Java InvalidTokenOffsetsException类代码示例

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
public void checkGeoQueryHighlighting(Query geoQuery) throws IOException, InvalidTokenOffsetsException {
    Map analysers = new HashMap<String, Analyzer>();
    analysers.put("text", new StandardAnalyzer());
    FieldNameAnalyzer fieldNameAnalyzer = new FieldNameAnalyzer(analysers);
    Query termQuery = new TermQuery(new Term("text", "failure"));
    Query boolQuery = new BooleanQuery.Builder().add(new BooleanClause(geoQuery, BooleanClause.Occur.SHOULD))
        .add(new BooleanClause(termQuery, BooleanClause.Occur.SHOULD)).build();
    org.apache.lucene.search.highlight.Highlighter highlighter =
        new org.apache.lucene.search.highlight.Highlighter(new CustomQueryScorer(boolQuery));
    String fragment = highlighter.getBestFragment(fieldNameAnalyzer.tokenStream("text", "Arbitrary text field which should not cause " +
        "a failure"), "Arbitrary text field which should not cause a failure");
    assertThat(fragment, equalTo("Arbitrary text field which should not cause a <B>failure</B>"));
    Query rewritten = boolQuery.rewrite(null);
    highlighter = new org.apache.lucene.search.highlight.Highlighter(new CustomQueryScorer(rewritten));
    fragment = highlighter.getBestFragment(fieldNameAnalyzer.tokenStream("text", "Arbitrary text field which should not cause " +
        "a failure"), "Arbitrary text field which should not cause a failure");
    assertThat(fragment, equalTo("Arbitrary text field which should not cause a <B>failure</B>"));
}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
/**
 * Select only not already indexed files from a collection.
 *
 * @param fileCollection the file collection
 * @param location the location
 * @return the linked list
 * @throws IOException Signals that an I/O exception has occurred.
 * @throws ParseException the parse exception
 * @throws InvalidTokenOffsetsException the invalid token offsets exception
 */
// Return the collection with extracted (not indexed) Files
public static LinkedList<File> selectOnlyNotAlreadyIndexedFilesFromACollection(List<File> fileCollection, String location) throws IOException, ParseException, InvalidTokenOffsetsException {
	// Getting the path of our index and opens a reader to read the index in the current folder
	Path dirPath = Paths.get(location);
	FSDirectory dir = FSDirectory.open(dirPath);
	DirectoryReader indexReader = DirectoryReader.open(dir);
	LinkedList<File> onlyNotIndexedFiles = new LinkedList<File>();
	
	for (File file : fileCollection) {
		// Creates new Term using the path of the html file 
		Term indexTerm = new Term("path", file.getPath());
					
		// Checks if a document in the index has the same path
		if (indexReader.docFreq(indexTerm) > 0)
		{
			// If yes do not add the document
			continue;
		}
		else {
			onlyNotIndexedFiles.add(file);
		}
	}
	indexReader.close();
	return onlyNotIndexedFiles;
}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
String highlight(String fieldName, String text) {
  if (text == null) {
    return null;
  }

  try {
    String highlighted = highlighter.getBestFragment(analyzer, fieldName, text);
    if (highlighted == null) {
      return null;
    }

    highlighted = cleanUpPattern.matcher(highlighted).replaceAll("");
    highlighted = replaceLFPattern.matcher(highlighted).replaceAll(" ");
    if (highlighted.isEmpty()) {
      highlighted = null;
    }

    return highlighted;
  } catch (InvalidTokenOffsetsException|IOException e) {
    return null;
  }
}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
/**
 * ����
 * @param analyzer
 * @param searcher
 * @throws IOException
 * @throws InvalidTokenOffsetsException
 */
public void searToHighlighterCss(Analyzer analyzer,IndexSearcher searcher) throws IOException, InvalidTokenOffsetsException{  
       Term term =new Term("Content", new String("免费".getBytes(),"GBK"));//��ѯ��������˼����Ҫ�����Ա�Ϊ���������  
       TermQuery query =new TermQuery(term);  
       TopDocs docs =searcher.search(query, 10);//����  
         
       /**�Զ����ע�����ı���ǩ*/  
       SimpleHTMLFormatter formatter = new SimpleHTMLFormatter("<span class=\"hightlighterCss\">","</span>");  
       /**����QueryScorer*/  
       QueryScorer scorer=new QueryScorer(query);  
       /**����Fragmenter*/  
       Fragmenter fragmenter = new SimpleSpanFragmenter(scorer);  
       Highlighter highlight=new Highlighter(formatter,scorer);  
       highlight.setTextFragmenter(fragmenter);  
       
       for(ScoreDoc doc:docs.scoreDocs){//��ȡ���ҵ��ĵ����������
           Document document =searcher.doc(doc.doc);
           String value = document.getField("Content").toString();
           TokenStream tokenStream = analyzer.tokenStream("Content", new StringReader(value));    
           String str1 = highlight.getBestFragment(tokenStream, value);    
           System.out.println(str1);
       }  
   }
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
/**
 * 
 * @throws IOException
 * @throws InvalidTokenOffsetsException
 */
private List<Person> translateDocs(final LuceneIndex<Person> luceneDb, final IndexSearcher searcher, final TopDocs topDocs, final Query query) throws IOException, InvalidTokenOffsetsException {
	final List<Person> dtcResult = new ArrayList<>();
	for (final ScoreDoc scoreDoc : topDocs.scoreDocs) {
		final Document document = searcher.doc(scoreDoc.doc);
		final Person dto = luceneDb.getObjectIndexed(document.get(UUID_KEY));
		dto.setScore(Math.round(scoreDoc.score / Math.max(topDocs.getMaxScore(), 2.5f) * 100));
		dtcResult.add(dto);

		//final QueryScorer queryScorer = new QueryScorer(query);
		//final Highlighter highlighter = new Highlighter(queryScorer);
		//highlighter.setTextFragmenter(new SimpleSpanFragmenter(queryScorer, Integer.MAX_VALUE));
		//highlighter.setMaxDocCharsToAnalyze(Integer.MAX_VALUE);
		//final String[] strings = highlighter.getBestFragments(indexAnalyser, "fullname", dto.getName() + " " + dto.getFirstname(), 5);
		//System.out.println("found: " + Arrays.toString(strings));
	}
	return dtcResult;
}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
@Override
public String highlight(String locale, boolean useStopWords, String query, String content, String pre, String post, int preview) {
    Analyzer analyzer = termAnalyzers.findAnalyzer(locale, useStopWords);
    QueryParser parser = new QueryParser(defaultField, analyzer);

    String summary = null;
    try {
        SimpleHTMLFormatter formatter = new SimpleHTMLFormatter(pre, post);
        Highlighter hg = new Highlighter(formatter, new QueryTermScorer(parser.parse(query)));
        hg.setMaxDocCharsToAnalyze(preview);
        hg.setTextFragmenter(new SimpleFragmenter(100));

        TokenStream tokens = TokenSources.getTokenStream(defaultField, content, analyzer);
        summary = hg.getBestFragments(tokens, content, 4, " ... ");
    } catch (InvalidTokenOffsetsException | IOException | ParseException ex) {
        LOG.error("Failed to highlight", ex);
    }

    return StringUtils.isBlank(summary) ? null : summary;
}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
/**
 * This method intended for use with
 * <tt>testHighlightingWithDefaultField()</tt>
 */
private String highlightField(Query query, String fieldName,
    String text) throws IOException, InvalidTokenOffsetsException {
  TokenStream tokenStream = new MockAnalyzer(random(), MockTokenizer.SIMPLE,
      true, MockTokenFilter.ENGLISH_STOPSET, true).tokenStream(fieldName,
      new StringReader(text));
  // Assuming "<B>", "</B>" used to highlight
  SimpleHTMLFormatter formatter = new SimpleHTMLFormatter();
  MyQueryScorer scorer = new MyQueryScorer(query, fieldName, FIELD_NAME);
  Highlighter highlighter = new Highlighter(formatter, scorer);
  highlighter.setTextFragmenter(new SimpleFragmenter(Integer.MAX_VALUE));

  String rv = highlighter.getBestFragments(tokenStream, text, 1,
      "(FIELD TEXT TRUNCATED)");
  return rv.length() == 0 ? text : rv;
}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
static String displayHtmlHighlight(Query query, Analyzer analyzer, String fieldName, String fieldContent,
		int fragmentSize) throws IOException, InvalidTokenOffsetsException {
	Highlighter highlighter = new Highlighter(new SimpleHTMLFormatter("<font color='red'>", "</font>"),
			new QueryScorer(query));
	Fragmenter fragmenter = new SimpleFragmenter(fragmentSize);
	highlighter.setTextFragmenter(fragmenter);
	return highlighter.getBestFragment(analyzer, fieldName, fieldContent);
}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
/**
 * Performs highlighting for a given query and a given document.
 *
 * @param indexSearcher the IndexSearcher performing the query
 * @param query the Tripod LuceneQuery
 * @param scoreDoc the Lucene ScoreDoc
 * @param doc the Lucene Document
 * @param highlighter the Highlighter to use
 * @param result the QueryResult to add the highlights to
 * @throws IOException if an error occurs performing the highlighting
 * @throws InvalidTokenOffsetsException if an error occurs performing the highlighting
 */
protected void performHighlighting(final IndexSearcher indexSearcher, final Query query, final ScoreDoc scoreDoc,
                                   final Document doc, final Highlighter highlighter, final QR result)
        throws IOException, InvalidTokenOffsetsException {

    if (query.getHighlightFields() == null || query.getHighlightFields().isEmpty()) {
        return;
    }

    final List<Highlight> highlights = new ArrayList<>();
    final List<String> hlFieldNames = getHighlightFieldNames(query, doc);

    // process each field to highlight on
    for (String hlField : hlFieldNames) {
        final String text = doc.get(hlField);
        if (StringUtils.isEmpty(text)) {
            continue;
        }

        final List<String> snippets = new ArrayList<>();
        final Fields tvFields = indexSearcher.getIndexReader().getTermVectors(scoreDoc.doc);
        final int maxStartOffset = highlighter.getMaxDocCharsToAnalyze() -1;

        // get the snippets for the given field
        final TokenStream tokenStream = TokenSources.getTokenStream(hlField, tvFields, text, analyzer, maxStartOffset);
        final TextFragment[] textFragments = highlighter.getBestTextFragments(tokenStream, text, false, 10);
        for (TextFragment textFragment : textFragments) {
            if (textFragment != null && textFragment.getScore() > 0) {
                snippets.add(textFragment.toString());
            }
        }

        // if we have snippets then add a highlight result to the QueryResult
        if (snippets.size() > 0) {
            highlights.add(new Highlight(hlField, snippets));
        }
    }

    result.setHighlights(highlights);
}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
@ResponseBody
@RequestMapping(value = "/search/{key}", method = RequestMethod.GET, 
			produces="application/json;charset=UTF-8")
public String search(@PathVariable String key) throws IOException, 
		ParseException, InvalidTokenOffsetsException {
	return searchData(key);
}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
public void testHighlightCustomQuery() throws IOException,
    InvalidTokenOffsetsException {
  String s1 = "I call our world Flatland, not because we call it so,";

  // Verify that a query against the default field results in text being
  // highlighted
  // regardless of the field name.

  CustomQuery q = new CustomQuery(new Term(FIELD_NAME, "world"));

  String expected = "I call our <B>world</B> Flatland, not because we call it so,";
  String observed = highlightField(q, "SOME_FIELD_NAME", s1);
  if (VERBOSE)
    System.out.println("Expected: \"" + expected + "\n" + "Observed: \""
        + observed);
  assertEquals(
      "Query in the default field results in text for *ANY* field being highlighted",
      expected, observed);

  // Verify that a query against a named field does not result in any
  // highlighting
  // when the query field name differs from the name of the field being
  // highlighted,
  // which in this example happens to be the default field name.
  q = new CustomQuery(new Term("text", "world"));

  expected = s1;
  observed = highlightField(q, FIELD_NAME, s1);
  if (VERBOSE)
    System.out.println("Expected: \"" + expected + "\n" + "Observed: \""
        + observed);
  assertEquals(
      "Query in a named field does not result in highlighting when that field isn't in the query",
      s1, highlightField(q, FIELD_NAME, s1));

}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
/**
 * This method intended for use with
 * <tt>testHighlightingWithDefaultField()</tt>
 */
private String highlightField(Query query, String fieldName,
    String text) throws IOException, InvalidTokenOffsetsException {
  TokenStream tokenStream = new MockAnalyzer(random(), MockTokenizer.SIMPLE,
      true, MockTokenFilter.ENGLISH_STOPSET).tokenStream(fieldName, text);
  // Assuming "<B>", "</B>" used to highlight
  SimpleHTMLFormatter formatter = new SimpleHTMLFormatter();
  MyQueryScorer scorer = new MyQueryScorer(query, fieldName, FIELD_NAME);
  Highlighter highlighter = new Highlighter(formatter, scorer);
  highlighter.setTextFragmenter(new SimpleFragmenter(Integer.MAX_VALUE));

  String rv = highlighter.getBestFragments(tokenStream, text, 1,
      "(FIELD TEXT TRUNCATED)");
  return rv.length() == 0 ? text : rv;
}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
/**
 * Highlight (bold,color) query words in result-document. Set HighlightResult for content or description.
 * 
 * @param query
 * @param analyzer
 * @param doc
 * @param resultDocument
 * @throws IOException
 */
private void doHighlight(final Query query, final Analyzer analyzer, final Document doc, final ResultDocument resultDocument) throws IOException {
    final Highlighter highlighter = new Highlighter(new SimpleHTMLFormatter(HIGHLIGHT_PRE_TAG, HIGHLIGHT_POST_TAG), new QueryScorer(query));
    // Get 3 best fragments of content and seperate with a "..."
    try {
        // highlight content
        final String content = doc.get(AbstractOlatDocument.CONTENT_FIELD_NAME);
        TokenStream tokenStream = analyzer.tokenStream(AbstractOlatDocument.CONTENT_FIELD_NAME, new StringReader(content));
        String highlightResult = highlighter.getBestFragments(tokenStream, content, 3, HIGHLIGHT_SEPARATOR);

        // if no highlightResult is in content => look in description
        if (highlightResult.length() == 0) {
            final String description = doc.get(AbstractOlatDocument.DESCRIPTION_FIELD_NAME);
            tokenStream = analyzer.tokenStream(AbstractOlatDocument.DESCRIPTION_FIELD_NAME, new StringReader(description));
            highlightResult = highlighter.getBestFragments(tokenStream, description, 3, HIGHLIGHT_SEPARATOR);
            resultDocument.setHighlightingDescription(true);
        }
        resultDocument.setHighlightResult(highlightResult);

        // highlight title
        final String title = doc.get(AbstractOlatDocument.TITLE_FIELD_NAME);
        tokenStream = analyzer.tokenStream(AbstractOlatDocument.TITLE_FIELD_NAME, new StringReader(title));
        final String highlightTitle = highlighter.getBestFragments(tokenStream, title, 3, " ");
        resultDocument.setHighlightTitle(highlightTitle);
    } catch (final InvalidTokenOffsetsException e) {
        log.warn("", e);
    }
}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
private List<Person> executeQuery(final LuceneIndex<Person> luceneDb, final Query query, final int maxRow) throws IOException, InvalidTokenOffsetsException {
	try (final IndexReader indexReader = luceneDb.createIndexReader()) {
		final IndexSearcher searcher = new IndexSearcher(indexReader);
		//1. Exécution des la Requête
		final TopDocs topDocs = searcher.search(query, null, maxRow);

		//2. Traduction du résultat Lucene en une Collection
		return translateDocs(luceneDb, searcher, topDocs, query);
	} catch (final TooManyClauses e) {
		throw new RuntimeException("Too many clauses", e);
	}
}
 

import org.apache.lucene.search.highlight.InvalidTokenOffsetsException; //导入依赖的package包/类
public void testGeoPointInBBoxQueryHighlighting() throws IOException, InvalidTokenOffsetsException {
    Query geoQuery = new GeoPointDistanceQuery("geo_point", -64.92354174306496, -170.15625, 5576757);
    checkGeoQueryHighlighting(geoQuery);
}