/*
 * Copyright 2012-2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
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package org.springframework.data.util;

import static org.springframework.util.ReflectionUtils.*;

import java.lang.reflect.Field;

import org.springframework.beans.BeanWrapperImpl;
import org.springframework.beans.NotReadablePropertyException;
import org.springframework.beans.NotWritablePropertyException;
import org.springframework.lang.Nullable;

Custom extension of BeanWrapperImpl that falls back to direct field access in case the object or type being wrapped does not use accessor methods.
Author:Oliver Gierke
/** * Custom extension of {@link BeanWrapperImpl} that falls back to direct field access in case the object or type being * wrapped does not use accessor methods. * * @author Oliver Gierke */
public class DirectFieldAccessFallbackBeanWrapper extends BeanWrapperImpl { public DirectFieldAccessFallbackBeanWrapper(Object entity) { super(entity); } public DirectFieldAccessFallbackBeanWrapper(Class<?> type) { super(type); } /* * (non-Javadoc) * @see org.springframework.beans.BeanWrapperImpl#getPropertyValue(java.lang.String) */ @Override @Nullable public Object getPropertyValue(String propertyName) { try { return super.getPropertyValue(propertyName); } catch (NotReadablePropertyException e) { Field field = findField(getWrappedClass(), propertyName); if (field == null) { throw new NotReadablePropertyException(getWrappedClass(), propertyName, "Could not find field for property during fallback access!"); } makeAccessible(field); return getField(field, getWrappedInstance()); } } /* * (non-Javadoc) * @see org.springframework.beans.BeanWrapperImpl#setPropertyValue(java.lang.String, java.lang.Object) */ @Override public void setPropertyValue(String propertyName, @Nullable Object value) { try { super.setPropertyValue(propertyName, value); } catch (NotWritablePropertyException e) { Field field = findField(getWrappedClass(), propertyName); if (field == null) { throw new NotWritablePropertyException(getWrappedClass(), propertyName, "Could not find field for property during fallback access!", e); } makeAccessible(field); setField(field, getWrappedInstance(), value); } } }