| /******************************************************************************* |
| * Copyright (c) 2017 Red Hat Inc. 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: |
| * Lucas Bullen (Red Hat Inc.) - initial implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.genericeditor; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.stream.Collectors; |
| |
| import org.eclipse.jface.text.IDocumentExtension3; |
| import org.eclipse.jface.text.ITextViewer; |
| import org.eclipse.jface.text.reconciler.IReconciler; |
| import org.eclipse.jface.text.reconciler.IReconcilerExtension; |
| import org.eclipse.jface.text.reconciler.IReconcilingStrategy; |
| |
| public class CompositeReconciler implements IReconciler, IReconcilerExtension { |
| private List<IReconciler> fReconcilers; |
| |
| public CompositeReconciler(List<IReconciler> reconcilers) { |
| fReconcilers = reconcilers.stream().filter(Objects::nonNull).collect(Collectors.toList()); |
| } |
| |
| @Override |
| public String getDocumentPartitioning() { |
| boolean defaultFound = false; |
| String[] types = (String[]) fReconcilers.stream() |
| .filter(IReconcilerExtension.class::isInstance) |
| .map(IReconcilerExtension.class::cast) |
| .map(IReconcilerExtension::getDocumentPartitioning) |
| .filter(Objects::nonNull) |
| .toArray(); |
| for (String type : types) { |
| if (type.equals(IDocumentExtension3.DEFAULT_PARTITIONING)) { |
| defaultFound = true; |
| } else { |
| return type; |
| } |
| } |
| return defaultFound ? IDocumentExtension3.DEFAULT_PARTITIONING : null; |
| } |
| |
| @Override |
| public void install(ITextViewer textViewer) { |
| for (IReconciler iReconciler : fReconcilers) { |
| iReconciler.install(textViewer); |
| } |
| } |
| |
| @Override |
| public void uninstall() { |
| for (IReconciler iReconciler : fReconcilers) { |
| iReconciler.uninstall(); |
| } |
| } |
| |
| @Override |
| public IReconcilingStrategy getReconcilingStrategy(String contentType) { |
| List<IReconcilingStrategy> strategies = new ArrayList<>(); |
| for (IReconciler iReconciler : fReconcilers) { |
| IReconcilingStrategy strategy = iReconciler.getReconcilingStrategy(contentType); |
| if(strategy != null) { |
| strategies.add(strategy); |
| } |
| } |
| |
| if(strategies.size() == 1) { |
| return strategies.get(0); |
| } |
| |
| return new CompositeReconcilerStrategy(strategies); |
| |
| } |
| } |