExecutionContext.Holder.setContext(new ExecutionContext() {

        public void addPartialObject(String name, Object object) {
        }

        public boolean containsObject(String name) {
            return false;
        }

        public Object convert(Object value, ReifiedType type) throws Exception {
            if (type.getRawClass().equals(Inconvertible.class))
                throw new Exception();
            else if (type.getRawClass().equals(String.class))
                return String.valueOf(value);
            else if (type.getRawClass().equals(List.class)) {
                if (value == null)
                    return null;
                else if (value instanceof Collection)
                    return new ArrayList((Collection) value);
                else
                    throw new Exception();
            } else if (value == null)
                return null;
            else if (type.getRawClass().isInstance(value))
                return value;
            else
                throw new Exception();
        }

        public boolean canConvert(Object value, ReifiedType type) {
            if (value instanceof Inconvertible)
                return false;
            else if (type.getRawClass().equals(String.class))
                return true;
            else if (type.getRawClass().equals(List.class) && (value == null || value instanceof Collection))
                return true;
            else
                return false;
        }

        public Object getObject(String name) {
            return null;
        }

        public Object getPartialObject(String name) {
            return null;
        }

        public Recipe getRecipe(String name) {
            return null;
        }

        public Class loadClass(String className) throws ClassNotFoundException {
            return null;
        }

        public Recipe pop() {
            return null;
        }

        public void push(Recipe recipe) throws CircularDependencyException {
        }

        public void removePartialObject(String name) {
        }

        public Future<Object> addFullObject(String name, Future<Object> object) {
            return null;
        }
    });
}

Example 14 with Recipe

use of org.apache.aries.blueprint.di.Recipe in project aries by apache.

the class RecipeBuilder method createBeanRecipe.

private BeanRecipe createBeanRecipe(BeanMetadata beanMetadata) {
    BeanRecipe recipe = new BeanRecipe(getName(beanMetadata.getId()), blueprintContainer, getBeanClass(beanMetadata), allowsFieldInjection(beanMetadata));
    // Create refs for explicit dependencies
    recipe.setExplicitDependencies(getDependencies(beanMetadata));
    recipe.setPrototype(MetadataUtil.isPrototypeScope(beanMetadata) || MetadataUtil.isCustomScope(beanMetadata));
    recipe.setInitMethod(beanMetadata.getInitMethod());
    recipe.setDestroyMethod(beanMetadata.getDestroyMethod());
    recipe.setInterceptorLookupKey(beanMetadata);
    List<BeanArgument> beanArguments = beanMetadata.getArguments();
    if (beanArguments != null && !beanArguments.isEmpty()) {
        boolean hasIndex = (beanArguments.get(0).getIndex() >= 0);
        if (hasIndex) {
            List<BeanArgument> beanArgumentsCopy = new ArrayList<BeanArgument>(beanArguments);
            Collections.sort(beanArgumentsCopy, MetadataUtil.BEAN_COMPARATOR);
            beanArguments = beanArgumentsCopy;
        }
        List<Object> arguments = new ArrayList<Object>();
        List<String> argTypes = new ArrayList<String>();
        for (BeanArgument argument : beanArguments) {
            Recipe value = getValue(argument.getValue(), null);
            arguments.add(value);
            argTypes.add(argument.getValueType());
        }
        recipe.setArguments(arguments);
        recipe.setArgTypes(argTypes);
        recipe.setReorderArguments(!hasIndex);
    }
    recipe.setFactoryMethod(beanMetadata.getFactoryMethod());
    if (beanMetadata.getFactoryComponent() != null) {
        recipe.setFactoryComponent(getValue(beanMetadata.getFactoryComponent(), null));
    }
    for (BeanProperty property : beanMetadata.getProperties()) {
        Recipe value = getValue(property.getValue(), null);
        recipe.setProperty(property.getName(), value);
    }
    return recipe;
}

Example 15 with Recipe

use of org.apache.aries.blueprint.di.Recipe in project aries by apache.

the class ReferenceListRecipe method internalCreate.

@Override
protected Object internalCreate() throws ComponentDefinitionException {
    try {
        if (explicitDependencies != null) {
            for (Recipe recipe : explicitDependencies) {
                recipe.create();
            }
        }
        ProvidedObject object = new ProvidedObject();
        addPartialObject(object);
        // Handle initial references
        createListeners();
        updateListeners();
        return object;
    } catch (ComponentDefinitionException t) {
        throw t;
    } catch (Throwable t) {
        throw new ComponentDefinitionException(t);
    }
}