Package com.xxl.tool.core

Class AssertTool

java.lang.Object
com.xxl.tool.core.AssertTool
public class AssertTool extends Object

  • Constructor Details

    • AssertTool

      public AssertTool()

  • Method Details

    • isTrue

      public static void isTrue(boolean expression, String message)
      Assert a boolean expression, throwing an IllegalArgumentException if the expression evaluates to false. 
           Assert.isTrue(i > 0, "The value must be greater than zero");
      Parameters:
      expression - a boolean expression
      message - the exception message to use if the assertion fails
      Throws:
      IllegalArgumentException - if expression is false

    • isFalse

      public static void isFalse(boolean expression, String message)
      Assert that a boolean expression evaluating to false is true.
      Parameters:
      expression - a boolean expression
      message - the exception message to use if the assertion fails

    • isNull

      public static void isNull(Object object, String message)
      Assert that an object is null. 
           Assert.isNull(value, "The value must be null");
      Parameters:
      object - the object to check
      message - the exception message to use if the assertion fails
      Throws:
      IllegalArgumentException - if the object is not null

    • notNull

      public static void notNull(Object object, String message)
      Assert that an object is not null. 
           Assert.notNull(clazz, "The class must not be null");
      Parameters:
      object - the object to check
      message - the exception message to use if the assertion fails
      Throws:
      IllegalArgumentException - if the object is null

    • isBlank

      public static void isBlank(String str, String message)
      Assert that a string is blank.
      Parameters:
      str - the string to check
      message - the exception message to use if the assertion fails

    • notBlank

      public static void notBlank(String str, String message)
      Assert that a string is not blank.
      Parameters:
      str - the string to check
      message - the exception message to use if the assertion fails