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package org.mapstruct.ap.internal.prism;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.Element;
import javax.lang.model.element.VariableElement;
import javax.lang.model.element.AnnotationValue;
import javax.lang.model.type.TypeMirror;
import net.java.dev.hickory.prism.internal.*;
import java.util.HashMap;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.util.ElementFilter;
/** A Prism representing an {@code @org.mapstruct.Mapper} annotation.
*/
public class MapperPrism {
/** store prism value of uses */
private List _uses;
/** store prism value of imports */
private List _imports;
/** store prism value of unmappedTargetPolicy */
private String _unmappedTargetPolicy;
/** store prism value of componentModel */
private String _componentModel;
/** store prism value of implementationName */
private String _implementationName;
/** store prism value of implementationPackage */
private String _implementationPackage;
/** store prism value of config */
private TypeMirror _config;
/** store prism value of collectionMappingStrategy */
private String _collectionMappingStrategy;
/** store prism value of nullValueMappingStrategy */
private String _nullValueMappingStrategy;
/** store prism value of mappingInheritanceStrategy */
private String _mappingInheritanceStrategy;
/** store prism value of nullValueCheckStrategy */
private String _nullValueCheckStrategy;
/** store prism value of disableSubMappingMethodsGeneration */
private Boolean _disableSubMappingMethodsGeneration;
/**
* An instance of the Values inner class whose
* methods return the AnnotationValues used to build this prism.
* Primarily intended to support using Messager.
*/
public final Values values;
/** Return a prism representing the {@code @org.mapstruct.Mapper} annotation on 'e'.
* similar to {@code e.getAnnotation(org.mapstruct.Mapper.class)} except that
* an instance of this class rather than an instance of {@code org.mapstruct.Mapper}
* is returned.
*/
public static MapperPrism getInstanceOn(Element e) {
AnnotationMirror m = getMirror("org.mapstruct.Mapper",e);
if(m == null) return null;
return getInstance(m);
}
/** Return a prism of the {@code @org.mapstruct.Mapper} annotation whose mirror is mirror.
*/
public static MapperPrism getInstance(AnnotationMirror mirror) {
return new MapperPrism(mirror);
}
private MapperPrism(AnnotationMirror mirror) {
for(ExecutableElement key : mirror.getElementValues().keySet()) {
memberValues.put(key.getSimpleName().toString(),mirror.getElementValues().get(key));
}
for(ExecutableElement member : ElementFilter.methodsIn(mirror.getAnnotationType().asElement().getEnclosedElements())) {
defaults.put(member.getSimpleName().toString(),member.getDefaultValue());
}
_uses = getArrayValues("uses",TypeMirror.class);
_imports = getArrayValues("imports",TypeMirror.class);
VariableElement unmappedTargetPolicyMirror = getValue("unmappedTargetPolicy",VariableElement.class);
valid = valid && unmappedTargetPolicyMirror != null;
_unmappedTargetPolicy = unmappedTargetPolicyMirror == null ? null : unmappedTargetPolicyMirror.getSimpleName().toString();
_componentModel = getValue("componentModel",String.class);
_implementationName = getValue("implementationName",String.class);
_implementationPackage = getValue("implementationPackage",String.class);
_config = getValue("config",TypeMirror.class);
VariableElement collectionMappingStrategyMirror = getValue("collectionMappingStrategy",VariableElement.class);
valid = valid && collectionMappingStrategyMirror != null;
_collectionMappingStrategy = collectionMappingStrategyMirror == null ? null : collectionMappingStrategyMirror.getSimpleName().toString();
VariableElement nullValueMappingStrategyMirror = getValue("nullValueMappingStrategy",VariableElement.class);
valid = valid && nullValueMappingStrategyMirror != null;
_nullValueMappingStrategy = nullValueMappingStrategyMirror == null ? null : nullValueMappingStrategyMirror.getSimpleName().toString();
VariableElement mappingInheritanceStrategyMirror = getValue("mappingInheritanceStrategy",VariableElement.class);
valid = valid && mappingInheritanceStrategyMirror != null;
_mappingInheritanceStrategy = mappingInheritanceStrategyMirror == null ? null : mappingInheritanceStrategyMirror.getSimpleName().toString();
VariableElement nullValueCheckStrategyMirror = getValue("nullValueCheckStrategy",VariableElement.class);
valid = valid && nullValueCheckStrategyMirror != null;
_nullValueCheckStrategy = nullValueCheckStrategyMirror == null ? null : nullValueCheckStrategyMirror.getSimpleName().toString();
_disableSubMappingMethodsGeneration = getValue("disableSubMappingMethodsGeneration",Boolean.class);
this.values = new Values(memberValues);
this.mirror = mirror;
this.isValid = valid;
}
/**
* Returns a List representing the value of the {@code uses()} member of the Annotation.
* @see org.mapstruct.Mapper#uses()
*/
public List uses() { return _uses; }
/**
* Returns a List representing the value of the {@code imports()} member of the Annotation.
* @see org.mapstruct.Mapper#imports()
*/
public List imports() { return _imports; }
/**
* Returns a String representing the value of the {@code org.mapstruct.ReportingPolicy unmappedTargetPolicy()} member of the Annotation.
* @see org.mapstruct.Mapper#unmappedTargetPolicy()
*/
public String unmappedTargetPolicy() { return _unmappedTargetPolicy; }
/**
* Returns a String representing the value of the {@code java.lang.String componentModel()} member of the Annotation.
* @see org.mapstruct.Mapper#componentModel()
*/
public String componentModel() { return _componentModel; }
/**
* Returns a String representing the value of the {@code java.lang.String implementationName()} member of the Annotation.
* @see org.mapstruct.Mapper#implementationName()
*/
public String implementationName() { return _implementationName; }
/**
* Returns a String representing the value of the {@code java.lang.String implementationPackage()} member of the Annotation.
* @see org.mapstruct.Mapper#implementationPackage()
*/
public String implementationPackage() { return _implementationPackage; }
/**
* Returns a TypeMirror representing the value of the {@code java.lang.Class config()} member of the Annotation.
* @see org.mapstruct.Mapper#config()
*/
public TypeMirror config() { return _config; }
/**
* Returns a String representing the value of the {@code org.mapstruct.CollectionMappingStrategy collectionMappingStrategy()} member of the Annotation.
* @see org.mapstruct.Mapper#collectionMappingStrategy()
*/
public String collectionMappingStrategy() { return _collectionMappingStrategy; }
/**
* Returns a String representing the value of the {@code org.mapstruct.NullValueMappingStrategy nullValueMappingStrategy()} member of the Annotation.
* @see org.mapstruct.Mapper#nullValueMappingStrategy()
*/
public String nullValueMappingStrategy() { return _nullValueMappingStrategy; }
/**
* Returns a String representing the value of the {@code org.mapstruct.MappingInheritanceStrategy mappingInheritanceStrategy()} member of the Annotation.
* @see org.mapstruct.Mapper#mappingInheritanceStrategy()
*/
public String mappingInheritanceStrategy() { return _mappingInheritanceStrategy; }
/**
* Returns a String representing the value of the {@code org.mapstruct.NullValueCheckStrategy nullValueCheckStrategy()} member of the Annotation.
* @see org.mapstruct.Mapper#nullValueCheckStrategy()
*/
public String nullValueCheckStrategy() { return _nullValueCheckStrategy; }
/**
* Returns a Boolean representing the value of the {@code boolean disableSubMappingMethodsGeneration()} member of the Annotation.
* @see org.mapstruct.Mapper#disableSubMappingMethodsGeneration()
*/
public Boolean disableSubMappingMethodsGeneration() { return _disableSubMappingMethodsGeneration; }
/**
* Determine whether the underlying AnnotationMirror has no errors.
* True if the underlying AnnotationMirror has no errors.
* When true is returned, none of the methods will return null.
* When false is returned, a least one member will either return null, or another
* prism that is not valid.
*/
public final boolean isValid;
/**
* The underlying AnnotationMirror of the annotation
* represented by this Prism.
* Primarily intended to support using Messager.
*/
public final AnnotationMirror mirror;
/**
* A class whose members corespond to those of org.mapstruct.Mapper
* but which each return the AnnotationValue corresponding to
* that member in the model of the annotations. Returns null for
* defaulted members. Used for Messager, so default values are not useful.
*/
public static class Values {
private Map values;
private Values(Map values) {
this.values = values;
}
/** Return the AnnotationValue corresponding to the uses()
* member of the annotation, or null when the default value is implied.
*/
public AnnotationValue uses(){ return values.get("uses");}
/** Return the AnnotationValue corresponding to the imports()
* member of the annotation, or null when the default value is implied.
*/
public AnnotationValue imports(){ return values.get("imports");}
/** Return the AnnotationValue corresponding to the unmappedTargetPolicy()
* member of the annotation, or null when the default value is implied.
*/
public AnnotationValue unmappedTargetPolicy(){ return values.get("unmappedTargetPolicy");}
/** Return the AnnotationValue corresponding to the componentModel()
* member of the annotation, or null when the default value is implied.
*/
public AnnotationValue componentModel(){ return values.get("componentModel");}
/** Return the AnnotationValue corresponding to the implementationName()
* member of the annotation, or null when the default value is implied.
*/
public AnnotationValue implementationName(){ return values.get("implementationName");}
/** Return the AnnotationValue corresponding to the implementationPackage()
* member of the annotation, or null when the default value is implied.
*/
public AnnotationValue implementationPackage(){ return values.get("implementationPackage");}
/** Return the AnnotationValue corresponding to the config()
* member of the annotation, or null when the default value is implied.
*/
public AnnotationValue config(){ return values.get("config");}
/** Return the AnnotationValue corresponding to the collectionMappingStrategy()
* member of the annotation, or null when the default value is implied.
*/
public AnnotationValue collectionMappingStrategy(){ return values.get("collectionMappingStrategy");}
/** Return the AnnotationValue corresponding to the nullValueMappingStrategy()
* member of the annotation, or null when the default value is implied.
*/
public AnnotationValue nullValueMappingStrategy(){ return values.get("nullValueMappingStrategy");}
/** Return the AnnotationValue corresponding to the mappingInheritanceStrategy()
* member of the annotation, or null when the default value is implied.
*/
public AnnotationValue mappingInheritanceStrategy(){ return values.get("mappingInheritanceStrategy");}
/** Return the AnnotationValue corresponding to the nullValueCheckStrategy()
* member of the annotation, or null when the default value is implied.
*/
public AnnotationValue nullValueCheckStrategy(){ return values.get("nullValueCheckStrategy");}
/** Return the AnnotationValue corresponding to the disableSubMappingMethodsGeneration()
* member of the annotation, or null when the default value is implied.
*/
public AnnotationValue disableSubMappingMethodsGeneration(){ return values.get("disableSubMappingMethodsGeneration");}
}
private Map defaults = new HashMap(10);
private Map memberValues = new HashMap(10);
private boolean valid = true;
private T getValue(String name, Class clazz) {
T result = MapperPrism.getValue(memberValues,defaults,name,clazz);
if(result == null) valid = false;
return result;
}
private List getArrayValues(String name, final Class clazz) {
List result = MapperPrism.getArrayValues(memberValues,defaults,name,clazz);
if(result == null) valid = false;
return result;
}
private static AnnotationMirror getMirror(String fqn, Element target) {
for (AnnotationMirror m :target.getAnnotationMirrors()) {
CharSequence mfqn = ((TypeElement)m.getAnnotationType().asElement()).getQualifiedName();
if(fqn.contentEquals(mfqn)) return m;
}
return null;
}
private static T getValue(Map memberValues, Map defaults, String name, Class clazz) {
AnnotationValue av = memberValues.get(name);
if(av == null) av = defaults.get(name);
if(av == null) {
return null;
}
if(clazz.isInstance(av.getValue())) return clazz.cast(av.getValue());
return null;
}
private static List getArrayValues(Map memberValues, Map defaults, String name, final Class clazz) {
AnnotationValue av = memberValues.get(name);
if(av == null) av = defaults.get(name);
if(av == null) {
return null;
}
if(av.getValue() instanceof List) {
List result = new ArrayList();
for(AnnotationValue v : getValueAsList(av)) {
if(clazz.isInstance(v.getValue())) {
result.add(clazz.cast(v.getValue()));
} else{
return null;
}
}
return result;
} else {
return null;
}
}
@SuppressWarnings("unchecked")
private static List getValueAsList(AnnotationValue av) {
return (List)av.getValue();
}
}
