-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 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
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.browsing.ui.common.extension.internal;\r
-\r
-import java.util.Arrays;\r
-import java.util.HashSet;\r
-import java.util.Set;\r
-\r
-import org.eclipse.core.runtime.CoreException;\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
-import org.simantics.browsing.ui.common.Activator;\r
-import org.simantics.browsing.ui.common.ErrorLogger;\r
-import org.simantics.browsing.ui.content.Contributor;\r
-import org.simantics.utils.strings.StringUtils;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public abstract class ContributorExtensionManager<Factory> implements IExtensionChangeHandler {\r
-\r
- private final static String NAMESPACE = Activator.PLUGIN_ID;\r
-\r
- private ExtensionTracker tracker;\r
-\r
- @SuppressWarnings("unchecked")\r
- ContributorExtension<Factory>[] extensions = new ContributorExtension[0];\r
-\r
- abstract public String getExtensionPointName();\r
-\r
- ContributorExtensionManager() {\r
- tracker = new ExtensionTracker();\r
-\r
- // Cache defined actions\r
- IExtensionPoint expt = Platform.getExtensionRegistry().getExtensionPoint(NAMESPACE, getExtensionPointName());\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
- @SuppressWarnings("unchecked")\r
- void close() {\r
- tracker.close();\r
- tracker = null;\r
- extensions = new ContributorExtension[0];\r
- }\r
-\r
- public ContributorExtension<Factory>[] getExtensions() {\r
- return extensions;\r
- }\r
-\r
- @SuppressWarnings("unchecked")\r
- private void loadExtensions(IConfigurationElement[] elements) {\r
-\r
- Set<ContributorExtension<Factory>> newExtensions = new HashSet<ContributorExtension<Factory>>(Arrays.asList(extensions));\r
-\r
- for (IConfigurationElement el : elements) {\r
- try {\r
-\r
- String id = StringUtils.safeString(el.getAttribute("id"));\r
- Contributor<Factory> factory = (Contributor<Factory>)el.createExecutableExtension("class");\r
- ContributorExtension<Factory> ext = new ContributorExtensionImpl<Factory>(id, factory);\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
- } catch (CoreException e) {\r
- ErrorLogger.defaultLogError("Failed to initialize " + getExtensionPointName() + " extension \"" + el.getName()\r
- + "\" with name \"" + el.getAttribute("name") + "\": "\r
- + e.getMessage(), e);\r
- }\r
- }\r
-\r
- // Atomic assignment\r
- this.extensions = newExtensions.toArray(new ContributorExtension[newExtensions.size()]);\r
- }\r
-\r
- @Override\r
- public void addExtension(IExtensionTracker tracker, IExtension extension) {\r
- loadExtensions(extension.getConfigurationElements());\r
- }\r
-\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public void removeExtension(IExtension extension, Object[] objects) {\r
- Set<ContributorExtension<Factory>> newExtensions = new HashSet<ContributorExtension<Factory>>(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 ContributorExtension[newExtensions.size()]);\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.common.extension.internal;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.eclipse.core.runtime.CoreException;
+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;
+import org.simantics.browsing.ui.common.Activator;
+import org.simantics.browsing.ui.common.ErrorLogger;
+import org.simantics.browsing.ui.content.Contributor;
+import org.simantics.utils.strings.StringUtils;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public abstract class ContributorExtensionManager<Factory> implements IExtensionChangeHandler {
+
+ private final static String NAMESPACE = Activator.PLUGIN_ID;
+
+ private ExtensionTracker tracker;
+
+ @SuppressWarnings("unchecked")
+ ContributorExtension<Factory>[] extensions = new ContributorExtension[0];
+
+ abstract public String getExtensionPointName();
+
+ ContributorExtensionManager() {
+ tracker = new ExtensionTracker();
+
+ // Cache defined actions
+ IExtensionPoint expt = Platform.getExtensionRegistry().getExtensionPoint(NAMESPACE, getExtensionPointName());
+ loadExtensions(expt.getConfigurationElements());
+
+ // Start tracking for new and removed extensions
+ IFilter filter = ExtensionTracker.createExtensionPointFilter(expt);
+ tracker.registerHandler(this, filter);
+ }
+
+ @SuppressWarnings("unchecked")
+ void close() {
+ tracker.close();
+ tracker = null;
+ extensions = new ContributorExtension[0];
+ }
+
+ public ContributorExtension<Factory>[] getExtensions() {
+ return extensions;
+ }
+
+ @SuppressWarnings("unchecked")
+ private void loadExtensions(IConfigurationElement[] elements) {
+
+ Set<ContributorExtension<Factory>> newExtensions = new HashSet<ContributorExtension<Factory>>(Arrays.asList(extensions));
+
+ for (IConfigurationElement el : elements) {
+ try {
+
+ String id = StringUtils.safeString(el.getAttribute("id"));
+ Contributor<Factory> factory = (Contributor<Factory>)el.createExecutableExtension("class");
+ ContributorExtension<Factory> ext = new ContributorExtensionImpl<Factory>(id, factory);
+
+ // 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);
+ } catch (CoreException e) {
+ ErrorLogger.defaultLogError("Failed to initialize " + getExtensionPointName() + " extension \"" + el.getName()
+ + "\" with name \"" + el.getAttribute("name") + "\": "
+ + e.getMessage(), e);
+ }
+ }
+
+ // Atomic assignment
+ this.extensions = newExtensions.toArray(new ContributorExtension[newExtensions.size()]);
+ }
+
+ @Override
+ public void addExtension(IExtensionTracker tracker, IExtension extension) {
+ loadExtensions(extension.getConfigurationElements());
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public void removeExtension(IExtension extension, Object[] objects) {
+ Set<ContributorExtension<Factory>> newExtensions = new HashSet<ContributorExtension<Factory>>(Arrays.asList(extensions));
+
+ for (Object o : objects) {
+ tracker.unregisterObject(extension, o);
+ newExtensions.remove(o);
+ }
+
+ // Atomic assignment
+ this.extensions = newExtensions.toArray(new ContributorExtension[newExtensions.size()]);
+ }
+
+}