Examples with BeanDefinitionHolder org.springframework.beans.factory.config.BeanDefinitionHolder used on opensource projects

Example 56 with BeanDefinitionHolder

use of org.springframework.beans.factory.config.BeanDefinitionHolder in project spring-framework by spring-projects.

the class BeanDefinitionParserDelegate method parsePropertySubElement.

/**
	 * Parse a value, ref or collection sub-element of a property or
	 * constructor-arg element.
	 * @param ele subelement of property element; we don't know which yet
	 * @param defaultValueType the default type (class name) for any
	 * {@code <value>} tag that might be created
	 */
public Object parsePropertySubElement(Element ele, BeanDefinition bd, String defaultValueType) {
    if (!isDefaultNamespace(ele)) {
        return parseNestedCustomElement(ele, bd);
    } else if (nodeNameEquals(ele, BEAN_ELEMENT)) {
        BeanDefinitionHolder nestedBd = parseBeanDefinitionElement(ele, bd);
        if (nestedBd != null) {
            nestedBd = decorateBeanDefinitionIfRequired(ele, nestedBd, bd);
        }
        return nestedBd;
    } else if (nodeNameEquals(ele, REF_ELEMENT)) {
        // A generic reference to any name of any bean.
        String refName = ele.getAttribute(BEAN_REF_ATTRIBUTE);
        boolean toParent = false;
        if (!StringUtils.hasLength(refName)) {
            // A reference to the id of another bean in a parent context.
            refName = ele.getAttribute(PARENT_REF_ATTRIBUTE);
            toParent = true;
            if (!StringUtils.hasLength(refName)) {
                error("'bean' or 'parent' is required for <ref> element", ele);
                return null;
            }
        }
        if (!StringUtils.hasText(refName)) {
            error("<ref> element contains empty target attribute", ele);
            return null;
        }
        RuntimeBeanReference ref = new RuntimeBeanReference(refName, toParent);
        ref.setSource(extractSource(ele));
        return ref;
    } else if (nodeNameEquals(ele, IDREF_ELEMENT)) {
        return parseIdRefElement(ele);
    } else if (nodeNameEquals(ele, VALUE_ELEMENT)) {
        return parseValueElement(ele, defaultValueType);
    } else if (nodeNameEquals(ele, NULL_ELEMENT)) {
        // It's a distinguished null value. Let's wrap it in a TypedStringValue
        // object in order to preserve the source location.
        TypedStringValue nullHolder = new TypedStringValue(null);
        nullHolder.setSource(extractSource(ele));
        return nullHolder;
    } else if (nodeNameEquals(ele, ARRAY_ELEMENT)) {
        return parseArrayElement(ele, bd);
    } else if (nodeNameEquals(ele, LIST_ELEMENT)) {
        return parseListElement(ele, bd);
    } else if (nodeNameEquals(ele, SET_ELEMENT)) {
        return parseSetElement(ele, bd);
    } else if (nodeNameEquals(ele, MAP_ELEMENT)) {
        return parseMapElement(ele, bd);
    } else if (nodeNameEquals(ele, PROPS_ELEMENT)) {
        return parsePropsElement(ele);
    } else {
        error("Unknown property sub-element: [" + ele.getNodeName() + "]", ele);
        return null;
    }
}

Example 57 with BeanDefinitionHolder

use of org.springframework.beans.factory.config.BeanDefinitionHolder in project spring-framework by spring-projects.

the class AbstractBeanFactory method getType.

@Override
public Class<?> getType(String name) throws NoSuchBeanDefinitionException {
    String beanName = transformedBeanName(name);
    // Check manually registered singletons.
    Object beanInstance = getSingleton(beanName, false);
    if (beanInstance != null) {
        if (beanInstance instanceof FactoryBean && !BeanFactoryUtils.isFactoryDereference(name)) {
            return getTypeForFactoryBean((FactoryBean<?>) beanInstance);
        } else {
            return beanInstance.getClass();
        }
    } else if (containsSingleton(beanName) && !containsBeanDefinition(beanName)) {
        // null instance registered
        return null;
    }
    // No singleton instance found -> check bean definition.
    BeanFactory parentBeanFactory = getParentBeanFactory();
    if (parentBeanFactory != null && !containsBeanDefinition(beanName)) {
        // No bean definition found in this factory -> delegate to parent.
        return parentBeanFactory.getType(originalBeanName(name));
    }
    RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);
    // Check decorated bean definition, if any: We assume it'll be easier
    // to determine the decorated bean's type than the proxy's type.
    BeanDefinitionHolder dbd = mbd.getDecoratedDefinition();
    if (dbd != null && !BeanFactoryUtils.isFactoryDereference(name)) {
        RootBeanDefinition tbd = getMergedBeanDefinition(dbd.getBeanName(), dbd.getBeanDefinition(), mbd);
        Class<?> targetClass = predictBeanType(dbd.getBeanName(), tbd);
        if (targetClass != null && !FactoryBean.class.isAssignableFrom(targetClass)) {
            return targetClass;
        }
    }
    Class<?> beanClass = predictBeanType(beanName, mbd);
    // Check bean class whether we're dealing with a FactoryBean.
    if (beanClass != null && FactoryBean.class.isAssignableFrom(beanClass)) {
        if (!BeanFactoryUtils.isFactoryDereference(name)) {
            // If it's a FactoryBean, we want to look at what it creates, not at the factory class.
            return getTypeForFactoryBean(beanName, mbd);
        } else {
            return beanClass;
        }
    } else {
        return (!BeanFactoryUtils.isFactoryDereference(name) ? beanClass : null);
    }
}

Example 58 with BeanDefinitionHolder

use of org.springframework.beans.factory.config.BeanDefinitionHolder in project dubbo by alibaba.

the class ServiceAnnotationBeanPostProcessor method findServiceBeanDefinitionHolders.

/**
 * Finds a {@link Set} of {@link BeanDefinitionHolder BeanDefinitionHolders} whose bean type annotated
 * {@link Service} Annotation.
 *
 * @param scanner       {@link ClassPathBeanDefinitionScanner}
 * @param packageToScan pachage to scan
 * @param registry      {@link BeanDefinitionRegistry}
 * @return non-null
 * @since 2.5.8
 */
private Set<BeanDefinitionHolder> findServiceBeanDefinitionHolders(ClassPathBeanDefinitionScanner scanner, String packageToScan, BeanDefinitionRegistry registry, BeanNameGenerator beanNameGenerator) {
    Set<BeanDefinition> beanDefinitions = scanner.findCandidateComponents(packageToScan);
    Set<BeanDefinitionHolder> beanDefinitionHolders = new LinkedHashSet<BeanDefinitionHolder>(beanDefinitions.size());
    for (BeanDefinition beanDefinition : beanDefinitions) {
        String beanName = beanNameGenerator.generateBeanName(beanDefinition, registry);
        BeanDefinitionHolder beanDefinitionHolder = new BeanDefinitionHolder(beanDefinition, beanName);
        beanDefinitionHolders.add(beanDefinitionHolder);
    }
    return beanDefinitionHolders;
}

Example 59 with BeanDefinitionHolder

use of org.springframework.beans.factory.config.BeanDefinitionHolder in project dubbo by alibaba.

the class DubboBeanDefinitionParser method parse.

@SuppressWarnings("unchecked")
private static BeanDefinition parse(Element element, ParserContext parserContext, Class<?> beanClass, boolean required) {
    RootBeanDefinition beanDefinition = new RootBeanDefinition();
    beanDefinition.setBeanClass(beanClass);
    beanDefinition.setLazyInit(false);
    String id = element.getAttribute("id");
    if ((id == null || id.length() == 0) && required) {
        String generatedBeanName = element.getAttribute("name");
        if (generatedBeanName == null || generatedBeanName.length() == 0) {
            if (ProtocolConfig.class.equals(beanClass)) {
                generatedBeanName = "dubbo";
            } else {
                generatedBeanName = element.getAttribute("interface");
            }
        }
        if (generatedBeanName == null || generatedBeanName.length() == 0) {
            generatedBeanName = beanClass.getName();
        }
        id = generatedBeanName;
        int counter = 2;
        while (parserContext.getRegistry().containsBeanDefinition(id)) {
            id = generatedBeanName + (counter++);
        }
    }
    if (id != null && id.length() > 0) {
        if (parserContext.getRegistry().containsBeanDefinition(id)) {
            throw new IllegalStateException("Duplicate spring bean id " + id);
        }
        parserContext.getRegistry().registerBeanDefinition(id, beanDefinition);
        beanDefinition.getPropertyValues().addPropertyValue("id", id);
    }
    if (ProtocolConfig.class.equals(beanClass)) {
        for (String name : parserContext.getRegistry().getBeanDefinitionNames()) {
            BeanDefinition definition = parserContext.getRegistry().getBeanDefinition(name);
            PropertyValue property = definition.getPropertyValues().getPropertyValue("protocol");
            if (property != null) {
                Object value = property.getValue();
                if (value instanceof ProtocolConfig && id.equals(((ProtocolConfig) value).getName())) {
                    definition.getPropertyValues().addPropertyValue("protocol", new RuntimeBeanReference(id));
                }
            }
        }
    } else if (ServiceBean.class.equals(beanClass)) {
        String className = element.getAttribute("class");
        if (className != null && className.length() > 0) {
            RootBeanDefinition classDefinition = new RootBeanDefinition();
            classDefinition.setBeanClass(ReflectUtils.forName(className));
            classDefinition.setLazyInit(false);
            parseProperties(element.getChildNodes(), classDefinition);
            beanDefinition.getPropertyValues().addPropertyValue("ref", new BeanDefinitionHolder(classDefinition, id + "Impl"));
        }
    } else if (ProviderConfig.class.equals(beanClass)) {
        parseNested(element, parserContext, ServiceBean.class, true, "service", "provider", id, beanDefinition);
    } else if (ConsumerConfig.class.equals(beanClass)) {
        parseNested(element, parserContext, ReferenceBean.class, false, "reference", "consumer", id, beanDefinition);
    }
    Set<String> props = new HashSet<String>();
    ManagedMap parameters = null;
    for (Method setter : beanClass.getMethods()) {
        String name = setter.getName();
        if (name.length() > 3 && name.startsWith("set") && Modifier.isPublic(setter.getModifiers()) && setter.getParameterTypes().length == 1) {
            Class<?> type = setter.getParameterTypes()[0];
            String property = StringUtils.camelToSplitName(name.substring(3, 4).toLowerCase() + name.substring(4), "-");
            props.add(property);
            Method getter = null;
            try {
                getter = beanClass.getMethod("get" + name.substring(3), new Class<?>[0]);
            } catch (NoSuchMethodException e) {
                try {
                    getter = beanClass.getMethod("is" + name.substring(3), new Class<?>[0]);
                } catch (NoSuchMethodException e2) {
                }
            }
            if (getter == null || !Modifier.isPublic(getter.getModifiers()) || !type.equals(getter.getReturnType())) {
                continue;
            }
            if ("parameters".equals(property)) {
                parameters = parseParameters(element.getChildNodes(), beanDefinition);
            } else if ("methods".equals(property)) {
                parseMethods(id, element.getChildNodes(), beanDefinition, parserContext);
            } else if ("arguments".equals(property)) {
                parseArguments(id, element.getChildNodes(), beanDefinition, parserContext);
            } else {
                String value = element.getAttribute(property);
                if (value != null) {
                    value = value.trim();
                    if (value.length() > 0) {
                        if ("registry".equals(property) && RegistryConfig.NO_AVAILABLE.equalsIgnoreCase(value)) {
                            RegistryConfig registryConfig = new RegistryConfig();
                            registryConfig.setAddress(RegistryConfig.NO_AVAILABLE);
                            beanDefinition.getPropertyValues().addPropertyValue(property, registryConfig);
                        } else if ("registry".equals(property) && value.indexOf(',') != -1) {
                            parseMultiRef("registries", value, beanDefinition, parserContext);
                        } else if ("provider".equals(property) && value.indexOf(',') != -1) {
                            parseMultiRef("providers", value, beanDefinition, parserContext);
                        } else if ("protocol".equals(property) && value.indexOf(',') != -1) {
                            parseMultiRef("protocols", value, beanDefinition, parserContext);
                        } else {
                            Object reference;
                            if (isPrimitive(type)) {
                                if ("async".equals(property) && "false".equals(value) || "timeout".equals(property) && "0".equals(value) || "delay".equals(property) && "0".equals(value) || "version".equals(property) && "0.0.0".equals(value) || "stat".equals(property) && "-1".equals(value) || "reliable".equals(property) && "false".equals(value)) {
                                    // backward compatibility for the default value in old version's xsd
                                    value = null;
                                }
                                reference = value;
                            } else if ("protocol".equals(property) && ExtensionLoader.getExtensionLoader(Protocol.class).hasExtension(value) && (!parserContext.getRegistry().containsBeanDefinition(value) || !ProtocolConfig.class.getName().equals(parserContext.getRegistry().getBeanDefinition(value).getBeanClassName()))) {
                                if ("dubbo:provider".equals(element.getTagName())) {
                                    logger.warn("Recommended replace <dubbo:provider protocol=\"" + value + "\" ... /> to <dubbo:protocol name=\"" + value + "\" ... />");
                                }
                                // backward compatibility
                                ProtocolConfig protocol = new ProtocolConfig();
                                protocol.setName(value);
                                reference = protocol;
                            } else if ("onreturn".equals(property)) {
                                int index = value.lastIndexOf(".");
                                String returnRef = value.substring(0, index);
                                String returnMethod = value.substring(index + 1);
                                reference = new RuntimeBeanReference(returnRef);
                                beanDefinition.getPropertyValues().addPropertyValue("onreturnMethod", returnMethod);
                            } else if ("onthrow".equals(property)) {
                                int index = value.lastIndexOf(".");
                                String throwRef = value.substring(0, index);
                                String throwMethod = value.substring(index + 1);
                                reference = new RuntimeBeanReference(throwRef);
                                beanDefinition.getPropertyValues().addPropertyValue("onthrowMethod", throwMethod);
                            } else if ("oninvoke".equals(property)) {
                                int index = value.lastIndexOf(".");
                                String invokeRef = value.substring(0, index);
                                String invokeRefMethod = value.substring(index + 1);
                                reference = new RuntimeBeanReference(invokeRef);
                                beanDefinition.getPropertyValues().addPropertyValue("oninvokeMethod", invokeRefMethod);
                            } else {
                                if ("ref".equals(property) && parserContext.getRegistry().containsBeanDefinition(value)) {
                                    BeanDefinition refBean = parserContext.getRegistry().getBeanDefinition(value);
                                    if (!refBean.isSingleton()) {
                                        throw new IllegalStateException("The exported service ref " + value + " must be singleton! Please set the " + value + " bean scope to singleton, eg: <bean id=\"" + value + "\" scope=\"singleton\" ...>");
                                    }
                                }
                                reference = new RuntimeBeanReference(value);
                            }
                            beanDefinition.getPropertyValues().addPropertyValue(property, reference);
                        }
                    }
                }
            }
        }
    }
    NamedNodeMap attributes = element.getAttributes();
    int len = attributes.getLength();
    for (int i = 0; i < len; i++) {
        Node node = attributes.item(i);
        String name = node.getLocalName();
        if (!props.contains(name)) {
            if (parameters == null) {
                parameters = new ManagedMap();
            }
            String value = node.getNodeValue();
            parameters.put(name, new TypedStringValue(value, String.class));
        }
    }
    if (parameters != null) {
        beanDefinition.getPropertyValues().addPropertyValue("parameters", parameters);
    }
    return beanDefinition;
}

Example 60 with BeanDefinitionHolder

use of org.springframework.beans.factory.config.BeanDefinitionHolder in project spring-integration by spring-projects.

the class IntegrationNamespaceUtils method parseInnerHandlerDefinition.

public static BeanComponentDefinition parseInnerHandlerDefinition(Element element, ParserContext parserContext) {
    // parses out the inner bean definition for concrete implementation if defined
    List<Element> childElements = DomUtils.getChildElementsByTagName(element, "bean");
    BeanComponentDefinition innerComponentDefinition = null;
    if (childElements != null && childElements.size() == 1) {
        Element beanElement = childElements.get(0);
        BeanDefinitionParserDelegate delegate = parserContext.getDelegate();
        BeanDefinitionHolder bdHolder = delegate.parseBeanDefinitionElement(beanElement);
        bdHolder = delegate.decorateBeanDefinitionIfRequired(beanElement, bdHolder);
        BeanDefinition inDef = bdHolder.getBeanDefinition();
        innerComponentDefinition = new BeanComponentDefinition(inDef, bdHolder.getBeanName());
    }
    String ref = element.getAttribute(REF_ATTRIBUTE);
    if (StringUtils.hasText(ref) && innerComponentDefinition != null) {
        parserContext.getReaderContext().error("Ambiguous definition. Inner bean " + (innerComponentDefinition.getBeanDefinition().getBeanClassName()) + " declaration and \"ref\" " + ref + " are not allowed together on element " + IntegrationNamespaceUtils.createElementDescription(element) + ".", parserContext.extractSource(element));
    }
    return innerComponentDefinition;
}