Support using @Json.Ignore on a type

blackbox-test/src/main/java/org/example/customer/IgnoredClass.java

@@ -0,0 +1,47 @@
+package org.example.customer;
+
+import io.avaje.jsonb.Json;
+import io.avaje.jsonb.Json.Ignore;
+import io.avaje.jsonb.Json.Property;
+
+@Json
+@Ignore(serialize = true)
+public class IgnoredClass {
+
+  private String firstName;
+
+  @Json.Ignore private String middleName;
+
+  @Property("last")
+  @Json.Ignore(deserialize = true, serialize = true)
+  private String lastName;
+
+  public IgnoredClass() {}
+
+  public IgnoredClass(String firstName, String middleName) {
+    this.firstName = firstName;
+    this.middleName = middleName;
+  }
+
+  public String getFirstName() {
+    return firstName;
+  }
+
+  public IgnoredClass setFirstName(String firstName) {
+    this.firstName = firstName;
+    return this;
+  }
+
+  public String getMiddleName() {
+    return middleName;
+  }
+
+  public String getLastName() {
+    return lastName;
+  }
+
+  public IgnoredClass setLastName(String lastName) {
+    this.lastName = lastName;
+    return this;
+  }
+}

blackbox-test/src/test/java/org/example/customer/IgnoreClassTest.java

@@ -0,0 +1,26 @@
+package org.example.customer;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.Test;
+
+import io.avaje.jsonb.Jsonb;
+
+class IgnoreClassTest {
+
+  Jsonb jsonb = Jsonb.builder().build();
+
+  @Test
+  void toJsonFromJson() {
+    var bean = new IgnoredClass("fn", "mn");
+    bean.setLastName("ln");
+
+    String asJson = jsonb.toJson(bean);
+    assertThat(asJson).isEqualTo("{\"firstName\":\"fn\",\"last\":\"ln\"}");
+
+    var fromJson = jsonb.type(IgnoredClass.class).fromJson(asJson);
+    assertThat(fromJson.getFirstName()).isNull();
+    assertThat(fromJson.getLastName()).isNotEmpty();
+    assertThat(fromJson.getMiddleName()).isNull();
+  }
+}

jsonb-generator/src/main/java/io/avaje/jsonb/generator/PropertyIgnoreReader.java

@@ -1,12 +1,13 @@
 package io.avaje.jsonb.generator;
 
+import java.lang.invoke.MethodHandles;
+import java.util.function.Predicate;
+
 import javax.lang.model.element.Element;
 import javax.lang.model.element.ExecutableElement;
 import javax.lang.model.element.VariableElement;
 import javax.lang.model.util.ElementFilter;
 import javax.lang.model.util.Elements;
-import java.lang.invoke.MethodHandles;
-import java.util.function.Predicate;
 
 final class PropertyIgnoreReader {
 
@@ -29,9 +30,14 @@ final class PropertyIgnoreReader {
     ignoreSerialize = propertyMethodOverride;
 
     final IgnorePrism ignored = IgnorePrism.getInstanceOn(element);
+
+    final IgnorePrism ignoreFromType = IgnorePrism.getInstanceOn(element.getEnclosingElement());
     if (ignored != null) {
       ignoreDeserialize = !ignored.deserialize();
       ignoreSerialize = propertyMethodOverride || !ignored.serialize();
+    } else if (ignoreFromType != null) {
+      ignoreDeserialize = !ignoreFromType.deserialize();
+      ignoreSerialize = propertyMethodOverride || !ignoreFromType.serialize();
     }
   }
 

jsonb-generator/src/test/java/io/avaje/jsonb/generator/models/valid/ignore/IgnoredClass.java

@@ -0,0 +1,46 @@
+package io.avaje.jsonb.generator.models.valid.ignore;
+
+import io.avaje.jsonb.Json;
+import io.avaje.jsonb.Json.Ignore;
+import io.avaje.jsonb.Json.Property;
+
+@Json
+@Ignore(serialize = true)
+public class IgnoredClass {
+
+  private String firstName;
+
+  @Json.Ignore private String middleName;
+
+  @Property("last")
+  private String lastName;
+
+  public IgnoredClass() {}
+
+  public IgnoredClass(String firstName, String middleName) {
+    this.firstName = firstName;
+    this.middleName = middleName;
+  }
+
+  public String getFirstName() {
+    return firstName;
+  }
+
+  public IgnoredClass setFirstName(String firstName) {
+    this.firstName = firstName;
+    return this;
+  }
+
+  public String getMiddleName() {
+    return middleName;
+  }
+
+  public String getLastName() {
+    return lastName;
+  }
+
+  public IgnoredClass setLastName(String lastName) {
+    this.lastName = lastName;
+    return this;
+  }
+}

jsonb/src/main/java/io/avaje/jsonb/Json.java

@@ -151,18 +151,14 @@
    * We can explicitly use {@code serialize=true} to include the property in
    * serialization but not deserialization.
    */
-  @Target(FIELD)
+  @Target({FIELD, TYPE})
   @Retention(SOURCE)
   @interface Ignore {
 
-    /**
-     * Set this explicitly to true to include in serialization.
-     */
+    /** Include in serialization. */
     boolean serialize() default false;
 
-    /**
-     * Set this explicitly to true to include in deserialization.
-     */
+    /** Include in deserialization. */
     boolean deserialize() default false;
   }
 
@@ -241,7 +237,7 @@
   @interface SubType {
 
     /**
-     * The concrete type that extends or implements the base type.
+     * Concrete type that extends or implements the base type.
      */
     Class<?> type();