LogFactoryService implements Commons Logging attribute methods

Issue: SPR-17302

spring-jcl/src/main/java/org/apache/commons/logging/LogFactoryService.java

@@ -16,6 +16,9 @@
 
 package org.apache.commons.logging;
 
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
 /**
  * A minimal subclass of the standard Apache Commons Logging's {@code LogFactory} class,
  * overriding the abstract {@code getInstance} lookup methods. This is just applied in
@@ -30,6 +33,9 @@ package org.apache.commons.logging;
 @Deprecated
 public class LogFactoryService extends LogFactory {
 
+	private final Map<String, Object> attributes = new ConcurrentHashMap<>();
+
+
 	@Override
 	public Log getInstance(Class<?> clazz) {
 		return getInstance(clazz.getName());
@@ -41,7 +47,29 @@ public class LogFactoryService extends LogFactory {
 	}
 
 
-	// Just in case some code happens to call Commons Logging's LogFactory.release()
+	// Just in case some code happens to call uncommon Commons Logging methods...
+
+	public void setAttribute(String name, Object value) {
+		if (value != null) {
+			this.attributes.put(name, value);
+		}
+		else {
+			this.attributes.remove(name);
+		}
+	}
+
+	public void removeAttribute(String name) {
+		this.attributes.remove(name);
+	}
+
+	public Object getAttribute(String name) {
+		return this.attributes.get(name);
+	}
+
+	public String[] getAttributeNames() {
+		return this.attributes.keySet().toArray(new String[0]);
+	}
+
 	public void release() {
 	}