| /******************************************************************************* |
| * Copyright (c) 2017, 2018 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 is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Mickael Istria (Red Hat Inc.) - initial implementation |
| * Martin Lippert (Pivotal Inc.) - bug 531167 |
| *******************************************************************************/ |
| package org.eclipse.lsp4e; |
| |
| import org.eclipse.core.expressions.PropertyTester; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.ITextViewer; |
| import org.eclipse.ui.IEditorInput; |
| |
| public class HasLanguageServerPropertyTester extends PropertyTester { |
| |
| @Override |
| public boolean test(Object receiver, String property, Object[] args, Object expectedValue) { |
| if (receiver instanceof IFile) { |
| return LanguageServersRegistry.getInstance().canUseLanguageServer((IFile) receiver); |
| } else if (receiver instanceof IEditorInput) { |
| return LanguageServersRegistry.getInstance().canUseLanguageServer((IEditorInput) receiver); |
| } else if (receiver instanceof IDocument) { |
| return LanguageServersRegistry.getInstance().canUseLanguageServer((IDocument) receiver); |
| } else if (receiver instanceof ITextViewer) { |
| IDocument document = ((ITextViewer) receiver).getDocument(); |
| if (document != null) { |
| return LanguageServersRegistry.getInstance().canUseLanguageServer(document); |
| } |
| } |
| return false; |
| } |
| |
| } |