| /* |
| * Copyright 2007 Bas Leijdekkers |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.siyeh.ipp.varargs; |
| |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import com.siyeh.ig.PsiReplacementUtil; |
| import com.siyeh.ipp.base.Intention; |
| import com.siyeh.ipp.base.PsiElementPredicate; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class WrapVarargArgumentsWithExplicitArrayIntention extends Intention { |
| |
| @Override |
| @NotNull |
| protected PsiElementPredicate getElementPredicate() { |
| return new VarargArgumentsPredicate(); |
| } |
| |
| @Override |
| protected void processIntention(@NotNull PsiElement element) |
| throws IncorrectOperationException { |
| final PsiMethodCallExpression methodCallExpression = |
| PsiTreeUtil.getParentOfType(element, |
| PsiMethodCallExpression.class); |
| if (methodCallExpression == null) { |
| return; |
| } |
| final PsiMethod method = methodCallExpression.resolveMethod(); |
| if (method == null) { |
| return; |
| } |
| final PsiParameterList parameterList = method.getParameterList(); |
| final int parametersCount = parameterList.getParametersCount(); |
| final PsiReferenceExpression methodExpression = |
| methodCallExpression.getMethodExpression(); |
| final String methodExpressionText = methodExpression.getText(); |
| final StringBuilder newExpression = |
| new StringBuilder(methodExpressionText); |
| final PsiExpressionList argumentList = |
| methodCallExpression.getArgumentList(); |
| final PsiExpression[] arguments = argumentList.getExpressions(); |
| newExpression.append('('); |
| final int varargParameterIndex = parametersCount - 1; |
| for (int i = 0; i < varargParameterIndex; i++) { |
| newExpression.append(arguments[i].getText()); |
| newExpression.append(", "); |
| } |
| final PsiParameter[] parameters = parameterList.getParameters(); |
| final PsiParameter varargParameter = parameters[varargParameterIndex]; |
| final PsiArrayType type = (PsiArrayType)varargParameter.getType(); |
| newExpression.append("new "); |
| final PsiType componentType = type.getComponentType(); |
| final JavaResolveResult resolveResult = |
| methodCallExpression.resolveMethodGenerics(); |
| final PsiSubstitutor substitutor = resolveResult.getSubstitutor(); |
| final PsiType substitutedType = substitutor.substitute(componentType); |
| newExpression.append(substitutedType.getCanonicalText()); |
| newExpression.append("[]{"); |
| if (arguments.length > varargParameterIndex) { |
| newExpression.append(arguments[varargParameterIndex].getText()); |
| for (int i = parametersCount; i < arguments.length; i++) { |
| newExpression.append(", "); |
| newExpression.append(arguments[i].getText()); |
| } |
| } |
| newExpression.append("})"); |
| PsiReplacementUtil.replaceExpression(methodCallExpression, newExpression.toString()); |
| } |
| } |