package org.codehaus.jackson.map.deser.impl;
import java.lang.reflect.Member;
import java.util.*;
import org.codehaus.jackson.map.DeserializationConfig;
import org.codehaus.jackson.map.deser.ValueInstantiator;
import org.codehaus.jackson.map.deser.std.StdValueInstantiator;
import org.codehaus.jackson.map.introspect.*;
import org.codehaus.jackson.map.type.TypeBindings;
import org.codehaus.jackson.map.util.ClassUtil;
import org.codehaus.jackson.type.JavaType;
/**
* Container class for storing information on creators (based on annotations,
* visibility), to be able to build actual instantiator later on.
*/
public class CreatorCollector
{
/// Type of bean being created
final BasicBeanDescription _beanDesc;
final boolean _canFixAccess;
protected AnnotatedConstructor _defaultConstructor;
protected AnnotatedWithParams _stringCreator, _intCreator, _longCreator;
protected AnnotatedWithParams _doubleCreator, _booleanCreator;
protected AnnotatedWithParams _delegateCreator;
protected AnnotatedWithParams _propertyBasedCreator;
protected CreatorProperty[] _propertyBasedArgs = null;
/*
/**********************************************************
/* Life-cycle
/**********************************************************
*/
public CreatorCollector(BasicBeanDescription beanDesc, boolean canFixAccess)
{
_beanDesc = beanDesc;
_canFixAccess = canFixAccess;
}
/**
* @since 1.9.0
*/
public ValueInstantiator constructValueInstantiator(DeserializationConfig config)
{
StdValueInstantiator inst = new StdValueInstantiator(config, _beanDesc.getType());
JavaType delegateType;
if (_delegateCreator == null) {
delegateType = null;
} else {
TypeBindings bindings = _beanDesc.bindingsForBeanType();
delegateType = bindings.resolveType(_delegateCreator.getParameterType(0));
}
inst.configureFromObjectSettings(_defaultConstructor,
_delegateCreator, delegateType,
_propertyBasedCreator, _propertyBasedArgs);
inst.configureFromStringCreator(_stringCreator);
inst.configureFromIntCreator(_intCreator);
inst.configureFromLongCreator(_longCreator);
inst.configureFromDoubleCreator(_doubleCreator);
inst.configureFromBooleanCreator(_booleanCreator);
return inst;
}
/*
/**********************************************************
/* Setters
/**********************************************************
*/
public void setDefaultConstructor(AnnotatedConstructor ctor) {
_defaultConstructor = ctor;
}
public void addStringCreator(AnnotatedWithParams creator) {
_stringCreator = verifyNonDup(creator, _stringCreator, "String");
}
public void addIntCreator(AnnotatedWithParams creator) {
_intCreator = verifyNonDup(creator, _intCreator, "int");
}
public void addLongCreator(AnnotatedWithParams creator) {
_longCreator = verifyNonDup(creator, _longCreator, "long");
}
public void addDoubleCreator(AnnotatedWithParams creator) {
_doubleCreator = verifyNonDup(creator, _doubleCreator, "double");
}
public void addBooleanCreator(AnnotatedWithParams creator) {
_booleanCreator = verifyNonDup(creator, _booleanCreator, "boolean");
}
public void addDelegatingCreator(AnnotatedWithParams creator) {
_delegateCreator = verifyNonDup(creator, _delegateCreator, "delegate");
}
public void addPropertyCreator(AnnotatedWithParams creator, CreatorProperty[] properties)
{
_propertyBasedCreator = verifyNonDup(creator, _propertyBasedCreator, "property-based");
// [JACKSON-470] Better ensure we have no duplicate names either...
if (properties.length > 1) {
HashMap<String,Integer> names = new HashMap<String,Integer>();
for (int i = 0, len = properties.length; i < len; ++i) {
String name = properties[i].getName();
/* [Issue-13]: Need to consider Injectables, which may not have
* a name at all, and need to be skipped
*/
if (name.length() == 0 && properties[i].getInjectableValueId() != null) {
continue;
}
Integer old = names.put(name, Integer.valueOf(i));
if (old != null) {
throw new IllegalArgumentException("Duplicate creator property \""+name+"\" (index "+old+" vs "+i+")");
}
}
}
_propertyBasedArgs = properties;
}
/*
/**********************************************************
/* Helper methods
/**********************************************************
*/
protected AnnotatedWithParams verifyNonDup(AnnotatedWithParams newOne, AnnotatedWithParams oldOne,
String type)
{
if (oldOne != null) {
// important: ok to override factory with constructor; but not within same type, so:
if (oldOne.getClass() == newOne.getClass()) {
throw new IllegalArgumentException("Conflicting "+type+" creators: already had "+oldOne+", encountered "+newOne);
}
}
if (_canFixAccess) {
ClassUtil.checkAndFixAccess((Member) newOne.getAnnotated());
}
return newOne;
}
}