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Data Mapper package is a high-performance data binding package built on Jackson JSON processor

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package org.codehaus.jackson.map.ser;

import java.io.IOException;

import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.JsonGenerator;
import org.codehaus.jackson.map.*;
import org.codehaus.jackson.map.ser.impl.UnwrappingBeanSerializer;
import org.codehaus.jackson.map.ser.std.BeanSerializerBase;
import org.codehaus.jackson.type.JavaType;

/**
 * Serializer class that can serialize arbitrary bean objects
 *

* Implementation note: we will post-process resulting serializer, * to figure out actual serializers for final types. This must be * done from {@link #resolve} method, and NOT from constructor; * otherwise we could end up with an infinite loop. *

* Since 1.7 instances are immutable; this is achieved by using a * separate builder during construction process. */ public class BeanSerializer extends BeanSerializerBase { /* /********************************************************** /* Life-cycle: constructors /********************************************************** */ /** * @param type Nominal type of values handled by this serializer * @param properties Property writers used for actual serialization */ public BeanSerializer(JavaType type, BeanPropertyWriter[] properties, BeanPropertyWriter[] filteredProperties, AnyGetterWriter anyGetterWriter, Object filterId) { super(type, properties, filteredProperties, anyGetterWriter, filterId); } public BeanSerializer(Class rawType, BeanPropertyWriter[] properties, BeanPropertyWriter[] filteredProperties, AnyGetterWriter anyGetterWriter, Object filterId) { super(rawType, properties, filteredProperties, anyGetterWriter, filterId); } /** * Copy-constructor that is useful for sub-classes that just want to * copy all super-class properties without modifications. * * @since 1.7 */ protected BeanSerializer(BeanSerializer src) { super(src); } /** * Alternate copy constructor that can be used to construct * standard {@link BeanSerializer} passing an instance of * "compatible enough" source serializer. * * @since 1.9 */ protected BeanSerializer(BeanSerializerBase src) { super(src); } /* /********************************************************** /* Life-cycle: factory methods, fluent factories /********************************************************** */ /** * Method for constructing dummy bean deserializer; one that * never outputs any properties */ public static BeanSerializer createDummy(Class forType) { return new BeanSerializer(forType, NO_PROPS, null, null, null); } @Override public JsonSerializer unwrappingSerializer() { return new UnwrappingBeanSerializer(this); } /* /********************************************************** /* JsonSerializer implementation that differs between impls /********************************************************** */ /** * Main serialization method that will delegate actual output to * configured * {@link BeanPropertyWriter} instances. */ @Override public final void serialize(Object bean, JsonGenerator jgen, SerializerProvider provider) throws IOException, JsonGenerationException { jgen.writeStartObject(); if (_propertyFilterId != null) { serializeFieldsFiltered(bean, jgen, provider); } else { serializeFields(bean, jgen, provider); } jgen.writeEndObject(); } /* /********************************************************** /* Standard methods /********************************************************** */ @Override public String toString() { return "BeanSerializer for "+handledType().getName(); } }