public static PsiModifierList createNewModifierList(EncapsulateFieldsDescriptor descriptor) {
PsiModifierList newModifierList = null;
PsiElementFactory factory =
JavaPsiFacade.getInstance(descriptor.getTargetClass().getProject()).getElementFactory();
try {
PsiField field = factory.createField("a", PsiType.INT);
EncapsulateFieldsProcessor.setNewFieldVisibility(field, descriptor);
newModifierList = field.getModifierList();
} catch (IncorrectOperationException e) {
LOG.error(e);
}
return newModifierList;
}
public static void createFieldAndAddAssignment(
final @NotNull Project project,
final @NotNull PsiClass targetClass,
final @NotNull PsiMethod method,
final @NotNull PsiParameter parameter,
final @NotNull PsiType fieldType,
final @NotNull String fieldName,
final boolean isStatic,
final boolean isFinal)
throws IncorrectOperationException {
PsiManager psiManager = PsiManager.getInstance(project);
PsiElementFactory factory =
JavaPsiFacade.getInstance(psiManager.getProject()).getElementFactory();
PsiField field = factory.createField(fieldName, fieldType);
PsiModifierList modifierList = field.getModifierList();
if (modifierList == null) return;
modifierList.setModifierProperty(PsiModifier.STATIC, isStatic);
modifierList.setModifierProperty(PsiModifier.FINAL, isFinal);
NullableNotNullManager.getInstance(project).copyNullableOrNotNullAnnotation(parameter, field);
PsiCodeBlock methodBody = method.getBody();
if (methodBody == null) return;
PsiStatement[] statements = methodBody.getStatements();
Ref<Pair<PsiField, Boolean>> anchorRef = new Ref<Pair<PsiField, Boolean>>();
int i = findFieldAssignmentAnchor(statements, anchorRef, targetClass, parameter);
Pair<PsiField, Boolean> fieldAnchor = anchorRef.get();
String stmtText = fieldName + " = " + parameter.getName() + ";";
if (fieldName.equals(parameter.getName())) {
@NonNls
String prefix =
isStatic ? targetClass.getName() == null ? "" : targetClass.getName() + "." : "this.";
stmtText = prefix + stmtText;
}
PsiStatement assignmentStmt = factory.createStatementFromText(stmtText, methodBody);
assignmentStmt = (PsiStatement) CodeStyleManager.getInstance(project).reformat(assignmentStmt);
if (i == statements.length) {
methodBody.add(assignmentStmt);
} else {
methodBody.addAfter(assignmentStmt, i > 0 ? statements[i - 1] : null);
}
if (fieldAnchor != null) {
PsiVariable psiVariable = fieldAnchor.getFirst();
psiVariable.normalizeDeclaration();
}
if (targetClass.findFieldByName(fieldName, false) == null) {
if (fieldAnchor != null) {
Boolean insertBefore = fieldAnchor.getSecond();
PsiField inField = fieldAnchor.getFirst();
if (insertBefore.booleanValue()) {
targetClass.addBefore(field, inField);
} else {
targetClass.addAfter(field, inField);
}
} else {
targetClass.add(field);
}
}
}