| /* |
| * Copyright 2003-2009 Dave Griffith, Bas Leijdekkers |
| * |
| * 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.forloop; |
| |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.psi.search.GlobalSearchScope; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.psi.util.InheritanceUtil; |
| import com.siyeh.ipp.base.PsiElementPredicate; |
| import com.siyeh.ipp.psiutils.ErrorUtil; |
| |
| class IndexedForEachLoopPredicate implements PsiElementPredicate { |
| |
| public boolean satisfiedBy(PsiElement element) { |
| if (!(element instanceof PsiJavaToken)) { |
| return false; |
| } |
| final PsiJavaToken token = (PsiJavaToken)element; |
| final IElementType tokenType = token.getTokenType(); |
| if (!JavaTokenType.FOR_KEYWORD.equals(tokenType)) { |
| return false; |
| } |
| final PsiElement parent = element.getParent(); |
| if (!(parent instanceof PsiForeachStatement)) { |
| return false; |
| } |
| final PsiForeachStatement foreachStatement = |
| (PsiForeachStatement)parent; |
| final PsiExpression iteratedValue = foreachStatement.getIteratedValue(); |
| if (iteratedValue == null) { |
| return false; |
| } |
| final PsiType type = iteratedValue.getType(); |
| if (!(type instanceof PsiArrayType)) { |
| if (!(type instanceof PsiClassType)) { |
| return false; |
| } |
| final PsiClassType classType = (PsiClassType)type; |
| final PsiClass aClass = classType.resolve(); |
| if (aClass == null) { |
| return false; |
| } |
| final Project project = element.getProject(); |
| final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project); |
| final PsiClass listInterface = |
| psiFacade.findClass(CommonClassNames.JAVA_UTIL_LIST, |
| GlobalSearchScope.allScope(project)); |
| if (listInterface == null || |
| !InheritanceUtil.isInheritorOrSelf(aClass, |
| listInterface, true)) { |
| return false; |
| } |
| } |
| return !ErrorUtil.containsError(parent); |
| } |
| } |