org.force66.beantester.utils.InjectionUtils.java Source code

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/*
 * This software is licensed under the Apache License, Version 2.0
 * (the "License") agreement; 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.force66.beantester.utils;

import java.beans.PropertyDescriptor;

import org.apache.commons.beanutils.PropertyUtils;
import org.force66.beantester.valuegens.ValueGenerator;
import org.force66.beantester.valuegens.ValueGeneratorFactory;

/**
 * Injects a given bean with generated values.
 * @author D. Ashmore
 *
 */
public class InjectionUtils {

    public static void injectValues(Object bean, ValueGeneratorFactory valueGeneratorFactory,
            boolean reportExceptions) {

        ValueGenerator<?> generator;
        Object[] generatedValues = null;
        for (PropertyDescriptor descriptor : PropertyUtils.getPropertyDescriptors(bean)) {
            try {
                generator = valueGeneratorFactory.forClass(descriptor.getPropertyType());
                if (generator != null && descriptor.getWriteMethod() != null) {
                    generatedValues = generator.makeValues();

                    descriptor.getWriteMethod().invoke(bean, generatedValues[0]);

                }
            } catch (Exception e) {
                if (reportExceptions) {
                    throw new BeanTesterException("Error setting property value", e)
                            .addContextValue("class", bean.getClass().getName())
                            .addContextValue("field", descriptor.getName()).addContextValue("value",
                                    generatedValues != null && generatedValues.length > 0 ? generatedValues[0]
                                            : null);
                }
            }
        }
    }

}