1 files changed, 41 insertions, 0 deletions
diff --git a/javaparser-symbol-solver-testing/src/test/test_sourcecode/javaparser_src/proper_source/com/github/javaparser/ast/internal/Utils.java b/javaparser-symbol-solver-testing/src/test/test_sourcecode/javaparser_src/proper_source/com/github/javaparser/ast/internal/Utils.java
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index 000000000..0bb7abbba
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+++ b/javaparser-symbol-solver-testing/src/test/test_sourcecode/javaparser_src/proper_source/com/github/javaparser/ast/internal/Utils.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
+ * Copyright (C) 2011, 2013-2015 The JavaParser Team.
+ *
+ * This file is part of JavaParser.
+ *
+ * JavaParser can be used either under the terms of
+ * a) 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.
+ * b) the terms of the Apache License
+ *
+ * You should have received a copy of both licenses in LICENCE.LGPL and
+ * LICENCE.APACHE. Please refer to those files for details.
+ *
+ * JavaParser 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.
+ */
+
+package com.github.javaparser.ast.internal;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @author Federico Tomassetti
+ * @since 2.0.1
+ */
+public class Utils {
+
+    public static <T> List<T> ensureNotNull(List<T> list) {
+        return list == null ? Collections.<T>emptyList() : list;
+    }
+
+    public static <E> boolean isNullOrEmpty(Collection<E> collection) {
+        return collection == null || collection.isEmpty();
+    }
+}