01: package org.apache.lucene.search.highlight;
02:
03: /**
04: * Copyright 2002-2004 The Apache Software Foundation
05: *
06: * Licensed under the Apache License, Version 2.0 (the "License");
07: * you may not use this file except in compliance with the License.
08: * You may obtain a copy of the License at
09: *
10: * http://www.apache.org/licenses/LICENSE-2.0
11: *
12: * Unless required by applicable law or agreed to in writing, software
13: * distributed under the License is distributed on an "AS IS" BASIS,
14: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15: * See the License for the specific language governing permissions and
16: * limitations under the License.
17: */
18:
19: /**
20: * Simple {@link Formatter} implementation to highlight terms with a pre and
21: * post tag
22: *
23: * @author MAHarwood
24: */
25: public class SimpleHTMLFormatter implements Formatter {
26: String preTag;
27:
28: String postTag;
29:
30: public SimpleHTMLFormatter(String preTag, String postTag) {
31: this .preTag = preTag;
32: this .postTag = postTag;
33: }
34:
35: /**
36: * Default constructor uses HTML: <B> tags to markup terms
37: */
38: public SimpleHTMLFormatter() {
39: this .preTag = "<strong>";
40: this .postTag = "</strong>";
41: }
42:
43: /*
44: * (non-Javadoc)
45: *
46: * @see org.apache.lucene.search.highlight.Formatter#highlightTerm(java.lang.String,
47: * org.apache.lucene.search.highlight.TokenGroup)
48: */
49: public String highlightTerm(String originalText,
50: TokenGroup tokenGroup) {
51: StringBuffer returnBuffer;
52: if (tokenGroup.getTotalScore() > 0) {
53: returnBuffer = new StringBuffer();
54: returnBuffer.append(preTag);
55: returnBuffer.append(originalText);
56: returnBuffer.append(postTag);
57: return returnBuffer.toString();
58: }
59: return originalText;
60: }
61: }
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