Add properties for format-agnostic read and write features

Signed-off-by: michaldo <michaldo@github.com>

See gh-48870

module/spring-boot-jackson/src/main/java/org/springframework/boot/jackson/autoconfigure/JacksonAutoConfiguration.java

@@ -158,6 +158,8 @@ public final class JacksonAutoConfiguration {
 			@Override
 			public void customize(JsonMapper.Builder builder) {
 				super.customize(builder);
+				configureFeatures(builder, properties().getRead(), builder::configure);
+				configureFeatures(builder, properties().getWrite(), builder::configure);
 				configureFeatures(builder, properties().getJson().getRead(), builder::configure);
 				configureFeatures(builder, properties().getJson().getWrite(), builder::configure);
 			}

module/spring-boot-jackson/src/main/java/org/springframework/boot/jackson/autoconfigure/JacksonProperties.java

@@ -25,6 +25,8 @@ import com.fasterxml.jackson.annotation.JsonAutoDetect;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.PropertyAccessor;
 import org.jspecify.annotations.Nullable;
+import tools.jackson.core.StreamReadFeature;
+import tools.jackson.core.StreamWriteFeature;
 import tools.jackson.core.json.JsonReadFeature;
 import tools.jackson.core.json.JsonWriteFeature;
 import tools.jackson.databind.DeserializationFeature;
@@ -123,6 +125,16 @@ public class JacksonProperties {
 
 	private final Datatype datatype = new Datatype();
 
+	/**
+	 * Jackson on/off token reader features common to multiple formats.
+	 */
+	private final Map<StreamReadFeature, Boolean> read = new EnumMap<>(StreamReadFeature.class);
+
+	/**
+	 * Jackson on/off token writer features common to multiple formats.
+	 */
+	private final Map<StreamWriteFeature, Boolean> write = new EnumMap<>(StreamWriteFeature.class);
+
 	private final Json json = new Json();
 
 	public @Nullable String getDateFormat() {
@@ -217,6 +229,14 @@ public class JacksonProperties {
 		return this.datatype;
 	}
 
+	public Map<StreamReadFeature, Boolean> getRead() {
+		return this.read;
+	}
+
+	public Map<StreamWriteFeature, Boolean> getWrite() {
+		return this.write;
+	}
+
 	public Json getJson() {
 		return this.json;
 	}

module/spring-boot-jackson/src/test/java/org/springframework/boot/jackson/autoconfigure/JacksonAutoConfigurationTests.java

@@ -347,6 +347,24 @@ class JacksonAutoConfigurationTests {
 		});
 	}
 
+	@Test
+	void enableWriteBigDecimalAsPlain() {
+		this.contextRunner.withPropertyValues("spring.jackson.write.write-bigdecimal-as-plain:true").run((context) -> {
+			JsonMapper mapper = context.getBean(JsonMapper.class);
+			assertThat(StreamWriteFeature.WRITE_BIGDECIMAL_AS_PLAIN.enabledByDefault()).isFalse();
+			assertThat(mapper.isEnabled(StreamWriteFeature.WRITE_BIGDECIMAL_AS_PLAIN)).isTrue();
+		});
+	}
+
+	@Test
+	void enableStringDuplicateDetection() {
+		this.contextRunner.withPropertyValues("spring.jackson.read.strict-duplicate-detection:true").run((context) -> {
+			JsonMapper mapper = context.getBean(JsonMapper.class);
+			assertThat(StreamReadFeature.STRICT_DUPLICATE_DETECTION.enabledByDefault()).isFalse();
+			assertThat(mapper.isEnabled(StreamReadFeature.STRICT_DUPLICATE_DETECTION)).isTrue();
+		});
+	}
+
 	@EnumSource
 	@ParameterizedTest
 	void enableDatetimeFeature(MapperType mapperType) {