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package com.fasterxml.jackson.databind.ser;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonObjectFormatVisitor;
import com.fasterxml.jackson.databind.node.ObjectNode;

/**
 * Interface that defines API for filter objects use (as configured
 * using {@link com.fasterxml.jackson.annotation.JsonFilter})
 * for filtering bean properties to serialize.
 *

* Note that Jackson 2.1 added two new methods -- as a result, it is * strongly recommended that custom implementations extend * {@link com.fasterxml.jackson.databind.ser.impl.SimpleBeanPropertyFilter}, * to avoid backwards compatibility issues in future. */ public interface BeanPropertyFilter { /** * Method called by {@link BeanSerializer} to let filter decide what to do with * given bean property value: the usual choices are to either filter out (i.e. * do nothing) or write using given {@link BeanPropertyWriter}, although filters * can choose other to do something different altogether. * * @param bean Bean of which property value to serialize * @param jgen Generator use for serializing value * @param prov Provider that can be used for accessing dynamic aspects of serialization * processing * @param writer Default bean property serializer to use */ public void serializeAsField(Object bean, JsonGenerator jgen, SerializerProvider prov, BeanPropertyWriter writer) throws Exception; /** * Method called by {@link BeanSerializer} to let the filter determine whether, and in what * form the given property exist within the parent, or root, schema. Filters can omit * adding the property to the node, or choose the form of the schema value for the property. *

* Typical implementation is something like: *

     * if (include(writer)) {
     *      writer.depositSchemaProperty(propertiesNode, provider);
     * }
     *
* * @param writer Bean property serializer to use to create schema value * @param propertiesNode Node which the given property would exist within * @param provider Provider that can be used for accessing dynamic aspects of serialization * processing * * @since 2.1 */ public void depositSchemaProperty(BeanPropertyWriter writer, ObjectNode propertiesNode, SerializerProvider provider) throws JsonMappingException; /** * Method called by {@link BeanSerializer} to let the filter determine whether, and in what * form the given property exist within the parent, or root, schema. Filters can omit * adding the property to the node, or choose the form of the schema value for the property *

* Typical implementation is something like: *

     * if (include(writer)) {
     *      writer.depositSchemaProperty(objectVisitor, provider);
     * }
     *
* * @param writer Bean property serializer to use to create schema value * @param objectVisitor JsonObjectFormatVisitor which should be aware of * the property's existence * @param provider Provider that can be used for accessing dynamic aspects of serialization * processing * * @since 2.1 */ public void depositSchemaProperty(BeanPropertyWriter writer, JsonObjectFormatVisitor objectVisitor, SerializerProvider provider) throws JsonMappingException; }




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