BAEL-3298 Updating Date to LocalDateTime to avoid timezone related issues

spring-batch/src/main/java/org/baeldung/batch/model/Transaction.java

@@ -1,8 +1,10 @@
 package org.baeldung.batch.model;
 
-import java.util.Date;
+import org.baeldung.batch.service.adapter.LocalDateTimeAdapter;
 
 import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
+import java.time.LocalDateTime;
 
 @SuppressWarnings("restriction")
 @XmlRootElement(name = "transactionRecord")
@@ -11,7 +13,7 @@ public class Transaction {
     private int userId;
     private int age;
     private String postCode;
-    private Date transactionDate;
+    private LocalDateTime transactionDate;
     private double amount;
 
     /* getters and setters for the attributes */
@@ -32,11 +34,12 @@ public class Transaction {
         this.userId = userId;
     }
 
-    public Date getTransactionDate() {
+    @XmlJavaTypeAdapter(LocalDateTimeAdapter.class)
+    public LocalDateTime getTransactionDate() {
         return transactionDate;
     }
 
-    public void setTransactionDate(Date transactionDate) {
+    public void setTransactionDate(LocalDateTime transactionDate) {
         this.transactionDate = transactionDate;
     }
 

spring-batch/src/main/java/org/baeldung/batch/service/RecordFieldSetMapper.java

@@ -1,18 +1,19 @@
 package org.baeldung.batch.service;
 
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-
 import org.baeldung.batch.model.Transaction;
 import org.springframework.batch.item.file.mapping.FieldSetMapper;
 import org.springframework.batch.item.file.transform.FieldSet;
 import org.springframework.validation.BindException;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
 public class RecordFieldSetMapper implements FieldSetMapper<Transaction> {
 
     public Transaction mapFieldSet(FieldSet fieldSet) throws BindException {
 
-        SimpleDateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy");
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("d/M/yyy");
+
         Transaction transaction = new Transaction();
         // you can either use the indices or custom names
         // I personally prefer the custom names easy for debugging and
@@ -20,13 +21,10 @@ public class RecordFieldSetMapper implements FieldSetMapper<Transaction> {
         transaction.setUsername(fieldSet.readString("username"));
         transaction.setUserId(fieldSet.readInt("userid"));
         transaction.setAmount(fieldSet.readDouble(3));
+
         // Converting the date
         String dateString = fieldSet.readString(2);
-        try {
+        transaction.setTransactionDate(LocalDate.parse(dateString, formatter).atStartOfDay());
-            transaction.setTransactionDate(dateFormat.parse(dateString));
-        } catch (ParseException e) {
-            e.printStackTrace();
-        }
 
         return transaction;
 

spring-batch/src/main/java/org/baeldung/batch/service/adapter/LocalDateTimeAdapter.java

@@ -0,0 +1,19 @@
+package org.baeldung.batch.service.adapter;
+
+import javax.xml.bind.annotation.adapters.XmlAdapter;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+public class LocalDateTimeAdapter extends XmlAdapter<String, LocalDateTime> {
+
+    private static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";
+    private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern(DATE_FORMAT);
+
+    public LocalDateTime unmarshal(String v) throws Exception {
+        return LocalDateTime.parse(v, DATE_TIME_FORMATTER);
+    }
+
+    public String marshal(LocalDateTime v) throws Exception {
+        return DATE_TIME_FORMATTER.format(v);
+    }
+}

spring-batch/src/main/resources/output/output1.xml

@@ -2,19 +2,19 @@
 <transactionRecord>
 	<transactionRecord>
 		<amount>10000.0</amount>
-		<transactionDate>2015-10-31T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-10-31 00:00:00</transactionDate>
 		<userId>1234</userId>
 		<username>devendra</username>
 	</transactionRecord>
 	<transactionRecord>
 		<amount>12321.0</amount>
-		<transactionDate>2015-12-03T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-12-03 00:00:00</transactionDate>
 		<userId>2134</userId>
 		<username>john</username>
 	</transactionRecord>
 	<transactionRecord>
 		<amount>23411.0</amount>
-		<transactionDate>2015-02-02T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-02-02 00:00:00</transactionDate>
 		<userId>2134</userId>
 		<username>robin</username>
 	</transactionRecord>

spring-batch/src/main/resources/output/output2.xml

@@ -2,19 +2,19 @@
 <transactionRecord>
 	<transactionRecord>
 		<amount>10000.0</amount>
-		<transactionDate>2015-10-31T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-10-31 00:00:00</transactionDate>
 		<userId>1234</userId>
 		<username>devendra</username>
 	</transactionRecord>
 	<transactionRecord>
 		<amount>12321.0</amount>
-		<transactionDate>2015-12-03T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-12-03 00:00:00</transactionDate>
 		<userId>2134</userId>
 		<username>john</username>
 	</transactionRecord>
 	<transactionRecord>
 		<amount>23411.0</amount>
-		<transactionDate>2015-02-02T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-02-02 00:00:00</transactionDate>
 		<userId>2134</userId>
 		<username>robin</username>
 	</transactionRecord>

spring-batch/src/main/resources/output/output3.xml

@@ -2,19 +2,19 @@
 <transactionRecord>
 	<transactionRecord>
 		<amount>10000.0</amount>
-		<transactionDate>2015-10-31T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-10-31 00:00:00</transactionDate>
 		<userId>1234</userId>
 		<username>devendra</username>
 	</transactionRecord>
 	<transactionRecord>
 		<amount>12321.0</amount>
-		<transactionDate>2015-12-03T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-12-03 00:00:00</transactionDate>
 		<userId>2134</userId>
 		<username>john</username>
 	</transactionRecord>
 	<transactionRecord>
 		<amount>23411.0</amount>
-		<transactionDate>2015-02-02T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-02-02 00:00:00</transactionDate>
 		<userId>2134</userId>
 		<username>robin</username>
 	</transactionRecord>

spring-batch/src/main/resources/output/output4.xml

@@ -2,19 +2,19 @@
 <transactionRecord>
 	<transactionRecord>
 		<amount>10000.0</amount>
-		<transactionDate>2015-10-31T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-10-31 00:00:00</transactionDate>
 		<userId>1234</userId>
 		<username>devendra</username>
 	</transactionRecord>
 	<transactionRecord>
 		<amount>12321.0</amount>
-		<transactionDate>2015-12-03T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-12-03 00:00:00</transactionDate>
 		<userId>2134</userId>
 		<username>john</username>
 	</transactionRecord>
 	<transactionRecord>
 		<amount>23411.0</amount>
-		<transactionDate>2015-02-02T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-02-02 00:00:00</transactionDate>
 		<userId>2134</userId>
 		<username>robin</username>
 	</transactionRecord>

spring-batch/src/main/resources/output/output5.xml

@@ -2,19 +2,19 @@
 <transactionRecord>
 	<transactionRecord>
 		<amount>10000.0</amount>
-		<transactionDate>2015-10-31T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-10-31 00:00:00</transactionDate>
 		<userId>1234</userId>
 		<username>devendra</username>
 	</transactionRecord>
 	<transactionRecord>
 		<amount>12321.0</amount>
-		<transactionDate>2015-12-03T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-12-03 00:00:00</transactionDate>
 		<userId>2134</userId>
 		<username>john</username>
 	</transactionRecord>
 	<transactionRecord>
 		<amount>23411.0</amount>
-		<transactionDate>2015-02-02T00:00:00+05:30</transactionDate>
+		<transactionDate>2015-02-02 00:00:00</transactionDate>
 		<userId>2134</userId>
 		<username>robin</username>
 	</transactionRecord>

spring-batch/xml/output.xml

@@ -1 +1 @@
-<?xml version="1.0" encoding="UTF-8"?><transactionRecord><transactionRecord><amount>10000.0</amount><transactionDate>2015-10-31T00:00:00+05:30</transactionDate><userId>1234</userId><username>devendra</username></transactionRecord><transactionRecord><amount>12321.0</amount><transactionDate>2015-12-03T00:00:00+05:30</transactionDate><userId>2134</userId><username>john</username></transactionRecord><transactionRecord><amount>23411.0</amount><transactionDate>2015-02-02T00:00:00+05:30</transactionDate><userId>2134</userId><username>robin</username></transactionRecord></transactionRecord>
+<?xml version="1.0" encoding="UTF-8"?><transactionRecord><transactionRecord><amount>10000.0</amount><transactionDate>2015-10-31 00:00:00</transactionDate><userId>1234</userId><username>devendra</username></transactionRecord><transactionRecord><amount>12321.0</amount><transactionDate>2015-12-03 00:00:00</transactionDate><userId>2134</userId><username>john</username></transactionRecord><transactionRecord><amount>23411.0</amount><transactionDate>2015-02-02 00:00:00</transactionDate><userId>2134</userId><username>robin</username></transactionRecord></transactionRecord>

spring-batch/xml/retryOutput.xml

@@ -1 +1 @@
-<?xml version="1.0" encoding="UTF-8"?><transactionRecord><transactionRecord><age>10</age><amount>10000.0</amount><postCode>430222</postCode><transactionDate>2015-10-31T00:00:00+05:30</transactionDate><userId>1234</userId><username>sammy</username></transactionRecord><transactionRecord><age>10</age><amount>12321.0</amount><postCode>430222</postCode><transactionDate>2015-12-03T00:00:00+05:30</transactionDate><userId>2134</userId><username>john</username></transactionRecord></transactionRecord>
+<?xml version="1.0" encoding="UTF-8"?><transactionRecord><transactionRecord><age>10</age><amount>10000.0</amount><postCode>430222</postCode><transactionDate>2015-10-31 00:00:00</transactionDate><userId>1234</userId><username>sammy</username></transactionRecord><transactionRecord><age>10</age><amount>12321.0</amount><postCode>430222</postCode><transactionDate>2015-12-03 00:00:00</transactionDate><userId>2134</userId><username>john</username></transactionRecord></transactionRecord>