added json module

quarkus-json-service/src/main/java/ch/phoenixtechnologies/quarkus/commons/json/JsonService.java

@@ -0,0 +1,13 @@
+package ch.phoenixtechnologies.quarkus.commons.json;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+
+public interface JsonService {
+
+    String toJson(Object object);
+
+    <T> T fromJson(String json, Class<T> clazz);
+
+    <T> T fromJson(String json, TypeReference<T> typeReference);
+
+}

quarkus-json-service/src/main/java/ch/phoenixtechnologies/quarkus/commons/json/JsonServiceImpl.java

@@ -0,0 +1,48 @@
+package ch.phoenixtechnologies.quarkus.commons.json;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import io.quarkus.arc.DefaultBean;
+import jakarta.enterprise.context.ApplicationScoped;
+
+@DefaultBean
+@ApplicationScoped
+class JsonServiceImpl implements JsonService {
+
+    private final ObjectMapper objectMapper;
+
+    JsonServiceImpl(ObjectMapper objectMapper) {
+        this.objectMapper = objectMapper;
+    }
+
+    @Override
+    public String toJson(Object object) {
+        try {
+            return objectMapper.writeValueAsString(object);
+        } catch (JsonProcessingException e) {
+            throw new IllegalArgumentException("Unable to write object as json String: " + object, e);
+        }
+    }
+
+    @Override
+    public <T> T fromJson(String json, Class<T> clazz) {
+        try {
+            return objectMapper.readValue(json, clazz);
+        } catch (JsonProcessingException e) {
+            throw new IllegalArgumentException("Unable to read object of class [" + clazz.getName()
+                                               + "] from json String: " + json, e);
+        }
+
+    }
+
+    @Override
+    public <T> T fromJson(String json, TypeReference<T> typeReference) {
+        try {
+            return objectMapper.readValue(json, typeReference);
+        } catch (JsonProcessingException e) {
+            throw new IllegalArgumentException("Unable to read object of type [" + typeReference.getType().getTypeName()
+                                               + "] from json String: " + json, e);
+        }
+    }
+}