se.nrm.dina.logic.util.HelpClass.java Source code

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Here is the source code for se.nrm.dina.logic.util.HelpClass.java

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package se.nrm.dina.logic.util;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.lang.StringUtils;

/**
 *
 * @author idali
 */
public class HelpClass {

    private static HelpClass instance = null;

    private final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("MMM dd, yyyy 'at' HH.mm.ss");
    private final String MAINTENANCE_CONTACT = "admin@dina-system.org";
    private final List<String> supportedLanguages;

    HelpClass() {
        supportedLanguages = new ArrayList<>();
        supportedLanguages.add("GB_en");
        supportedLanguages.add("SE_sv");
    }

    public static synchronized HelpClass getInstance() {
        if (instance == null) {
            instance = new HelpClass();
        }
        return instance;
    }

    public String dateTimeToString(LocalDateTime date) {
        return date == null ? null : date.format(FORMATTER);
    }

    public java.sql.Date getTodaysDate() {
        java.util.Date today = new java.util.Date();
        return new java.sql.Date(today.getTime());
    }

    public String getMaintanceContact() {
        return MAINTENANCE_CONTACT;
    }

    public List<String> getSupportedLanguages() {
        return supportedLanguages;
    }

    /**
    * Checks if the String is numeric
    * @param s
    * @return 
    */
    public boolean isNumric(String s) {
        return StringUtils.isNumeric(s);
    }

    public int strToInt(String s) {

        if (s == null) {
            return 0;
        }
        try {
            return Integer.parseInt(s);
        } catch (NumberFormatException e) {
            return 0;
        }
    }

    public boolean strToBoolean(String s) {

        if (s == null || s.isEmpty()) {
            return false;
        }
        try {
            return Boolean.valueOf(s.toLowerCase());
        } catch (Exception e) {
            return false;
        }
    }

    public String getSort(String s) {
        if (s == null) {
            return "ASC";
        }

        if (s.equalsIgnoreCase("asc") || s.equalsIgnoreCase("desc")) {
            return s.toUpperCase();
        } else {
            return "ASC";
        }
    }
}