public boolean isMethodSignatureExists() { PsiClass target = myTargetMethod.getContainingClass(); LOG.assertTrue(target != null); PsiMethod[] methods = target.findMethodsByName(myTargetMethod.getName(), false); for (PsiMethod method : methods) { if (PsiUtil.isApplicable(method, PsiSubstitutor.EMPTY, myExpressions)) return true; } return false; }
@NotNull private List<PsiMethod> getMethodsToImport() { PsiShortNamesCache cache = PsiShortNamesCache.getInstance(myMethodCall.getProject()); PsiMethodCallExpression element = myMethodCall.getElement(); PsiReferenceExpression reference = element.getMethodExpression(); PsiExpressionList argumentList = element.getArgumentList(); String name = reference.getReferenceName(); List<PsiMethod> list = new ArrayList<PsiMethod>(); if (name == null) return list; GlobalSearchScope scope = element.getResolveScope(); PsiMethod[] methods = cache.getMethodsByNameIfNotMoreThan(name, scope, 20); List<PsiMethod> applicableList = new ArrayList<PsiMethod>(); final PsiResolveHelper resolveHelper = JavaPsiFacade.getInstance(element.getProject()).getResolveHelper(); for (PsiMethod method : methods) { ProgressManager.checkCanceled(); if (JavaCompletionUtil.isInExcludedPackage(method)) continue; if (!method.hasModifierProperty(PsiModifier.STATIC)) continue; PsiFile file = method.getContainingFile(); if (file instanceof PsiJavaFile // do not show methods from default package && ((PsiJavaFile) file).getPackageName().length() != 0 && PsiUtil.isAccessible(method, element, method.getContainingClass())) { list.add(method); PsiSubstitutor substitutorForMethod = resolveHelper.inferTypeArguments( method.getTypeParameters(), method.getParameterList().getParameters(), argumentList.getExpressions(), PsiSubstitutor.EMPTY, element.getParent(), DefaultParameterTypeInferencePolicy.INSTANCE); if (PsiUtil.isApplicable(method, substitutorForMethod, argumentList)) { applicableList.add(method); } } } List<PsiMethod> result = applicableList.isEmpty() ? list : applicableList; for (int i = result.size() - 1; i >= 0; i--) { ProgressManager.checkCanceled(); PsiMethod method = result.get(i); PsiClass containingClass = method.getContainingClass(); for (int j = i + 1; j < result.size(); j++) { PsiMethod exMethod = result.get(j); if (!Comparing.strEqual(exMethod.getName(), method.getName())) continue; PsiClass exContainingClass = exMethod.getContainingClass(); if (containingClass != null && exContainingClass != null && !Comparing.equal( containingClass.getQualifiedName(), exContainingClass.getQualifiedName())) continue; // same named methods, drop one result.remove(i); break; } // check for manually excluded if (isExcluded(method)) { result.remove(i); } } Collections.sort(result, new PsiProximityComparator(argumentList)); return result; }