View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.math4.legacy.ode;
18  
19  import java.util.ArrayList;
20  import java.util.Arrays;
21  import java.util.Collection;
22  
23  /** This abstract class provides boilerplate parameters list.
24   *
25   * @since 3.0
26   */
27  
28  public abstract class AbstractParameterizable implements Parameterizable {
29  
30     /** List of the parameters names. */
31      private final Collection<String> parametersNames;
32  
33      /** Simple constructor.
34       * @param names names of the supported parameters
35       */
36      protected AbstractParameterizable(final String ... names) {
37          parametersNames = new ArrayList<>(Arrays.asList(names));
38      }
39  
40      /** Simple constructor.
41       * @param names names of the supported parameters
42       */
43      protected AbstractParameterizable(final Collection<String> names) {
44          parametersNames = new ArrayList<>(names);
45      }
46  
47      /** {@inheritDoc} */
48      @Override
49      public Collection<String> getParametersNames() {
50          return parametersNames;
51      }
52  
53      /** {@inheritDoc} */
54      @Override
55      public boolean isSupported(final String name) {
56          for (final String supportedName : parametersNames) {
57              if (supportedName.equals(name)) {
58                  return true;
59              }
60          }
61          return false;
62      }
63  
64      /** Check if a parameter is supported and throw an IllegalArgumentException if not.
65       * @param name name of the parameter to check
66       * @exception UnknownParameterException if the parameter is not supported
67       * @see #isSupported(String)
68       */
69      public void complainIfNotSupported(final String name)
70          throws UnknownParameterException {
71          if (!isSupported(name)) {
72              throw new UnknownParameterException(name);
73          }
74      }
75  }