io.bdeploy.bhive.remote.jersey.BHiveJacksonModule Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of api Show documentation

Public API including dependencies, ready to be used for integrations and plugins.

There is a newer version: 7.3.6

package io.bdeploy.bhive.remote.jersey;

import java.io.IOException;
import java.util.LinkedHashSet;
import java.util.Set;

import org.glassfish.hk2.utilities.Binder;
import org.glassfish.hk2.utilities.binding.AbstractBinder;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.KeyDeserializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.module.SimpleModule;

import io.bdeploy.bhive.model.Manifest;
import io.bdeploy.bhive.model.Manifest.Key;

/**
 * A jackson module which adds logic to (de-) serialize {@link Key}s.
 */
public class BHiveJacksonModule extends SimpleModule {

    private static final long serialVersionUID = 1L;

    public BHiveJacksonModule() {
        addKeySerializer(Manifest.Key.class, new MKS());
        addKeyDeserializer(Manifest.Key.class, new MKD());

        // We absolutely require ordered Sets even over the wire to maintain object orders.
        addAbstractTypeMapping(Set.class, LinkedHashSet.class);
    }

    public Binder binder() {
        return new AbstractBinder() {

            @Override
            protected void configure() {
                bind(BHiveJacksonModule.this).to(com.fasterxml.jackson.databind.Module.class);
            }
        };
    }

    private static class MKS extends JsonSerializer {

        @Override
        public void serialize(Manifest.Key value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
            gen.writeFieldName(value.toString());
        }
    }

    private static class MKD extends KeyDeserializer {

        @Override
        public Object deserializeKey(String key, DeserializationContext ctxt) throws IOException {
            return Manifest.Key.parse(key);
        }
    }

}