-/*******************************************************************************\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.message.internal;\r
-\r
-import java.util.ArrayList;\r
-import java.util.List;\r
-\r
-import org.eclipse.core.runtime.IStatus;\r
-import org.eclipse.core.runtime.ListenerList;\r
-import org.eclipse.core.runtime.OperationCanceledException;\r
-import org.eclipse.core.runtime.Status;\r
-import org.simantics.message.ILogListener;\r
-import org.simantics.message.ILogger;\r
-\r
-/**\r
- * A logger for IStatus instances.\r
- * \r
- * <p>\r
- * Meant to be used by any Simantics UI's for logging messages that should be\r
- * relevant to the user's normal workflow instead of the kinds of\r
- * code-error-like messages that go into the normal eclipse Error Log.\r
- * </p>\r
- * \r
- * <p>\r
- * Use {@link #getDefault()} to get a hold of the singleton instance of Messages\r
- * or even more directly, you can use {@link #defaultLog(IStatus)} to\r
- * effectively perform <code>getDefault().log(status)</code>.\r
- * </p>\r
- * \r
- * <p>\r
- * Originally copied from <code>org.eclipse.core.internal.runtime.Log</code>\r
- * since the code was internal to eclipse and not usable as such. Modifications\r
- * have been made since.\r
- * </p>\r
- * \r
- * @author Tuukka Lehtonen\r
- */\r
-final class Messages implements ILogger {\r
-\r
- /**\r
- * The log listeners.\r
- */\r
- ListenerList listeners = new ListenerList();\r
-\r
- /**\r
- * A queue of messages that have been received before the first listener is\r
- * added.\r
- */\r
- List<IStatus> queue = new ArrayList<IStatus>();\r
-\r
- @Override\r
- public void addLogListener(ILogListener listener) {\r
- synchronized (listeners) {\r
- boolean firstListener = listeners.isEmpty();\r
- listeners.add(listener);\r
- if (firstListener) {\r
- for (IStatus s : queue) {\r
- listener.logging(s, Activator.PLUGIN_ID);\r
- }\r
- queue.clear();\r
- }\r
- }\r
- }\r
-\r
- @Override\r
- public String getName() {\r
- return "Platform Log";\r
- }\r
-\r
- @Override\r
- public void log(IStatus status) {\r
- Object[] ls;\r
- // This synchronizes properly with addLogListener.\r
- synchronized (listeners) {\r
- ls = listeners.getListeners();\r
- }\r
- if (ls.length == 0) {\r
- queue.add(status);\r
- return;\r
- }\r
- for (Object l : ls) {\r
- try {\r
- ((ILogListener) l).logging(status, Activator.PLUGIN_ID);\r
- } catch (Exception e) {\r
- handleException(e);\r
- } catch (LinkageError e) {\r
- handleException(e);\r
- }\r
- }\r
- }\r
-\r
- private void handleException(Throwable e) {\r
- if (!(e instanceof OperationCanceledException)) {\r
- // Got an error while logging. Delegate to Error Log, which is meant\r
- // for errors in the code instead of these user level notifications.\r
- Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Message logging failed, see exception for cause.", e));\r
- }\r
- }\r
-\r
- @Override\r
- public void removeLogListener(ILogListener listener) {\r
- listeners.remove(listener);\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.message.internal;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.ListenerList;
+import org.eclipse.core.runtime.OperationCanceledException;
+import org.eclipse.core.runtime.Status;
+import org.simantics.message.ILogListener;
+import org.simantics.message.ILogger;
+
+/**
+ * A logger for IStatus instances.
+ *
+ * <p>
+ * Meant to be used by any Simantics UI's for logging messages that should be
+ * relevant to the user's normal workflow instead of the kinds of
+ * code-error-like messages that go into the normal eclipse Error Log.
+ * </p>
+ *
+ * <p>
+ * Use {@link #getDefault()} to get a hold of the singleton instance of Messages
+ * or even more directly, you can use {@link #defaultLog(IStatus)} to
+ * effectively perform <code>getDefault().log(status)</code>.
+ * </p>
+ *
+ * <p>
+ * Originally copied from <code>org.eclipse.core.internal.runtime.Log</code>
+ * since the code was internal to eclipse and not usable as such. Modifications
+ * have been made since.
+ * </p>
+ *
+ * @author Tuukka Lehtonen
+ */
+final class Messages implements ILogger {
+
+ /**
+ * The log listeners.
+ */
+ ListenerList listeners = new ListenerList();
+
+ /**
+ * A queue of messages that have been received before the first listener is
+ * added.
+ */
+ List<IStatus> queue = new ArrayList<IStatus>();
+
+ @Override
+ public void addLogListener(ILogListener listener) {
+ synchronized (listeners) {
+ boolean firstListener = listeners.isEmpty();
+ listeners.add(listener);
+ if (firstListener) {
+ for (IStatus s : queue) {
+ listener.logging(s, Activator.PLUGIN_ID);
+ }
+ queue.clear();
+ }
+ }
+ }
+
+ @Override
+ public String getName() {
+ return "Platform Log";
+ }
+
+ @Override
+ public void log(IStatus status) {
+ Object[] ls;
+ // This synchronizes properly with addLogListener.
+ synchronized (listeners) {
+ ls = listeners.getListeners();
+ }
+ if (ls.length == 0) {
+ queue.add(status);
+ return;
+ }
+ for (Object l : ls) {
+ try {
+ ((ILogListener) l).logging(status, Activator.PLUGIN_ID);
+ } catch (Exception e) {
+ handleException(e);
+ } catch (LinkageError e) {
+ handleException(e);
+ }
+ }
+ }
+
+ private void handleException(Throwable e) {
+ if (!(e instanceof OperationCanceledException)) {
+ // Got an error while logging. Delegate to Error Log, which is meant
+ // for errors in the code instead of these user level notifications.
+ Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Message logging failed, see exception for cause.", e));
+ }
+ }
+
+ @Override
+ public void removeLogListener(ILogListener listener) {
+ listeners.remove(listener);
+ }
+
+}
Code Review / simantics / platform.git / blobdiff