| /* |
| * 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.intellij.codeInsight.intention.impl; |
| |
| import com.intellij.codeInsight.CodeInsightBundle; |
| import com.intellij.codeInsight.intention.PsiElementBaseIntentionAction; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Comparing; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.*; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author Danila Ponomarenko |
| */ |
| public class BreakStringOnLineBreaksIntentionAction extends PsiElementBaseIntentionAction { |
| @Override |
| public boolean isAvailable(@NotNull Project project, Editor editor, @NotNull PsiElement element) { |
| if (!(element instanceof PsiJavaToken)) { |
| return false; |
| } |
| |
| final PsiJavaToken token = (PsiJavaToken)element; |
| |
| if (token.getTokenType() != JavaTokenType.STRING_LITERAL) { |
| return false; |
| } |
| |
| final String text = token.getText(); |
| if (text == null) { |
| return false; |
| } |
| |
| final int indexOfSlashN = text.indexOf("\\n"); |
| if (indexOfSlashN == -1 || Comparing.equal(text.substring(indexOfSlashN, text.length()), "\\n\"")){ |
| return false; |
| } |
| |
| final int indexOfSlashNSlashR = text.indexOf("\\n\\r"); |
| if (indexOfSlashNSlashR != -1 && Comparing.equal(text.substring(indexOfSlashNSlashR, text.length()), "\\n\\r\"")){ |
| return false; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public void invoke(@NotNull Project project, Editor editor, @NotNull PsiElement element) throws IncorrectOperationException { |
| if (!(element instanceof PsiJavaToken)) { |
| return; |
| } |
| |
| final PsiJavaToken token = (PsiJavaToken)element; |
| |
| if (token.getTokenType() != JavaTokenType.STRING_LITERAL) { |
| return; |
| } |
| |
| |
| final String text = token.getText(); |
| if (text == null) { |
| return; |
| } |
| |
| final PsiElementFactory factory = JavaPsiFacade.getElementFactory(project); |
| token.replace(factory.createExpressionFromText(breakOnLineBreaks(text), element)); |
| } |
| |
| |
| @NotNull |
| private static String breakOnLineBreaks(@NotNull String string) { |
| final String result = StringUtil.replace( |
| string, |
| new String[]{"\\n\\r", "\\n"}, |
| new String[]{"\\n\\r\" + \n\"", "\\n\" + \n\""} |
| ); |
| |
| final String redundantSuffix = " + \n\"\""; |
| |
| return result.endsWith(redundantSuffix) ? result.substring(0, result.length() - redundantSuffix.length()) : result; |
| } |
| |
| @NotNull |
| @Override |
| public String getText() { |
| return CodeInsightBundle.message("intention.break.string.on.line.breaks.text"); |
| } |
| |
| @NotNull |
| @Override |
| public String getFamilyName() { |
| return getText(); |
| } |
| } |