Example usage for org.springframework.beans.factory.groovy GroovyBeanDefinitionWrapper GroovyBeanDefinitionWrapper

Introduction

In this page you can find the example usage for org.springframework.beans.factory.groovy GroovyBeanDefinitionWrapper GroovyBeanDefinitionWrapper.

Prototype

public GroovyBeanDefinitionWrapper(String beanName, Class<?> clazz, Collection<?> constructorArgs) 

Source Link

Usage

From source file:org.springframework.beans.factory.groovy.GroovyBeanDefinitionReader.java

/**
 * Define an inner bean definition./* ww  w.  jav a2  s  .  c o m*/
 * @param type the bean type
 * @param args the constructors arguments and closure configurer
 * @return the bean definition
 */
public AbstractBeanDefinition bean(Class<?> type, Object... args) {
    GroovyBeanDefinitionWrapper current = this.currentBeanDefinition;
    try {
        Closure callable = null;
        Collection constructorArgs = null;
        if (!ObjectUtils.isEmpty(args)) {
            int index = args.length;
            Object lastArg = args[index - 1];
            if (lastArg instanceof Closure) {
                callable = (Closure) lastArg;
                index--;
            }
            if (index > -1) {
                constructorArgs = resolveConstructorArguments(args, 0, index);
            }
        }
        this.currentBeanDefinition = new GroovyBeanDefinitionWrapper(null, type, constructorArgs);
        if (callable != null) {
            callable.call(this.currentBeanDefinition);
        }
        return this.currentBeanDefinition.getBeanDefinition();

    } finally {
        this.currentBeanDefinition = current;
    }
}

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From source file:org.springframework.beans.factory.groovy.GroovyBeanDefinitionReader.java

/**
 * This method is called when a bean definition node is called.
 * @param beanName the name of the bean to define
 * @param args the arguments to the bean. The first argument is the class name, the last
 * argument is sometimes a closure. All the arguments in between are constructor arguments.
 * @return the bean definition wrapper/*  w w  w .jav  a2  s.  c  o m*/
 */
private GroovyBeanDefinitionWrapper invokeBeanDefiningMethod(String beanName, Object[] args) {
    boolean hasClosureArgument = (args[args.length - 1] instanceof Closure);
    if (args[0] instanceof Class) {
        Class<?> beanClass = (Class<?>) args[0];
        if (hasClosureArgument) {
            if (args.length - 1 != 1) {
                this.currentBeanDefinition = new GroovyBeanDefinitionWrapper(beanName, beanClass,
                        resolveConstructorArguments(args, 1, args.length - 1));
            } else {
                this.currentBeanDefinition = new GroovyBeanDefinitionWrapper(beanName, beanClass);
            }
        } else {
            this.currentBeanDefinition = new GroovyBeanDefinitionWrapper(beanName, beanClass,
                    resolveConstructorArguments(args, 1, args.length));
        }
    } else if (args[0] instanceof RuntimeBeanReference) {
        this.currentBeanDefinition = new GroovyBeanDefinitionWrapper(beanName);
        this.currentBeanDefinition.getBeanDefinition()
                .setFactoryBeanName(((RuntimeBeanReference) args[0]).getBeanName());
    } else if (args[0] instanceof Map) {
        // named constructor arguments
        if (args.length > 1 && args[1] instanceof Class) {
            List constructorArgs = resolveConstructorArguments(args, 2,
                    hasClosureArgument ? args.length - 1 : args.length);
            this.currentBeanDefinition = new GroovyBeanDefinitionWrapper(beanName, (Class) args[1],
                    constructorArgs);
            Map namedArgs = (Map) args[0];
            for (Object o : namedArgs.keySet()) {
                String propName = (String) o;
                setProperty(propName, namedArgs.get(propName));
            }
        }
        // factory method syntax
        else {
            this.currentBeanDefinition = new GroovyBeanDefinitionWrapper(beanName);
            //First arg is the map containing factoryBean : factoryMethod
            Map.Entry factoryBeanEntry = (Map.Entry) ((Map) args[0]).entrySet().iterator().next();
            // If we have a closure body, that will be the last argument.
            // In between are the constructor args
            int constructorArgsTest = hasClosureArgument ? 2 : 1;
            // If we have more than this number of args, we have constructor args
            if (args.length > constructorArgsTest) {
                // factory-method requires args
                int endOfConstructArgs = (hasClosureArgument ? args.length - 1 : args.length);
                this.currentBeanDefinition = new GroovyBeanDefinitionWrapper(beanName, null,
                        resolveConstructorArguments(args, 1, endOfConstructArgs));
            } else {
                this.currentBeanDefinition = new GroovyBeanDefinitionWrapper(beanName);
            }
            this.currentBeanDefinition.getBeanDefinition()
                    .setFactoryBeanName(factoryBeanEntry.getKey().toString());
            this.currentBeanDefinition.getBeanDefinition()
                    .setFactoryMethodName(factoryBeanEntry.getValue().toString());
        }

    } else if (args[0] instanceof Closure) {
        this.currentBeanDefinition = new GroovyBeanDefinitionWrapper(beanName);
        this.currentBeanDefinition.getBeanDefinition().setAbstract(true);
    } else {
        List constructorArgs = resolveConstructorArguments(args, 0,
                hasClosureArgument ? args.length - 1 : args.length);
        currentBeanDefinition = new GroovyBeanDefinitionWrapper(beanName, null, constructorArgs);
    }

    if (hasClosureArgument) {
        Closure callable = (Closure) args[args.length - 1];
        callable.setDelegate(this);
        callable.setResolveStrategy(Closure.DELEGATE_FIRST);
        callable.call(new Object[] { currentBeanDefinition });
    }

    GroovyBeanDefinitionWrapper beanDefinition = currentBeanDefinition;
    this.currentBeanDefinition = null;
    beanDefinition.getBeanDefinition().setAttribute(GroovyBeanDefinitionWrapper.class.getName(),
            beanDefinition);
    getRegistry().registerBeanDefinition(beanName, beanDefinition.getBeanDefinition());
    return beanDefinition;
}

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