| /******************************************************************************* |
| * Copyright (c) 2005, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.help.internal.search; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Plugins with prebuilt search indexes. |
| * |
| */ |
| public class PrebuiltIndexes { |
| private SearchIndex targetIndex; |
| |
| /** |
| * Set of PluginIndex |
| */ |
| private Set<PluginIndex> set = new HashSet<>(); |
| |
| PrebuiltIndexes(SearchIndex targetIndex) { |
| super(); |
| this.targetIndex = targetIndex; |
| } |
| |
| void add(String plugin, String path) { |
| set.add(new PluginIndex(plugin, path, targetIndex)); |
| } |
| |
| /** |
| * Removes Plugin indexes with no index |
| */ |
| private void trim() { |
| List<PluginIndex> indexes = new ArrayList<>(set); |
| for (int i = 0; i < indexes.size();) { |
| PluginIndex index = indexes.get(i); |
| if (index.getPaths().size() == 0) { |
| set.remove(index); |
| } |
| i++; |
| } |
| } |
| |
| public PluginIndex[] getIndexes() { |
| trim(); |
| return set.toArray(new PluginIndex[set.size()]); |
| } |
| } |