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package com.github.javaparser.generator.metamodel;
import com.github.javaparser.ast.NodeList;
import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration;
import com.github.javaparser.ast.body.FieldDeclaration;
import com.github.javaparser.ast.body.VariableDeclarator;
import com.github.javaparser.ast.expr.*;
import com.github.javaparser.ast.stmt.Statement;
import com.github.javaparser.ast.type.IntersectionType;
import com.github.javaparser.ast.type.UnionType;
import java.lang.reflect.Field;
import static com.github.javaparser.JavaParser.parseStatement;
import static com.github.javaparser.ast.Modifier.PUBLIC;
import static com.github.javaparser.generator.metamodel.MetaModelGenerator.isNode;
import static com.github.javaparser.generator.metamodel.MetaModelGenerator.nodeMetaModelName;
import static com.github.javaparser.utils.CodeGenerationUtils.*;
import static com.github.javaparser.utils.Utils.decapitalize;
public class InitializePropertyMetaModelsStatementsGenerator {
public void generate(Class<?> nodeClass, Field field, ClassOrInterfaceDeclaration nodeMetaModelClass, String nodeMetaModelFieldName, NodeList<Statement> initializePropertyMetaModelsStatements) throws NoSuchMethodException {
final AstTypeAnalysis fieldAnalysis = new AstTypeAnalysis(nodeClass.getMethod(getter(field)).getGenericReturnType());
final Class<?> fieldType = fieldAnalysis.innerType;
final String typeName = fieldType.getTypeName().replace('$', '.');
final String propertyMetaModelFieldName = field.getName() + "PropertyMetaModel";
nodeMetaModelClass.addField("PropertyMetaModel", propertyMetaModelFieldName, PUBLIC);
final String propertyInitializer = f("new PropertyMetaModel(%s, \"%s\", %s.class, %s, %s, %s, %s, %s, %s)",
nodeMetaModelFieldName,
field.getName(),
typeName,
optionalOf(decapitalize(nodeMetaModelName(fieldType)), isNode(fieldType)),
fieldAnalysis.isOptional,
isNonEmpty(field),
fieldAnalysis.isNodeList,
fieldAnalysis.isEnumSet,
fieldAnalysis.isSelfType);
final String fieldSetting = f("%s.%s=%s;", nodeMetaModelFieldName, propertyMetaModelFieldName, propertyInitializer);
final String fieldAddition = f("%s.getDeclaredPropertyMetaModels().add(%s.%s);", nodeMetaModelFieldName, nodeMetaModelFieldName, propertyMetaModelFieldName);
initializePropertyMetaModelsStatements.add(parseStatement(fieldSetting));
initializePropertyMetaModelsStatements.add(parseStatement(fieldAddition));
}
private boolean isNonEmpty(Field field) {
final String name = field.getName();
final Class<?> c = field.getDeclaringClass();
return (c == VariableDeclarator.class && name.equals("initializer")) ||
(c == MethodReferenceExpr.class && name.equals("identifier")) ||
(c == Name.class && name.equals("identifier")) ||
(c == SimpleName.class && name.equals("identifier")) ||
(c == ArrayCreationExpr.class && name.equals("levels")) ||
(c == FieldDeclaration.class && name.equals("variables")) ||
(c == IntersectionType.class && name.equals("elements")) ||
(c == UnionType.class && name.equals("elements")) ||
(c == VariableDeclarationExpr.class && name.equals("variables"));
}
private String getter(Field field) {
return getterName(field.getType(), field.getName());
}
}
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