| /* |
| * Copyright 2000-2009 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 com.intellij.packaging.impl.artifacts; |
| |
| import com.intellij.packaging.artifacts.Artifact; |
| import com.intellij.packaging.elements.ComplexPackagingElement; |
| import com.intellij.packaging.elements.CompositePackagingElement; |
| import com.intellij.packaging.elements.PackagingElement; |
| import com.intellij.packaging.elements.PackagingElementResolvingContext; |
| import com.intellij.packaging.impl.elements.ArtifactPackagingElement; |
| import com.intellij.util.SmartList; |
| import com.intellij.util.StringBuilderSpinAllocator; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.List; |
| |
| /** |
| * @author nik |
| */ |
| public class PackagingElementPath { |
| public static final PackagingElementPath EMPTY = new PackagingElementPath(null, null); |
| private final PackagingElementPath myParentPath; |
| private final PackagingElement<?> myLastElement; |
| |
| private PackagingElementPath(PackagingElementPath parentPath, PackagingElement<?> lastElement) { |
| myParentPath = parentPath; |
| myLastElement = lastElement; |
| } |
| |
| public PackagingElementPath appendComplex(ComplexPackagingElement<?> element) { |
| return new PackagingElementPath(this, element); |
| } |
| |
| public PackagingElementPath appendComposite(CompositePackagingElement<?> element) { |
| return new PackagingElementPath(this, element); |
| } |
| |
| @NotNull |
| public String getPathString() { |
| return getPathString("/"); |
| } |
| |
| @NotNull |
| public String getPathString(String separator) { |
| return getPathStringFrom(separator, null); |
| } |
| |
| @NotNull |
| public String getPathStringFrom(String separator, @Nullable CompositePackagingElement<?> ancestor) { |
| final StringBuilder builder = StringBuilderSpinAllocator.alloc(); |
| try { |
| final List<CompositePackagingElement<?>> parents = getParentsFrom(ancestor); |
| for (int i = parents.size() - 1; i >= 0; i--) { |
| builder.append(parents.get(i).getName()); |
| if (i > 0) { |
| builder.append(separator); |
| } |
| } |
| return builder.toString(); |
| } |
| finally { |
| StringBuilderSpinAllocator.dispose(builder); |
| } |
| } |
| |
| public List<CompositePackagingElement<?>> getParents() { |
| return getParentsFrom(null); |
| } |
| |
| public List<CompositePackagingElement<?>> getParentsFrom(@Nullable CompositePackagingElement<?> ancestor) { |
| List<CompositePackagingElement<?>> result = new SmartList<CompositePackagingElement<?>>(); |
| PackagingElementPath path = this; |
| while (path != EMPTY && path.myLastElement != ancestor) { |
| if (path.myLastElement instanceof CompositePackagingElement<?>) { |
| result.add((CompositePackagingElement)path.myLastElement); |
| } |
| path = path.myParentPath; |
| } |
| return result; |
| } |
| |
| public List<PackagingElement<?>> getAllElements() { |
| List<PackagingElement<?>> result = new SmartList<PackagingElement<?>>(); |
| PackagingElementPath path = this; |
| while (path != EMPTY) { |
| result.add(path.myLastElement); |
| path = path.myParentPath; |
| } |
| return result; |
| } |
| |
| @Nullable |
| public CompositePackagingElement<?> getLastParent() { |
| PackagingElementPath path = this; |
| while (path != EMPTY) { |
| if (path.myLastElement instanceof CompositePackagingElement<?>) { |
| return (CompositePackagingElement)path.myLastElement; |
| } |
| path = path.myParentPath; |
| } |
| return null; |
| } |
| |
| @Nullable |
| public Artifact findLastArtifact(PackagingElementResolvingContext context) { |
| PackagingElementPath path = this; |
| while (path != EMPTY) { |
| final PackagingElement<?> element = path.myLastElement; |
| if (element instanceof ArtifactPackagingElement) { |
| return ((ArtifactPackagingElement)element).findArtifact(context); |
| } |
| path = path.myParentPath; |
| } |
| return null; |
| } |
| |
| public static PackagingElementPath createPath(@NotNull List<PackagingElement<?>> elements) { |
| PackagingElementPath path = EMPTY; |
| for (PackagingElement<?> element : elements) { |
| path = new PackagingElementPath(path, element); |
| } |
| return path; |
| } |
| } |