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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  
18  package org.apache.commons.codec;
19  
20  /**
21   * Defines common encoding methods for String encoders.
22   *
23   * @author Apache Software Foundation
24   * @version $Id: StringEncoder.java 1170351 2011-09-13 21:09:09Z ggregory $
25   */
26  public interface StringEncoder extends Encoder {
27      
28      /**
29       * Encodes a String and returns a String.
30       * 
31       * @param source the String to encode
32       * 
33       * @return the encoded String
34       * 
35       * @throws EncoderException thrown if there is
36       *  an error condition during the encoding process.
37       */
38      String encode(String source) throws EncoderException;
39  }  
40