Merge pull request #34 from CARFAX/master

cowtowncoder · cowtowncoder · commit 41562dfd2965 · 2015-07-28T01:17:36.000+03:00
Allow custom DateTimeFormatters
diff --git a/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/LocalDateDeserializer.java b/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/LocalDateDeserializer.java
@@ -43,7 +43,7 @@ private LocalDateDeserializer() {
         this(DateTimeFormatter.ISO_LOCAL_DATE);
     }
 
-    protected LocalDateDeserializer(DateTimeFormatter dtf) {
+    public LocalDateDeserializer(DateTimeFormatter dtf) {
         super(LocalDate.class, dtf);
     }
 
diff --git a/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/LocalDateTimeDeserializer.java b/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/LocalDateTimeDeserializer.java
@@ -42,13 +42,13 @@ private LocalDateTimeDeserializer() {
         this(DateTimeFormatter.ISO_LOCAL_DATE_TIME);
     }
 
-    protected LocalDateTimeDeserializer(DateTimeFormatter dtf) {
-        super(LocalDateTime.class, dtf);
+    public LocalDateTimeDeserializer(DateTimeFormatter formatter) {
+        super(LocalDateTime.class, formatter);
     }
     
     @Override
-    protected JsonDeserializer<LocalDateTime> withDateFormat(DateTimeFormatter dtf) {
-        return new LocalDateTimeDeserializer(dtf);
+    protected JsonDeserializer<LocalDateTime> withDateFormat(DateTimeFormatter formatter) {
+        return new LocalDateTimeDeserializer(formatter);
     }
     
     @Override
diff --git a/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/LocalTimeDeserializer.java b/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/LocalTimeDeserializer.java
@@ -42,13 +42,13 @@ private LocalTimeDeserializer() {
         this(DateTimeFormatter.ISO_LOCAL_TIME);
     }
 
-    protected LocalTimeDeserializer(DateTimeFormatter dtf) {
-        super(LocalTime.class, dtf);
+    public LocalTimeDeserializer(DateTimeFormatter formatter) {
+        super(LocalTime.class, formatter);
     }
 
     @Override
-    protected JsonDeserializer<LocalTime> withDateFormat(DateTimeFormatter dtf) {
-        return new LocalTimeDeserializer(dtf);
+    protected JsonDeserializer<LocalTime> withDateFormat(DateTimeFormatter formatter) {
+        return new LocalTimeDeserializer(formatter);
     }
     
     @Override
diff --git a/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/YearDeserializer.java b/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/YearDeserializer.java
@@ -21,6 +21,7 @@
 
 import java.io.IOException;
 import java.time.Year;
+import java.time.format.DateTimeFormatter;
 
 /**
  * Deserializer for Java 8 temporal {@link Year}s.
@@ -31,17 +32,25 @@
 public class YearDeserializer extends JSR310DeserializerBase<Year>
 {
     private static final long serialVersionUID = 1L;
-
+    private DateTimeFormatter formatter;
     public static final YearDeserializer INSTANCE = new YearDeserializer();
 
     private YearDeserializer()
     {
         super(Year.class);
     }
 
+    public YearDeserializer(DateTimeFormatter formatter) {
+        super(Year.class);
+        this.formatter = formatter;
+    }
+
     @Override
     public Year deserialize(JsonParser parser, DeserializationContext context) throws IOException
     {
-        return Year.of(parser.getValueAsInt());
+        if (formatter == null) {
+            return Year.of(parser.getValueAsInt());
+        }
+        return Year.parse(parser.getValueAsString(), formatter);
     }
 }
diff --git a/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/YearMonthDeserializer.java b/src/main/java/com/fasterxml/jackson/datatype/jsr310/deser/YearMonthDeserializer.java
@@ -45,9 +45,9 @@ private YearMonthDeserializer()
         this(DateTimeFormatter.ofPattern("uuuu-MM"));
     }
     
-    protected YearMonthDeserializer(DateTimeFormatter dtf) 
+    public YearMonthDeserializer(DateTimeFormatter formatter)
     {
-        super(YearMonth.class, dtf);
+        super(YearMonth.class, formatter);
     }
 
     @Override
diff --git a/src/main/java/com/fasterxml/jackson/datatype/jsr310/ser/LocalDateSerializer.java b/src/main/java/com/fasterxml/jackson/datatype/jsr310/ser/LocalDateSerializer.java
@@ -44,6 +44,10 @@ protected LocalDateSerializer(LocalDateSerializer base,
         super(base, useTimestamp, dtf);
     }
 
+    public LocalDateSerializer(DateTimeFormatter formatter) {
+        super(LocalDate.class, formatter);
+    }
+
     @Override
     protected LocalDateSerializer withFormat(Boolean useTimestamp, DateTimeFormatter dtf) {
         return new LocalDateSerializer(this, useTimestamp, dtf);
diff --git a/src/main/java/com/fasterxml/jackson/datatype/jsr310/ser/LocalDateTimeSerializer.java b/src/main/java/com/fasterxml/jackson/datatype/jsr310/ser/LocalDateTimeSerializer.java
@@ -38,17 +38,20 @@ public class LocalDateTimeSerializer extends JSR310FormattedSerializerBase<Local
     public static final LocalDateTimeSerializer INSTANCE = new LocalDateTimeSerializer();
 
     protected LocalDateTimeSerializer() {
-        super(LocalDateTime.class);
+        this(null);
     }
 
-    private LocalDateTimeSerializer(LocalDateTimeSerializer base,
-            Boolean useTimestamp, DateTimeFormatter dtf) {
-        super(base, useTimestamp, dtf);
+    public LocalDateTimeSerializer(DateTimeFormatter formatter) {
+        super(LocalDateTime.class, formatter);
+    }
+
+    private LocalDateTimeSerializer(LocalDateTimeSerializer base, Boolean useTimestamp, DateTimeFormatter formatter) {
+        super(base, useTimestamp, formatter);
     }
 
     @Override
-    protected JSR310FormattedSerializerBase<LocalDateTime> withFormat(Boolean useTimestamp, DateTimeFormatter dtf) {
-        return new LocalDateTimeSerializer(this, useTimestamp, dtf);
+    protected JSR310FormattedSerializerBase<LocalDateTime> withFormat(Boolean useTimestamp, DateTimeFormatter formatter) {
+        return new LocalDateTimeSerializer(this, useTimestamp, formatter);
     }
 
     @Override
diff --git a/src/main/java/com/fasterxml/jackson/datatype/jsr310/ser/LocalTimeSerializer.java b/src/main/java/com/fasterxml/jackson/datatype/jsr310/ser/LocalTimeSerializer.java
@@ -38,12 +38,15 @@ public class LocalTimeSerializer extends JSR310FormattedSerializerBase<LocalTime
     public static final LocalTimeSerializer INSTANCE = new LocalTimeSerializer();
 
     protected LocalTimeSerializer() {
-        super(LocalTime.class);
+        this(null);
     }
 
-    protected LocalTimeSerializer(LocalTimeSerializer base,
-            Boolean useTimestamp, DateTimeFormatter dtf) {
-        super(base, useTimestamp, dtf);
+    public LocalTimeSerializer(DateTimeFormatter formatter) {
+        super(LocalTime.class, formatter);
+    }
+
+    protected LocalTimeSerializer(LocalTimeSerializer base, Boolean useTimestamp, DateTimeFormatter formatter) {
+        super(base, useTimestamp, formatter);
     }
 
     @Override
diff --git a/src/main/java/com/fasterxml/jackson/datatype/jsr310/ser/YearMonthSerializer.java b/src/main/java/com/fasterxml/jackson/datatype/jsr310/ser/YearMonthSerializer.java
@@ -41,17 +41,20 @@ public class YearMonthSerializer extends JSR310FormattedSerializerBase<YearMonth
     public static final YearMonthSerializer INSTANCE = new YearMonthSerializer();
 
     private YearMonthSerializer() {
-        super(YearMonth.class);
+        this(null);
     }
 
-    private YearMonthSerializer(YearMonthSerializer base,
-            Boolean useTimestamp, DateTimeFormatter dtf) {
-        super(base, useTimestamp, dtf);
+    public YearMonthSerializer(DateTimeFormatter formatter) {
+        super(YearMonth.class, formatter);
+    }
+
+    private YearMonthSerializer(YearMonthSerializer base, Boolean useTimestamp, DateTimeFormatter formatter) {
+        super(base, useTimestamp, formatter);
     }
 
     @Override
-    protected YearMonthSerializer withFormat(Boolean useTimestamp, DateTimeFormatter dtf) {
-        return new YearMonthSerializer(this, useTimestamp, dtf);
+    protected YearMonthSerializer withFormat(Boolean useTimestamp, DateTimeFormatter formatter) {
+        return new YearMonthSerializer(this, useTimestamp, formatter);
     }
 
     @Override
diff --git a/src/main/java/com/fasterxml/jackson/datatype/jsr310/ser/YearSerializer.java b/src/main/java/com/fasterxml/jackson/datatype/jsr310/ser/YearSerializer.java
@@ -41,17 +41,20 @@ public class YearSerializer extends JSR310FormattedSerializerBase<Year>
     public static final YearSerializer INSTANCE = new YearSerializer();
 
     protected YearSerializer() {
-        super(Year.class);
+        this(null);
     }
 
-    protected YearSerializer(YearSerializer base,
-            Boolean useTimestamp, DateTimeFormatter dtf) {
-        super(base, useTimestamp, dtf);
+    public YearSerializer(DateTimeFormatter formatter) {
+        super(Year.class, formatter);
+    }
+
+    protected YearSerializer(YearSerializer base, Boolean useTimestamp, DateTimeFormatter formatter) {
+        super(base, useTimestamp, formatter);
     }
 
     @Override
-    protected YearSerializer withFormat(Boolean useTimestamp, DateTimeFormatter dtf) {
-        return new YearSerializer(this, useTimestamp, dtf);
+    protected YearSerializer withFormat(Boolean useTimestamp, DateTimeFormatter formatter) {
+        return new YearSerializer(this, useTimestamp, formatter);
     }
 
     @Override
diff --git a/src/test/java/com/fasterxml/jackson/datatype/jsr310/TestLocalDateSerializationWithCustomFormatter.java b/src/test/java/com/fasterxml/jackson/datatype/jsr310/TestLocalDateSerializationWithCustomFormatter.java
@@ -0,0 +1,62 @@
+package com.fasterxml.jackson.datatype.jsr310;
+
+import static org.hamcrest.core.IsEqual.equalTo;
+import static org.junit.Assert.assertThat;
+import static org.junit.internal.matchers.StringContains.containsString;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.Collection;
+
+@RunWith(Parameterized.class)
+public class TestLocalDateSerializationWithCustomFormatter {
+    private final DateTimeFormatter formatter;
+
+    public TestLocalDateSerializationWithCustomFormatter(DateTimeFormatter formatter) {
+        this.formatter = formatter;
+    }
+
+    @Test
+    public void testSerialization() throws Exception {
+        LocalDate date = LocalDate.now();
+        assertThat(serializeWith(date, formatter), containsString(date.format(formatter)));
+    }
+
+    private String serializeWith(LocalDate date, DateTimeFormatter formatter) throws Exception {
+        ObjectMapper mapper = new ObjectMapper().registerModule(new SimpleModule().addSerializer(new LocalDateSerializer(formatter)));
+        return mapper.writeValueAsString(date);
+    }
+
+    @Test
+    public void testDeserialization() throws Exception {
+        LocalDate date = LocalDate.now();
+        assertThat(deserializeWith(date.format(formatter), formatter), equalTo(date));
+    }
+
+    private LocalDate deserializeWith(String json, DateTimeFormatter formatter) throws Exception {
+        ObjectMapper mapper = new ObjectMapper().registerModule(new SimpleModule().addDeserializer(LocalDate.class, new LocalDateDeserializer(formatter)));
+        return mapper.readValue("\"" + json + "\"", LocalDate.class);
+    }
+
+    @Parameters
+    public static Collection<Object[]> customFormatters() {
+        Collection<Object[]> formatters = new ArrayList<>();
+        formatters.add(new Object[]{DateTimeFormatter.BASIC_ISO_DATE});
+        formatters.add(new Object[]{DateTimeFormatter.ISO_DATE});
+        formatters.add(new Object[]{DateTimeFormatter.ISO_LOCAL_DATE});
+        formatters.add(new Object[]{DateTimeFormatter.ISO_ORDINAL_DATE});
+        formatters.add(new Object[]{DateTimeFormatter.ISO_WEEK_DATE});
+        formatters.add(new Object[]{DateTimeFormatter.ofPattern("MM/dd/yyyy")});
+        return formatters;
+    }
+}
diff --git a/src/test/java/com/fasterxml/jackson/datatype/jsr310/TestLocalDateTimeSerializationWithCustomFormatter.java b/src/test/java/com/fasterxml/jackson/datatype/jsr310/TestLocalDateTimeSerializationWithCustomFormatter.java
@@ -0,0 +1,62 @@
+package com.fasterxml.jackson.datatype.jsr310;
+
+import static org.hamcrest.core.IsEqual.equalTo;
+import static org.junit.Assert.assertThat;
+import static org.junit.internal.matchers.StringContains.containsString;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeFormatterBuilder;
+import java.util.ArrayList;
+import java.util.Collection;
+
+@RunWith(Parameterized.class)
+public class TestLocalDateTimeSerializationWithCustomFormatter {
+    private final DateTimeFormatter formatter;
+
+    public TestLocalDateTimeSerializationWithCustomFormatter(DateTimeFormatter formatter) {
+        this.formatter = formatter;
+    }
+
+    @Test
+    public void testSerialization() throws Exception {
+        LocalDateTime dateTime = LocalDateTime.now();
+        assertThat(serializeWith(dateTime, formatter), containsString(dateTime.format(formatter)));
+    }
+
+    private String serializeWith(LocalDateTime dateTime, DateTimeFormatter formatter) throws Exception {
+        ObjectMapper mapper = new ObjectMapper().registerModule(new SimpleModule().addSerializer(new LocalDateTimeSerializer(formatter)));
+        return mapper.writeValueAsString(dateTime);
+    }
+
+    @Test
+    public void testDeserialization() throws Exception {
+        LocalDateTime dateTime = LocalDateTime.now();
+        assertThat(deserializeWith(dateTime.format(formatter), formatter), equalTo(dateTime));
+    }
+
+    private LocalDateTime deserializeWith(String json, DateTimeFormatter formatter) throws Exception {
+        ObjectMapper mapper = new ObjectMapper().registerModule(new SimpleModule().addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(formatter)));
+        return mapper.readValue("\"" + json + "\"", LocalDateTime.class);
+    }
+
+    @Parameters
+    public static Collection<Object[]> customFormatters() {
+        Collection<Object[]> formatters = new ArrayList<>();
+        formatters.add(new Object[]{DateTimeFormatter.ISO_DATE_TIME});
+        formatters.add(new Object[]{DateTimeFormatter.ISO_LOCAL_DATE_TIME});
+        return formatters;
+    }
+}
diff --git a/src/test/java/com/fasterxml/jackson/datatype/jsr310/TestLocalTimeSerializationWithCustomFormatter.java b/src/test/java/com/fasterxml/jackson/datatype/jsr310/TestLocalTimeSerializationWithCustomFormatter.java
@@ -0,0 +1,59 @@
+package com.fasterxml.jackson.datatype.jsr310;
+
+import static org.hamcrest.core.IsEqual.equalTo;
+import static org.junit.Assert.assertThat;
+import static org.junit.internal.matchers.StringContains.containsString;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.FormatStyle;
+import java.util.ArrayList;
+import java.util.Collection;
+
+@RunWith(Parameterized.class)
+public class TestLocalTimeSerializationWithCustomFormatter {
+    private final DateTimeFormatter formatter;
+
+    public TestLocalTimeSerializationWithCustomFormatter(DateTimeFormatter formatter) {
+        this.formatter = formatter;
+    }
+
+    @Test
+    public void testSerialization() throws Exception {
+        LocalTime dateTime = LocalTime.now();
+        assertThat(serializeWith(dateTime, formatter), containsString(dateTime.format(formatter)));
+    }
+
+    private String serializeWith(LocalTime dateTime, DateTimeFormatter formatter) throws Exception {
+        ObjectMapper mapper = new ObjectMapper().registerModule(new SimpleModule().addSerializer(new LocalTimeSerializer(formatter)));
+        return mapper.writeValueAsString(dateTime);
+    }
+
+    @Test
+    public void testDeserialization() throws Exception {
+        LocalTime dateTime = LocalTime.now();
+        assertThat(deserializeWith(dateTime.format(formatter), formatter), equalTo(dateTime));
+    }
+
+    private LocalTime deserializeWith(String json, DateTimeFormatter formatter) throws Exception {
+        ObjectMapper mapper = new ObjectMapper().registerModule(new SimpleModule().addDeserializer(LocalTime.class, new LocalTimeDeserializer(formatter)));
+        return mapper.readValue("\"" + json + "\"", LocalTime.class);
+    }
+
+    @Parameters
+    public static Collection<Object[]> customFormatters() {
+        Collection<Object[]> formatters = new ArrayList<>();
+        formatters.add(new Object[]{DateTimeFormatter.ISO_LOCAL_TIME});
+        formatters.add(new Object[]{DateTimeFormatter.ISO_TIME});
+        return formatters;
+    }
+}
diff --git a/src/test/java/com/fasterxml/jackson/datatype/jsr310/TestYearMonthSerializationWithCustomFormatter.java b/src/test/java/com/fasterxml/jackson/datatype/jsr310/TestYearMonthSerializationWithCustomFormatter.java
diff --git a/src/test/java/com/fasterxml/jackson/datatype/jsr310/TestYearSerializationWithCustomFormatter.java b/src/test/java/com/fasterxml/jackson/datatype/jsr310/TestYearSerializationWithCustomFormatter.java

Original file line number	Diff line number	Diff line change
`@@ -43,7 +43,7 @@ private LocalDateDeserializer() {`
`43`	`43`	`this(DateTimeFormatter.ISO_LOCAL_DATE);`
`44`	`44`	`}`
`45`	`45`
`46`		`- protected LocalDateDeserializer(DateTimeFormatter dtf) {`
	`46`	`+ public LocalDateDeserializer(DateTimeFormatter dtf) {`
`47`	`47`	`super(LocalDate.class, dtf);`
`48`	`48`	`}`
`49`	`49`
Original file line number	Diff line number	Diff line change
`@@ -42,13 +42,13 @@ private LocalDateTimeDeserializer() {`
`42`	`42`	`this(DateTimeFormatter.ISO_LOCAL_DATE_TIME);`
`43`	`43`	`}`
`44`	`44`
`45`		`- protected LocalDateTimeDeserializer(DateTimeFormatter dtf) {`
`46`		`- super(LocalDateTime.class, dtf);`
	`45`	`+ public LocalDateTimeDeserializer(DateTimeFormatter formatter) {`
	`46`	`+ super(LocalDateTime.class, formatter);`
`47`	`47`	`}`
`48`	`48`
`49`	`49`	`@Override`
`50`		`- protected JsonDeserializer<LocalDateTime> withDateFormat(DateTimeFormatter dtf) {`
`51`		`- return new LocalDateTimeDeserializer(dtf);`
	`50`	`+ protected JsonDeserializer<LocalDateTime> withDateFormat(DateTimeFormatter formatter) {`
	`51`	`+ return new LocalDateTimeDeserializer(formatter);`
`52`	`52`	`}`
`53`	`53`
`54`	`54`	`@Override`
Original file line number	Diff line number	Diff line change
`@@ -42,13 +42,13 @@ private LocalTimeDeserializer() {`
`42`	`42`	`this(DateTimeFormatter.ISO_LOCAL_TIME);`
`43`	`43`	`}`
`44`	`44`
`45`		`- protected LocalTimeDeserializer(DateTimeFormatter dtf) {`
`46`		`- super(LocalTime.class, dtf);`
	`45`	`+ public LocalTimeDeserializer(DateTimeFormatter formatter) {`
	`46`	`+ super(LocalTime.class, formatter);`
`47`	`47`	`}`
`48`	`48`
`49`	`49`	`@Override`
`50`		`- protected JsonDeserializer<LocalTime> withDateFormat(DateTimeFormatter dtf) {`
`51`		`- return new LocalTimeDeserializer(dtf);`
	`50`	`+ protected JsonDeserializer<LocalTime> withDateFormat(DateTimeFormatter formatter) {`
	`51`	`+ return new LocalTimeDeserializer(formatter);`
`52`	`52`	`}`
`53`	`53`
`54`	`54`	`@Override`
Original file line number	Diff line number	Diff line change
`@@ -21,6 +21,7 @@`
`21`	`21`
`22`	`22`	`import java.io.IOException;`
`23`	`23`	`import java.time.Year;`
	`24`	`+import java.time.format.DateTimeFormatter;`
`24`	`25`
`25`	`26`	`/**`
`26`	`27`	`* Deserializer for Java 8 temporal {@link Year}s.`
`@@ -31,17 +32,25 @@`
`31`	`32`	`public class YearDeserializer extends JSR310DeserializerBase<Year>`
`32`	`33`	`{`
`33`	`34`	`private static final long serialVersionUID = 1L;`
`34`		`-`
	`35`	`+ private DateTimeFormatter formatter;`
`35`	`36`	`public static final YearDeserializer INSTANCE = new YearDeserializer();`
`36`	`37`
`37`	`38`	`private YearDeserializer()`
`38`	`39`	`{`
`39`	`40`	`super(Year.class);`
`40`	`41`	`}`
`41`	`42`
	`43`	`+ public YearDeserializer(DateTimeFormatter formatter) {`
	`44`	`+ super(Year.class);`
	`45`	`+ this.formatter = formatter;`
	`46`	`+ }`
	`47`	`+`
`42`	`48`	`@Override`
`43`	`49`	`public Year deserialize(JsonParser parser, DeserializationContext context) throws IOException`
`44`	`50`	`{`
`45`		`- return Year.of(parser.getValueAsInt());`
	`51`	`+ if (formatter == null) {`
	`52`	`+ return Year.of(parser.getValueAsInt());`
	`53`	`+ }`
	`54`	`+ return Year.parse(parser.getValueAsString(), formatter);`
`46`	`55`	`}`
`47`	`56`	`}`
Original file line number	Diff line number	Diff line change
`@@ -45,9 +45,9 @@ private YearMonthDeserializer()`
`45`	`45`	`this(DateTimeFormatter.ofPattern("uuuu-MM"));`
`46`	`46`	`}`
`47`	`47`
`48`		`- protected YearMonthDeserializer(DateTimeFormatter dtf)`
	`48`	`+ public YearMonthDeserializer(DateTimeFormatter formatter)`
`49`	`49`	`{`
`50`		`- super(YearMonth.class, dtf);`
	`50`	`+ super(YearMonth.class, formatter);`
`51`	`51`	`}`
`52`	`52`
`53`	`53`	`@Override`