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Common utilities is a set of java utilities for managing typical actions when working with enums, files, exceptions, zip/jar files, classes (via Reflection), maps, numbers and so on. Most of the utilities extend functionalities offered by amazing libraries such as: * commons-beanutils (apache) * commons-lang3 (apache) * commons-io (apache) * commons-math3 (apache) * commons-collections4 (apache) * jreversepro (akkumar)

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package com.araguacaima.commons.utils.json.parser;

import com.araguacaima.commons.utils.StringUtils;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.StdScalarSerializer;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

import java.io.IOException;

public class EnumSerializer extends StdScalarSerializer {

    private final static DateTimeFormatter DATE_FORMAT = DateTimeFormat.forPattern("YYYY-MM-DD\'T\'hh:mm:ss.sZZ");

    public EnumSerializer() {
        super(Enum.class);
    }

    protected EnumSerializer(Class t) {
        super(t);
    }

    @Override
    public void serialize(Enum value, JsonGenerator jgen, SerializerProvider provider)
            throws IOException {
        if (value == null) {
            jgen.writeString(StringUtils.EMPTY);
        } else {
            jgen.writeString(StringUtils.defaultIfEmpty(value.name(), StringUtils.EMPTY));
        }
    }
}