@Test public void notNullStr() { String obj = null; String str1 = CommonUtil.notNullStr(obj); Assert.equals(str1, "", ErrorCodeDef.SYSTEM_ERROR_10001); System.out.println("null字符串的notNullStr得到的是空字符串"); }
public static String notNullStr(final String str) { return StringUtils.isEmpty(str) ? GlobalConstants.BLANK : str; }
CommonUtil { public static String notNullStr(final String str) { return StringUtils.isEmpty(str) ? GlobalConstants.BLANK : str; } }
CommonUtil { public static String notNullStr(final String str) { return StringUtils.isEmpty(str) ? GlobalConstants.BLANK : str; }  }
CommonUtil { public static String notNullStr(final String str) { return StringUtils.isEmpty(str) ? GlobalConstants.BLANK : str; }  static String messageFormat(final String message, final Object... params); static String getTransactionID(); static String getRandomCode(); static String getRandomNumber(final int size); static String getRandomChar(final int size); static String getString(final Object obj); static String notNullStr(final String str); static Date getDate(final Long time); static Integer[] splitId(final String idStr, final String splitor); static Long[] splitIdsByLong(final String idStr, final String splitor); static Integer[] splitId(final String idStr); static boolean wildcardMatch(final Collection<String> rules, final String matchValue); static boolean wildcardMatch(final String rule, final String matchValue); static boolean match(final String rule, final String matchValue); static String removeAllSymbol(final String str); static String replaceAllBlank(final String str); static String replaceRedundantBlank(final String str); static boolean isNotEmpty(final T[] paramTypes); static boolean isEmpty(final T[] paramTypes); }
CommonUtil { public static String notNullStr(final String str) { return StringUtils.isEmpty(str) ? GlobalConstants.BLANK : str; }  static String messageFormat(final String message, final Object... params); static String getTransactionID(); static String getRandomCode(); static String getRandomNumber(final int size); static String getRandomChar(final int size); static String getString(final Object obj); static String notNullStr(final String str); static Date getDate(final Long time); static Integer[] splitId(final String idStr, final String splitor); static Long[] splitIdsByLong(final String idStr, final String splitor); static Integer[] splitId(final String idStr); static boolean wildcardMatch(final Collection<String> rules, final String matchValue); static boolean wildcardMatch(final String rule, final String matchValue); static boolean match(final String rule, final String matchValue); static String removeAllSymbol(final String str); static String replaceAllBlank(final String str); static String replaceRedundantBlank(final String str); static boolean isNotEmpty(final T[] paramTypes); static boolean isEmpty(final T[] paramTypes);  }