Example usage for org.springframework.beans BeanWrapper isWritableProperty

Introduction

In this page you can find the example usage for org.springframework.beans BeanWrapper isWritableProperty.

Prototype

boolean isWritableProperty(String propertyName);

Source Link

Document

Determine whether the specified property is writable.

Usage

From source file:org.talend.dataprep.conversions.BeanConversionService.java

/**
 * The {@link BeanUtils#copyProperties(java.lang.Object, java.lang.Object)} method does <b>NOT</b> check if parametrized type
 * are compatible when copying values, this helper method performs this additional check and ignore copy of those values.
 *
 * @param source The source bean (from which values are read).
 * @param converted The target bean (to which values are written).
 *//*from  w  w w.  ja v  a 2  s  . c om*/
private static void copyBean(Object source, Object converted) {
    // Find property(ies) to ignore during copy.
    List<String> discardedProperties = new LinkedList<>();
    final BeanWrapper sourceBean = new BeanWrapperImpl(source);
    final BeanWrapper targetBean = new BeanWrapperImpl(converted);
    final PropertyDescriptor[] sourceProperties = sourceBean.getPropertyDescriptors();
    for (PropertyDescriptor sourceProperty : sourceProperties) {
        if (targetBean.isWritableProperty(sourceProperty.getName())) {
            final PropertyDescriptor targetProperty = targetBean
                    .getPropertyDescriptor(sourceProperty.getName());
            final Class<?> sourcePropertyType = sourceProperty.getPropertyType();
            final Class<?> targetPropertyType = targetProperty.getPropertyType();
            final Method readMethod = sourceProperty.getReadMethod();
            if (readMethod != null) {
                final Type sourceReturnType = readMethod.getGenericReturnType();
                final Method targetPropertyWriteMethod = targetProperty.getWriteMethod();
                if (targetPropertyWriteMethod != null) {
                    final Type targetReturnType = targetPropertyWriteMethod.getParameters()[0]
                            .getParameterizedType();
                    boolean valid = Object.class.equals(targetPropertyType)
                            || sourcePropertyType.equals(targetPropertyType)
                                    && sourceReturnType.equals(targetReturnType);
                    if (!valid) {
                        discardedProperties.add(sourceProperty.getName());
                    }
                }
            } else {
                discardedProperties.add(sourceProperty.getName());
            }
        }
    }

    // Perform copy
    BeanUtils.copyProperties(source, converted,
            discardedProperties.toArray(new String[discardedProperties.size()]));
}