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nl.open.jwtdependency.com.fasterxml.jackson.databind.deser.SettableBeanProperty Maven / Gradle / Ivy
This is a drop in replacement for the auth0 java-jwt library (see https://github.com/auth0/java-jwt). This jar makes sure there are no external dependencies (e.g. fasterXml, Apacha Commons) needed. This is useful when deploying to an application server (e.g. tomcat with Alfreso or Pega).
package com.fasterxml.jackson.databind.deser;
import java.io.IOException;
import java.lang.annotation.Annotation;
import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.deser.impl.FailingDeserializer;
import com.fasterxml.jackson.databind.introspect.*;
import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonObjectFormatVisitor;
import com.fasterxml.jackson.databind.jsontype.TypeDeserializer;
import com.fasterxml.jackson.databind.util.Annotations;
import com.fasterxml.jackson.databind.util.ViewMatcher;
/**
* Base class for deserializable properties of a bean: contains
* both type and name definitions, and reflection-based set functionality.
* Concrete sub-classes implement details, so that field- and
* setter-backed properties, as well as a few more esoteric variations,
* can be handled.
*/
@SuppressWarnings("serial")
public abstract class SettableBeanProperty
extends ConcreteBeanPropertyBase
implements java.io.Serializable
{
/**
* To avoid nasty NPEs, let's use a placeholder for _valueDeserializer,
* if real deserializer is not (yet) available.
*
* @since 2.2
*/
protected static final JsonDeserializer MISSING_VALUE_DESERIALIZER = new FailingDeserializer(
"No _valueDeserializer assigned");
/**
* Logical name of the property (often but not always derived
* from the setter method name)
*/
protected final PropertyName _propName;
/**
* Base type for property; may be a supertype of actual value.
*/
protected final JavaType _type;
/**
* @since 2.2
*/
protected final PropertyName _wrapperName;
/**
* Class that contains this property (either class that declares
* the property or one of its subclasses), class that is
* deserialized using deserializer that contains this property.
*/
protected final transient Annotations _contextAnnotations;
/**
* Deserializer used for handling property value.
*
* NOTE: has been immutable since 2.3
*/
protected final JsonDeserializer _valueDeserializer;
/**
* If value will contain type information (to support
* polymorphic handling), this is the type deserializer
* used to handle type resolution.
*/
protected final TypeDeserializer _valueTypeDeserializer;
/*
/**********************************************************
/* Configuration that is not yet immutable; generally assigned
/* during initialization process but can not be passed to
/* constructor.
/**********************************************************
*/
/**
* If property represents a managed (forward) reference
* (see [JACKSON-235]), we will need name of reference for
* later linking.
*
* TODO: should try to make immutable.
*/
protected String _managedReferenceName;
/**
* This is the information for object identity associated with the property.
*
* TODO: should try to make immutable.
*/
protected ObjectIdInfo _objectIdInfo;
/**
* Helper object used for checking whether this property is to
* be included in the active view, if property is view-specific;
* null otherwise.
*
* TODO: should try to make immutable.
*/
protected ViewMatcher _viewMatcher;
/**
* Index of property (within all property of a bean); assigned
* when all properties have been collected. Order of entries
* is arbitrary, but once indexes are assigned they are not
* changed.
*
* TODO: should try to make immutable if at all possible
*/
protected int _propertyIndex = -1;
/*
/**********************************************************
/* Life-cycle (construct & configure)
/**********************************************************
*/
protected SettableBeanProperty(BeanPropertyDefinition propDef,
JavaType type, TypeDeserializer typeDeser, Annotations contextAnnotations)
{
this(propDef.getFullName(), type, propDef.getWrapperName(), typeDeser,
contextAnnotations, propDef.getMetadata());
}
@Deprecated // since 2.3
protected SettableBeanProperty(String propName, JavaType type, PropertyName wrapper,
TypeDeserializer typeDeser, Annotations contextAnnotations,
boolean isRequired)
{
this(new PropertyName(propName), type, wrapper, typeDeser, contextAnnotations,
PropertyMetadata.construct(isRequired, null, null, null));
}
protected SettableBeanProperty(PropertyName propName, JavaType type, PropertyName wrapper,
TypeDeserializer typeDeser, Annotations contextAnnotations,
PropertyMetadata metadata)
{
super(metadata);
// 09-Jan-2009, tatu: Intern()ing makes sense since Jackson parsed
// field names are (usually) interned too, hence lookups will be faster.
// 23-Oct-2009, tatu: should this be disabled wrt [JACKSON-180]?
// Probably need not, given that namespace of field/method names
// is not unbounded, unlike potential JSON names.
if (propName == null) {
_propName = PropertyName.NO_NAME;
} else {
_propName = propName.internSimpleName();
}
_type = type;
_wrapperName = wrapper;
_contextAnnotations = contextAnnotations;
_viewMatcher = null;
// 30-Jan-2012, tatu: Important: contextualize TypeDeserializer now...
if (typeDeser != null) {
typeDeser = typeDeser.forProperty(this);
}
_valueTypeDeserializer = typeDeser;
_valueDeserializer = MISSING_VALUE_DESERIALIZER;
}
/**
* Constructor only used by {@link com.fasterxml.jackson.databind.deser.impl.ObjectIdValueProperty}.
*
* @since 2.3
*/
protected SettableBeanProperty(PropertyName propName, JavaType type,
PropertyMetadata metadata, JsonDeserializer valueDeser)
{
super(metadata);
// as with above ctor, intern()ing probably fine
if (propName == null) {
_propName = PropertyName.NO_NAME;
} else {
_propName = propName.internSimpleName();
}
_type = type;
_wrapperName = null;
_contextAnnotations = null;
_viewMatcher = null;
_valueTypeDeserializer = null;
_valueDeserializer = valueDeser;
}
/**
* Basic copy-constructor for sub-classes to use.
*/
protected SettableBeanProperty(SettableBeanProperty src)
{
super(src);
_propName = src._propName;
_type = src._type;
_wrapperName = src._wrapperName;
_contextAnnotations = src._contextAnnotations;
_valueDeserializer = src._valueDeserializer;
_valueTypeDeserializer = src._valueTypeDeserializer;
_managedReferenceName = src._managedReferenceName;
_propertyIndex = src._propertyIndex;
_viewMatcher = src._viewMatcher;
}
/**
* Copy-with-deserializer-change constructor for sub-classes to use.
*/
@SuppressWarnings("unchecked")
protected SettableBeanProperty(SettableBeanProperty src, JsonDeserializer deser)
{
super(src);
_propName = src._propName;
_type = src._type;
_wrapperName = src._wrapperName;
_contextAnnotations = src._contextAnnotations;
_valueTypeDeserializer = src._valueTypeDeserializer;
_managedReferenceName = src._managedReferenceName;
_propertyIndex = src._propertyIndex;
if (deser == null) {
_valueDeserializer = MISSING_VALUE_DESERIALIZER;
} else {
_valueDeserializer = (JsonDeserializer) deser;
}
_viewMatcher = src._viewMatcher;
}
/**
* Copy-with-deserializer-change constructor for sub-classes to use.
*/
protected SettableBeanProperty(SettableBeanProperty src, PropertyName newName)
{
super(src);
_propName = newName;
_type = src._type;
_wrapperName = src._wrapperName;
_contextAnnotations = src._contextAnnotations;
_valueDeserializer = src._valueDeserializer;
_valueTypeDeserializer = src._valueTypeDeserializer;
_managedReferenceName = src._managedReferenceName;
_propertyIndex = src._propertyIndex;
_viewMatcher = src._viewMatcher;
}
/**
* Fluent factory method for constructing and returning a new instance
* with specified value deserializer.
* Note that this method should NOT change configuration of this instance.
*
* @param deser Deserializer to assign to the new property instance
*
* @return Newly constructed instance, if value deserializer differs from the
* one used for this instance; or 'this' if not.
*/
public abstract SettableBeanProperty withValueDeserializer(JsonDeserializer deser);
/**
* Fluent factory method for constructing and returning a new instance
* with specified property name.
* Note that this method should NOT change configuration of this instance.
*
* @param newName Name to use for the new instance.
*
* @return Newly constructed instance, if property name differs from the
* one used for this instance; or 'this' if not.
*/
public abstract SettableBeanProperty withName(PropertyName newName);
/**
* @since 2.3
*/
public SettableBeanProperty withSimpleName(String simpleName) {
PropertyName n = (_propName == null)
? new PropertyName(simpleName) : _propName.withSimpleName(simpleName);
return (n == _propName) ? this : withName(n);
}
@Deprecated // since 2.3 -- use 'withSimpleName' instead if need be
public SettableBeanProperty withName(String simpleName) {
return withName(new PropertyName(simpleName));
}
public void setManagedReferenceName(String n) {
_managedReferenceName = n;
}
public void setObjectIdInfo(ObjectIdInfo objectIdInfo) {
_objectIdInfo = objectIdInfo;
}
public void setViews(Class[] views) {
if (views == null) {
_viewMatcher = null;
} else {
_viewMatcher = ViewMatcher.construct(views);
}
}
/**
* Method used to assign index for property.
*/
public void assignIndex(int index) {
if (_propertyIndex != -1) {
throw new IllegalStateException("Property '"+getName()+"' already had index ("+_propertyIndex+"), trying to assign "+index);
}
_propertyIndex = index;
}
/**
* Method called to ensure that the mutator has proper access rights to
* be called, as per configuration. Overridden by implementations that
* have mutators that require access, fields and setters.
*
* @since 2.8.3
*/
public void fixAccess(DeserializationConfig config) {
;
}
/*
/**********************************************************
/* BeanProperty impl
/**********************************************************
*/
@Override
public final String getName() {
return _propName.getSimpleName();
}
@Override
public PropertyName getFullName() {
return _propName;
}
@Override
public JavaType getType() { return _type; }
@Override
public PropertyName getWrapperName() {
return _wrapperName;
}
@Override
public abstract AnnotatedMember getMember();
@Override
public abstract A getAnnotation(Class acls);
@Override
public A getContextAnnotation(Class acls) {
return _contextAnnotations.get(acls);
}
@Override
public void depositSchemaProperty(JsonObjectFormatVisitor objectVisitor,
SerializerProvider provider)
throws JsonMappingException
{
if (isRequired()) {
objectVisitor.property(this);
} else {
objectVisitor.optionalProperty(this);
}
}
/*
/**********************************************************
/* Accessors
/**********************************************************
*/
protected final Class getDeclaringClass() {
return getMember().getDeclaringClass();
}
public String getManagedReferenceName() { return _managedReferenceName; }
public ObjectIdInfo getObjectIdInfo() { return _objectIdInfo; }
public boolean hasValueDeserializer() {
return (_valueDeserializer != null) && (_valueDeserializer != MISSING_VALUE_DESERIALIZER);
}
public boolean hasValueTypeDeserializer() { return (_valueTypeDeserializer != null); }
public JsonDeserializer getValueDeserializer() {
JsonDeserializer deser = _valueDeserializer;
if (deser == MISSING_VALUE_DESERIALIZER) {
return null;
}
return deser;
}
public TypeDeserializer getValueTypeDeserializer() { return _valueTypeDeserializer; }
public boolean visibleInView(Class activeView) {
return (_viewMatcher == null) || _viewMatcher.isVisibleForView(activeView);
}
public boolean hasViews() { return _viewMatcher != null; }
/**
* Method for accessing unique index of this property; indexes are
* assigned once all properties of a {@link BeanDeserializer} have
* been collected.
*
* @return Index of this property
*/
public int getPropertyIndex() { return _propertyIndex; }
/**
* Method for accessing index of the creator property: for other
* types of properties will simply return -1.
*
* @since 2.1
*/
public int getCreatorIndex() { return -1; }
/**
* Accessor for id of injectable value, if this bean property supports
* value injection.
*/
public Object getInjectableValueId() { return null; }
/*
/**********************************************************
/* Public API
/**********************************************************
*/
/**
* Method called to deserialize appropriate value, given parser (and
* context), and set it using appropriate mechanism.
* Pre-condition is that passed parser must point to the first token
* that should be consumed to produce the value (the only value for
* scalars, multiple for Objects and Arrays).
*/
public abstract void deserializeAndSet(JsonParser p,
DeserializationContext ctxt, Object instance) throws IOException;
/**
* Alternative to {@link #deserializeAndSet} that returns
* either return value of setter method called (if one is),
* or null to indicate that no return value is available.
* Mostly used to support Builder style deserialization.
*
* @since 2.0
*/
public abstract Object deserializeSetAndReturn(JsonParser p,
DeserializationContext ctxt, Object instance) throws IOException;
/**
* Method called to assign given value to this property, on
* specified Object.
*
* Note: this is an optional operation, not supported by all
* implementations, creator-backed properties for example do not
* support this method.
*/
public abstract void set(Object instance, Object value) throws IOException;
/**
* Method called to assign given value to this property, on
* specified Object, and return whatever delegating accessor
* returned (if anything)
*
* Note: this is an optional operation, not supported by all
* implementations, creator-backed properties for example do not
* support this method.
*/
public abstract Object setAndReturn(Object instance, Object value) throws IOException;
/**
* This method is needed by some specialized bean deserializers,
* and also called by some {@link #deserializeAndSet} implementations.
*
* Pre-condition is that passed parser must point to the first token
* that should be consumed to produce the value (the only value for
* scalars, multiple for Objects and Arrays).
*
* Note that this method is final for performance reasons: to override
* functionality you must override other methods that call this method;
* this method should also not be called directly unless you really know
* what you are doing (and probably not even then).
*/
public final Object deserialize(JsonParser p, DeserializationContext ctxt) throws IOException
{
JsonToken t = p.getCurrentToken();
if (t == JsonToken.VALUE_NULL) {
return _valueDeserializer.getNullValue(ctxt);
}
if (_valueTypeDeserializer != null) {
return _valueDeserializer.deserializeWithType(p, ctxt, _valueTypeDeserializer);
}
return _valueDeserializer.deserialize(p, ctxt);
}
/*
/**********************************************************
/* Helper methods
/**********************************************************
*/
/**
* Method that takes in exception of any type, and casts or wraps it
* to an IOException or its subclass.
*/
protected void _throwAsIOE(JsonParser p, Exception e, Object value) throws IOException
{
if (e instanceof IllegalArgumentException) {
String actType = (value == null) ? "[NULL]" : value.getClass().getName();
StringBuilder msg = new StringBuilder("Problem deserializing property '").append(getName());
msg.append("' (expected type: ").append(getType());
msg.append("; actual type: ").append(actType).append(")");
String origMsg = e.getMessage();
if (origMsg != null) {
msg.append(", problem: ").append(origMsg);
} else {
msg.append(" (no error message provided)");
}
throw JsonMappingException.from(p, msg.toString(), e);
}
_throwAsIOE(p, e);
}
/**
* @since 2.7
*/
protected IOException _throwAsIOE(JsonParser p, Exception e) throws IOException
{
if (e instanceof IOException) {
throw (IOException) e;
}
if (e instanceof RuntimeException) {
throw (RuntimeException) e;
}
// let's wrap the innermost problem
Throwable th = e;
while (th.getCause() != null) {
th = th.getCause();
}
throw JsonMappingException.from(p, th.getMessage(), th);
}
@Deprecated // since 2.7
protected IOException _throwAsIOE(Exception e) throws IOException {
return _throwAsIOE((JsonParser) null, e);
}
// 10-Oct-2015, tatu: _Should_ be deprecated, too, but its remaining
// callers can not actually provide a JsonParser
protected void _throwAsIOE(Exception e, Object value) throws IOException {
_throwAsIOE((JsonParser) null, e, value);
}
@Override public String toString() { return "[property '"+getName()+"']"; }
}
