BAEL-628: Added sources for "Constructor Injection in Spring with Lombok" article. (#1064)

* BAEL-628: Added sources for "Constructor Injection in Spring with Lombok" article.

* BAEL-628: Removed unneccessary @Autowired + Apologizer example.

spring-core/src/main/java/com/baeldung/lombok/Apologizer.java

@@ -0,0 +1,22 @@
+package com.baeldung.lombok;
+
+import lombok.AllArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+@AllArgsConstructor
+public class Apologizer {
+
+    private final Translator translator;
+    private final String message;
+
+    @Autowired
+    public Apologizer(Translator translator) {
+        this(translator, "sorry");
+    }
+
+    public String apologize() {
+        return translator.translate(message);
+    }
+}

spring-core/src/main/java/com/baeldung/lombok/Fareweller.java

@@ -0,0 +1,18 @@
+package com.baeldung.lombok;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class Fareweller {
+
+    private final Translator translator;
+
+    public Fareweller(Translator translator) {
+        this.translator = translator;
+    }
+
+    public String farewell() {
+        return translator.translate("bye");
+    }
+}

spring-core/src/main/java/com/baeldung/lombok/Greeter.java

@@ -0,0 +1,15 @@
+package com.baeldung.lombok;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class Greeter {
+
+    @Autowired
+    private Translator translator;
+
+    public String greet() {
+        return translator.translate("hello");
+    }
+}

spring-core/src/main/java/com/baeldung/lombok/Thanker.java

@@ -0,0 +1,16 @@
+package com.baeldung.lombok;
+
+import lombok.AllArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+@AllArgsConstructor
+public class Thanker {
+
+    private final Translator translator;
+
+    public String thank() {
+        return translator.translate("thank you");
+    }
+}

spring-core/src/main/java/com/baeldung/lombok/Translator.java

@@ -0,0 +1,5 @@
+package com.baeldung.lombok;
+
+public interface Translator {
+    String translate(String input);
+}