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1   package org.apache.commons.digester3.binder;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.apache.commons.digester3.Rule;
23  
24  /**
25   * An object capable of providing instances of {@link Rule}.
26   *
27   * @param <R> The Rule type created by the provider.
28   * @since 3.0
29   */
30  public interface RuleProvider<R extends Rule>
31  {
32  
33      /**
34       * Provides an instance of {@link Rule}. Must never return null.
35       *
36       * @return an instance of {@link Rule}.
37       */
38      R get();
39  
40  }