| /* |
| * Copyright 2000-2009 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.intellij.codeInsight.daemon.impl.quickfix; |
| |
| import com.intellij.codeInsight.FileModificationService; |
| import com.intellij.codeInsight.daemon.QuickFixBundle; |
| import com.intellij.codeInspection.LocalQuickFixOnPsiElement; |
| import com.intellij.openapi.command.undo.UndoUtil; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.psi.codeStyle.JavaCodeStyleManager; |
| import com.intellij.psi.util.PsiFormatUtil; |
| import com.intellij.psi.util.PsiFormatUtilBase; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class MethodThrowsFix extends LocalQuickFixOnPsiElement { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.codeInsight.daemon.impl.quickfix.MethodThrowsFix"); |
| |
| private final String myThrowsCanonicalText; |
| private final boolean myShouldThrow; |
| private final String myMethodName; |
| |
| public MethodThrowsFix(@NotNull PsiMethod method, @NotNull PsiClassType exceptionType, boolean shouldThrow, boolean showContainingClass) { |
| super(method); |
| myThrowsCanonicalText = exceptionType.getCanonicalText(); |
| myShouldThrow = shouldThrow; |
| myMethodName = PsiFormatUtil.formatMethod(method, |
| PsiSubstitutor.EMPTY, |
| PsiFormatUtilBase.SHOW_NAME | (showContainingClass ? PsiFormatUtilBase.SHOW_CONTAINING_CLASS |
| : 0), |
| 0); |
| } |
| |
| @NotNull |
| @Override |
| public String getText() { |
| return QuickFixBundle.message(myShouldThrow ? "fix.throws.list.add.exception" : "fix.throws.list.remove.exception", |
| myThrowsCanonicalText, |
| myMethodName); |
| } |
| |
| @Override |
| @NotNull |
| public String getFamilyName() { |
| return QuickFixBundle.message("fix.throws.list.family"); |
| } |
| |
| @Override |
| public boolean isAvailable(@NotNull Project project, |
| @NotNull PsiFile file, |
| @NotNull PsiElement startElement, |
| @NotNull PsiElement endElement) { |
| final PsiMethod myMethod = (PsiMethod)startElement; |
| return myMethod.isValid() |
| && myMethod.getManager().isInProject(myMethod); |
| } |
| |
| @Override |
| public void invoke(@NotNull Project project, @NotNull PsiFile file, @NotNull PsiElement startElement, @NotNull PsiElement endElement) { |
| final PsiMethod myMethod = (PsiMethod)startElement; |
| if (!FileModificationService.getInstance().prepareFileForWrite(myMethod.getContainingFile())) return; |
| PsiJavaCodeReferenceElement[] referenceElements = myMethod.getThrowsList().getReferenceElements(); |
| try { |
| boolean alreadyThrows = false; |
| for (PsiJavaCodeReferenceElement referenceElement : referenceElements) { |
| if (referenceElement.getCanonicalText().equals(myThrowsCanonicalText)) { |
| alreadyThrows = true; |
| if (!myShouldThrow) { |
| referenceElement.delete(); |
| break; |
| } |
| } |
| } |
| if (myShouldThrow && !alreadyThrows) { |
| final PsiElementFactory factory = JavaPsiFacade.getInstance(myMethod.getProject()).getElementFactory(); |
| final PsiClassType type = (PsiClassType)factory.createTypeFromText(myThrowsCanonicalText, myMethod); |
| PsiJavaCodeReferenceElement ref = factory.createReferenceElementByType(type); |
| ref = (PsiJavaCodeReferenceElement)JavaCodeStyleManager.getInstance(project).shortenClassReferences(ref); |
| myMethod.getThrowsList().add(ref); |
| } |
| UndoUtil.markPsiFileForUndo(file); |
| } |
| catch (IncorrectOperationException e) { |
| LOG.error(e); |
| } |
| } |
| } |