geturlstatusfromcollection.java

关于Ultraseek的一些用法,刚初学,所以都是比较简单

/* -*- mode:java; indent-tabs-mode:nil; c-basic-offset:2 -*-
 *
 *  $RCSFile$ $Revision: 1.25 $ $Date: 2006/02/01 00:20:31 $
 *
 *  Copyright (c) 2000-2002 Autonomy Corp.  All Rights Reserved.
 *  Permission to use, copy, modify, and distribute this file is hereby
 *  granted without fee, provided that the above copyright notice appear
 *  in all copies.
 */

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.Iterator;
import java.util.NoSuchElementException;

import com.ultraseek.xpa.search.Query;
import com.ultraseek.xpa.search.SearchResult;
import com.ultraseek.xpa.search.SearchResultList;
import com.ultraseek.xpa.search.URLQuery;
import com.ultraseek.xpa.server.UltraseekServer;
import com.ultraseek.xpa.server.ScannerCollection;
import com.ultraseek.xpa.server.SpiderCollection;
import com.ultraseek.xpa.server.URLStatus;
import com.ultraseek.xpa.server.UltraseekCollection;

/**
 *  A simple demo application that adds URLs 
 *  to an Ultraseek collection.
 */
public class GetURLStatusFromCollection {
  GetURLStatusFromCollection() { }
  public static void main(String[] args) throws Exception {
    InputStreamReader inputStreamReader = new InputStreamReader(System.in);
    BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
    System.out.println();
    System.out.println("This is a simple demo application that gets URL");
    System.out.println("status from an Ultraseek collection.");
    System.out.println();
    System.out.println("Enter the hostname and TCP port of your");
    System.out.println("running Ultraseek instance.");
    System.out.print("hostname: ");
    String host = bufferedReader.readLine();
    System.out.print("TCP port: ");
    int port = Integer.parseInt(bufferedReader.readLine());
    UltraseekServer server = new UltraseekServer(host,port);
    System.out.println();
    System.out.println("Here is the UltraseekServer object:");
    System.out.println(server);
    System.out.println("Enter the internal name of the collection.");
    System.out.print("collection: ");
    String id = bufferedReader.readLine();
    UltraseekCollection collection 
      = (UltraseekCollection)server.getSearchCollection(id);
    System.out.println();
    System.out.println("Here is the UltraseekCollection object:");
    System.out.println(collection);
    for (;;) {
      System.out.println();
      System.out.println("Enter a URL to get the status for.");
      System.out.print("URL: ");
      String line = bufferedReader.readLine();
      if (line==null) break;
      URL url = new URL(line);
      URLStatus urlStatus;
      if (collection instanceof SpiderCollection) {
        urlStatus = ((SpiderCollection)collection)
          .getURLStatus(url);
      } else if (collection instanceof ScannerCollection) {
        urlStatus = ((ScannerCollection)collection)
          .getURLStatus(url);
      } else {
        System.out.println("Can't getURLStatus on that kind of collection.");
        continue;
      }
      System.out.println();
      System.out.println("Here is the URLStatus object:");
      System.out.println(urlStatus);
      Query query = new URLQuery(url);
      System.out.println();
      System.out.println("Here is the URLQuery object:");
      System.out.println(query);
      SearchResultList searchResultList = collection.search(query);
      System.out.println();
      System.out.println("Here is the SearchResultList object:");
      System.out.println(searchResultList);
      System.out.println();
      if (!searchResultList.isEmpty()) {
        System.out.println("Here are the SearchResult objects:");
        Iterator iterator = searchResultList.iterator();
        try {
          while (iterator.hasNext()) {
            SearchResult searchResult = (SearchResult)iterator.next();
            System.out.println();
            System.out.println(searchResult);
          }
        } catch (NoSuchElementException e) {
          /* No more results from server, not an error. */
        }
      } else {
        System.out.println("There are no SearchResult objects.");
      }
    }
  }
}