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/* * Copyright (c) 2014-2015 AIMDek Technologies Private Limited. All Rights Reserved. * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Lesser Public License v2.1 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html * * Contributors: * AIMDek Technologies Private Limited - initial API and implementation */ package com.aimdek.ccm.util; import static com.aimdek.ccm.util.CCMConstant.BLANK; import static com.aimdek.ccm.util.CCMConstant.DATE_FORMAT; import static com.aimdek.ccm.util.CCMConstant.EMAIL_PATTERN; import static com.aimdek.ccm.util.CCMConstant.LOWER_CASE_L; import static com.aimdek.ccm.util.CCMConstant.LOWER_CASE_N; import static com.aimdek.ccm.util.CCMConstant.LOWER_CASE_U; import static com.aimdek.ccm.util.CCMConstant.SPACE; import static com.aimdek.ccm.util.CCMConstant.TWO_DECIMAL_PLACE_FORMAT; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.text.DecimalFormat; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; import java.util.Properties; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.commons.lang3.RandomStringUtils; import org.apache.log4j.Logger; import com.google.gson.Gson; import com.google.gson.GsonBuilder; /** * The Class CommonUtil. * * This class marked final to restrict instantiation. * * Because it contains the utility method of the system. * * @author aimdek.team */ public final class CommonUtil { /** The Constant LOGGER. */ private static final Logger LOGGER = Logger.getLogger(CommonUtil.class); /** * Instantiates a new common util. */ private CommonUtil() { } /** The Constant gson. */ public static final Gson gson = new GsonBuilder().setDateFormat(DATE_FORMAT).create(); /** * Checks if is null. * * @param l * the l * @return true, if is null */ public static boolean isNull(Long l) { if ((l == null) || (l.longValue() == 0)) { return true; } else { return false; } } /** * Checks if is null. * * @param obj * the obj * @return true, if is null */ public static boolean isNull(Object obj) { if (obj instanceof Long) { return isNull((Long) obj); } else if (obj instanceof String) { return isNull((String) obj); } else if (obj == null) { return true; } else { return false; } } /** * Checks if is null. * * @param array * the array * @return true, if is null */ public static boolean isNull(Object[] array) { if ((array == null) || (array.length == 0)) { return true; } else { return false; } } /** * Checks if is null. * * @param s * the s * @return true, if is null */ public static boolean isNull(String s) { if (s == null) { return true; } int counter = 0; for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (c == SPACE) { continue; } else if (counter > 3) { return false; } if (counter == 0) { if (c != LOWER_CASE_N) { return false; } } else if (counter == 1) { if (c != LOWER_CASE_U) { return false; } } else if ((counter == 2) || (counter == 3)) { if (c != LOWER_CASE_L) { return false; } } counter++; } if ((counter == 0) || (counter == 4)) { return true; } return false; } /** * Checks if is not null. * * @param s * the s * @return true, if is not null */ public static boolean isNotNull(String s) { return !isNull(s); } /** * Checks if is not null. * * @param l * the l * @return true, if is not null */ public static boolean isNotNull(Long l) { return !isNull(l); } /** * Checks if is not null. * * @param obj * the obj * @return true, if is not null */ public static boolean isNotNull(Object obj) { return !isNull(obj); } /** * Checks if is not null. * * @param array * the array * @return true, if is not null */ public static boolean isNotNull(Object[] array) { return !isNull(array); } /** * Gets the property value. * * @param fileName * the file name * @param propertyName * the property name * @return the property value */ public static String getPropertyValue(String fileName, String propertyName) { Properties properties = new Properties(); InputStream inputStream = null; String value = BLANK; try { inputStream = new FileInputStream(fileName); properties.load(inputStream); value = (String) properties.get(propertyName); } catch (FileNotFoundException e) { LOGGER.error("Property file not found", e); } catch (IOException e) { LOGGER.error(e); } finally { try { if (inputStream != null) { inputStream.close(); } } catch (IOException e) { LOGGER.error("Error while closing FileInputstream", e); } } return value; } /** * Check email pattern. * * @param email * the email * @return true, if successful */ public static boolean checkEmailPattern(String email) { Pattern pattern = Pattern.compile(EMAIL_PATTERN); Matcher matcher = pattern.matcher(email); boolean matchFound = matcher.matches(); return matchFound; } /** * Gets the formated number. * * @param val * the val * @return the formated number */ public static double getFormatedNumber(double val) { String stringVal = getNumberWithTwoDecimalPlace(val); double newVal = Double.parseDouble(stringVal); return newVal; } /** * Gets the number with two decimal place. * * @param number * the number * @return the number with two decimal place */ public static String getNumberWithTwoDecimalPlace(double number) { DecimalFormat decimalFormat = new DecimalFormat(TWO_DECIMAL_PLACE_FORMAT); return decimalFormat.format(number); } /** * Gets the formatted date. * * @param originalDate * the original date * @return the formatted date */ public static String getFormattedDate(Date originalDate) { SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT, Locale.getDefault()); return dateFormat.format(originalDate); } /** * Gets the resource full file path. * * @param anyClass * the any class * @param filePath * the file path * @return the resource full file path */ public static String getResourceFullFilePath(Class<?> anyClass, String filePath) { return anyClass.getResource(filePath).getPath(); } /** * Generate random alphanumeric. * * @return the string */ public static String generateRandomAlphanumeric() { final String securedPwd = RandomStringUtils.randomAlphanumeric(6); return securedPwd; } /** * Gets the gson object. * * @return the gson object */ public static Gson getGsonObject() { return gson; } /** * To day. * * @return the date */ public static Date toDay() { return new Date(); } }