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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.myfaces.tobago.internal.context;
21  
22  import org.apache.myfaces.tobago.layout.Measure;
23  
24  /**
25   * This class makes it possible to put "null" values into the Map.
26   */
27  public final class MeasureValue {
28  
29    public static final MeasureValue NULL = new MeasureValue(null);
30  
31    private Measure value;
32  
33    public MeasureValue(final Measure value) {
34      this.value = value;
35    }
36  
37    public Measure getValue() {
38      return value;
39    }
40  
41    @Override
42    public boolean equals(final Object o) {
43      if (this == o) {
44        return true;
45      }
46      if (o == null || getClass() != o.getClass()) {
47        return false;
48      }
49  
50      final MeasureValue that = (MeasureValue) o;
51  
52      if (value != null ? !value.equals(that.value) : that.value != null) {
53        return false;
54      }
55  
56      return true;
57    }
58  
59    @Override
60    public int hashCode() {
61      return (value != null ? value.hashCode() : 0);
62    }
63  
64    @Override
65    public String toString() {
66      return "" + value;
67    }
68  }