| /* |
| * 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.control; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiType; |
| 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.branch.GrReturnStatement; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrAssignmentExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.literals.GrLiteral; |
| |
| class ExpandBooleanPredicate implements PsiElementPredicate { |
| private static final Logger LOGGER = Logger.getInstance("ExpandBooleanPredicate"); |
| |
| @Override |
| public boolean satisfiedBy(PsiElement element) { |
| if (!(element instanceof GrStatement)) { |
| return false; |
| } |
| final GrStatement statement = (GrStatement) element; |
| return isBooleanReturn(statement) || isBooleanAssignment(statement); |
| } |
| |
| public static boolean isBooleanReturn(GrStatement statement) { |
| if (!(statement instanceof GrReturnStatement)) { |
| return false; |
| } |
| final GrReturnStatement returnStatement = |
| (GrReturnStatement) statement; |
| final GrExpression returnValue = returnStatement.getReturnValue(); |
| if (returnValue == null) { |
| return false; |
| } |
| if (returnValue instanceof GrLiteral) { |
| return false; |
| } |
| final PsiType returnType = returnValue.getType(); |
| if (returnType == null) { |
| return false; |
| } |
| return returnType.equals(PsiType.BOOLEAN) || returnType.equalsToText("java.lang.Boolean"); |
| } |
| |
| public static boolean isBooleanAssignment(GrStatement expression) { |
| |
| if (!(expression instanceof GrAssignmentExpression)) { |
| return false; |
| } |
| final GrAssignmentExpression assignment = |
| (GrAssignmentExpression) expression; |
| final GrExpression rhs = assignment.getRValue(); |
| if (rhs == null) { |
| return false; |
| } |
| if (rhs instanceof GrLiteral) { |
| return false; |
| } |
| final PsiType assignmentType = rhs.getType(); |
| if (assignmentType == null) { |
| return false; |
| } |
| return assignmentType.equals(PsiType.BOOLEAN) || assignmentType.equalsToText("java.lang.Boolean"); |
| } |
| } |