| /* |
| * 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.impl; |
| |
| import com.intellij.openapi.util.Comparing; |
| import com.intellij.openapi.util.VolatileNotNullLazyValue; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.pom.java.LanguageLevel; |
| import com.intellij.psi.CommonClassNames; |
| import com.intellij.psi.JavaPsiFacade; |
| import com.intellij.psi.PsiClassType; |
| import com.intellij.psi.PsiType; |
| import com.intellij.psi.search.GlobalSearchScope; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.TypesUtil; |
| |
| /** |
| * @author ven |
| */ |
| public abstract class GrTupleType extends GrLiteralClassType { |
| private final VolatileNotNullLazyValue<PsiType[]> myParameters = new VolatileNotNullLazyValue<PsiType[]>() { |
| @NotNull |
| @Override |
| protected PsiType[] compute() { |
| PsiType[] types = getComponentTypes(); |
| if (types.length == 0) return PsiType.EMPTY_ARRAY; |
| final PsiType leastUpperBound = getLeastUpperBound(types); |
| if (leastUpperBound == PsiType.NULL) return EMPTY_ARRAY; |
| return new PsiType[]{leastUpperBound}; |
| } |
| }; |
| |
| private final VolatileNotNullLazyValue<PsiType[]> myComponents = new VolatileNotNullLazyValue<PsiType[]>() { |
| @NotNull |
| @Override |
| protected PsiType[] compute() { |
| return inferComponents(); |
| } |
| }; |
| |
| public GrTupleType(@NotNull GlobalSearchScope scope, @NotNull JavaPsiFacade facade) { |
| this(scope, facade, LanguageLevel.JDK_1_5); |
| } |
| |
| public GrTupleType(@NotNull GlobalSearchScope scope, |
| @NotNull JavaPsiFacade facade, |
| @NotNull LanguageLevel level) { |
| super(level, scope, facade); |
| } |
| |
| @NotNull |
| @Override |
| protected String getJavaClassName() { |
| return CommonClassNames.JAVA_UTIL_ARRAY_LIST; |
| } |
| |
| @Override |
| @NotNull |
| public String getClassName() { |
| return StringUtil.getShortName(getJavaClassName()); |
| } |
| |
| @Override |
| @NotNull |
| public PsiType[] getParameters() { |
| return myParameters.getValue(); |
| } |
| |
| @Override |
| @NotNull |
| public String getInternalCanonicalText() { |
| PsiType[] types = getComponentTypes(); |
| |
| StringBuilder builder = new StringBuilder(); |
| builder.append("["); |
| for (int i = 0; i < types.length; i++) { |
| if (i >= 2) { |
| builder.append(",..."); |
| break; |
| } |
| |
| if (i > 0) builder.append(", "); |
| builder.append(getInternalCanonicalText(types[i])); |
| } |
| builder.append("]"); |
| return builder.toString(); |
| } |
| |
| public boolean equals(Object obj) { |
| if (obj instanceof GrTupleType) { |
| PsiType[] componentTypes = getComponentTypes(); |
| PsiType[] otherComponents = ((GrTupleType)obj).getComponentTypes(); |
| for (int i = 0; i < Math.min(componentTypes.length, otherComponents.length); i++) { |
| if (!Comparing.equal(componentTypes[i], otherComponents[i])) return false; |
| } |
| return true; |
| } |
| return super.equals(obj); |
| } |
| |
| @Override |
| public boolean isAssignableFrom(@NotNull PsiType type) { |
| if (type instanceof GrTupleType) { |
| PsiType[] otherComponents = ((GrTupleType)type).getComponentTypes(); |
| PsiType[] componentTypes = getComponentTypes(); |
| for (int i = 0; i < Math.min(componentTypes.length, otherComponents.length); i++) { |
| PsiType componentType = componentTypes[i]; |
| PsiType otherComponent = otherComponents[i]; |
| if (otherComponent == null) { |
| if (componentType != null && !TypesUtil.isClassType(componentType, CommonClassNames.JAVA_LANG_OBJECT)) return false; |
| } |
| else if (componentType != null && !componentType.isAssignableFrom(otherComponent)) return false; |
| } |
| return true; |
| } |
| |
| return super.isAssignableFrom(type); |
| } |
| |
| @NotNull |
| public PsiType[] getComponentTypes() { |
| return myComponents.getValue(); |
| } |
| |
| @NotNull |
| protected abstract PsiType[] inferComponents(); |
| |
| @NotNull |
| @Override |
| public PsiClassType setLanguageLevel(@NotNull LanguageLevel languageLevel) { |
| return new GrImmediateTupleType(getComponentTypes(), myFacade, getResolveScope()); |
| } |
| } |