| /******************************************************************************* |
| * Copyright (c) 2015 Google Inc and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * John Glassmyer <jogl@google.com> - import group sorting is broken - https://bugs.eclipse.org/430303 |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.core.dom.rewrite.imports; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Totally sorts new and existing imports together, discarding the order of existing imports. |
| */ |
| final class ReorderingImportAdder implements ImportAdder { |
| private final Comparator<ImportName> importComparator; |
| |
| ReorderingImportAdder(Comparator<ImportName> importComparator) { |
| this.importComparator = importComparator; |
| } |
| |
| @Override |
| public List<ImportName> addImports(Collection<ImportName> existingImports, Collection<ImportName> importsToAdd) { |
| Set<ImportName> existingImportsSet = new HashSet<ImportName>(existingImports); |
| |
| List<ImportName> importsWithAdditions = new ArrayList<ImportName>(existingImports.size() + importsToAdd.size()); |
| importsWithAdditions.addAll(existingImports); |
| for (ImportName importToAdd : importsToAdd) { |
| if (!existingImportsSet.contains(importToAdd)) { |
| importsWithAdditions.add(importToAdd); |
| } |
| } |
| |
| Collections.sort(importsWithAdditions, this.importComparator); |
| |
| return importsWithAdditions; |
| } |
| } |