Extract JsonBUtil.detectJsonb() into common core

Author: rbygrave

http-generator-client/src/main/java/io/avaje/http/generator/client/ClientProcessor.java

@@ -2,6 +2,7 @@
 
 import io.avaje.http.api.Client;
 import io.avaje.http.generator.core.ControllerReader;
+import io.avaje.http.generator.core.JsonBUtil;
 import io.avaje.http.generator.core.ProcessingContext;
 
 import javax.annotation.processing.AbstractProcessor;
@@ -30,14 +31,7 @@ public class ClientProcessor extends AbstractProcessor {
   private final boolean useJsonB;
 
   public ClientProcessor() {
-    var jsonBOnClassPath = false;
-    try {
-      Class.forName("io.avaje.jsonb.Jsonb");
-      jsonBOnClassPath = true;
-    } catch (final ClassNotFoundException e) {
-      // intentionally ignored
-    }
-    useJsonB = jsonBOnClassPath;
+    useJsonB = JsonBUtil.detectJsonb();
   }
 
   public ClientProcessor(boolean useJsonb) {

http-generator-core/src/main/java/io/avaje/http/generator/core/JsonBUtil.java

@@ -8,6 +8,18 @@
 public class JsonBUtil {
   private JsonBUtil() {}
 
+  /**
+   * Return true if avaje-jsonb is detected in the classpath.
+   */
+  public static boolean detectJsonb() {
+    try {
+      Class.forName("io.avaje.jsonb.Jsonb");
+      return true;
+    } catch (final ClassNotFoundException e) {
+      return false;
+    }
+  }
+
   public static Map<String, UType> jsonTypes(ControllerReader reader) {
 
     final Map<String, UType> jsonTypes = new LinkedHashMap<>();

http-generator-javalin/src/main/java/io/avaje/http/generator/javalin/JavalinProcessor.java

@@ -1,9 +1,6 @@
 package io.avaje.http.generator.javalin;
 
-import io.avaje.http.generator.core.BaseProcessor;
-import io.avaje.http.generator.core.ControllerReader;
-import io.avaje.http.generator.core.PlatformAdapter;
-import io.avaje.http.generator.core.ProcessingContext;
+import io.avaje.http.generator.core.*;
 
 import java.io.IOException;
 
@@ -12,14 +9,7 @@ public class JavalinProcessor extends BaseProcessor {
   private final boolean useJsonB;
 
   public JavalinProcessor() {
-    var jsonBOnClassPath = false;
-    try {
-      Class.forName("io.avaje.jsonb.Jsonb");
-      jsonBOnClassPath = true;
-    } catch (final ClassNotFoundException e) {
-      // intentionally ignored
-    }
-    useJsonB = jsonBOnClassPath;
+    useJsonB = JsonBUtil.detectJsonb();
   }
 
   public JavalinProcessor(boolean useJsonb) {

http-generator-nima/src/main/java/io/avaje/http/generator/helidon/nima/NimaProcessor.java

@@ -1,9 +1,6 @@
 package io.avaje.http.generator.helidon.nima;
 
-import io.avaje.http.generator.core.BaseProcessor;
-import io.avaje.http.generator.core.ControllerReader;
-import io.avaje.http.generator.core.PlatformAdapter;
-import io.avaje.http.generator.core.ProcessingContext;
+import io.avaje.http.generator.core.*;
 
 import java.io.IOException;
 
@@ -12,14 +9,7 @@ public class NimaProcessor extends BaseProcessor {
   private final boolean jsonB;
 
   public NimaProcessor() {
-    var jsonBOnClassPath = false;
-    try {
-      Class.forName("io.avaje.jsonb.Jsonb");
-      jsonBOnClassPath = true;
-    } catch (final ClassNotFoundException e) {
-      // intentionally ignored
-    }
-    jsonB = jsonBOnClassPath;
+    jsonB = JsonBUtil.detectJsonb();
   }
 
   public NimaProcessor(boolean useJsonb) {