Bug 2531: Fix build breakage in absense of src/main/yang directory

[yangtools.git] / yang / yang-maven-plugin / src / main / java / org / opendaylight / yangtools / yang2sources / plugin / Util.java

diff --git a/yang/yang-maven-plugin/src/main/java/org/opendaylight/yangtools/yang2sources/plugin/Util.java b/yang/yang-maven-plugin/src/main/java/org/opendaylight/yangtools/yang2sources/plugin/Util.java
index c577602ad9427f4942ff9c3e0e4af18b8f414147..b9287185b3ba47d9d27adb1d9201f13eadc3d1c0 100644 (file)
--- a/yang/yang-maven-plugin/src/main/java/org/opendaylight/yangtools/yang2sources/plugin/Util.java
+++ b/yang/yang-maven-plugin/src/main/java/org/opendaylight/yangtools/yang2sources/plugin/Util.java
@@ -16,6 +16,7 @@ import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.List;
@@ -82,7 +83,10 @@ final class Util {
 
     static Collection<File> listFiles(File root, File[] excludedFiles, Log log) throws FileNotFoundException {
         if (!root.exists()) {
-            throw new FileNotFoundException(root.toString());
+            if (log != null) {
+                log.warn(Util.message("YANG source directory %s not found. No code will be generated.", YangToSourcesProcessor.LOG_PREFIX, root.toString()));
+            }
+            return Collections.emptyList();
         }
         Collection<File> result = new ArrayList<>();
         Collection<File> yangFiles = FileUtils.listFiles(root, new String[] { YANG_SUFFIX }, true);