| /* |
| * 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.exceptions; |
| |
| import com.intellij.psi.*; |
| import com.intellij.util.IncorrectOperationException; |
| import com.siyeh.ipp.base.Intention; |
| import com.siyeh.ipp.base.PsiElementPredicate; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.List; |
| |
| /** |
| * @author Bas Leijdekkers |
| */ |
| public class MergeNestedTryStatementsIntention extends Intention { |
| |
| @NotNull |
| @Override |
| protected PsiElementPredicate getElementPredicate() { |
| return new NestedTryStatementsPredicate(); |
| } |
| |
| @Override |
| protected void processIntention(@NotNull PsiElement element) throws IncorrectOperationException { |
| final PsiTryStatement tryStatement1 = (PsiTryStatement)element.getParent(); |
| final StringBuilder newTryStatement = new StringBuilder("try "); |
| final PsiResourceList list1 = tryStatement1.getResourceList(); |
| boolean semicolon = false; |
| boolean resourceList = false; |
| if (list1 != null) { |
| resourceList = true; |
| newTryStatement.append('('); |
| final List<PsiResourceVariable> variables1 = list1.getResourceVariables(); |
| for (PsiResourceVariable variable : variables1) { |
| if (semicolon) { |
| newTryStatement.append(';'); |
| } |
| else { |
| semicolon = true; |
| } |
| newTryStatement.append(variable.getText()); |
| } |
| } |
| final PsiCodeBlock tryBlock1 = tryStatement1.getTryBlock(); |
| if (tryBlock1 == null) { |
| return; |
| } |
| final PsiStatement[] statements = tryBlock1.getStatements(); |
| if (statements.length != 1) { |
| return; |
| } |
| final PsiTryStatement tryStatement2 = (PsiTryStatement)statements[0]; |
| final PsiResourceList list2 = tryStatement2.getResourceList(); |
| if (list2 != null) { |
| if (!resourceList) { |
| newTryStatement.append('('); |
| } |
| resourceList = true; |
| final List<PsiResourceVariable> variables2 = list2.getResourceVariables(); |
| for (PsiResourceVariable variable : variables2) { |
| if (semicolon) { |
| newTryStatement.append(';'); |
| } |
| else { |
| semicolon = true; |
| } |
| newTryStatement.append(variable.getText()); |
| } |
| } |
| if (resourceList) { |
| newTryStatement.append(")"); |
| } |
| final PsiCodeBlock tryBlock2 = tryStatement2.getTryBlock(); |
| if (tryBlock2 == null) { |
| return; |
| } |
| newTryStatement.append(tryBlock2.getText()); |
| final PsiCatchSection[] catchSections2 = tryStatement2.getCatchSections(); |
| for (PsiCatchSection section : catchSections2) { |
| newTryStatement.append(section.getText()); |
| } |
| final PsiCatchSection[] catchSections1 = tryStatement1.getCatchSections(); |
| for (PsiCatchSection section : catchSections1) { |
| newTryStatement.append(section.getText()); |
| } |
| final PsiElementFactory factory = JavaPsiFacade.getElementFactory(element.getProject()); |
| final PsiStatement newStatement = factory.createStatementFromText(newTryStatement.toString(), element); |
| tryStatement1.replace(newStatement); |
| } |
| } |