com.fasterxml.jackson.databind.deser.std.AtomicBooleanDeserializer Maven / Gradle / Ivy

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This artifact provides a single jar that contains all classes required to use remote Jakarta Enterprise Beans and Jakarta Messaging, including all dependencies. It is intended for use by those not using maven, maven users should just import the Jakarta Enterprise Beans and Jakarta Messaging BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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package com.fasterxml.jackson.databind.deser.std;

import java.io.IOException;
import java.util.concurrent.atomic.AtomicBoolean;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.type.LogicalType;

public class AtomicBooleanDeserializer extends StdScalarDeserializer
{
    private static final long serialVersionUID = 1L;

    public AtomicBooleanDeserializer() { super(AtomicBoolean.class); }

    @Override
    public AtomicBoolean deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
        JsonToken t = p.currentToken();
        if (t == JsonToken.VALUE_TRUE) {
            return new AtomicBoolean(true);
        }
        if (t == JsonToken.VALUE_FALSE) {
            return new AtomicBoolean(false);
        }
        // 12-Jun-2020, tatu: May look convoluted, but need to work correctly with
        //   CoercionConfig
        Boolean b = _parseBoolean(p, ctxt, AtomicBoolean.class);
        return (b == null) ? null : new AtomicBoolean(b.booleanValue());
    }

    @Override
    public LogicalType logicalType() { return LogicalType.Boolean; }

    @Override // @since 2.12
    public Object getEmptyValue(DeserializationContext ctxt) throws JsonMappingException {
        return new AtomicBoolean(false);
    }
}