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package com.fasterxml.jackson.databind.util;

import java.util.Collections;
import java.util.Iterator;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.AnnotationIntrospector;
import com.fasterxml.jackson.databind.PropertyMetadata;
import com.fasterxml.jackson.databind.PropertyName;
import com.fasterxml.jackson.databind.cfg.MapperConfig;
import com.fasterxml.jackson.databind.introspect.*;

/**
 * Simple immutable {@link BeanPropertyDefinition} implementation that can
 * be wrapped around a {@link AnnotatedMember} that is a simple
 * accessor (getter) or mutator (setter, constructor parameter)
 * (or both, for fields).
 */
public class SimpleBeanPropertyDefinition
    extends BeanPropertyDefinition
{
    protected final AnnotationIntrospector _introspector;

    /**
     * Member that defines logical property. Assumption is that it
     * should be a 'simple' accessor; meaning a zero-argument getter,
     * single-argument setter or constructor parameter.
     *

* NOTE: for "virtual" properties, this is null. */ protected final AnnotatedMember _member; /** * @since 2.5 */ protected final PropertyMetadata _metadata; /** * @since 2.5 */ protected final PropertyName _fullName; /** * @since 2.5 */ protected final JsonInclude.Value _inclusion; /** * @deprecated Since 2.5 use _fullName instead. */ @Deprecated protected final String _name; /* /********************************************************** /* Construction /********************************************************** */ protected SimpleBeanPropertyDefinition(AnnotatedMember member, PropertyName fullName, AnnotationIntrospector intr, PropertyMetadata metadata, JsonInclude.Include inclusion) { this(member, fullName, intr, metadata, ((inclusion == null) || (inclusion == JsonInclude.Include.USE_DEFAULTS) ? EMPTY_INCLUDE : JsonInclude.Value.construct(inclusion, null))); } protected SimpleBeanPropertyDefinition(AnnotatedMember member, PropertyName fullName, AnnotationIntrospector intr, PropertyMetadata metadata, JsonInclude.Value inclusion) { _introspector = intr; _member = member; _fullName = fullName; _name = fullName.getSimpleName(); _metadata = (metadata == null) ? PropertyMetadata.STD_OPTIONAL: metadata; _inclusion = inclusion; } /** * @deprecated Since 2.5 Use variant that takes PropertyName */ @Deprecated protected SimpleBeanPropertyDefinition(AnnotatedMember member, String name, AnnotationIntrospector intr) { this(member, new PropertyName(name), intr, null, EMPTY_INCLUDE); } /** * @since 2.2 */ public static SimpleBeanPropertyDefinition construct(MapperConfig config, AnnotatedMember member) { return new SimpleBeanPropertyDefinition(member, PropertyName.construct(member.getName()), (config == null) ? null : config.getAnnotationIntrospector(), null, EMPTY_INCLUDE); } /** * @deprecated Since 2.5 */ @Deprecated public static SimpleBeanPropertyDefinition construct(MapperConfig config, AnnotatedMember member, String name) { return new SimpleBeanPropertyDefinition(member, PropertyName.construct(name), (config == null) ? null : config.getAnnotationIntrospector(), null, EMPTY_INCLUDE); } /** * @since 2.5 */ public static SimpleBeanPropertyDefinition construct(MapperConfig config, AnnotatedMember member, PropertyName name) { return construct(config, member, name, null, EMPTY_INCLUDE); } /** * @since 2.5 */ public static SimpleBeanPropertyDefinition construct(MapperConfig config, AnnotatedMember member, PropertyName name, PropertyMetadata metadata, JsonInclude.Include inclusion) { return new SimpleBeanPropertyDefinition(member, name, (config == null) ? null : config.getAnnotationIntrospector(), metadata, inclusion); } /** * @since 2.7 */ public static SimpleBeanPropertyDefinition construct(MapperConfig config, AnnotatedMember member, PropertyName name, PropertyMetadata metadata, JsonInclude.Value inclusion) { return new SimpleBeanPropertyDefinition(member, name, (config == null) ? null : config.getAnnotationIntrospector(), metadata, inclusion); } /* /********************************************************** /* Fluent factories /********************************************************** */ // Note: removed from base class in 2.6; left here until 2.7 @Deprecated // since 2.3 (remove in 2.7) public BeanPropertyDefinition withName(String newName) { return withSimpleName(newName); } @Override public BeanPropertyDefinition withSimpleName(String newName) { if (_fullName.hasSimpleName(newName) && !_fullName.hasNamespace()) { return this; } return new SimpleBeanPropertyDefinition(_member, new PropertyName(newName), _introspector, _metadata, _inclusion); } @Override public BeanPropertyDefinition withName(PropertyName newName) { if (_fullName.equals(newName)) { return this; } return new SimpleBeanPropertyDefinition(_member, newName, _introspector, _metadata, _inclusion); } /** * @since 2.5 */ public BeanPropertyDefinition withMetadata(PropertyMetadata metadata) { if (metadata.equals(_metadata)) { return this; } return new SimpleBeanPropertyDefinition(_member, _fullName, _introspector, metadata, _inclusion); } /** * @since 2.5 */ public BeanPropertyDefinition withInclusion(JsonInclude.Value inclusion) { if (_inclusion == inclusion) { return this; } return new SimpleBeanPropertyDefinition(_member, _fullName, _introspector, _metadata, inclusion); } /* /********************************************************** /* Basic property information, name, type /********************************************************** */ @Override public String getName() { return _fullName.getSimpleName(); } @Override public PropertyName getFullName() { return _fullName; } @Override public boolean hasName(PropertyName name) { return _fullName.equals(name); } @Override public String getInternalName() { return getName(); } @Override public PropertyName getWrapperName() { return ((_introspector == null) && (_member != null)) ? null : _introspector.findWrapperName(_member); } // hmmh. what should we claim here? @Override public boolean isExplicitlyIncluded() { return false; } @Override public boolean isExplicitlyNamed() { return false; } /** * We will indicate that property is optional, since there is nothing * to indicate whether it might be required. */ @Override public PropertyMetadata getMetadata() { return _metadata; } @Override public JsonInclude.Value findInclusion() { return _inclusion; } /* /********************************************************** /* Access to accessors (fields, methods etc) /********************************************************** */ @Override public boolean hasGetter() { return (getGetter() != null); } @Override public boolean hasSetter() { return (getSetter() != null); } @Override public boolean hasField() { return (_member instanceof AnnotatedField); } @Override public boolean hasConstructorParameter() { return (_member instanceof AnnotatedParameter); } @Override public AnnotatedMethod getGetter() { if ((_member instanceof AnnotatedMethod) && ((AnnotatedMethod) _member).getParameterCount() == 0) { return (AnnotatedMethod) _member; } return null; } @Override public AnnotatedMethod getSetter() { if ((_member instanceof AnnotatedMethod) && ((AnnotatedMethod) _member).getParameterCount() == 1) { return (AnnotatedMethod) _member; } return null; } @Override public AnnotatedField getField() { return (_member instanceof AnnotatedField) ? (AnnotatedField) _member : null; } @Override public AnnotatedParameter getConstructorParameter() { return (_member instanceof AnnotatedParameter) ? (AnnotatedParameter) _member : null; } @Override public Iterator getConstructorParameters() { AnnotatedParameter param = getConstructorParameter(); if (param == null) { return ClassUtil.emptyIterator(); } return Collections.singleton(param).iterator(); } /** * Method used to find accessor (getter, field to access) to use for accessing * value of the property. * Null if no such member exists. */ @Override public AnnotatedMember getAccessor() { AnnotatedMember acc = getGetter(); if (acc == null) { acc = getField(); } return acc; } /** * Method used to find mutator (constructor parameter, setter, field) to use for * changing value of the property. * Null if no such member exists. */ @Override public AnnotatedMember getMutator() { AnnotatedMember acc = getConstructorParameter(); if (acc == null) { acc = getSetter(); if (acc == null) { acc = getField(); } } return acc; } @Override public AnnotatedMember getNonConstructorMutator() { AnnotatedMember acc = getSetter(); if (acc == null) { acc = getField(); } return acc; } @Override public AnnotatedMember getPrimaryMember() { return _member; } }





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