"BAEL-3407: Add examples for injecting Spring components in MapStruct" (#10778)

Co-authored-by: Krzysztof Woyke <krzysztof.woyke.sp@lhsystems.com>

mapstruct/src/main/java/com/baeldung/mapper/SimpleDestinationMapperUsingInjectedService.java

@@ -0,0 +1,22 @@
+package com.baeldung.mapper;
+
+import com.baeldung.dto.SimpleSource;
+import com.baeldung.entity.SimpleDestination;
+import com.baeldung.service.SimpleService;
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+import org.springframework.beans.factory.annotation.Autowired;
+
+@Mapper(componentModel = "spring")
+public abstract class SimpleDestinationMapperUsingInjectedService {
+
+    @Autowired
+    protected SimpleService simpleService;
+
+    @Mapping(target = "name", expression = "java(simpleService.enrichName(source.getName()))")
+    public abstract SimpleDestination sourceToDestination(SimpleSource source);
+
+    public abstract SimpleSource destinationToSource(SimpleDestination destination);
+
+
+}

mapstruct/src/main/java/com/baeldung/service/SimpleService.java

@@ -0,0 +1,11 @@
+package com.baeldung.service;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class SimpleService {
+
+    public String enrichName(String name) {
+        return "-:: " + name + " ::-";
+    }
+}