Fallback logger for logging in http and codec packages

Issue: SPR-17012

spring-core/src/main/java/org/springframework/core/codec/AbstractDecoder.java

@@ -40,7 +40,7 @@ import org.springframework.util.MimeType;
  */
 public abstract class AbstractDecoder<T> implements Decoder<T> {
 
-	protected final Log logger = LogFactory.getLog(getClass());
+	protected Log logger = LogFactory.getLog(getClass());
 
 	private final List<MimeType> decodableMimeTypes;
 
@@ -50,6 +50,24 @@ public abstract class AbstractDecoder<T> implements Decoder<T> {
 	}
 
 
+	/**
+	 * Set an alternative logger to use than the one based on the class name.
+	 * @param logger the logger to use
+	 * @since 5.1
+	 */
+	public void setLogger(Log logger) {
+		this.logger = logger;
+	}
+
+	/**
+	 * Return the currently configured Logger.
+	 * @since 5.1
+	 */
+	public Log getLogger() {
+		return logger;
+	}
+
+
 	@Override
 	public List<MimeType> getDecodableMimeTypes() {
 		return this.decodableMimeTypes;

spring-core/src/main/java/org/springframework/core/codec/AbstractEncoder.java

@@ -36,7 +36,7 @@ import org.springframework.util.MimeType;
  */
 public abstract class AbstractEncoder<T> implements Encoder<T> {
 
-	protected final Log logger = LogFactory.getLog(getClass());
+	protected Log logger = LogFactory.getLog(getClass());
 
 	private final List<MimeType> encodableMimeTypes;
 
@@ -46,6 +46,24 @@ public abstract class AbstractEncoder<T> implements Encoder<T> {
 	}
 
 
+	/**
+	 * Set an alternative logger to use than the one based on the class name.
+	 * @param logger the logger to use
+	 * @since 5.1
+	 */
+	public void setLogger(Log logger) {
+		this.logger = logger;
+	}
+
+	/**
+	 * Return the currently configured Logger.
+	 * @since 5.1
+	 */
+	public Log getLogger() {
+		return logger;
+	}
+
+
 	@Override
 	public List<MimeType> getEncodableMimeTypes() {
 		return this.encodableMimeTypes;