1 files changed, 24 insertions, 3 deletions

diff --git a/vpp-integration/api-docs/core/src/main/java/io/fd/hc2vpp/docs/core/ClassPathTypeIndex.java b/vpp-integration/api-docs/core/src/main/java/io/fd/hc2vpp/docs/core/ClassPathTypeIndex.java
index 4eeac5953..bc068034a 100644
--- a/vpp-integration/api-docs/core/src/main/java/io/fd/hc2vpp/docs/core/ClassPathTypeIndex.java
+++ b/vpp-integration/api-docs/core/src/main/java/io/fd/hc2vpp/docs/core/ClassPathTypeIndex.java
@@ -22,9 +22,13 @@ import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.HashMap;
 import java.util.Map;
+import java.util.Set;
 import java.util.stream.Collectors;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Index of java classes to relative absolute paths within repository. Used to generate Git links for binding classes of
@@ -32,6 +36,8 @@ import java.util.stream.Collectors;
  */
 public class ClassPathTypeIndex implements LinkGenerator {
 
+    private static final Logger LOG = LoggerFactory.getLogger(ClassPathTypeIndex.class);
+
     private static final String JAVA_SOURCE_FOLDER = "src/main/java";
     private static final int JAVA_SOURCE_FOLDER_NAME_LENGTH = JAVA_SOURCE_FOLDER.length() + 1;
 
@@ -60,13 +66,28 @@ public class ClassPathTypeIndex implements LinkGenerator {
 
     private Map<String, String> buildIndex(final String projectRoot) {
         try {
-            return Files.walk(Paths.get(projectRoot))
+            Set<String> names =
+                Files.walk(Paths.get(projectRoot))
                     .filter(path -> path.toString().contains("src/main/java"))
                     .filter(path -> path.toString().endsWith(".java"))
                     .map(Path::toString)
                     .map(s -> s.replace(projectRoot, ""))
-                    .distinct()
-                    .collect(Collectors.toMap(ClassPathTypeIndex::key, o -> generateLink(o)));
+                    .collect(Collectors.toSet());
+
+            Map<String, String> register = new HashMap<>();
+            for (String name : names) {
+                String key = key(name);
+                if (register.containsKey(key)) {
+                    /* expected duplicates e.g. In MPLS and SRV6 modules several same types are used
+                       (like ipv6-multicast-source-address). We don`t need to create another link for the same class
+                       so we can skip these duplicates */
+
+                    LOG.trace("Duplicate key found for name: {}. Skip generating new link for the same class", name);
+                } else {
+                    register.put(key, generateLink(name));
+                }
+            }
+            return register;
         } catch (IOException e) {
             throw new IllegalStateException(format("%s not found", projectRoot), e);
         }