-/*******************************************************************************\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.selectionview;\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.utils.strings.StringUtils;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class SelectionProcessorExtensionManager implements IExtensionChangeHandler {\r
-\r
- private final static String NAMESPACE = Activator.PLUGIN_ID;\r
-\r
- private final static String EP_NAME = "selectionProcessor";\r
-\r
- private ExtensionTracker tracker;\r
-\r
- SelectionProcessorExtension[] extensions = new SelectionProcessorExtension[0];\r
-\r
- SelectionProcessorExtensionManager() {\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
- void close() {\r
- tracker.close();\r
- tracker = null;\r
- extensions = new SelectionProcessorExtension[0];\r
- }\r
-\r
- public SelectionProcessorExtension[] getExtensions() {\r
- return extensions;\r
- }\r
-\r
- private void loadExtensions(IConfigurationElement[] elements) {\r
-\r
- Set<SelectionProcessorExtension> newExtensions = new HashSet<SelectionProcessorExtension>(Arrays.asList(extensions));\r
-\r
- for (IConfigurationElement el : elements) {\r
- try {\r
-\r
- String id = StringUtils.safeString(el.getAttribute("id"));\r
- SelectionProcessor<?, ?> factory = (SelectionProcessor<?, ?>) el.createExecutableExtension("class");\r
- SelectionProcessorExtension ext = new SelectionProcessorExtensionImpl(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 " + EP_NAME + " 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 SelectionProcessorExtension[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<SelectionProcessorExtension> newExtensions = new HashSet<SelectionProcessorExtension>(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 SelectionProcessorExtension[newExtensions.size()]);\r
- }\r
-\r
- private static SelectionProcessorExtensionManager INSTANCE;\r
-\r
- public static synchronized SelectionProcessorExtensionManager getInstance() {\r
- if (INSTANCE == null)\r
- INSTANCE = new SelectionProcessorExtensionManager();\r
- return INSTANCE;\r
- }\r
-\r
-\r
- public static synchronized void dispose() {\r
- if (INSTANCE != null) {\r
- INSTANCE.close();\r
- INSTANCE = null;\r
- }\r
- }\r
-\r
- public static SelectionProcessor<?, ?> getProcessor(String id) {\r
- for (SelectionProcessorExtension ext : getInstance().extensions) {\r
- if (ext.getProcessor().getClass().getCanonicalName().equals(id))\r
- return ext.getProcessor();\r
- }\r
- return null;\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.selectionview;
+
+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.utils.strings.StringUtils;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class SelectionProcessorExtensionManager implements IExtensionChangeHandler {
+
+ private final static String NAMESPACE = Activator.PLUGIN_ID;
+
+ private final static String EP_NAME = "selectionProcessor";
+
+ private ExtensionTracker tracker;
+
+ SelectionProcessorExtension[] extensions = new SelectionProcessorExtension[0];
+
+ SelectionProcessorExtensionManager() {
+ 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);
+ }
+
+ void close() {
+ tracker.close();
+ tracker = null;
+ extensions = new SelectionProcessorExtension[0];
+ }
+
+ public SelectionProcessorExtension[] getExtensions() {
+ return extensions;
+ }
+
+ private void loadExtensions(IConfigurationElement[] elements) {
+
+ Set<SelectionProcessorExtension> newExtensions = new HashSet<SelectionProcessorExtension>(Arrays.asList(extensions));
+
+ for (IConfigurationElement el : elements) {
+ try {
+
+ String id = StringUtils.safeString(el.getAttribute("id"));
+ SelectionProcessor<?, ?> factory = (SelectionProcessor<?, ?>) el.createExecutableExtension("class");
+ SelectionProcessorExtension ext = new SelectionProcessorExtensionImpl(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 " + EP_NAME + " extension \"" + el.getName()
+ + "\" with name \"" + el.getAttribute("name") + "\": "
+ + e.getMessage(), e);
+ }
+ }
+
+ // Atomic assignment
+ this.extensions = newExtensions.toArray(new SelectionProcessorExtension[newExtensions.size()]);
+ }
+
+ @Override
+ public void addExtension(IExtensionTracker tracker, IExtension extension) {
+ loadExtensions(extension.getConfigurationElements());
+ }
+
+ @Override
+ public void removeExtension(IExtension extension, Object[] objects) {
+ Set<SelectionProcessorExtension> newExtensions = new HashSet<SelectionProcessorExtension>(Arrays.asList(extensions));
+
+ for (Object o : objects) {
+ tracker.unregisterObject(extension, o);
+ newExtensions.remove(o);
+ }
+
+ // Atomic assignment
+ this.extensions = newExtensions.toArray(new SelectionProcessorExtension[newExtensions.size()]);
+ }
+
+ private static SelectionProcessorExtensionManager INSTANCE;
+
+ public static synchronized SelectionProcessorExtensionManager getInstance() {
+ if (INSTANCE == null)
+ INSTANCE = new SelectionProcessorExtensionManager();
+ return INSTANCE;
+ }
+
+
+ public static synchronized void dispose() {
+ if (INSTANCE != null) {
+ INSTANCE.close();
+ INSTANCE = null;
+ }
+ }
+
+ public static SelectionProcessor<?, ?> getProcessor(String id) {
+ for (SelectionProcessorExtension ext : getInstance().extensions) {
+ if (ext.getProcessor().getClass().getCanonicalName().equals(id))
+ return ext.getProcessor();
+ }
+ return null;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff