t9.T9algo.java Source code

Introduction

Here is the source code for t9.T9algo.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package t9;

/**
 *
 * @author rb
 */
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Multimap;
import java.io.File;
import java.io.*;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class T9algo {
    static String ans;

    //   private static Object FileUtils;
    static String predict(String s) throws IOException {
        //    throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
        String num_string = text_to_nums(s);
        ans = nums_to_text(num_string);
        return ans;
    }

    private static String text_to_nums(String s) {
        // throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
        String k = "";
        Map<String, Integer> KEYPAD_MAP = new HashMap<String, Integer>();
        int c = 2;
        for (char i = 'a'; i < 'z';) {
            String a = "" + (char) i;
            KEYPAD_MAP.put(a, c * 10 + 1);
            i++;
            a = "" + (char) i;
            KEYPAD_MAP.put(a, c * 10 + 2);
            i++;
            a = "" + (char) i;
            KEYPAD_MAP.put(a, c * 10 + 3);
            i++;
            c++;
        }
        KEYPAD_MAP.put("z", 94);

        for (int i = 0; i < s.length(); ++i) {
            if (s.charAt(i) == 32)
                k += "*";
            else {
                String tmp = s.charAt(i) + "";
                k += KEYPAD_MAP.get(tmp) / 10;
            }

        }
        return k;
    }

    private static String nums_to_text(String num_string) throws FileNotFoundException, IOException {

        //   throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
        String li[] = num_string.split("\\*");
        TreeMap<String, String[]> z = new TreeMap<>();
        for (String num_word : li) {
            String tmp[] = textonyms(num_word);
            z.put(num_word, tmp);
        }
        String bnc_str;
        StringBuilder sb = new StringBuilder();

        BufferedReader br = new BufferedReader(
                new FileReader("/home/rb/NetBeansProjects/Test/src/test/all.num.o5.txt"));
        try {

            String line = br.readLine();

            while (line != null) {
                sb.append(line);
                sb.append(System.lineSeparator());
                line = br.readLine();
            }
            bnc_str = sb.toString();//.split("\\n");
            //   System.out.println(everything[1]);
        } finally {
            br.close();
        }
        Multimap<String, String> d3 = ArrayListMultimap.create();
        StringBuilder s_words = new StringBuilder();
        StringBuilder all_words = new StringBuilder();
        //      TreeMap<String,String> d3= new TreeMap<>();
        for (Map.Entry<String, String[]> entry : z.entrySet()) {
            String key = entry.getKey();
            String[] value = entry.getValue();
            for (String item : value) {
                String pattern = "(\\S*)" + item;
                Pattern r = Pattern.compile(pattern);
                Matcher m = r.matcher(bnc_str);
                int i;
                for (i = m.start() - 2; i >= 0; --i)
                    if (bnc_str.charAt(i) == 32)
                        break;
                d3.put(item, bnc_str.substring(i + 1, m.start() - 1));

            }
            //   all_words.append(bnc_str.substring(i+1,m.start()-1)+" ");

            all_words.append(d3.get(key) + " ");

        }
        return all_words.toString();
    }

    private static String[] textonyms(String num_word) throws FileNotFoundException, IOException {
        //    throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
        String[] all_possible;
        String[] everything;
        StringBuilder sb = new StringBuilder();
        // List<String> lines= Files.readLines(new File("/path/to/file.txt"), Charset.forName("utf-8"));
        BufferedReader br = new BufferedReader(new FileReader("/home/rb/NetBeansProjects/Test/src/test/words.txt"));
        try {

            String line = br.readLine();

            while (line != null) {
                sb.append(line);
                sb.append(System.lineSeparator());
                line = br.readLine();
            }
            everything = sb.toString().split("\\n");
            //   System.out.println(everything[1]);
        } finally {
            br.close();
        }
        sb = new StringBuilder();
        for (String word : everything) {
            if (num_word == text_to_nums(word))
                sb.append(word + "\n");
        }
        all_possible = sb.toString().split("\\n");
        return all_possible;
    }

}