| /* |
| * Copyright 2000-2014 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 org.jetbrains.plugins.groovy.intentions.conversions.strings; |
| |
| import com.intellij.psi.PsiElement; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.plugins.groovy.lang.psi.util.ErrorUtil; |
| import org.jetbrains.plugins.groovy.intentions.base.PsiElementPredicate; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrStatement; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.blocks.GrClosableBlock; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.branch.GrReturnStatement; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.literals.GrLiteral; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.literals.GrStringInjection; |
| |
| |
| class ConvertibleGStringLiteralPredicate implements PsiElementPredicate { |
| |
| @Override |
| public boolean satisfiedBy(PsiElement element) { |
| if (!(element instanceof GrLiteral)) return false; |
| if (ErrorUtil.containsError(element)) return false; |
| |
| @NonNls final String text = element.getText(); |
| |
| if (text.charAt(0) != '"') return false; |
| for (PsiElement child : element.getChildren()) { |
| if (child instanceof GrStringInjection) { |
| GrClosableBlock block = ((GrStringInjection)child).getClosableBlock(); |
| if (block != null && !checkClosure(block)) return false; |
| } |
| } |
| return true; |
| } |
| |
| private static boolean checkClosure(GrClosableBlock block) { |
| if (block.hasParametersSection()) return false; |
| final GrStatement[] statements = block.getStatements(); |
| if (statements.length != 1) return false; |
| return statements[0] instanceof GrExpression || statements[0] instanceof GrReturnStatement; |
| } |
| } |