BAEL-1217 Guide to Spring Type Conversions

Review comments

spring-boot/src/main/java/org/baeldung/converter/GenericBigDecimalConverter.java

@@ -5,6 +5,7 @@ import org.springframework.core.convert.TypeDescriptor;
 import org.springframework.core.convert.converter.GenericConverter;
 
 import java.math.BigDecimal;
+import java.math.MathContext;
 import java.util.Set;
 
 public class GenericBigDecimalConverter implements GenericConverter {
@@ -30,7 +31,9 @@ public class GenericBigDecimalConverter implements GenericConverter {
             return new BigDecimal(number);
         } else {
             Number number = (Number) source;
-            return new BigDecimal(number.doubleValue());
+            BigDecimal converted = new BigDecimal(number.doubleValue());
+            converted.setScale(2, BigDecimal.ROUND_HALF_EVEN);
+            return converted;
         }
     }
 }

spring-boot/src/main/java/org/baeldung/converter/controller/StringToEmployeeConverterController.java

@@ -0,0 +1,21 @@
+package org.baeldung.converter.controller;
+
+import com.baeldung.toggle.Employee;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/string-to-employee")
+public class StringToEmployeeConverterController {
+
+    @GetMapping
+    public ResponseEntity<Object> getStringToEmployee(@RequestParam("employee") Employee employee) {
+        return ResponseEntity.ok(employee);
+    }
+
+    @PostMapping(consumes = {MediaType.TEXT_PLAIN_VALUE})
+    public ResponseEntity<Object> postStringToEmployee(@RequestBody Employee employee) {
+        return ResponseEntity.ok(employee);
+    }
+}