| /* |
| * 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.lang.psi.api; |
| |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Key; |
| import com.intellij.psi.PsiType; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.CollectionUtil; |
| |
| /** |
| * @author Max Medvedev |
| */ |
| public final class SpreadState { |
| public static final Key<SpreadState> SPREAD_STATE = Key.create("Spread state"); |
| |
| @Nullable private final PsiType containerType; |
| @Nullable private final SpreadState innerState; |
| |
| public SpreadState(@Nullable PsiType type, @Nullable SpreadState state) { |
| containerType = type; |
| innerState = state; |
| } |
| |
| @Nullable |
| public PsiType getContainerType() { |
| return containerType; |
| } |
| |
| @Nullable |
| public SpreadState getInnerState() { |
| return innerState; |
| } |
| |
| public static SpreadState create(PsiType type, @Nullable SpreadState state) { |
| return new SpreadState(type, state); |
| } |
| |
| @Nullable |
| public static PsiType apply(@Nullable PsiType item, @Nullable SpreadState state, Project project) { |
| if (state == null) return item; |
| return apply(CollectionUtil.createSimilarCollection(state.getContainerType(), project, item), state.getInnerState(), project); |
| } |
| } |