Added BitSetUtils and method converting BitSet to int.

2012-06-14 20:38:47 +04:00
parent cfd56b4c2a
commit 5541488ca0
3 changed files with 48 additions and 9 deletions
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.utils;
+
+import java.util.BitSet;
+
+/**
+ * @author Evgeny Gerashchenko
+ * @since 6/14/12
+ */
+public class BitSetUtils {
+    private BitSetUtils() {
+    }
+
+    public static int toInt(BitSet bitSet) {
+        int intValue = 0;
+        for (int bit = 0; bit < bitSet.length(); bit++) {
+            if (bitSet.get(bit)) {
+                intValue |= (1 << bit);
+            }
+        }
+        return intValue;
+    }
+}