private static PsiAnnotationMemberValue[] readFromClass( @NonNls String attributeName, @NotNull PsiAnnotation magic, PsiType type) { PsiAnnotationMemberValue fromClassAttr = magic.findAttributeValue(attributeName); PsiType fromClassType = fromClassAttr instanceof PsiClassObjectAccessExpression ? ((PsiClassObjectAccessExpression) fromClassAttr).getOperand().getType() : null; PsiClass fromClass = fromClassType instanceof PsiClassType ? ((PsiClassType) fromClassType).resolve() : null; if (fromClass == null) return null; String fqn = fromClass.getQualifiedName(); if (fqn == null) return null; List<PsiAnnotationMemberValue> constants = new ArrayList<PsiAnnotationMemberValue>(); for (PsiField field : fromClass.getFields()) { if (!field.hasModifierProperty(PsiModifier.PUBLIC) || !field.hasModifierProperty(PsiModifier.STATIC) || !field.hasModifierProperty(PsiModifier.FINAL)) continue; PsiType fieldType = field.getType(); if (!Comparing.equal(fieldType, type)) continue; PsiAssignmentExpression e = (PsiAssignmentExpression) JavaPsiFacade.getElementFactory(field.getProject()) .createExpressionFromText("x=" + fqn + "." + field.getName(), field); PsiReferenceExpression refToField = (PsiReferenceExpression) e.getRExpression(); constants.add(refToField); } if (constants.isEmpty()) return null; return constants.toArray(new PsiAnnotationMemberValue[constants.size()]); }
public static boolean isFieldEquivalentTo(@NotNull PsiField field, PsiElement another) { if (!(another instanceof PsiField)) return false; String name1 = field.getName(); if (name1 == null) return false; if (!another.isValid()) return false; String name2 = ((PsiField) another).getName(); if (!name1.equals(name2)) return false; PsiClass aClass1 = field.getContainingClass(); PsiClass aClass2 = ((PsiField) another).getContainingClass(); return aClass1 != null && aClass2 != null && field.getManager().areElementsEquivalent(aClass1, aClass2); }
@Nullable public static PsiField findFieldByName( GrTypeDefinition grType, String name, boolean checkBases, boolean includeSynthetic) { if (!checkBases) { for (PsiField field : CollectClassMembersUtil.getFields(grType, includeSynthetic)) { if (name.equals(field.getName())) return field; } return null; } Map<String, CandidateInfo> fieldsMap = CollectClassMembersUtil.getAllFields(grType, includeSynthetic); final CandidateInfo info = fieldsMap.get(name); return info == null ? null : (PsiField) info.getElement(); }