com.fasterxml.jackson.datatype.eaio.UUIDModule.java Source code

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Here is the source code for com.fasterxml.jackson.datatype.eaio.UUIDModule.java

Source

package com.fasterxml.jackson.datatype.eaio;

import java.io.IOException;

import com.eaio.uuid.UUID;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.Version;
import com.fasterxml.jackson.core.Versioned;
import com.fasterxml.jackson.core.util.VersionUtil;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.KeyDeserializer;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;

/**
 * {@link UUIDModule}
 * 
 * @version $Id: 8fe4d1769669c6ddc1403a51ec9f0098dc024a60 $
 * @author Rick van Krevelen
 */
public class UUIDModule extends SimpleModule {
    private static final long serialVersionUID = 1L;

    /** */
    //   private static final Logger LOG = LogUtil.getLogger( UUIDModule.class );

    public UUIDModule() {
        super(PackageVersion.VERSION);

        addDeserializer(UUID.class, new UUIDDeserializer());

        addSerializer(UUID.class, ToStringSerializer.instance);

        addKeyDeserializer(UUID.class, new UUIDKeyDeserializer());
    }

    // yes, will try to avoid duplicate registrations (if MapperFeature enabled)
    @Override
    public String getModuleName() {
        return getClass().getSimpleName();
    }

    @Override
    public int hashCode() {
        return getClass().hashCode();
    }

    @Override
    public boolean equals(Object o) {
        return this == o;
    }

    public final static class PackageVersion implements Versioned {
        public final static Version VERSION = VersionUtil.parseVersion("2.7.1", "com.fasterxml.jackson.datatype",
                "jackson-datatype-eaio");

        @Override
        public Version version() {
            return VERSION;
        }
    }

    public static class UUIDDeserializer extends JsonDeserializer<UUID> {
        @Override
        public UUID deserialize(final JsonParser p, final DeserializationContext ctxt)
                throws IOException, JsonProcessingException {
            final String v = p.getText();
            return v == null ? null : new UUID(v);
        }
    }

    public static class UUIDKeyDeserializer extends KeyDeserializer {
        @Override
        public Object deserializeKey(final String key, final DeserializationContext ctxt)
                throws IOException, JsonProcessingException {
            return key == null ? null : new UUID(key);
        }
    }
}