| /******************************************************************************* |
| * Copyright (c) 2008, 2017 xored software, 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: |
| * xored software, Inc. - initial API and Implementation (Andrei Sobolev) |
| *******************************************************************************/ |
| package org.eclipse.dltk.tcl.parser.definitions; |
| |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.dltk.tcl.internal.parser.TclParserCore; |
| |
| /** |
| * Load all definition extension points. |
| */ |
| public class DefinitionExtensionManager { |
| private static final String EXTENSION_ID = TclParserCore.PLUGIN_ID |
| + ".definitions"; |
| private static DefinitionExtensionManager sInstance; |
| private Map<URL, String> extentions = new HashMap<>(); |
| private boolean initialized = false; |
| |
| private DefinitionExtensionManager() { |
| } |
| |
| private void initialize() { |
| if (initialized) { |
| return; |
| } |
| initialized = true; |
| IConfigurationElement[] configurationElements = Platform |
| .getExtensionRegistry() |
| .getConfigurationElementsFor(EXTENSION_ID); |
| for (IConfigurationElement config : configurationElements) { |
| String name = config.getAttribute("name"); |
| String url = config.getAttribute("url"); |
| URL urlValue; |
| try { |
| urlValue = new URL(url); |
| extentions.put(urlValue, name); |
| } catch (MalformedURLException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| |
| public URL[] getLocations() { |
| initialize(); |
| return this.extentions.keySet() |
| .toArray(new URL[this.extentions.size()]); |
| } |
| |
| public Map<URL, String> getExtentions() { |
| return extentions; |
| } |
| |
| public static synchronized DefinitionExtensionManager getInstance() { |
| if (sInstance == null) { |
| sInstance = new DefinitionExtensionManager(); |
| } |
| return sInstance; |
| } |
| } |