Add input validation for duration parameters with 1-second minimum requirement

Author: aakash007s

sdk/src/main/java/com/amazonaws/lambda/durable/validation/ParameterValidator.java

@@ -30,7 +30,7 @@ public static void validateDuration(Duration duration, String parameterName) {
         }
         if (duration.toSeconds() < MIN_DURATION_SECONDS) {
             throw new IllegalArgumentException(parameterName + " must be at least " + MIN_DURATION_SECONDS
-                    + " second, got: " + duration.toSeconds() + " seconds");
+                    + " second, got: " + duration);
         }
     }
 
@@ -44,7 +44,7 @@ public static void validateDuration(Duration duration, String parameterName) {
     public static void validateOptionalDuration(Duration duration, String parameterName) {
         if (duration != null && duration.toSeconds() < MIN_DURATION_SECONDS) {
             throw new IllegalArgumentException(parameterName + " must be at least " + MIN_DURATION_SECONDS
-                    + " second, got: " + duration.toSeconds() + " seconds");
+                    + " second, got: " + duration);
         }
     }
 

sdk/src/test/java/com/amazonaws/lambda/durable/validation/ParameterValidatorTest.java

@@ -30,7 +30,7 @@ void validateDuration_withZeroDuration_shouldThrow() {
                 IllegalArgumentException.class,
                 () -> ParameterValidator.validateDuration(Duration.ofSeconds(0), "testParam"));
 
-        assertEquals("testParam must be at least 1 second, got: 0 seconds", exception.getMessage());
+        assertEquals("testParam must be at least 1 second, got: PT0S", exception.getMessage());
     }
 
     @Test
@@ -39,7 +39,7 @@ void validateDuration_withSubSecondDuration_shouldThrow() {
                 IllegalArgumentException.class,
                 () -> ParameterValidator.validateDuration(Duration.ofMillis(500), "testParam"));
 
-        assertEquals("testParam must be at least 1 second, got: 0 seconds", exception.getMessage());
+        assertEquals("testParam must be at least 1 second, got: PT0.5S", exception.getMessage());
     }
 
     @Test
@@ -48,7 +48,7 @@ void validateDuration_withNegativeDuration_shouldThrow() {
                 IllegalArgumentException.class,
                 () -> ParameterValidator.validateDuration(Duration.ofSeconds(-5), "testParam"));
 
-        assertEquals("testParam must be at least 1 second, got: -5 seconds", exception.getMessage());
+        assertEquals("testParam must be at least 1 second, got: PT-5S", exception.getMessage());
     }
 
     @Test
@@ -68,7 +68,7 @@ void validateOptionalDuration_withInvalidDuration_shouldThrow() {
                 IllegalArgumentException.class,
                 () -> ParameterValidator.validateOptionalDuration(Duration.ofMillis(999), "testParam"));
 
-        assertEquals("testParam must be at least 1 second, got: 0 seconds", exception.getMessage());
+        assertEquals("testParam must be at least 1 second, got: PT0.999S", exception.getMessage());
     }
 
     @Test