345449.vhj5l3oj7.asia: MakeWordNetCache.java

Mon Jun 12 16:00:00 GMT 2000

MakeWordNetCache

/**
 * Title:        MakeWordNetCache<p>
 * Description:  Reads WordNet 1.6 index files and makes a part of speech
 *               serialized file consisting of 4 Java hash tables (for adj,
 *               adv, noun, and verb).
 * Copyright:    Copyright (c) by Mark Watson, 2000<p>
 * @author Mark Watson
 * @version 1.1
 */

/**      Wordnet 1.6 Copyright and License:

1 This software and database is being provided to you, the LICENSEE, by  
  2 Princeton University under the following license.  By obtaining, using  
  3 and/or copying this software and database, you agree that you have  
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  5   
  6 Permission to use, copy, modify and distribute this software and  
  7 database and its documentation for any purpose and without fee or  
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  9 the following copyright notice and statements, including the disclaimer,  
  10 and that the same appear on ALL copies of the software, database and  
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  12 use or for distribution.  
  13   
  14 WordNet 1.6 Copyright 1997 by Princeton University.  All rights reserved.  
  15   
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import java.io.*;
import java.util.*;

public class MakeWordNetCache {

Hashtable adj = new Hashtable();
    Hashtable adv = new Hashtable();
    Hashtable noun = new Hashtable();
    Hashtable verb = new Hashtable();

public MakeWordNetCache() {
        helper("index.adj", adj);
        helper("index.adv", adv);
        helper("index.noun", noun);
        helper("index.verb", verb);
        //System.out.println(verb.get("run"));
        try {
            FileOutputStream ostream = new FileOutputStream("wncache.dat");
            ObjectOutputStream p = new ObjectOutputStream(ostream);
            p.writeObject(adj);
            p.writeObject(adv);
            p.writeObject(noun);
            p.writeObject(verb);
            p.flush();
            ostream.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

Boolean t = new Boolean(true);

public void helper(String file, Hashtable hash) {
	int count = 0;
        try {
            FileReader fr = new FileReader(file);
            BufferedReader br = new BufferedReader(fr);
	    // skip copyright notice:
	    for (int i=0; i<30; i++) br.readLine();
            while (true) {
                String line = br.readLine();
                if (line == null) break;
                line = line.trim();
                int index1 = line.indexOf(" ");
                if (index1 == -1) continue;
		line = line.substring(0, index1);
                int index2 = line.indexOf(".");
                if (index2 != -1) continue;
                index2 = line.indexOf("_");
                if (index2 != -1) continue;
		line = line.toLowerCase();
                Object o = hash.get(line);
                if (o == null) {
                    hash.put(line, t);
                    //System.out.println(file + " : " + line);
		    count++;
                }
            }
	    System.out.println("" + count + " words added for " + file);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

public static void main(String[] args) {
        MakeWordNetCache MakeWordNetCache1 = new MakeWordNetCache();
    }
}

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