www.pudn.com > lucene.rar > SearchFiles.java

/* 
 * Created on 2005-12-31 
 * 
 * TODO To change the template for this generated file go to 
 * Window - Preferences - Java - Code Style - Code Templates 
 */ 
package examples.ch; 
 
import java.io.IOException; 
import java.io.BufferedReader; 
import java.io.InputStreamReader; 
 
import org.apache.lucene.analysis.Analyzer; 
import org.apache.lucene.analysis.standard.StandardAnalyzer; 
import org.apache.lucene.document.Document; 
import org.apache.lucene.search.Searcher; 
import org.apache.lucene.search.IndexSearcher; 
import org.apache.lucene.search.Query; 
import org.apache.lucene.search.Hits; 
import org.apache.lucene.queryParser.QueryParser; 
import org.apache.lucene.analysis.cn.*; 
class SearchFiles { 
  public static void main(String[] args) { 
    try { 
      Searcher searcher = new IndexSearcher("index"); 
    //  Analyzer analyzer = new StandardAnalyzer(); 
     ChineseAnalyzer analyzer=new ChineseAnalyzer(); 
      BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); 
      while (true) { 
	System.out.print("Query: "); 
	String line = in.readLine(); 
 
	if (line.length() == -1) 
	  break; 
 
	Query query = QueryParser.parse(line, "contents", analyzer); 
	System.out.println("Searching for: " + query.toString("contents")); 
 
	Hits hits = searcher.search(query); 
	System.out.println(hits.length() + " total matching documents"); 
 
	final int HITS_PER_PAGE = 10; 
	for (int start = 0; start < hits.length(); start += HITS_PER_PAGE) { 
	  int end = Math.min(hits.length(), start + HITS_PER_PAGE); 
	  for (int i = start; i < end; i++) { 
	    Document doc = hits.doc(i); 
	    String path = doc.get("path"); 
	    if (path != null) { 
              System.out.println(i + ". " + path); 
	    } else { 
              String url = doc.get("url"); 
	      if (url != null) { 
		System.out.println(i + ". " + url); 
		System.out.println("   - " + doc.get("title")); 
	      } else { 
		System.out.println(i + ". " + "No path nor URL for this document"); 
	      } 
	    } 
	  } 
 
	  if (hits.length() > end) { 
	    System.out.print("more (y/n) ? "); 
	    line = in.readLine(); 
	    if (line.length() == 0 || line.charAt(0) == 'n') 
	      break; 
	  } 
	} 
      } 
      searcher.close(); 
 
    } catch (Exception e) { 
      System.out.println(" caught a " + e.getClass() + 
			 "\n with message: " + e.getMessage()); 
    } 
  } 
}