Fixes #148: Deserializes Dates, Times, and DateTimes using DateTimeFormatter with ResolverStyle.STRICT when JsonFormat lenient = false (#151)

Author: samwill

datetime/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/JSR310DateTimeDeserializerBase.java

@@ -3,6 +3,7 @@
 import java.io.IOException;
 import java.time.format.DateTimeFormatter;
 import java.time.format.DateTimeFormatterBuilder;
+import java.time.format.ResolverStyle;
 import java.util.Locale;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
@@ -137,6 +138,11 @@ public JsonDeserializer<?> createContextual(DeserializationContext ctxt,
                 } else {
                     df = builder.toFormatter(locale);
                 }
+
+                if (format.hasLenient() && !format.isLenient()) {
+                    df = df.withResolverStyle(ResolverStyle.STRICT);
+                }
+
                 //Issue #69: For instant serializers/deserializers we need to configure the formatter with
                 //a time zone picked up from JsonFormat annotation, otherwise serialization might not work
                 if (format.hasTimeZone()) {

datetime/src/test/java/com/fasterxml/jackson/datatype/jsr310/deser/LocalDateDeserTest.java

@@ -15,6 +15,8 @@
 import java.time.temporal.Temporal;
 import java.util.Map;
 
+import com.fasterxml.jackson.annotation.OptBoolean;
+import com.fasterxml.jackson.databind.exc.InvalidFormatException;
 import org.junit.Test;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
@@ -54,6 +56,15 @@ public ShapeWrapper() { }
         public ShapeWrapper(LocalDate v) { date = v; }
     }
 
+    final static class StrictWrapper {
+        @JsonFormat(pattern="yyyy-MM-dd",
+                lenient = OptBoolean.FALSE)
+        public LocalDate value;
+
+        public StrictWrapper() { }
+        public StrictWrapper(LocalDate v) { value = v; }
+    }
+
     /*
     /**********************************************************
     /* Deserialization from Int array representation
@@ -295,6 +306,20 @@ public void testCustomFormat() throws Exception
         assertEquals(28, date.getDayOfMonth());
     }
 
+
+    /*
+    /**********************************************************
+    /* Strict Custom format
+    /**********************************************************
+     */
+
+    // for [modules-java8#148]
+    @Test(expected = InvalidFormatException.class)
+    public void testStrictCustomFormat() throws Exception
+    {
+        StrictWrapper w = MAPPER.readValue("{\"value\":\"2019-11-31\"}", StrictWrapper.class);
+    }
+
     /*
     /**********************************************************************
     /* Case-insensitive tests

datetime/src/test/java/com/fasterxml/jackson/datatype/jsr310/deser/LocalDateTimeDeserTest.java

@@ -19,6 +19,7 @@
 import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.annotation.JsonFormat.Feature;
 import com.fasterxml.jackson.annotation.JsonFormat.Value;
+import com.fasterxml.jackson.annotation.OptBoolean;
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.JsonToken;
@@ -52,6 +53,15 @@ public class LocalDateTimeDeserTest
     private final static ObjectReader READER = MAPPER.readerFor(LocalDateTime.class);
     private final TypeReference<Map<String, LocalDateTime>> MAP_TYPE_REF = new TypeReference<Map<String, LocalDateTime>>() { };
 
+    final static class StrictWrapper {
+        @JsonFormat(pattern="yyyy-MM-dd HH:mm",
+                lenient = OptBoolean.FALSE)
+        public LocalDateTime value;
+
+        public StrictWrapper() { }
+        public StrictWrapper(LocalDateTime v) { value = v; }
+    }
+
     /*
     /**********************************************************
     /* Tests for deserializing from int array
@@ -458,6 +468,32 @@ public void testDeserializationCaseInsensitiveDisabled_InvalidDate() throws Thro
         }
     }
 
+    /*
+    /**********************************************************************
+    /* Strict JsonFormat tests
+    /**********************************************************************
+     */
+
+    // [modules-java8#148]: handle strict deserializaiton for date/time
+    @Test(expected = InvalidFormatException.class)
+    public void testStrictCustomFormatInvalidDate() throws Exception
+    {
+        StrictWrapper w = MAPPER.readValue("{\"value\":\"2019-11-31 15:45\"}", StrictWrapper.class);
+    }
+
+    @Test(expected = InvalidFormatException.class)
+    public void testStrictCustomFormatInvalidTime() throws Exception
+    {
+        StrictWrapper w = MAPPER.readValue("{\"value\":\"2019-11-30 25:45\"}", StrictWrapper.class);
+    }
+
+    @Test(expected = InvalidFormatException.class)
+    public void testStrictCustomFormatInvalidDateAndTime() throws Exception
+    {
+        StrictWrapper w = MAPPER.readValue("{\"value\":\"2019-11-31 25:45\"}", StrictWrapper.class);
+    }
+
+
     private void expectSuccess(ObjectReader reader, Object exp, String json) throws IOException {
         final LocalDateTime value = reader.readValue(aposToQuotes(json));
         assertNotNull("The value should not be null.", value);

datetime/src/test/java/com/fasterxml/jackson/datatype/jsr310/deser/LocalTimeDeserTest.java

@@ -31,11 +31,13 @@
 import static org.junit.Assert.fail;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.annotation.OptBoolean;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.ObjectReader;
+import com.fasterxml.jackson.databind.exc.InvalidFormatException;
 import com.fasterxml.jackson.databind.exc.MismatchedInputException;
 import com.fasterxml.jackson.datatype.jsr310.MockObjectConfiguration;
 import com.fasterxml.jackson.datatype.jsr310.ModuleTestBase;
@@ -44,9 +46,19 @@
 
 public class LocalTimeDeserTest extends ModuleTestBase
 {
-    private ObjectReader reader = newMapper().readerFor(LocalTime.class);
+    private final static ObjectMapper MAPPER = newMapper();
+    private ObjectReader reader = MAPPER.readerFor(LocalTime.class);
     private final TypeReference<Map<String, LocalTime>> MAP_TYPE_REF = new TypeReference<Map<String, LocalTime>>() { };
 
+    final static class StrictWrapper {
+        @JsonFormat(pattern="HH:mm",
+                lenient = OptBoolean.FALSE)
+        public LocalDateTime value;
+
+        public StrictWrapper() { }
+        public StrictWrapper(LocalDateTime v) { value = v; }
+    }
+
     @Test
     public void testDeserializationAsTimestamp01() throws Exception
     {
@@ -258,6 +270,20 @@ public void testStrictDeserializeFromEmptyString() throws Exception {
         objectReader.readValue(valueFromEmptyStr);
     }
 
+        /*
+    /**********************************************************************
+    /* Strict JsonFormat tests
+    /**********************************************************************
+     */
+
+    // [modules-java8#148]: handle strict deserializaiton for date/time
+
+    @Test(expected = InvalidFormatException.class)
+    public void testStrictCustomFormatInvalidTime() throws Exception
+    {
+        StrictWrapper w = MAPPER.readValue("{\"value\":\"25:45\"}", StrictWrapper.class);
+    }
+
     private void expectFailure(String aposJson) throws Throwable {
         try {
             reader.readValue(aposToQuotes(aposJson));