codehaus-plexus
diff --git a/‎src/main/java/org/codehaus/plexus/build/DefaultBuildContext.java
Copy file name to clipboardExpand all lines: src/main/java/org/codehaus/plexus/build/DefaultBuildContext.java
+5-1Lines changed: 5 additions & 1 deletion b/‎src/main/java/org/codehaus/plexus/build/DefaultBuildContext.java
Copy file name to clipboardExpand all lines: src/main/java/org/codehaus/plexus/build/DefaultBuildContext.java
+5-1Lines changed: 5 additions & 1 deletion
@@ -21,6 +21,8 @@
 import java.io.OutputStream;
 import java.nio.file.Files;
 import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 import org.codehaus.plexus.util.DirectoryScanner;
 import org.codehaus.plexus.util.Scanner;
@@ -41,6 +43,7 @@
 @Singleton
 public class DefaultBuildContext implements BuildContext {
 
+    private final Map<String, Object> contextMap = new ConcurrentHashMap<>();
   private final Logger logger = LoggerFactory.getLogger(DefaultBuildContext.class);
   /** {@inheritDoc} */
   public boolean hasDelta(String relpath) {
@@ -105,11 +108,12 @@ public boolean isIncremental() {
 
   /** {@inheritDoc} */
   public Object getValue(String key) {
-    return null;
+      return contextMap.get(key);
   }
 
   /** {@inheritDoc} */
   public void setValue(String key, Object value) {
+      contextMap.put(key, value);
   }
 
   private String getMessage(File file, int line, int column, String message) {