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/*
 * Copyright 2002-2019 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.integration.transformer;

import org.springframework.core.serializer.Deserializer;
import org.springframework.integration.support.converter.WhiteListDeserializingConverter;
import org.springframework.util.Assert;

/**
 * Transformer that deserializes the inbound byte array payload to an object by delegating
 * to a Converter<byte[], Object>. Default delegate is a
 * {@link WhiteListDeserializingConverter} using Java serialization.
 *
 * 

* The byte array payload must be a result of equivalent serialization. * * @author Mark Fisher * @author Gary Russell * @author Artem Bilan * * @since 1.0.1 */ public class PayloadDeserializingTransformer extends PayloadTypeConvertingTransformer { /** * Instantiate based on the {@link WhiteListDeserializingConverter} with the * {@link org.springframework.core.serializer.DefaultDeserializer}. */ public PayloadDeserializingTransformer() { doSetConverter(new WhiteListDeserializingConverter()); } public void setDeserializer(Deserializer deserializer) { setConverter(new WhiteListDeserializingConverter(deserializer)); } /** * When using a {@link WhiteListDeserializingConverter} (the default) add patterns * for packages/classes that are allowed to be deserialized. * A class can be fully qualified or a wildcard '*' is allowed at the * beginning or end of the class name. * Examples: {@code com.foo.*}, {@code *.MyClass}. * @param patterns the patterns. * @since 4.2.13 */ public void setWhiteListPatterns(String... patterns) { Assert.isTrue(getConverter() instanceof WhiteListDeserializingConverter, "Patterns can only be provided when using a 'WhiteListDeserializingConverter'"); ((WhiteListDeserializingConverter) getConverter()).setWhiteListPatterns(patterns); } }