http://lucene.apache.org/lucene-parent/lucene-highlighter: This is the highlighter for apache lucene java (The Apache Software Foundation) 
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.lucene.search.highlight;


Encodes original text. The Encoder works with the Formatter to generate output. 
/**
 * Encodes original text. The Encoder works with the {@link Formatter} to generate output.
 *
 */
public interface Encoder {
  
Params:
  • originalText – The section of text being output
/**
   * @param originalText The section of text being output
   */
  String encodeText(String originalText);
}