Android Open Source - sdk-katapayadi Katapayadi

• Back to Development/sdk  ↑

From Project

Back to project page sdk-katapayadi.

License

The source code is released under:

GNU Lesser General Public License

Java Source Code

package org.silpa.katapayadi;
//from  w w  w  .j  a  v  a2  s. c om
import org.silpa.sdk.common.LanguageDetect;
import org.silpa.syllabifier.Syllabifier;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Created by sujith on 31/5/14.
 */
public class Katapayadi {

    /**
     * private map for language bases
     */
    private static final Map<String, Integer> languageBases = new HashMap<String, Integer>();

    static {
        languageBases.put("hi_IN", 0x0915);
        languageBases.put("bn_IN", 0x0995);
        languageBases.put("pa_IN", 0x0A15);
        languageBases.put("gu_IN", 0x0A95);
        languageBases.put("or_IN", 0x0B15);
        languageBases.put("ta_IN", 0x0B95);
        languageBases.put("te_IN", 0x0C15);
        languageBases.put("ka_IN", 0x0C95);
        languageBases.put("ml_IN", 0x0D15);
    }

    public static final String MODULE_NAME = "Katapayadi";
    public static final String MODULE_INFORMATION = "Decodes the numbers from the " +
            "katapayadi numbering system";

    private static final String LOG_TAG = Katapayadi.MODULE_NAME;

    /**
     * This function is used to get katapayadi number
     *
     * @param word text
     * @return number in string format
     */
    public String getKatapayadiNumber(String word) {
        word = word.trim();
        Syllabifier syllabifier = new Syllabifier();
        List<String> syllables = syllabifier.getSyllables(word);
        String number = "";
        int base;

        try {
            String srcLangCode = LanguageDetect.detectLanguage(word).get(word);
            base = languageBases.get(srcLangCode);
        } catch (Exception e) {
            return "Unsupported Language";
        }
        for (String str : syllables) {
            number = getNumberForSyllable(str, base) + number;
        }
        return number;
    }

    /**
     * This function is used to get number for a syllable
     *
     * @param syllable syllable
     * @param base     language base - unicode
     * @return number as a string
     */
    private String getNumberForSyllable(String syllable, int base) {
        List<Integer> katapayadi = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6,
                7, 8, 9, 0, 0, 1, 2, 3, 4, 5, 1, 2, 0, 3, 9, 0, 4, 5, 6, 7, 8);
        int length = syllable.length();
        int index = length - 1;

        while (index >= 0) {
            char chr = syllable.charAt(index);
            int offset = chr - base;

            if (offset >= 0) {
                try {
                    return String.valueOf(katapayadi.get(offset));
                } catch (Exception e) {

                }
            }
            index -= 1;
        }
        return "0";
    }

    /**
     * This function is used to get swarasthanas
     *
     * @param raga number
     * @return List of swarasthanas
     */
    public List<String> getSwarasthanas(String raga) {
        List<String> swarasthans = new ArrayList<String>();
        swarasthans.add("Sa");

        long number;

        try {
            number = Long.parseLong(raga);
        } catch (Exception e) {
            number = Long.parseLong(getKatapayadiNumber(raga));
        }
        int melakarthaNumber = (int) (number % 100);
        int quotient = (melakarthaNumber - 1) / 6;
        int remainder = (melakarthaNumber - 1) % 6;
        quotient = quotient % 6;

        switch (quotient) {
            case 0:
                swarasthans.add("Ri1");
                swarasthans.add("Ga1");
                break;
            case 1:
                swarasthans.add("Ri1");
                swarasthans.add("Ga2");
                break;
            case 2:
                swarasthans.add("Ri1");
                swarasthans.add("Ga3");
                break;
            case 3:
                swarasthans.add("Ri2");
                swarasthans.add("Ga2");
                break;
            case 4:
                swarasthans.add("Ri2");
                swarasthans.add("Ga3");
                break;
            case 5:
                swarasthans.add("Ri3");
                swarasthans.add("Ga3");
                break;
        }

        if (melakarthaNumber <= 36) {
            swarasthans.add("Ma1");
        }
        if (melakarthaNumber > 36 && melakarthaNumber <= 72) {
            swarasthans.add("Ma2");
        }
        swarasthans.add("Pa");

        switch (remainder) {
            case 0:
                swarasthans.add("Da1");
                swarasthans.add("Ni1");
                break;
            case 1:
                swarasthans.add("Da1");
                swarasthans.add("Ni2");
                break;
            case 2:
                swarasthans.add("Da1");
                swarasthans.add("Ni3");
                break;
            case 3:
                swarasthans.add("Da2");
                swarasthans.add("Ni2");
                break;
            case 4:
                swarasthans.add("Da2");
                swarasthans.add("Ni3");
                break;
            case 5:
                swarasthans.add("Da3");
                swarasthans.add("Ni3");
                break;
        }

        swarasthans.add("Sa");
        return swarasthans;
    }

    /**
     * This function gives name of the module
     *
     * @return name of module
     */
    public String getModuleName() {
        return Katapayadi.MODULE_NAME;
    }

    /**
     * This function gives a brief description of the module
     *
     * @return brief information regarding the module
     */
    public String getModuleInformation() {
        return Katapayadi.MODULE_INFORMATION;
    }

}

Java Source Code List

• Back to Development/sdk  ↑