| /* |
| * Copyright 2000-2012 JetBrains s.r.o. |
| * |
| * 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.concatenation; |
| |
| 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; |
| |
| /** |
| * @author Bas Leijdekkers |
| */ |
| public class MergeCallSequenceToChainIntention extends Intention { |
| |
| @NotNull |
| @Override |
| protected PsiElementPredicate getElementPredicate() { |
| return new CallSequencePredicate(); |
| } |
| |
| @Override |
| protected void processIntention(@NotNull PsiElement element) throws IncorrectOperationException { |
| if (!(element instanceof PsiExpressionStatement)) { |
| return; |
| } |
| final PsiExpressionStatement statement = (PsiExpressionStatement)element; |
| final PsiExpressionStatement nextSibling = PsiTreeUtil.getNextSiblingOfType(statement, PsiExpressionStatement.class); |
| if (nextSibling == null) { |
| return; |
| } |
| final PsiExpression expression = statement.getExpression(); |
| final StringBuilder newMethodCallExpression = new StringBuilder(expression.getText()); |
| final PsiExpression expression1 = nextSibling.getExpression(); |
| if (!(expression1 instanceof PsiMethodCallExpression)) { |
| return; |
| } |
| PsiMethodCallExpression methodCallExpression = getRootMethodCallExpression((PsiMethodCallExpression)expression1); |
| while (true) { |
| final PsiExpressionList argumentList = methodCallExpression.getArgumentList(); |
| final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression(); |
| final String methodName = methodExpression.getReferenceName(); |
| newMethodCallExpression.append('.').append(methodName).append(argumentList.getText()); |
| final PsiElement parent = methodCallExpression.getParent(); |
| final PsiElement grandParent = parent.getParent(); |
| if (!(grandParent instanceof PsiMethodCallExpression)) { |
| break; |
| } |
| methodCallExpression = (PsiMethodCallExpression)grandParent; |
| } |
| PsiReplacementUtil.replaceExpression(expression, newMethodCallExpression.toString()); |
| nextSibling.delete(); |
| } |
| |
| public static PsiMethodCallExpression getRootMethodCallExpression(PsiMethodCallExpression expression) { |
| final PsiReferenceExpression methodExpression = expression.getMethodExpression(); |
| final PsiExpression qualifierExpression = methodExpression.getQualifierExpression(); |
| if (qualifierExpression instanceof PsiMethodCallExpression) { |
| final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression)qualifierExpression; |
| return getRootMethodCallExpression(methodCallExpression); |
| } |
| return expression; |
| } |
| } |