So, just like I said.... call Query.rewrite() and pass the returned
Query to the Highlighter, not the original FuzzyQuery. I believe the
javadocs for Highlighter even mention this? Or at least its an FAQ
that hopefully is on the wiki or easily findable somehow.
Erik
On Apr 4, 2006, at 9:10 AM, Fisheye wrote:
Ok, thanks Erik. So probably my code may explain it:
----------------------------------------------------------------------
---------------------------------------------------------
public void searchQuery(String q, float rel, String indexDir){
String excerpt = "";
try{
Searcher searcher = new IndexSearcher(indexDir);
Analyzer analyzer = new StandardAnalyzer();
Term searchTerm = new Term("text", q);
FuzzyQuery fuzzyQuery = new FuzzyQuery(searchTerm, rel/100);
System.out.println("Searching for: " + q);
Hits hits = searcher.search(fuzzyQuery);
System.out.println(hits.length() + " total matching documents");
for (int i = 0; i < hits.length(); i++){
Document doc = hits.doc(i);
String path = doc.get("path");
SearchTextHighlighter processText =
new SearchTextHighlighter();
// excerpt =
// processText.getExcerpt(doc.get("text"),
q, fuzzyQuery);
if (path != null){
System.out.println(i + ".-------");
System.out.println(" Path: " +
path);
System.out.println(" Score: " + hits.score
(i));
System.out.println(" DocID: " + doc.get
("docID"));
System.out.println(" Snippet: " +
excerpt);
System.out.println();
}else{
String url = doc.get("url");
if (url != null){
System.out.println(i +
". " + url);
System.out.println(" -
" + doc.get("title"));
System.out.println("Score: " + hits.score(i));
}else{
System.out.println(i +
". " + "No
path nor URL for this document");
}
}
}
searcher.close();
}catch (Exception e){
e.printStackTrace();
}
}
----------------------------------------------------------------------
---------------------------------------------------------
Method getExcerpt does the following:
----------------------------------------------------------------------
---------------------------------------------------------
public String getExcerpt(String textToCompute, String queryText,
Query
query) {
String excerpt = "";
String vTemp = "";
Analyzer analyzer = new StandardAnalyzer();
Highlighter highlighter = new Highlighter(new QueryScorer(query));
if(textToCompute != null ){
TokenStream tokenStream = analyzer.tokenStream("text",
new StringReader(textToCompute));
try {
vTemp = highlighter.getBestFragment(tokenStream,
textToCompute);
excerpt = vTemp.replaceAll("" + queryText + "", queryText);
}
catch (IOException ex) {
}
}
return excerpt;
}
----------------------------------------------------------------------
---------------------------------------------------------
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