fix bug: jdt search might return multiple same projects (microsoft#76)

ansyral · web-flow · commit 08a411646ba9 · 2017-10-16T10:04:15.000+08:00
Signed-off-by: xuzho &lt;xuzho@microsoft.com&gt;
diff --git a/com.microsoft.java.debug.plugin/src/main/java/com/microsoft/java/debug/plugin/internal/ResolveClasspathsHandler.java b/com.microsoft.java.debug.plugin/src/main/java/com/microsoft/java/debug/plugin/internal/ResolveClasspathsHandler.java
@@ -15,6 +15,7 @@
 import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import java.util.stream.Collectors;
 
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IWorkspaceRoot;
@@ -106,7 +107,7 @@ public void acceptSearchMatch(SearchMatch match) {
             SearchEngine.getDefaultSearchParticipant() }, scope,
             requestor, null /* progress monitor */);
 
-        return projects;
+        return projects.stream().distinct().collect(Collectors.toList());
     }
 
     /**
