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1   /*
2    *  Copyright 2010 Stephen Colebourne
3    *
4    *  Licensed under the Apache License, Version 2.0 (the "License");
5    *  you may not use this file except in compliance with the License.
6    *  You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   *  Unless required by applicable law or agreed to in writing, software
11   *  distributed under the License is distributed on an "AS IS" BASIS,
12   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *  See the License for the specific language governing permissions and
14   *  limitations under the License.
15   */
16  package org.joda.convert;
17  
18  /**
19   * Interface defining conversion from a {@code String}.
20   * <p>
21   * FromStringConverter is an interface and must be implemented with care.
22   * Implementations must be immutable and thread-safe.
23   * 
24   * @param <T>  the type of the converter
25   */
26  public interface FromStringConverter<T> {
27  
28      /**
29       * Converts the specified object from a {@code String}.
30       * @param cls  the class to convert to, not null
31       * @param str  the string to convert, not null
32       * @return the converted object, may be null but generally not
33       */
34      T convertFromString(Class<? extends T> cls, String str);
35  
36  }