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'databene commons' is an open source Java library by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
* All rights reserved.
*
* 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
* http://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.
*/
package org.databene.commons.bean;
import org.databene.commons.Accessor;
import org.databene.commons.ConversionException;
import org.databene.commons.accessor.FeatureAccessor;
import org.databene.commons.converter.ThreadSafeConverter;
/**
* Maps a bean's feature (attributes, properties, Map contents) values to an array of values.
* Created: 14.07.2014 15:24:31
* @param the object type to access
* @since 0.5.33
* @author Volker Bergmann
*/
public class BeanToFeatureArrayConverter extends ThreadSafeConverter {
private Accessor[] accessors;
public BeanToFeatureArrayConverter(String... featureNames) {
this(null, featureNames);
}
@SuppressWarnings("unchecked")
public BeanToFeatureArrayConverter(Class beanClass, String... featureNames) {
super(beanClass, Object[].class);
this.accessors = new Accessor[featureNames.length];
for (int i = 0; i < featureNames.length; i++)
this.accessors[i] = new FeatureAccessor(featureNames[i]);
}
@Override
public Object[] convert(E bean) throws ConversionException {
Object[] propertyValues = new Object[accessors.length];
for (int i = 0; i < accessors.length; i++)
propertyValues[i] = accessors[i].getValue(bean);
return propertyValues;
}
}