FastHub/app/src/main/java/com/fastaccess/helper/InputHelper.java

package com.fastaccess.helper;

import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.design.widget.TextInputLayout;
import android.text.TextUtils;
import android.widget.EditText;
import android.widget.TextView;

/**
 * Created by kosh20111 on 3/11/2015. CopyRights @
 * <p>
 * Input Helper to validate stuff related to input fields.
 */
public class InputHelper {

    public static final String SPACE = "\u202F\u202F";

    private static boolean isWhiteSpaces(@Nullable String s) {
        return s != null && s.matches("\\s+");
    }

    public static boolean isEmpty(@Nullable String text) {
        return text == null || TextUtils.isEmpty(text) || isWhiteSpaces(text) || text.equalsIgnoreCase("null");
    }

    public static boolean isEmpty(@Nullable Object text) {
        return text == null || isEmpty(text.toString());
    }

    public static boolean isEmpty(@Nullable EditText text) {
        return text == null || isEmpty(text.getText().toString());
    }

    public static boolean isEmpty(@Nullable TextView text) {
        return text == null || isEmpty(text.getText().toString());
    }

    public static boolean isEmpty(@Nullable TextInputLayout txt) {
        return txt == null || isEmpty(txt.getEditText());
    }

    public static String toString(@NonNull EditText editText) {
        return editText.getText().toString();
    }

    public static String toString(@NonNull TextView editText) {
        return editText.getText().toString();
    }

    public static String toString(@NonNull TextInputLayout textInputLayout) {
        return textInputLayout.getEditText() != null ? toString(textInputLayout.getEditText()) : "";
    }

    @NonNull public static String toNA(@Nullable String value) {
        return isEmpty(value) ? "N/A" : value;
    }

    @NonNull public static String toString(@Nullable Object object) {
        return !isEmpty(object) ? object.toString() : "";
    }

    public static long toLong(@NonNull TextView textView) {
        if (!isEmpty(textView)) {
            try {
                return Long.valueOf(toString(textView).replace(".", "").replaceAll(",", ""));
            } catch (NumberFormatException ignored) {}
        }
        return 0;
    }

    public static int getSafeIntId(long id) {
        return id > Integer.MAX_VALUE ? (int) (id - Integer.MAX_VALUE) : (int) id;
    }

    public static String capitalizeFirstLetter(String s) {
        if (isEmpty(s)) {
            return "";
        }
        char first = s.charAt(0);
        if (Character.isUpperCase(first)) {
            return s;
        } else {
            return Character.toUpperCase(first) + s.substring(1);
        }
    }
}