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General data-binding functionality for Jackson: works on core streaming API
package com.fasterxml.jackson.databind.introspect;
import java.util.*;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.util.EmptyIterator;
/**
* Helper class used for aggregating information about a single
* potential POJO property.
*/
public class POJOPropertyBuilder
extends BeanPropertyDefinition
implements Comparable
{
/**
* Whether property is being composed for serialization
* (true) or deserialization (false)
*/
protected final boolean _forSerialization;
protected final AnnotationIntrospector _annotationIntrospector;
/**
* External name of logical property; may change with
* renaming (by new instance being constructed using
* a new name)
*/
protected final PropertyName _name;
/**
* Original internal name, derived from accessor, of this
* property. Will not be changed by renaming.
*/
protected final PropertyName _internalName;
protected Linked _fields;
protected Linked _ctorParameters;
protected Linked _getters;
protected Linked _setters;
public POJOPropertyBuilder(PropertyName internalName, AnnotationIntrospector ai,
boolean forSerialization) {
this(internalName, internalName, ai, forSerialization);
}
protected POJOPropertyBuilder(PropertyName internalName, PropertyName name,
AnnotationIntrospector annotationIntrospector, boolean forSerialization)
{
_internalName = internalName;
_name = name;
_annotationIntrospector = annotationIntrospector;
_forSerialization = forSerialization;
}
public POJOPropertyBuilder(POJOPropertyBuilder src, PropertyName newName)
{
_internalName = src._internalName;
_name = newName;
_annotationIntrospector = src._annotationIntrospector;
_fields = src._fields;
_ctorParameters = src._ctorParameters;
_getters = src._getters;
_setters = src._setters;
_forSerialization = src._forSerialization;
}
/*
/**********************************************************
/* Fluent factory methods
/**********************************************************
*/
@Override
public POJOPropertyBuilder withName(PropertyName newName) {
return new POJOPropertyBuilder(this, newName);
}
@Override
public POJOPropertyBuilder withSimpleName(String newSimpleName)
{
PropertyName newName = _name.withSimpleName(newSimpleName);
return (newName == _name) ? this : new POJOPropertyBuilder(this, newName);
}
/*
/**********************************************************
/* Comparable implementation: sort alphabetically, except
/* that properties with constructor parameters sorted
/* before other properties
/**********************************************************
*/
@Override
public int compareTo(POJOPropertyBuilder other)
{
// first, if one has ctor params, that should come first:
if (_ctorParameters != null) {
if (other._ctorParameters == null) {
return -1;
}
} else if (other._ctorParameters != null) {
return 1;
}
/* otherwise sort by external name (including sorting of
* ctor parameters)
*/
return getName().compareTo(other.getName());
}
/*
/**********************************************************
/* BeanPropertyDefinition implementation, name/type
/**********************************************************
*/
@Override
public String getName() {
return (_name == null) ? null : _name.getSimpleName();
}
@Override
public PropertyName getFullName() {
return _name;
}
@Override
public String getInternalName() { return _internalName.getSimpleName(); }
@Override
public PropertyName getWrapperName() {
/* 13-Mar-2013, tatu: Accessing via primary member SHOULD work,
* due to annotation merging. However, I have seen some problems
* with this access (for other annotations)... so if this should
* occur, try commenting out full traversal code
*/
AnnotatedMember member = getPrimaryMember();
return (member == null || _annotationIntrospector == null) ? null
: _annotationIntrospector.findWrapperName(member);
/*
return fromMemberAnnotations(new WithMember() {
@Override
public PropertyName withMember(AnnotatedMember member) {
return _annotationIntrospector.findWrapperName(member);
}
});
*/
}
@Override
public boolean isExplicitlyIncluded() {
return _anyExplicits(_fields)
|| _anyExplicits(_getters)
|| _anyExplicits(_setters)
|| _anyExplicits(_ctorParameters)
;
}
@Override
public boolean isExplicitlyNamed() {
return _anyExplicitNames(_fields)
|| _anyExplicitNames(_getters)
|| _anyExplicitNames(_setters)
|| _anyExplicitNames(_ctorParameters)
;
}
/*
/**********************************************************
/* BeanPropertyDefinition implementation, accessor access
/**********************************************************
*/
@Override
public boolean hasGetter() { return _getters != null; }
@Override
public boolean hasSetter() { return _setters != null; }
@Override
public boolean hasField() { return _fields != null; }
@Override
public boolean hasConstructorParameter() { return _ctorParameters != null; }
@Override
public boolean couldDeserialize() {
return (_ctorParameters != null) || (_setters != null) || (_fields != null);
}
@Override
public boolean couldSerialize() {
return (_getters != null) || (_fields != null);
}
@Override
public AnnotatedMethod getGetter()
{
// Easy with zero or one getters...
Linked curr = _getters;
if (curr == null) {
return null;
}
Linked next = curr.next;
if (next == null) {
return curr.value;
}
// But if multiple, verify that they do not conflict...
for (; next != null; next = next.next) {
/* [JACKSON-255] Allow masking, i.e. do not report exception if one
* is in super-class from the other
*/
Class currClass = curr.value.getDeclaringClass();
Class nextClass = next.value.getDeclaringClass();
if (currClass != nextClass) {
if (currClass.isAssignableFrom(nextClass)) { // next is more specific
curr = next;
continue;
}
if (nextClass.isAssignableFrom(currClass)) { // current more specific
continue;
}
}
/* 30-May-2014, tatu: Three levels of precedence:
*
* 1. Regular getters ("getX")
* 2. Is-getters ("isX")
* 3. Implicit, possible getters ("x")
*/
int priNext = _getterPriority(next.value);
int priCurr = _getterPriority(curr.value);
if (priNext != priCurr) {
if (priNext < priCurr) {
curr = next;
}
continue;
}
throw new IllegalArgumentException("Conflicting getter definitions for property \""+getName()+"\": "
+curr.value.getFullName()+" vs "+next.value.getFullName());
}
// One more thing; to avoid having to do it again...
_getters = curr.withoutNext();
return curr.value;
}
@Override
public AnnotatedMethod getSetter()
{
// Easy with zero or one getters...
Linked curr = _setters;
if (curr == null) {
return null;
}
Linked next = curr.next;
if (next == null) {
return curr.value;
}
// But if multiple, verify that they do not conflict...
for (; next != null; next = next.next) {
/* [JACKSON-255] Allow masking, i.e. do not report exception if one
* is in super-class from the other
*/
Class currClass = curr.value.getDeclaringClass();
Class nextClass = next.value.getDeclaringClass();
if (currClass != nextClass) {
if (currClass.isAssignableFrom(nextClass)) { // next is more specific
curr = next;
continue;
}
if (nextClass.isAssignableFrom(currClass)) { // current more specific
continue;
}
}
/* 30-May-2014, tatu: Two levels of precedence:
*
* 1. Regular setters ("setX(...)")
* 2. Implicit, possible setters ("x(...)")
*/
int priNext = _setterPriority(next.value);
int priCurr = _setterPriority(curr.value);
if (priNext != priCurr) {
if (priNext < priCurr) {
curr = next;
}
continue;
}
throw new IllegalArgumentException("Conflicting setter definitions for property \""+getName()+"\": "
+curr.value.getFullName()+" vs "+next.value.getFullName());
}
// One more thing; to avoid having to do it again...
_setters = curr.withoutNext();
return curr.value;
}
@Override
public AnnotatedField getField()
{
if (_fields == null) {
return null;
}
// If multiple, verify that they do not conflict...
AnnotatedField field = _fields.value;
Linked next = _fields.next;
for (; next != null; next = next.next) {
AnnotatedField nextField = next.value;
Class fieldClass = field.getDeclaringClass();
Class nextClass = nextField.getDeclaringClass();
if (fieldClass != nextClass) {
if (fieldClass.isAssignableFrom(nextClass)) { // next is more specific
field = nextField;
continue;
}
if (nextClass.isAssignableFrom(fieldClass)) { // getter more specific
continue;
}
}
throw new IllegalArgumentException("Multiple fields representing property \""+getName()+"\": "
+field.getFullName()+" vs "+nextField.getFullName());
}
return field;
}
@Override
public AnnotatedParameter getConstructorParameter()
{
if (_ctorParameters == null) {
return null;
}
/* Hmmh. Checking for constructor parameters is trickier; for one,
* we must allow creator and factory method annotations.
* If this is the case, constructor parameter has the precedence.
*
* So, for now, just try finding the first constructor parameter;
* if none, first factory method. And don't check for dups, if we must,
* can start checking for them later on.
*/
Linked curr = _ctorParameters;
do {
if (curr.value.getOwner() instanceof AnnotatedConstructor) {
return curr.value;
}
curr = curr.next;
} while (curr != null);
return _ctorParameters.value;
}
@Override
public Iterator getConstructorParameters() {
if (_ctorParameters == null) {
return EmptyIterator.instance();
}
return new MemberIterator(_ctorParameters);
}
@Override
public AnnotatedMember getAccessor()
{
AnnotatedMember m = getGetter();
if (m == null) {
m = getField();
}
return m;
}
@Override
public AnnotatedMember getMutator()
{
AnnotatedMember m = getConstructorParameter();
if (m == null) {
m = getSetter();
if (m == null) {
m = getField();
}
}
return m;
}
@Override
public AnnotatedMember getNonConstructorMutator() {
AnnotatedMember m = getSetter();
if (m == null) {
m = getField();
}
return m;
}
@Override
public AnnotatedMember getPrimaryMember() {
if (_forSerialization) {
return getAccessor();
}
return getMutator();
}
protected int _getterPriority(AnnotatedMethod m)
{
final String name = m.getName();
// [#238]: Also, regular getters have precedence over "is-getters"
if (name.startsWith("get") && name.length() > 3) {
// should we check capitalization?
return 1;
}
if (name.startsWith("is") && name.length() > 2) {
return 2;
}
return 3;
}
protected int _setterPriority(AnnotatedMethod m)
{
final String name = m.getName();
if (name.startsWith("set") && name.length() > 3) {
// should we check capitalization?
return 1;
}
return 2;
}
/*
/**********************************************************
/* Implementations of refinement accessors
/**********************************************************
*/
@Override
public Class[] findViews() {
return fromMemberAnnotations(new WithMember[]>() {
@Override
public Class[] withMember(AnnotatedMember member) {
return _annotationIntrospector.findViews(member);
}
});
}
@Override
public AnnotationIntrospector.ReferenceProperty findReferenceType() {
return fromMemberAnnotations(new WithMember() {
@Override
public AnnotationIntrospector.ReferenceProperty withMember(AnnotatedMember member) {
return _annotationIntrospector.findReferenceType(member);
}
});
}
@Override
public boolean isTypeId() {
Boolean b = fromMemberAnnotations(new WithMember() {
@Override
public Boolean withMember(AnnotatedMember member) {
return _annotationIntrospector.isTypeId(member);
}
});
return (b != null) && b.booleanValue();
}
@Override
public PropertyMetadata getMetadata() {
final Boolean b = _findRequired();
final String desc = _findDescription();
final Integer idx = _findIndex();
final String def = _findDefaultValue();
if (b == null && idx == null && def == null) {
return (desc == null) ? PropertyMetadata.STD_REQUIRED_OR_OPTIONAL
: PropertyMetadata.STD_REQUIRED_OR_OPTIONAL.withDescription(desc);
}
return PropertyMetadata.construct(b.booleanValue(), desc, idx, def);
}
protected Boolean _findRequired() {
Boolean b = fromMemberAnnotations(new WithMember() {
@Override
public Boolean withMember(AnnotatedMember member) {
return _annotationIntrospector.hasRequiredMarker(member);
}
});
return b;
}
protected String _findDescription() {
return fromMemberAnnotations(new WithMember() {
@Override
public String withMember(AnnotatedMember member) {
return _annotationIntrospector.findPropertyDescription(member);
}
});
}
protected Integer _findIndex() {
return fromMemberAnnotations(new WithMember() {
@Override
public Integer withMember(AnnotatedMember member) {
return _annotationIntrospector.findPropertyIndex(member);
}
});
}
protected String _findDefaultValue() {
return fromMemberAnnotations(new WithMember() {
@Override
public String withMember(AnnotatedMember member) {
return _annotationIntrospector.findPropertyDefaultValue(member);
}
});
}
@Override
public ObjectIdInfo findObjectIdInfo() {
return fromMemberAnnotations(new WithMember() {
@Override
public ObjectIdInfo withMember(AnnotatedMember member) {
ObjectIdInfo info = _annotationIntrospector.findObjectIdInfo(member);
if (info != null) {
info = _annotationIntrospector.findObjectReferenceInfo(member, info);
}
return info;
}
});
}
@Override
public JsonInclude.Include findInclusion() {
if (_annotationIntrospector == null) {
return null;
}
AnnotatedMember am = getAccessor();
return _annotationIntrospector.findSerializationInclusion(am, null);
}
/*
/**********************************************************
/* Data aggregation
/**********************************************************
*/
public void addField(AnnotatedField a, PropertyName name, boolean explName, boolean visible, boolean ignored) {
_fields = new Linked(a, _fields, name, explName, visible, ignored);
}
public void addCtor(AnnotatedParameter a, PropertyName name, boolean explName, boolean visible, boolean ignored) {
_ctorParameters = new Linked(a, _ctorParameters, name, explName, visible, ignored);
}
public void addGetter(AnnotatedMethod a, PropertyName name, boolean explName, boolean visible, boolean ignored) {
_getters = new Linked(a, _getters, name, explName, visible, ignored);
}
public void addSetter(AnnotatedMethod a, PropertyName name, boolean explName, boolean visible, boolean ignored) {
_setters = new Linked(a, _setters, name, explName, visible, ignored);
}
/**
* Method for adding all property members from specified collector into
* this collector.
*/
public void addAll(POJOPropertyBuilder src)
{
_fields = merge(_fields, src._fields);
_ctorParameters = merge(_ctorParameters, src._ctorParameters);
_getters= merge(_getters, src._getters);
_setters = merge(_setters, src._setters);
}
private static Linked merge(Linked chain1, Linked chain2)
{
if (chain1 == null) {
return chain2;
}
if (chain2 == null) {
return chain1;
}
return chain1.append(chain2);
}
// // Deprecated variants that do not take 'explName': to be removed in a later version
// // (but are used at least by 2.3 and earlier versions of Scala module at least so
// // need to be careful with phasing out if before 3.0)
/**
* @deprecated Since 2.4 call method that takes additional 'explName' argument, to indicate
* whether name of property was provided by annotation (and not derived from accessor name);
* this method assumes the name is explicit if it is non-null.
*/
@Deprecated
public void addField(AnnotatedField a, String name, boolean visible, boolean ignored) {
addField(a, _propName(name), name != null, visible, ignored);
}
@Deprecated
public void addField(AnnotatedField a, String name, boolean explName, boolean visible, boolean ignored) {
addField(a, _propName(name), explName, visible, ignored);
}
/**
* @deprecated Since 2.4 call method that takes additional 'explName' argument, to indicate
* whether name of property was provided by annotation (and not derived from accessor name);
* this method assumes the name is explicit if it is non-null.
*/
@Deprecated
public void addCtor(AnnotatedParameter a, String name, boolean visible, boolean ignored) {
addCtor(a, _propName(name), name != null, visible, ignored);
}
@Deprecated
public void addCtor(AnnotatedParameter a, String name, boolean explName, boolean visible, boolean ignored) {
addCtor(a, _propName(name), explName, visible, ignored);
}
/**
* @deprecated Since 2.4 call method that takes additional 'explName' argument, to indicate
* whether name of property was provided by annotation (and not derived from accessor name);
* this method assumes the name is explicit if it is non-null.
*/
@Deprecated
public void addGetter(AnnotatedMethod a, String name, boolean visible, boolean ignored) {
addGetter(a, _propName(name), name != null, visible, ignored);
}
@Deprecated
public void addGetter(AnnotatedMethod a, String name, boolean explName, boolean visible, boolean ignored) {
addGetter(a, _propName(name), explName, visible, ignored);
}
/**
* @deprecated Since 2.4 call method that takes additional 'explName' argument, to indicate
* whether name of property was provided by annotation (and not derived from accessor name);
* this method assumes the name is explicit if it is non-null.
*/
@Deprecated
public void addSetter(AnnotatedMethod a, String name, boolean visible, boolean ignored) {
addSetter(a, _propName(name), name != null, visible, ignored);
}
@Deprecated
public void addSetter(AnnotatedMethod a, String name, boolean explName, boolean visible, boolean ignored) {
addSetter(a, _propName(name), explName, visible, ignored);
}
private PropertyName _propName(String simple) {
return PropertyName.construct(simple, null);
}
/*
/**********************************************************
/* Modifications
/**********************************************************
*/
/**
* Method called to remove all entries that are marked as
* ignored.
*/
public void removeIgnored()
{
_fields = _removeIgnored(_fields);
_getters = _removeIgnored(_getters);
_setters = _removeIgnored(_setters);
_ctorParameters = _removeIgnored(_ctorParameters);
}
public void removeNonVisible(boolean force)
{
/* 21-Aug-2011, tatu: This is tricky part -- if and when allow
* non-visible property elements to be "pulled in" by visible
* counterparts?
* For now, we will only do this to pull in setter or field used
* as setter, if an explicit getter is found.
*/
/*
* 28-Mar-2013, tatu: Also, as per [Issue#195], may force removal
* if inferred properties are NOT supported.
*/
_getters = _removeNonVisible(_getters);
_ctorParameters = _removeNonVisible(_ctorParameters);
if (force || (_getters == null)) {
_fields = _removeNonVisible(_fields);
_setters = _removeNonVisible(_setters);
}
}
/**
* Mutator that will simply drop any constructor parameters property may have.
*
* @since 2.5
*/
public void removeConstructors() {
_ctorParameters = null;
}
/**
* Method called to trim unnecessary entries, such as implicit
* getter if there is an explict one available. This is important
* for later stages, to avoid unnecessary conflicts.
*/
public void trimByVisibility()
{
_fields = _trimByVisibility(_fields);
_getters = _trimByVisibility(_getters);
_setters = _trimByVisibility(_setters);
_ctorParameters = _trimByVisibility(_ctorParameters);
}
@SuppressWarnings("unchecked")
public void mergeAnnotations(boolean forSerialization)
{
if (forSerialization) {
if (_getters != null) {
AnnotationMap ann = _mergeAnnotations(0, _getters, _fields, _ctorParameters, _setters);
_getters = _getters.withValue(_getters.value.withAnnotations(ann));
} else if (_fields != null) {
AnnotationMap ann = _mergeAnnotations(0, _fields, _ctorParameters, _setters);
_fields = _fields.withValue(_fields.value.withAnnotations(ann));
}
} else { // for deserialization
if (_ctorParameters != null) {
AnnotationMap ann = _mergeAnnotations(0, _ctorParameters, _setters, _fields, _getters);
_ctorParameters = _ctorParameters.withValue(_ctorParameters.value.withAnnotations(ann));
} else if (_setters != null) {
AnnotationMap ann = _mergeAnnotations(0, _setters, _fields, _getters);
_setters = _setters.withValue(_setters.value.withAnnotations(ann));
} else if (_fields != null) {
AnnotationMap ann = _mergeAnnotations(0, _fields, _getters);
_fields = _fields.withValue(_fields.value.withAnnotations(ann));
}
}
}
private AnnotationMap _mergeAnnotations(int index, Linked... nodes)
{
AnnotationMap ann = nodes[index].value.getAllAnnotations();
++index;
for (; index < nodes.length; ++index) {
if (nodes[index] != null) {
return AnnotationMap.merge(ann, _mergeAnnotations(index, nodes));
}
}
return ann;
}
private Linked _removeIgnored(Linked node)
{
if (node == null) {
return node;
}
return node.withoutIgnored();
}
private Linked _removeNonVisible(Linked node)
{
if (node == null) {
return node;
}
return node.withoutNonVisible();
}
private Linked _trimByVisibility(Linked node)
{
if (node == null) {
return node;
}
return node.trimByVisibility();
}
/*
/**********************************************************
/* Accessors for aggregate information
/**********************************************************
*/
private boolean _anyExplicits(Linked n)
{
for (; n != null; n = n.next) {
if (n.name != null && n.name.hasSimpleName()) {
return true;
}
}
return false;
}
private boolean _anyExplicitNames(Linked n)
{
for (; n != null; n = n.next) {
if (n.name != null && n.isNameExplicit) {
return true;
}
}
return false;
}
public boolean anyVisible() {
return _anyVisible(_fields)
|| _anyVisible(_getters)
|| _anyVisible(_setters)
|| _anyVisible(_ctorParameters)
;
}
private boolean _anyVisible(Linked n)
{
for (; n != null; n = n.next) {
if (n.isVisible) {
return true;
}
}
return false;
}
public boolean anyIgnorals() {
return _anyIgnorals(_fields)
|| _anyIgnorals(_getters)
|| _anyIgnorals(_setters)
|| _anyIgnorals(_ctorParameters)
;
}
private boolean _anyIgnorals(Linked n)
{
for (; n != null; n = n.next) {
if (n.isMarkedIgnored) {
return true;
}
}
return false;
}
/**
* @since 2.4 Use {@link #findExplicitNames} instead
*/
@Deprecated
public String findNewName()
{
Collection l = findExplicitNames();
if (l == null) {
return null;
}
// 13-Apr-2014, tatu: Start with code similar to existing conflict checks
if (l.size() > 1) {
throw new IllegalStateException("Conflicting/ambiguous property name definitions (implicit name '"
+_name+"'): found more than one explicit name: "
+l);
}
PropertyName first = l.iterator().next();
if (first.equals(_name)) {
return null;
}
return first.getSimpleName();
}
/**
* Method called to find out set of explicit names for accessors
* bound together due to implicit name.
*
* @since 2.4
*/
public Set findExplicitNames()
{
Set renamed = null;
renamed = _findExplicitNames(_fields, renamed);
renamed = _findExplicitNames(_getters, renamed);
renamed = _findExplicitNames(_setters, renamed);
renamed = _findExplicitNames(_ctorParameters, renamed);
if (renamed == null) {
return Collections.emptySet();
}
return renamed;
}
/**
* Method called when a previous call to {@link #findExplicitNames} found
* multiple distinct explicit names, and the property this builder represents
* basically needs to be broken apart and replaced by a set of more than
* one properties.
*
* @since 2.4
*/
public Collection explode(Collection newNames)
{
HashMap props = new HashMap();
_explode(newNames, props, _fields);
_explode(newNames, props, _getters);
_explode(newNames, props, _setters);
_explode(newNames, props, _ctorParameters);
return props.values();
}
@SuppressWarnings("unchecked")
private void _explode(Collection newNames,
Map props,
Linked accessors)
{
final Linked firstAcc = accessors; // clumsy, part 1
for (Linked node = accessors; node != null; node = node.next) {
PropertyName name = node.name;
if (!node.isNameExplicit || name == null) { // no explicit name -- problem!
// [Issue#541] ... but only as long as it's visible
if (!node.isVisible) {
continue;
}
throw new IllegalStateException("Conflicting/ambiguous property name definitions (implicit name '"
+_name+"'): found multiple explicit names: "
+newNames+", but also implicit accessor: "+node);
}
POJOPropertyBuilder prop = props.get(name);
if (prop == null) {
prop = new POJOPropertyBuilder(_internalName, name, _annotationIntrospector, _forSerialization);
props.put(name, prop);
}
// ultra-clumsy, part 2 -- lambdas would be nice here
if (firstAcc == _fields) {
Linked n2 = (Linked) node;
prop._fields = n2.withNext(prop._fields);
} else if (firstAcc == _getters) {
Linked n2 = (Linked) node;
prop._getters = n2.withNext(prop._getters);
} else if (firstAcc == _setters) {
Linked n2 = (Linked) node;
prop._setters = n2.withNext(prop._setters);
} else if (firstAcc == _ctorParameters) {
Linked n2 = (Linked) node;
prop._ctorParameters = n2.withNext(prop._ctorParameters);
} else {
throw new IllegalStateException("Internal error: mismatched accessors, property: "+this);
}
}
}
private Set _findExplicitNames(Linked node,
Set renamed)
{
for (; node != null; node = node.next) {
/* 30-Mar-2014, tatu: Second check should not be needed, but seems like
* removing it can cause nasty exceptions with certain version
* combinations (2.4 databind, an older module).
* So leaving it in for now until this is resolved
* (or version beyond 2.4)
*/
if (!node.isNameExplicit || node.name == null) {
continue;
}
if (renamed == null) {
renamed = new HashSet();
}
renamed.add(node.name);
}
return renamed;
}
// For trouble-shooting
@Override
public String toString()
{
StringBuilder sb = new StringBuilder();
sb.append("[Property '").append(_name)
.append("'; ctors: ").append(_ctorParameters)
.append(", field(s): ").append(_fields)
.append(", getter(s): ").append(_getters)
.append(", setter(s): ").append(_setters)
;
sb.append("]");
return sb.toString();
}
/*
/**********************************************************
/* Helper methods
/**********************************************************
*/
/**
* Helper method used for finding annotation values, from accessors
* relevant to current usage (deserialization, serialization)
*/
protected T fromMemberAnnotations(WithMember func)
{
T result = null;
if (_annotationIntrospector != null) {
if (_forSerialization) {
if (_getters != null) {
result = func.withMember(_getters.value);
}
} else {
if (_ctorParameters != null) {
result = func.withMember(_ctorParameters.value);
}
if (result == null && _setters != null) {
result = func.withMember(_setters.value);
}
}
if (result == null && _fields != null) {
result = func.withMember(_fields.value);
}
}
return result;
}
/*
/**********************************************************
/* Helper classes
/**********************************************************
*/
private interface WithMember {
public T withMember(AnnotatedMember member);
}
/**
* @since 2.5
*/
protected static class MemberIterator
implements Iterator
{
private Linked next;
public MemberIterator(Linked first) {
next = first;
}
@Override
public boolean hasNext() {
return (next != null);
}
@Override
public T next() {
if (next == null) throw new NoSuchElementException();
T result = next.value;
next = next.next;
return result;
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
}
/**
* Node used for creating simple linked lists to efficiently store small sets
* of things.
*/
private final static class Linked
{
public final T value;
public final Linked next;
public final PropertyName name;
public final boolean isNameExplicit;
public final boolean isVisible;
public final boolean isMarkedIgnored;
public Linked(T v, Linked n,
PropertyName name, boolean explName, boolean visible, boolean ignored)
{
value = v;
next = n;
// ensure that we'll never have missing names
this.name = (name == null || name.isEmpty()) ? null : name;
if (explName) {
if (this.name == null) { // sanity check to catch internal problems
throw new IllegalArgumentException("Can not pass true for 'explName' if name is null/empty");
}
// 03-Apr-2014, tatu: But how about name-space only override?
// Probably should not be explicit? Or, need to merge somehow?
if (!name.hasSimpleName()) {
explName = false;
}
}
isNameExplicit = explName;
isVisible = visible;
isMarkedIgnored = ignored;
}
public Linked withoutNext() {
if (next == null) {
return this;
}
return new Linked(value, null, name, isNameExplicit, isVisible, isMarkedIgnored);
}
public Linked withValue(T newValue) {
if (newValue == value) {
return this;
}
return new Linked(newValue, next, name, isNameExplicit, isVisible, isMarkedIgnored);
}
public Linked withNext(Linked newNext) {
if (newNext == next) {
return this;
}
return new Linked(value, newNext, name, isNameExplicit, isVisible, isMarkedIgnored);
}
public Linked withoutIgnored() {
if (isMarkedIgnored) {
return (next == null) ? null : next.withoutIgnored();
}
if (next != null) {
Linked newNext = next.withoutIgnored();
if (newNext != next) {
return withNext(newNext);
}
}
return this;
}
public Linked withoutNonVisible() {
Linked newNext = (next == null) ? null : next.withoutNonVisible();
return isVisible ? withNext(newNext) : newNext;
}
/**
* Method called to append given node(s) at the end of this
* node chain.
*/
protected Linked append(Linked appendable) {
if (next == null) {
return withNext(appendable);
}
return withNext(next.append(appendable));
}
public Linked trimByVisibility() {
if (next == null) {
return this;
}
Linked newNext = next.trimByVisibility();
if (name != null) { // this already has highest; how about next one?
if (newNext.name == null) { // next one not, drop it
return withNext(null);
}
// both have it, keep
return withNext(newNext);
}
if (newNext.name != null) { // next one has higher, return it...
return newNext;
}
// neither has explicit name; how about visibility?
if (isVisible == newNext.isVisible) { // same; keep both in current order
return withNext(newNext);
}
return isVisible ? withNext(null) : newNext;
}
@Override
public String toString() {
String msg = value.toString()+"[visible="+isVisible+",ignore="+isMarkedIgnored
+",explicitName="+isNameExplicit+"]";
if (next != null) {
msg = msg + ", "+next.toString();
}
return msg;
}
}
}