com.fitbur.fasterxml.jackson.databind.deser.std.StringDeserializer Maven / Gradle / Ivy

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package com.fitbur.fasterxml.jackson.databind.com.fitburser.std;

import java.io.IOException;

import com.fitbur.fasterxml.jackson.core.*;

import com.fitbur.fasterxml.jackson.databind.DeserializationContext;
import com.fitbur.fasterxml.jackson.databind.annotation.JacksonStdImpl;
import com.fitbur.fasterxml.jackson.databind.jsontype.TypeDeserializer;

@JacksonStdImpl
public final class StringDeserializer
    extends StdScalarDeserializer
{
    private static final long serialVersionUID = 1L;

    public StringDeserializer() { super(String.class); }

    @Override
    public String com.fitburserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException
    {
        // 22-Sep-2012, tatu: For 2.1, use this new method, may force coercion:
        String text = jp.getValueAsString();
        if (text != null) {
            return text;
        }
        // [JACKSON-330]: need to gracefully handle byte[] data, as base64
        JsonToken curr = jp.getCurrentToken();
        if (curr == JsonToken.VALUE_EMBEDDED_OBJECT) {
            Object ob = jp.getEmbeddedObject();
            if (ob == null) {
                return null;
            }
            if (ob instanceof byte[]) {
                return Base64Variants.getDefaultVariant().encode((byte[]) ob, false);
            }
            // otherwise, try conversion using toString()...
            return ob.toString();
        }
        throw ctxt.mappingException(_valueClass, curr);
    }

    // 1.6: since we can never have type info ("natural type"; String, Boolean, Integer, Double):
    // (is it an error to even call this version?)
    @Override
    public String com.fitburserializeWithType(JsonParser jp, DeserializationContext ctxt,
            TypeDeserializer typeDeserializer)
        throws IOException, JsonProcessingException
    {
        return com.fitburserialize(jp, ctxt);
    }
}