Examples with TypeConverter cn.taketoday.beans.TypeConverter used on opensource projects

Example 1 with TypeConverter

use of cn.taketoday.beans.TypeConverter in project today-infrastructure 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(String beanName, RootBeanDefinition merged, @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;
    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 = converter.convertIfNecessary(originalValue, paramType, methodParam);
                } catch (TypeMismatchException ex) {
                    throw new UnsatisfiedDependencyException(merged.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);
            // have to fail creating an argument array for the given constructor.
            if (!autowiring) {
                throw new UnsatisfiedDependencyException(merged.getResourceDescription(), beanName, new InjectionPoint(methodParam), "Ambiguous argument values for parameter of type [" + paramType.getName() + "] - did you specify the correct bean references as arguments?");
            }
            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 (BeansException ex) {
                throw new UnsatisfiedDependencyException(merged.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;
}

Example 2 with TypeConverter

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

the class ArgumentConvertingMethodInvoker method registerCustomEditor.

/**
 * Register the given custom property editor for all properties of the given type.
 * <p>Typically used in conjunction with the default
 * {@link cn.taketoday.beans.SimpleTypeConverter}; will work with any
 * TypeConverter that implements the PropertyEditorRegistry interface as well.
 *
 * @param requiredType type of the property
 * @param propertyEditor editor to register
 * @see #setTypeConverter
 * @see cn.taketoday.beans.PropertyEditorRegistry#registerCustomEditor
 */
public void registerCustomEditor(Class<?> requiredType, PropertyEditor propertyEditor) {
    TypeConverter converter = getTypeConverter();
    if (!(converter instanceof PropertyEditorRegistry)) {
        throw new IllegalStateException("TypeConverter does not implement PropertyEditorRegistry interface: " + converter);
    }
    ((PropertyEditorRegistry) converter).registerCustomEditor(requiredType, propertyEditor);
}

Example 3 with TypeConverter

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

the class ListFactoryBean method createBeanInstance.

@Override
@SuppressWarnings("unchecked")
protected List<Object> createBeanInstance() {
    if (this.sourceList == null) {
        throw new IllegalArgumentException("'sourceList' is required");
    }
    List<Object> result;
    if (this.targetListClass != null) {
        result = BeanUtils.newInstance(this.targetListClass);
    } else {
        result = new ArrayList<>(this.sourceList.size());
    }
    Class<?> valueType = null;
    if (this.targetListClass != null) {
        valueType = ResolvableType.fromClass(this.targetListClass).asCollection().resolveGeneric();
    }
    if (valueType != null) {
        TypeConverter converter = getBeanTypeConverter();
        for (Object elem : this.sourceList) {
            result.add(converter.convertIfNecessary(elem, valueType));
        }
    } else {
        result.addAll(this.sourceList);
    }
    return result;
}

Example 4 with TypeConverter

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

the class MapFactoryBean method createBeanInstance.

@Override
@SuppressWarnings("unchecked")
protected Map<Object, Object> createBeanInstance() {
    if (this.sourceMap == null) {
        throw new IllegalArgumentException("'sourceMap' is required");
    }
    Map<Object, Object> result = null;
    if (this.targetMapClass != null) {
        result = BeanUtils.newInstance(this.targetMapClass);
    } else {
        result = CollectionUtils.newLinkedHashMap(this.sourceMap.size());
    }
    Class<?> keyType = null;
    Class<?> valueType = null;
    if (this.targetMapClass != null) {
        ResolvableType mapType = ResolvableType.fromClass(this.targetMapClass).asMap();
        keyType = mapType.resolveGeneric(0);
        valueType = mapType.resolveGeneric(1);
    }
    if (keyType != null || valueType != null) {
        TypeConverter converter = getBeanTypeConverter();
        for (Map.Entry<?, ?> entry : this.sourceMap.entrySet()) {
            Object convertedKey = converter.convertIfNecessary(entry.getKey(), keyType);
            Object convertedValue = converter.convertIfNecessary(entry.getValue(), valueType);
            result.put(convertedKey, convertedValue);
        }
    } else {
        result.putAll(this.sourceMap);
    }
    return result;
}

Example 5 with TypeConverter

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

the class SetFactoryBean method createBeanInstance.

@Override
@SuppressWarnings("unchecked")
protected Set<Object> createBeanInstance() {
    if (this.sourceSet == null) {
        throw new IllegalArgumentException("'sourceSet' is required");
    }
    Set<Object> result;
    if (this.targetSetClass != null) {
        result = BeanUtils.newInstance(this.targetSetClass);
    } else {
        result = new LinkedHashSet<>(this.sourceSet.size());
    }
    Class<?> valueType = null;
    if (this.targetSetClass != null) {
        valueType = ResolvableType.fromClass(this.targetSetClass).asCollection().resolveGeneric();
    }
    if (valueType != null) {
        TypeConverter converter = getBeanTypeConverter();
        for (Object elem : this.sourceSet) {
            result.add(converter.convertIfNecessary(elem, valueType));
        }
    } else {
        result.addAll(this.sourceSet);
    }
    return result;
}