-/*******************************************************************************\r
- * Copyright (c) 2015 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * Semantum Oy - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.internal.startup;\r
-\r
-import java.util.Arrays;\r
-import java.util.HashSet;\r
-import java.util.Set;\r
-\r
-import org.eclipse.core.runtime.IConfigurationElement;\r
-import org.eclipse.core.runtime.IExtension;\r
-import org.eclipse.core.runtime.IExtensionPoint;\r
-import org.eclipse.core.runtime.Platform;\r
-import org.eclipse.core.runtime.dynamichelpers.ExtensionTracker;\r
-import org.eclipse.core.runtime.dynamichelpers.IExtensionChangeHandler;\r
-import org.eclipse.core.runtime.dynamichelpers.IExtensionTracker;\r
-import org.eclipse.core.runtime.dynamichelpers.IFilter;\r
-\r
-/**\r
- * Registry implementation for org.simantics.startup extensions.\r
- * \r
- * @author Tuukka Lehtonen\r
- */\r
-public class StartupRegistry implements IExtensionChangeHandler {\r
-\r
- private final static String NAMESPACE = "org.simantics";\r
- private final static String EP_NAME = "startup";\r
- private final static String STARTUP = "startup";\r
-\r
- private final ExtensionTracker tracker;\r
-\r
- private StartupExtension[] extensions = {};\r
-\r
- public StartupRegistry() {\r
- tracker = new ExtensionTracker();\r
-\r
- // Cache defined actions\r
- IExtensionPoint expt = Platform.getExtensionRegistry().getExtensionPoint(NAMESPACE, EP_NAME);\r
- loadExtensions(expt.getConfigurationElements());\r
-\r
- // Start tracking for new and removed extensions\r
- IFilter filter = ExtensionTracker.createExtensionPointFilter(expt);\r
- tracker.registerHandler(this, filter);\r
- }\r
-\r
- private void loadExtensions(IConfigurationElement[] configurationElements) {\r
- Set<StartupExtension> newExtensions = new HashSet<StartupExtension>(Arrays.asList(extensions));\r
-\r
- // These are all "startup" elements with required attributes\r
- // - class\r
- for (IConfigurationElement el : configurationElements) {\r
- if (STARTUP.equals(el.getName())) {\r
- String clazz = el.getAttribute(StartupExtension.CLASS);\r
- if (clazz == null) {\r
- // No class defined.\r
- continue;\r
- }\r
-\r
- StartupExtension ext = new StartupExtension(el);\r
-\r
- // Start tracking the new extension object, its removal will be notified of\r
- // with removeExtension(extension, Object[]).\r
- tracker.registerObject(el.getDeclaringExtension(), ext, IExtensionTracker.REF_STRONG);\r
-\r
- newExtensions.add(ext);\r
- }\r
- }\r
-\r
- // Atomic assignment\r
- this.extensions = newExtensions.toArray(new StartupExtension[newExtensions.size()]);\r
- }\r
-\r
- @Override\r
- public void addExtension(IExtensionTracker tracker, IExtension extension) {\r
- loadExtensions(extension.getConfigurationElements());\r
- }\r
-\r
- @Override\r
- public void removeExtension(IExtension extension, Object[] objects) {\r
- Set<StartupExtension> newExtensions = new HashSet<StartupExtension>(Arrays.asList(extensions));\r
-\r
- for (Object o : objects) {\r
- tracker.unregisterObject(extension, o);\r
- newExtensions.remove(o);\r
- }\r
-\r
- // Atomic assignment\r
- this.extensions = newExtensions.toArray(new StartupExtension[newExtensions.size()]);\r
- }\r
-\r
- public StartupExtension[] getExtensions() {\r
- return extensions;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2015 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ * Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.internal.startup;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExtension;
+import org.eclipse.core.runtime.IExtensionPoint;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.core.runtime.dynamichelpers.ExtensionTracker;
+import org.eclipse.core.runtime.dynamichelpers.IExtensionChangeHandler;
+import org.eclipse.core.runtime.dynamichelpers.IExtensionTracker;
+import org.eclipse.core.runtime.dynamichelpers.IFilter;
+
+/**
+ * Registry implementation for org.simantics.startup extensions.
+ *
+ * @author Tuukka Lehtonen
+ */
+public class StartupRegistry implements IExtensionChangeHandler {
+
+ private final static String NAMESPACE = "org.simantics";
+ private final static String EP_NAME = "startup";
+ private final static String STARTUP = "startup";
+
+ private final ExtensionTracker tracker;
+
+ private StartupExtension[] extensions = {};
+
+ public StartupRegistry() {
+ tracker = new ExtensionTracker();
+
+ // Cache defined actions
+ IExtensionPoint expt = Platform.getExtensionRegistry().getExtensionPoint(NAMESPACE, EP_NAME);
+ loadExtensions(expt.getConfigurationElements());
+
+ // Start tracking for new and removed extensions
+ IFilter filter = ExtensionTracker.createExtensionPointFilter(expt);
+ tracker.registerHandler(this, filter);
+ }
+
+ private void loadExtensions(IConfigurationElement[] configurationElements) {
+ Set<StartupExtension> newExtensions = new HashSet<StartupExtension>(Arrays.asList(extensions));
+
+ // These are all "startup" elements with required attributes
+ // - class
+ for (IConfigurationElement el : configurationElements) {
+ if (STARTUP.equals(el.getName())) {
+ String clazz = el.getAttribute(StartupExtension.CLASS);
+ if (clazz == null) {
+ // No class defined.
+ continue;
+ }
+
+ StartupExtension ext = new StartupExtension(el);
+
+ // Start tracking the new extension object, its removal will be notified of
+ // with removeExtension(extension, Object[]).
+ tracker.registerObject(el.getDeclaringExtension(), ext, IExtensionTracker.REF_STRONG);
+
+ newExtensions.add(ext);
+ }
+ }
+
+ // Atomic assignment
+ this.extensions = newExtensions.toArray(new StartupExtension[newExtensions.size()]);
+ }
+
+ @Override
+ public void addExtension(IExtensionTracker tracker, IExtension extension) {
+ loadExtensions(extension.getConfigurationElements());
+ }
+
+ @Override
+ public void removeExtension(IExtension extension, Object[] objects) {
+ Set<StartupExtension> newExtensions = new HashSet<StartupExtension>(Arrays.asList(extensions));
+
+ for (Object o : objects) {
+ tracker.unregisterObject(extension, o);
+ newExtensions.remove(o);
+ }
+
+ // Atomic assignment
+ this.extensions = newExtensions.toArray(new StartupExtension[newExtensions.size()]);
+ }
+
+ public StartupExtension[] getExtensions() {
+ return extensions;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff