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mageddo/CustomObjectMapper.java

Created January 31, 2023 04:07
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  1. mageddo created this gist Jan 31, 2023.
    23 changes: 23 additions & 0 deletions CustomObjectMapper.java
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    import com.fasterxml.jackson.databind.ObjectMapper;
    import io.quarkus.jackson.ObjectMapperCustomizer;

    import javax.enterprise.inject.Instance;
    import javax.enterprise.inject.Produces;
    import javax.inject.Singleton;

    public class CustomObjectMapper {

    // Replaces the CDI producer for ObjectMapper built into Quarkus
    @Singleton
    @Produces
    ObjectMapper objectMapper(Instance<ObjectMapperCustomizer> customizers) {
    ObjectMapper mapper = myObjectMapper(); // Custom `ObjectMapper`

    // Apply all ObjectMapperCustomizer beans (incl. Quarkus)
    for (ObjectMapperCustomizer customizer : customizers) {
    customizer.customize(mapper);
    }

    return mapper;
    }
    }
    39 changes: 39 additions & 0 deletions FruitResource.java
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    // https://quarkus.io/guides/rest-json
    package org.acme.rest.json;

    import java.util.Collections;
    import java.util.LinkedHashMap;
    import java.util.Set;

    import javax.ws.rs.DELETE;
    import javax.ws.rs.GET;
    import javax.ws.rs.POST;
    import javax.ws.rs.Path;

    @Path("/fruits")
    public class FruitResource {

    private Set<Fruit> fruits = Collections.newSetFromMap(Collections.synchronizedMap(new LinkedHashMap<>()));

    public FruitResource() {
    fruits.add(new Fruit("Apple", "Winter fruit"));
    fruits.add(new Fruit("Pineapple", "Tropical fruit"));
    }

    @GET
    public Set<Fruit> list() {
    return fruits;
    }

    @POST
    public Set<Fruit> add(Fruit fruit) {
    fruits.add(fruit);
    return fruits;
    }

    @DELETE
    public Set<Fruit> delete(Fruit fruit) {
    fruits.removeIf(existingFruit -> existingFruit.name.contentEquals(fruit.name));
    return fruits;
    }
    }