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-
- /* ====================================================================
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You 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.apache.poi.util;
-
- import java.util.*;
-
- /**
- * Returns immutable Btfield instances.
- *
- * @author Jason Height (jheight at apache dot org)
- */
-
- public class BitFieldFactory
- {
- private static Map instances = new HashMap();
-
- public static BitField getInstance(final int mask) {
- BitField f = (BitField)instances.get(new Integer(mask));
- if (f == null) {
- f = new BitField(mask);
- instances.put(new Integer(mask), f);
- }
- return f;
- }
-
- } // end public class BitFieldFactory
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