| /* |
| * Copyright (c) 2014, the Dart project authors. |
| * |
| * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html |
| * |
| * 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.google.dart.tools.wst.ui; |
| |
| import com.google.common.collect.Maps; |
| |
| import org.eclipse.jface.text.IDocument; |
| |
| import java.util.Map; |
| |
| public class HtmlReconcilerManager { |
| private static final HtmlReconcilerManager INSTANCE = new HtmlReconcilerManager(); |
| |
| /** |
| * Retrieve the reconciler cache manager. |
| * |
| * @return The singleton DartReconcilerManager |
| */ |
| public static HtmlReconcilerManager getInstance() { |
| return INSTANCE; |
| } |
| |
| private final Map<IDocument, HtmlReconcilerHook> reconcilers = Maps.newHashMap(); |
| |
| private HtmlReconcilerManager() { |
| } |
| |
| /** |
| * Retrieve the reconciler used for the given <code>document</code>. |
| * |
| * @param document The IDocument being edited |
| * @return The HtmlReconcilerHook used for reconciling |
| */ |
| public HtmlReconcilerHook reconcilerFor(IDocument document) { |
| synchronized (reconcilers) { |
| HtmlReconcilerHook rec = reconcilers.get(document); |
| if (rec == null) { |
| rec = new HtmlReconcilerHook(); |
| rec.connect(document); |
| reconcilers.put(document, rec); |
| } |
| return rec; |
| } |
| } |
| |
| /** |
| * Set the reconciler to be used for the given <code>document</code> to <code>reconciler</code>. |
| * |
| * @param document The IDocument to reconcile |
| * @param reconciler The EmbeddedDartReconcilerHook that does the reconciling |
| */ |
| public void reconcileWith(IDocument document, HtmlReconcilerHook reconciler) { |
| synchronized (reconcilers) { |
| if (reconciler != null) { |
| HtmlReconcilerHook rec = reconcilers.get(document); |
| if (rec == reconciler) { |
| return; |
| } |
| if (rec != null) { |
| rec.disconnect(document); |
| } |
| } |
| reconcilers.put(document, reconciler); |
| } |
| } |
| } |