Don't add import if there's general import with .* exist

compiler/frontend/src/org/jetbrains/jet/lang/psi/JetPsiUtil.java

@@ -138,6 +138,17 @@ public class JetPsiUtil {
         return jetClass.getName();
     }
 
+    @Nullable @JetElement.IfNotParsed
+    public static String getImportPath(JetImportDirective importDirective) {
+        final JetExpression importedReference = importDirective.getImportedReference();
+        if (importedReference == null) {
+            return null;
+        }
+
+        final String text = importedReference.getText();
+        return text.replaceAll(" ", "") + (importDirective.isAllUnder() ? ".*" : "");
+    }
+
     private static String makeFQName(String prefix, JetClassOrObject jetClass) {
         return ((prefix == null || prefix.length() == 0) ? "" : prefix + ".") + jetClass.getName();
     }

compiler/frontend/src/org/jetbrains/jet/util/QualifiedNamesUtil.java

@@ -100,4 +100,19 @@ public final class QualifiedNamesUtil {
 
         return null;
     }
+
+    /**
+     * Check that given fqn could be imported with import.
+     *
+     * @param importPath path from the import. Could contain .* part
+     * @param fqn
+     * @return
+     */
+    public static boolean isImported(@NotNull String importPath, @NotNull String fqn) {
+        if (importPath.endsWith("*")) {
+            return withoutLastSegment(importPath).equals(withoutLastSegment(fqn));
+        }
+
+        return importPath.equals(fqn);
+    }
 }