fix build compatibility with Java 1.5

2 files changed, 29 insertions, 6 deletions

diff --git a/sonar-check-api/src/main/java/org/sonar/check/Cardinality.java b/sonar-check-api/src/main/java/org/sonar/check/Cardinality.java
new file mode 100644
index 00000000000..deaa4f3bfaf
--- /dev/null
+++ b/sonar-check-api/src/main/java/org/sonar/check/Cardinality.java
@@ -0,0 +1,27 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.check;
+
+/**
+ * @since 2.3
+ */
+public enum Cardinality {
+  SINGLE, MULTIPLE
+}
diff --git a/sonar-check-api/src/main/java/org/sonar/check/Rule.java b/sonar-check-api/src/main/java/org/sonar/check/Rule.java
index 8c49e303add..20c4cb0e34c 100644
--- a/sonar-check-api/src/main/java/org/sonar/check/Rule.java
+++ b/sonar-check-api/src/main/java/org/sonar/check/Rule.java
@@ -56,9 +56,5 @@ public @interface Rule {
    */
   IsoCategory isoCategory();
 
-  CARDINALITY cardinality() default CARDINALITY.SINGLE;
-
-  public static enum CARDINALITY {
-    SINGLE, MULTIPLE
-  }
-}
+  Cardinality cardinality() default Cardinality.SINGLE;
+}
\ No newline at end of file