Create spring-boot-http-codec module

spring-boot-project/spring-boot-http-codec/src/main/java/org/springframework/boot/http/codec/autoconfigure/CodecsAutoConfiguration.java

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+/*
+ * Copyright 2012-2025 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.boot.http.codec.autoconfigure;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import org.springframework.boot.autoconfigure.AutoConfiguration;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.boot.context.properties.PropertyMapper;
+import org.springframework.boot.web.codec.CodecCustomizer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
+import org.springframework.core.env.Environment;
+import org.springframework.http.codec.CodecConfigurer;
+import org.springframework.util.MimeType;
+import org.springframework.util.unit.DataSize;
+import org.springframework.web.reactive.function.client.WebClient;
+
+/**
+ * {@link EnableAutoConfiguration Auto-configuration} for
+ * {@link org.springframework.core.codec.Encoder Encoders} and
+ * {@link org.springframework.core.codec.Decoder Decoders}.
+ *
+ * @author Brian Clozel
+ * @since 2.0.0
+ */
+@AutoConfiguration(afterName = "org.springframework.boot.jackson.autoconfigure.JacksonAutoConfiguration")
+@ConditionalOnClass({ CodecConfigurer.class, WebClient.class })
+public class CodecsAutoConfiguration {
+
+	private static final MimeType[] EMPTY_MIME_TYPES = {};
+
+	@Configuration(proxyBeanMethods = false)
+	@ConditionalOnClass(ObjectMapper.class)
+	@SuppressWarnings({ "removal", "deprecation" })
+	static class JacksonCodecConfiguration {
+
+		@Bean
+		@Order(0)
+		@ConditionalOnBean(ObjectMapper.class)
+		CodecCustomizer jacksonCodecCustomizer(ObjectMapper objectMapper) {
+			return (configurer) -> {
+				CodecConfigurer.DefaultCodecs defaults = configurer.defaultCodecs();
+				defaults.jackson2JsonDecoder(
+						new org.springframework.http.codec.json.Jackson2JsonDecoder(objectMapper, EMPTY_MIME_TYPES));
+				defaults.jackson2JsonEncoder(
+						new org.springframework.http.codec.json.Jackson2JsonEncoder(objectMapper, EMPTY_MIME_TYPES));
+			};
+		}
+
+	}
+
+	@Configuration(proxyBeanMethods = false)
+	@EnableConfigurationProperties(HttpCodecsProperties.class)
+	static class DefaultCodecsConfiguration {
+
+		@Bean
+		DefaultCodecCustomizer defaultCodecCustomizer(HttpCodecsProperties httpCodecProperties,
+				Environment environment) {
+			return new DefaultCodecCustomizer(httpCodecProperties.isLogRequestDetails(),
+					httpCodecProperties.getMaxInMemorySize());
+		}
+
+		static final class DefaultCodecCustomizer implements CodecCustomizer, Ordered {
+
+			private final boolean logRequestDetails;
+
+			private final DataSize maxInMemorySize;
+
+			DefaultCodecCustomizer(boolean logRequestDetails, DataSize maxInMemorySize) {
+				this.logRequestDetails = logRequestDetails;
+				this.maxInMemorySize = maxInMemorySize;
+			}
+
+			@Override
+			public void customize(CodecConfigurer configurer) {
+				PropertyMapper map = PropertyMapper.get();
+				CodecConfigurer.DefaultCodecs defaultCodecs = configurer.defaultCodecs();
+				defaultCodecs.enableLoggingRequestDetails(this.logRequestDetails);
+				map.from(this.maxInMemorySize)
+					.whenNonNull()
+					.asInt(DataSize::toBytes)
+					.to(defaultCodecs::maxInMemorySize);
+			}
+
+			@Override
+			public int getOrder() {
+				return 0;
+			}
+
+		}
+
+	}
+
+}

spring-boot-project/spring-boot-http-codec/src/main/java/org/springframework/boot/http/codec/autoconfigure/HttpCodecsProperties.java

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+/*
+ * Copyright 2012-2025 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.boot.http.codec.autoconfigure;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.util.unit.DataSize;
+
+/**
+ * {@link ConfigurationProperties Properties} for reactive HTTP codecs.
+ *
+ * @author Brian Clozel
+ * @author Andy Wilkinson
+ * @since 3.5.0
+ */
+@ConfigurationProperties("spring.http.codecs")
+public class HttpCodecsProperties {
+
+	/**
+	 * Whether to log form data at DEBUG level, and headers at TRACE level.
+	 */
+	private boolean logRequestDetails;
+
+	/**
+	 * Limit on the number of bytes that can be buffered whenever the input stream needs
+	 * to be aggregated. This applies only to the auto-configured WebFlux server and
+	 * WebClient instances. By default this is not set, in which case individual codec
+	 * defaults apply. Most codecs are limited to 256K by default.
+	 */
+	private DataSize maxInMemorySize;
+
+	public boolean isLogRequestDetails() {
+		return this.logRequestDetails;
+	}
+
+	public void setLogRequestDetails(boolean logRequestDetails) {
+		this.logRequestDetails = logRequestDetails;
+	}
+
+	public DataSize getMaxInMemorySize() {
+		return this.maxInMemorySize;
+	}
+
+	public void setMaxInMemorySize(DataSize maxInMemorySize) {
+		this.maxInMemorySize = maxInMemorySize;
+	}
+
+}

spring-boot-project/spring-boot-http-codec/src/main/java/org/springframework/boot/http/codec/autoconfigure/package-info.java

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+/*
+ * Copyright 2012-2025 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.
+ */
+
+/**
+ * Auto-configuration for HTTP codecs.
+ */
+package org.springframework.boot.http.codec.autoconfigure;

spring-boot-project/spring-boot-http-codec/src/main/resources/META-INF/additional-spring-configuration-metadata.json

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+{
+  "groups": [],
+  "properties": []
+}

spring-boot-project/spring-boot-http-codec/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports

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+org.springframework.boot.http.codec.autoconfigure.CodecsAutoConfiguration