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    • com.fasterxml.jackson.module.blackbird.ser.StringPropertyWriter Maven / Gradle / Ivy

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    Jackson (https://github.com/FasterXML/jackson) extension module that uses LambdaMetafactory based code generation to replace reflection calls.

    The newest version!
    package com.fasterxml.jackson.module.blackbird.ser;

import java.util.function.Function;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.PropertyName;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.BeanPropertyWriter;

final class StringPropertyWriter
    extends OptimizedBeanPropertyWriter
{
    private static final long serialVersionUID = 1L;

    private final Function _acc;

    public StringPropertyWriter(BeanPropertyWriter src, Function acc, JsonSerializer ser) {
        super(src, ser);
        _acc = acc;
    }

    protected StringPropertyWriter(StringPropertyWriter base, PropertyName name) {
        super(base, name);
        _acc = base._acc;
    }

    @Override
    protected BeanPropertyWriter _new(PropertyName newName) {
        return new StringPropertyWriter(this, newName);
    }

    @Override
    public BeanPropertyWriter withSerializer(JsonSerializer ser) {
        return new StringPropertyWriter(this, _acc, ser);
    }

    /*
    /**********************************************************
    /* Overrides
    /**********************************************************
     */

    @Override
    public final void serializeAsField(Object bean, JsonGenerator gen, SerializerProvider prov) throws Exception
    {
        if (broken) {
            fallbackWriter.serializeAsField(bean, gen, prov);
            return;
        }
        String value;
        try {
            value = _acc.apply(bean);
        } catch (Throwable t) {
            _handleProblem(bean, gen, prov, t, false);
            return;
        }
        // Null (etc) handling; copied from super-class impl
        if (value == null) {
            // 20-Jun-2022, tatu: Defer checking of null, see [databind#3481]
            if ((_suppressableValue != null)
                    && prov.includeFilterSuppressNulls(_suppressableValue)) {
                return;
            }
            if (_nullSerializer != null) {
                gen.writeFieldName(_fastName);
                _nullSerializer.serialize(null, gen, prov);
            }
            return;
        }
        if (_suppressableValue != null) {
            if (MARKER_FOR_EMPTY == _suppressableValue) {
                if (value.length() == 0) {
                    return;
                }
            } else if (_suppressableValue.equals(value)) {
                return;
            }
        }
        gen.writeFieldName(_fastName);
        gen.writeString(value);
    }

    @Override
    public final void serializeAsElement(Object bean, JsonGenerator gen, SerializerProvider prov) throws Exception
    {
        if (broken) {
            fallbackWriter.serializeAsElement(bean, gen, prov);
            return;
        }

        String value;
        try {
            value = _acc.apply(bean);
        } catch (Throwable t) {
            _handleProblem(bean, gen, prov, t, true);
            return;
        }
        // Null (etc) handling; copied from super-class impl
        if (value == null) {
            if (_suppressNulls) {
                serializeAsPlaceholder(bean, gen, prov);
            } else {
                prov.defaultSerializeNull(gen);
            }
            return;
        }
        if (_suppressableValue != null) {
            if (MARKER_FOR_EMPTY == _suppressableValue) {
                if (value.length() == 0) {
                    serializeAsPlaceholder(bean, gen, prov);
                    return;
                }
            } else if (_suppressableValue.equals(value)) {
                serializeAsPlaceholder(bean, gen, prov);
                return;
            }
        }
        gen.writeString(value);
    }
}
    
    
    
    

    




    
    
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