Examples with InjectionPoint cn.taketoday.beans.factory.InjectionPoint used on opensource projects

Example 6 with InjectionPoint

use of cn.taketoday.beans.factory.InjectionPoint in project today-infrastructure by TAKETODAY.

the class ConstructorResolver method resolvePreparedArguments.

/**
 * Resolve the prepared arguments stored in the given bean definition.
 */
private Object[] resolvePreparedArguments(String beanName, BeanDefinition merged, Executable executable, Object[] argsToResolve, BeanWrapper bw) {
    TypeConverter customConverter = this.beanFactory.getCustomTypeConverter();
    TypeConverter converter = customConverter != null ? customConverter : bw;
    BeanDefinitionValueResolver valueResolver = new BeanDefinitionValueResolver(beanFactory, beanName, merged, converter);
    Class<?>[] paramTypes = executable.getParameterTypes();
    Object[] resolvedArgs = new Object[argsToResolve.length];
    for (int argIndex = 0; argIndex < argsToResolve.length; argIndex++) {
        Object argValue = argsToResolve[argIndex];
        MethodParameter methodParam = MethodParameter.forExecutable(executable, argIndex);
        if (argValue == autowiredArgumentMarker) {
            argValue = resolveAutowiredArgument(methodParam, beanName, null, converter, true);
        } else if (argValue instanceof BeanMetadataElement) {
            argValue = valueResolver.resolveValueIfNecessary("constructor argument", argValue);
        } else if (argValue instanceof String) {
            argValue = beanFactory.evaluateBeanDefinitionString((String) argValue, merged);
        }
        Class<?> paramType = paramTypes[argIndex];
        try {
            resolvedArgs[argIndex] = converter.convertIfNecessary(argValue, paramType, methodParam);
        } catch (TypeMismatchException ex) {
            throw new UnsatisfiedDependencyException(merged.getResourceDescription(), beanName, new InjectionPoint(methodParam), "Could not convert argument value of type [" + ObjectUtils.nullSafeClassName(argValue) + "] to required type [" + paramType.getName() + "]: " + ex.getMessage());
        }
    }
    return resolvedArgs;
}

Example 7 with InjectionPoint

use of cn.taketoday.beans.factory.InjectionPoint in project today-framework by TAKETODAY.

the class ConstructorResolver method createArgumentArray.

/**
 * Create an array of arguments to invoke a constructor or factory method,
 * given the resolved constructor argument values.
 */
private ArgumentsHolder createArgumentArray(BeanDefinition definition, @Nullable ConstructorArgumentValues resolvedValues, Class<?>[] paramTypes, @Nullable String[] paramNames, Executable executable, BeanWrapper wrapper, boolean autowiring, boolean fallback) throws UnsatisfiedDependencyException {
    TypeConverter customConverter = this.beanFactory.getCustomTypeConverter();
    TypeConverter converter = customConverter != null ? customConverter : wrapper;
    String beanName = definition.getBeanName();
    ArgumentsHolder args = new ArgumentsHolder(paramTypes.length);
    HashSet<ValueHolder> usedValueHolders = new HashSet<>(paramTypes.length);
    LinkedHashSet<String> autowiredBeanNames = new LinkedHashSet<>(4);
    for (int paramIndex = 0; paramIndex < paramTypes.length; paramIndex++) {
        Class<?> paramType = paramTypes[paramIndex];
        String paramName = paramNames != null ? paramNames[paramIndex] : "";
        // Try to find matching constructor argument value, either indexed or generic.
        ValueHolder valueHolder = null;
        if (resolvedValues != null) {
            valueHolder = resolvedValues.getArgumentValue(paramIndex, paramType, paramName, usedValueHolders);
            // it could match after type conversion (for example, String -> int).
            if (valueHolder == null && (!autowiring || paramTypes.length == resolvedValues.getArgumentCount())) {
                valueHolder = resolvedValues.getGenericArgumentValue(null, null, usedValueHolders);
            }
        }
        if (valueHolder != null) {
            // We found a potential match - let's give it a try.
            // Do not consider the same value definition multiple times!
            usedValueHolders.add(valueHolder);
            Object originalValue = valueHolder.getValue();
            Object convertedValue;
            if (valueHolder.isConverted()) {
                convertedValue = valueHolder.getConvertedValue();
                args.preparedArguments[paramIndex] = convertedValue;
            } else {
                MethodParameter methodParam = MethodParameter.forExecutable(executable, paramIndex);
                try {
                    convertedValue = convertIfNecessary(originalValue, paramType, methodParam);
                } catch (TypeMismatchException ex) {
                    throw new UnsatisfiedDependencyException(definition.getResourceDescription(), beanName, new InjectionPoint(methodParam), "Could not convert argument value of type [" + ObjectUtils.nullSafeClassName(valueHolder.getValue()) + "] to required type [" + paramType.getName() + "]: " + ex.getMessage());
                }
                Object sourceHolder = valueHolder.getSource();
                if (sourceHolder instanceof ValueHolder) {
                    Object sourceValue = ((ValueHolder) sourceHolder).getValue();
                    args.resolveNecessary = true;
                    args.preparedArguments[paramIndex] = sourceValue;
                }
            }
            args.arguments[paramIndex] = convertedValue;
            args.rawArguments[paramIndex] = originalValue;
        } else {
            MethodParameter methodParam = MethodParameter.forExecutable(executable, paramIndex);
            // }
            try {
                Object autowiredArgument = resolveAutowiredArgument(methodParam, beanName, autowiredBeanNames, converter, fallback);
                args.resolveNecessary = true;
                args.arguments[paramIndex] = autowiredArgument;
                args.rawArguments[paramIndex] = autowiredArgument;
                args.preparedArguments[paramIndex] = autowiredArgumentMarker;
            } catch (UnsatisfiedDependencyException e) {
                throw e;
            } catch (BeansException ex) {
                throw new UnsatisfiedDependencyException(definition.getResourceDescription(), beanName, new InjectionPoint(methodParam), ex);
            }
        }
    }
    for (String autowiredBeanName : autowiredBeanNames) {
        beanFactory.registerDependentBean(autowiredBeanName, beanName);
        if (log.isDebugEnabled()) {
            log.debug("Autowiring by type from bean name '{}' via {} to bean named '{}'", beanName, (executable instanceof Constructor ? "constructor" : "factory method"), autowiredBeanName);
        }
    }
    return args;
}