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Java Highlighter类代码示例

本文整理汇总了Java中org.apache.lucene.search.highlight.Highlighter类的典型用法代码示例。如果您正苦于以下问题：Java Highlighter类的具体用法？Java Highlighter怎么用？Java Highlighter使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


Highlighter类属于org.apache.lucene.search.highlight包，在下文中一共展示了Highlighter类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: getHighlightString

import org.apache.lucene.search.highlight.Highlighter; //导入依赖的package包/类
public static String getHighlightString (String text, String keyword) throws IOException {
       TermQuery query = new TermQuery(new Term("f", keyword));
QueryScorer scorer = new QueryScorer(query);
SimpleHTMLFormatter formatter = new SimpleHTMLFormatter("<span class=\"highlight\">","</span>");
Highlighter highlighter = new Highlighter(formatter, scorer);
Fragmenter fragmenter = new SimpleFragmenter(50);
highlighter.setTextFragmenter(fragmenter);
TokenStream tokenStream = new StandardAnalyzer(Version.LUCENE_20).tokenStream("f", new StringReader(text));
//String result = highlighter.getBestFragments(tokenStream, text, 30, "...");

StringBuilder writer = new StringBuilder("");
writer.append("<html>");
writer.append("<style>\n" +
	".highlight {\n" +
	" background: yellow;\n" +
	"}\n" +
	"</style>");
writer.append("<body>");
writer.append("");
writer.append("</body></html>");

return ( writer.toString() );
   }
开发者ID:CoEIA，项目名称:DEM，代码行数:24，代码来源:TextHighlighter.java

示例2: searToHighlighterCss

import org.apache.lucene.search.highlight.Highlighter; //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);
       }  
   }
开发者ID:Smalinuxer，项目名称:Rearchor，代码行数:30，代码来源:TestHighLight.java

示例3: highlight

import org.apache.lucene.search.highlight.Highlighter; //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;
}
开发者ID:jivesoftware，项目名称:miru，代码行数:21，代码来源:LuceneBackedQueryParser.java

示例4: highlightField

import org.apache.lucene.search.highlight.Highlighter; //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;
}
开发者ID:pkarmstr，项目名称:NYBC，代码行数:20，代码来源:HighlightCustomQueryTest.java

示例5: testHits

import org.apache.lucene.search.highlight.Highlighter; //导入依赖的package包/类
public void testHits() throws Exception {
    IndexSearcher searcher = new IndexSearcher(TestUtil.getBookIndexDirectory());
    TermQuery query = new TermQuery(new Term("title", "action"));
    TopDocs hits = searcher.search(query, 10);

    QueryScorer scorer = new QueryScorer(query, "title");
    Highlighter highlighter = new Highlighter(scorer);
    highlighter.setTextFragmenter(new SimpleSpanFragmenter(scorer));

    Analyzer analyzer = new SimpleAnalyzer();

    for (ScoreDoc sd : hits.scoreDocs) {
        StoredDocument doc = searcher.doc(sd.doc);
        String title = doc.get("title");

        TokenStream stream = TokenSources.getAnyTokenStream(searcher.getIndexReader(), sd.doc, "title", doc,
                analyzer);
        String fragment = highlighter.getBestFragment(stream, title);

        LOGGER.info(fragment);
    }
}
开发者ID:xuzhikethinker，项目名称:t4f-data，代码行数:23，代码来源:HighlightTest.java

示例6: displayHtmlHighlight

import org.apache.lucene.search.highlight.Highlighter; //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);
}
开发者ID:tedyli，项目名称:Tedyli-Searcher，代码行数:9，代码来源:Searcher.java

示例7: search

import org.apache.lucene.search.highlight.Highlighter; //导入依赖的package包/类
public static void search(String indexDir, String q) throws Exception {
  Directory dir = FSDirectory.open(Paths.get(indexDir));
  IndexReader reader = DirectoryReader.open(dir);
  IndexSearcher is = new IndexSearcher(reader);
  // Analyzer analyzer=new StandardAnalyzer(); // 标准分词器
  SmartChineseAnalyzer analyzer = new SmartChineseAnalyzer();
  QueryParser parser = new QueryParser("desc", analyzer);
  Query query = parser.parse(q);

  long start = System.currentTimeMillis();
  TopDocs hits = is.search(query, 10);
  long end = System.currentTimeMillis();
  System.out.println("匹配 " + q + " ，总共花费" + (end - start) + "毫秒" + "查询到" + hits.totalHits + "个记录");

  QueryScorer scorer = new QueryScorer(query);
  Fragmenter fragmenter = new SimpleSpanFragmenter(scorer);
  SimpleHTMLFormatter simpleHTMLFormatter = new SimpleHTMLFormatter("<b><font color='red'>", "</font></b>");
  Highlighter highlighter = new Highlighter(simpleHTMLFormatter, scorer);
  highlighter.setTextFragmenter(fragmenter);
  for (ScoreDoc scoreDoc : hits.scoreDocs) {
    Document doc = is.doc(scoreDoc.doc);
    System.out.println(doc.get("city"));
    System.out.println(doc.get("desc"));
    String desc = doc.get("desc");
    if (desc != null) {
      TokenStream tokenStream = analyzer.tokenStream("desc", new StringReader(desc));
      System.out.println(highlighter.getBestFragment(tokenStream, desc));
    }
  }
  reader.close();
}
开发者ID:MiniPa，项目名称:cjs_ssms，代码行数:32，代码来源:SearcherTest.java

示例8: search

import org.apache.lucene.search.highlight.Highlighter; //导入依赖的package包/类
@Override
@SuppressWarnings("unchecked")
public List<Post> search(Paging paging, String q) throws Exception {
	FullTextSession fullTextSession = Search.getFullTextSession(super.session());
    SearchFactory sf = fullTextSession.getSearchFactory();
    QueryBuilder qb = sf.buildQueryBuilder().forEntity(PostPO.class).get();

	org.apache.lucene.search.Query luceneQuery  = qb.keyword().onFields("title","summary","tags").matching(q).createQuery();

	FullTextQuery query = fullTextSession.createFullTextQuery(luceneQuery);
    query.setFirstResult(paging.getFirstResult());
    query.setMaxResults(paging.getMaxResults());

    StandardAnalyzer standardAnalyzer = new StandardAnalyzer();
    SimpleHTMLFormatter formatter = new SimpleHTMLFormatter("<span style='color:red;'>", "</span>");
       QueryScorer queryScorer = new QueryScorer(luceneQuery);
       Highlighter highlighter = new Highlighter(formatter, queryScorer);
       
	List<PostPO> list = query.list();
    List<Post> rets = new ArrayList<>(list.size());

    for (PostPO po : list) {
		Post m = BeanMapUtils.copy(po, 0);

		// 处理高亮
		String title = highlighter.getBestFragment(standardAnalyzer, "title", m.getTitle());
		String summary = highlighter.getBestFragment(standardAnalyzer, "summary", m.getSummary());

		if (StringUtils.isNotEmpty(title)) {
			m.setTitle(title);
		}
		if (StringUtils.isNotEmpty(summary)) {
			m.setSummary(summary);
		}
		rets.add(m);
	}

	paging.setTotalCount(query.getResultSize());
	return rets;
}
开发者ID:ThomasYangZi，项目名称:mblog，代码行数:41，代码来源:PostDaoImpl.java

示例9: performHighlighting

import org.apache.lucene.search.highlight.Highlighter; //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);
}
开发者ID:bbende，项目名称:tripod，代码行数:52，代码来源:LuceneService.java

示例10: HighlightingHelper

import org.apache.lucene.search.highlight.Highlighter; //导入依赖的package包/类
HighlightingHelper(Query query, Analyzer analyzer) {
  this.analyzer = analyzer;

  Formatter formatter = new SimpleHTMLFormatter();
  Encoder encoder = new MinimalHTMLEncoder();
  scorer = new QueryScorer(query);
  highlighter = new Highlighter(formatter, encoder, scorer);

  fragmentLength = DEFAULT_FRAGMENT_LENGTH;
  Fragmenter fragmenter = new SimpleSpanFragmenter(scorer, fragmentLength);
  highlighter.setTextFragmenter(fragmenter);
}
开发者ID:lukhnos，项目名称:lucenestudy，代码行数:13，代码来源:HighlightingHelper.java

示例11: highlightField

import org.apache.lucene.search.highlight.Highlighter; //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;
}
开发者ID:europeana，项目名称:search，代码行数:19，代码来源:HighlightCustomQueryTest.java

示例12: setup

import org.apache.lucene.search.highlight.Highlighter; //导入依赖的package包/类
@Override
public void setup() throws Exception {
  super.setup();
  //check to make sure either the doc is being stored
  PerfRunData data = getRunData();
  if (data.getConfig().get("doc.stored", false) == false){
    throw new Exception("doc.stored must be set to true");
  }
  maxDocCharsToAnalyze = data.getConfig().get("highlighter.maxDocCharsToAnalyze", Highlighter.DEFAULT_MAX_CHARS_TO_ANALYZE);
}
开发者ID:europeana，项目名称:search，代码行数:11，代码来源:SearchTravRetHighlightTask.java

示例13: getBenchmarkHighlighter

import org.apache.lucene.search.highlight.Highlighter; //导入依赖的package包/类
@Override
protected BenchmarkHighlighter getBenchmarkHighlighter(Query q){
  highlighter = new Highlighter(new SimpleHTMLFormatter(), new QueryScorer(q));
  highlighter.setMaxDocCharsToAnalyze(maxDocCharsToAnalyze);
  return new BenchmarkHighlighter(){
    @Override
    public int doHighlight(IndexReader reader, int doc, String field,
        Document document, Analyzer analyzer, String text) throws Exception {
      TokenStream ts = TokenSources.getAnyTokenStream(reader, doc, field, document, analyzer);
      TextFragment[] frag = highlighter.getBestTextFragments(ts, text, mergeContiguous, maxFrags);
      return frag != null ? frag.length : 0;
    }
  };
}
开发者ID:europeana，项目名称:search，代码行数:15，代码来源:SearchTravRetHighlightTask.java

示例14: getBenchmarkHighlighter

import org.apache.lucene.search.highlight.Highlighter; //导入依赖的package包/类
@Override
public BenchmarkHighlighter getBenchmarkHighlighter(Query q) {
  highlighter = new Highlighter(new SimpleHTMLFormatter(), new QueryScorer(q));
  return new BenchmarkHighlighter() {
    @Override
    public int doHighlight(IndexReader reader, int doc, String field, Document document, Analyzer analyzer, String text) throws Exception {
      TokenStream ts = TokenSources.getAnyTokenStream(reader, doc, field, document, analyzer);
      TextFragment[] frag = highlighter.getBestTextFragments(ts, text, mergeContiguous, maxFrags);
      numHighlightedResults += frag != null ? frag.length : 0;
      return frag != null ? frag.length : 0;
    }
  };
}
开发者ID:europeana，项目名称:search，代码行数:14，代码来源:CountingHighlighterTestTask.java

示例15: createContextSummary

import org.apache.lucene.search.highlight.Highlighter; //导入依赖的package包/类
public static String createContextSummary(Object highlighter, Analyzer analyzer, String text, int maxNumFragments,String defaultValue) throws IOException {
	if(!(highlighter instanceof Highlighter) || analyzer==null || StringUtil.isEmpty(text))
		return defaultValue;
		
	TokenStream tokenStream = analyzer.tokenStream("", new StringReader(text));
		return ((Highlighter)highlighter).getBestFragments(tokenStream, text, maxNumFragments, "...");       			
}
开发者ID:lucee，项目名称:Lucee4，代码行数:8，代码来源:_Highlight.java


注：本文中的org.apache.lucene.search.highlight.Highlighter类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。