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Jackson (https://github.com/FasterXML/jackson) extension module used to enhance performance using bytecode generation to replace use of Reflection for field access and method calls

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package com.fasterxml.jackson.module.afterburner.deser;

import java.io.IOException;

import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.deser.SettableBeanProperty;

public final class SettableStringFieldProperty
    extends OptimizedSettableBeanProperty
{
    private static final long serialVersionUID = 1L;

    public SettableStringFieldProperty(SettableBeanProperty src,
            BeanPropertyMutator mutator, int index)
    {
        super(src, mutator, index);
    }

    @Override
    protected SettableBeanProperty withDelegate(SettableBeanProperty del) {
        return new SettableStringFieldProperty(del, _propertyMutator, _optimizedIndex);
    }

    @Override
    public SettableBeanProperty withMutator(BeanPropertyMutator mut) {
        return new SettableStringFieldProperty(delegate, mut, _optimizedIndex);
    }

    /*
    /********************************************************************** 
    /* Deserialization
    /********************************************************************** 
     */

    @Override
    public void deserializeAndSet(JsonParser p, DeserializationContext ctxt,
            Object bean) throws IOException
    {
        if (!p.hasToken(JsonToken.VALUE_STRING)) {
            delegate.deserializeAndSet(p, ctxt, bean);
            return;
        }
        final String text = p.getText();
        try {
            _propertyMutator.stringField(bean, _optimizedIndex, text);
        } catch (Throwable e) {
            _reportProblem(bean, text, e);
        }
    }

    @Override
    public Object deserializeSetAndReturn(JsonParser p, DeserializationContext ctxt, Object instance)
        throws IOException
    {
        if (p.hasToken(JsonToken.VALUE_STRING)) {
            return setAndReturn(instance, p.getText());
        }
        return delegate.deserializeSetAndReturn(p, ctxt, instance);
    }

    @Override
    public void set(Object bean, Object value) throws IOException {
        final String text = (String) value;
        try {
            _propertyMutator.stringField(bean, _optimizedIndex, text);
        } catch (Throwable e) {
            _reportProblem(bean, text, e);
        }
    }
}