org.springframework.core.convert.support.ConversionServiceFactory Maven / Gradle / Ivy
/*
* Copyright 2002-2018 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.
*/
package org.springframework.core.convert.support;
import java.util.Set;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.converter.ConverterFactory;
import org.springframework.core.convert.converter.ConverterRegistry;
import org.springframework.core.convert.converter.GenericConverter;
import org.springframework.lang.Nullable;
/**
* A factory for common {@link org.springframework.core.convert.ConversionService}
* configurations.
*
* @author Keith Donald
* @author Juergen Hoeller
* @author Chris Beams
* @since 3.0
*/
public final class ConversionServiceFactory {
private ConversionServiceFactory() {
}
/**
* Register the given Converter objects with the given target ConverterRegistry.
* @param converters the converter objects: implementing {@link Converter},
* {@link ConverterFactory}, or {@link GenericConverter}
* @param registry the target registry
*/
public static void registerConverters(@Nullable Set converters, ConverterRegistry registry) {
if (converters != null) {
for (Object converter : converters) {
if (converter instanceof GenericConverter) {
registry.addConverter((GenericConverter) converter);
}
else if (converter instanceof Converter) {
registry.addConverter((Converter) converter);
}
else if (converter instanceof ConverterFactory) {
registry.addConverterFactory((ConverterFactory) converter);
}
else {
throw new IllegalArgumentException("Each converter object must implement one of the " +
"Converter, ConverterFactory, or GenericConverter interfaces");
}
}
}
}
}