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LUCENE-1497: minor code cleanups to SimpleHTMLFormatter 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@732739 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael McCandless 2009-01-08 16:11:19 +00:00
parent f991524da8
commit 8180700de8
1 changed files with 27 additions and 29 deletions
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56
contrib/highlighter/src/java/org/apache/lucene/search/highlight/SimpleHTMLFormatter.java
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@ -1,4 +1,5 @@
package org.apache.lucene.search.highlight;
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
@ -17,45 +18,42 @@ package org.apache.lucene.search.highlight;
*/
/**
* Simple {@link Formatter} implementation to highlight terms with a pre and post tag
*
* Simple {@link Formatter} implementation to highlight terms with a pre and
* post tag.
*/
public class SimpleHTMLFormatter implements Formatter
{
String preTag;
String postTag;
public class SimpleHTMLFormatter implements Formatter {
private static final String DEFAULT_PRE_TAG = "<B>";
private static final String DEFAULT_POST_TAG = "</B>";
private String preTag;
private String postTag;
public SimpleHTMLFormatter(String preTag, String postTag)
{
public SimpleHTMLFormatter(String preTag, String postTag) {
this.preTag = preTag;
this.postTag = postTag;
}
/**
* Default constructor uses HTML: &lt;B&gt; tags to markup terms
*
**/
public SimpleHTMLFormatter()
{
this.preTag = "<B>";
this.postTag = "</B>";
/** Default constructor uses HTML: &lt;B&gt; tags to markup terms. */
public SimpleHTMLFormatter() {
this(DEFAULT_PRE_TAG, DEFAULT_POST_TAG);
}
/* (non-Javadoc)
* @see org.apache.lucene.search.highlight.Formatter#highlightTerm(java.lang.String, org.apache.lucene.search.highlight.TokenGroup)
*/
public String highlightTerm(String originalText, TokenGroup tokenGroup)
{
StringBuffer returnBuffer;
if(tokenGroup.getTotalScore()>0)
{
returnBuffer=new StringBuffer();
returnBuffer.append(preTag);
returnBuffer.append(originalText);
returnBuffer.append(postTag);
return returnBuffer.toString();
}
return originalText;
public String highlightTerm(String originalText, TokenGroup tokenGroup) {
if (tokenGroup.getTotalScore() <= 0) {
return originalText;
}
// Allocate StringBuffer with the right number of characters from the
// beginning, to avoid char[] allocations in the middle of appends.
StringBuffer returnBuffer = new StringBuffer(preTag.length() + originalText.length() + postTag.length());
returnBuffer.append(preTag);
returnBuffer.append(originalText);
returnBuffer.append(postTag);
return returnBuffer.toString();
}
}