package com.laoer.bbscs.lucene;/** * Copyright 2004 The Apache Software Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *     http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */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;class SearchFiles {  public static void main(String[] args) {    try {      Searcher searcher = new IndexSearcher("index");      Analyzer analyzer = new StandardAnalyzer();      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());    }  }}