/*
* Copyright 2017 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
*
* 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.springframework.integration.support.converter;
import org.springframework.messaging.Message;
import org.springframework.messaging.converter.StringMessageConverter;
/**
* A {@link StringMessageConverter} extension to convert any object to string.
* <p>
* Delegates to super when payload is {@code byte[]} or {@code String}.
* Performs {@link Object#toString()} in other cases.
*
* @author Marius Bogoevici
* @author Artem Bilan
*
* @since 5.0
*/
public class ObjectStringMessageConverter extends StringMessageConverter {
@Override
protected Object convertFromInternal(Message<?> message, Class<?> targetClass, Object conversionHint) {
Object payload = message.getPayload();
if (payload instanceof String || payload instanceof byte[]) {
return super.convertFromInternal(message, targetClass, conversionHint);
}
else {
return payload.toString();
}
}
}