Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.message / src / org / simantics / message / internal / LogWriter.java

diff --git a/bundles/org.simantics.message/src/org/simantics/message/internal/LogWriter.java b/bundles/org.simantics.message/src/org/simantics/message/internal/LogWriter.java
new file mode 100644 (file)
index 0000000..6383640
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+++ b/bundles/org.simantics.message/src/org/simantics/message/internal/LogWriter.java
@@ -0,0 +1,91 @@
+/*******************************************************************************\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
+/*******************************************************************************
+ * Copyright (c) 2000, 2006 IBM Corporation 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.simantics.message.internal;
+
+import java.util.ArrayList;\r
+\r
+import org.eclipse.core.runtime.CoreException;\r
+import org.eclipse.core.runtime.IStatus;\r
+import org.eclipse.osgi.framework.log.FrameworkLog;\r
+import org.eclipse.osgi.framework.log.FrameworkLogEntry;\r
+import org.simantics.message.IDetailStatus;\r
+import org.simantics.message.ILogListener;\r
+
+/**
+ * A log writer that writes log entries. See PlatformLogReader for reading logs
+ * back into memory.
+ * <p>
+ * Note that this class just provides a bridge from the old ILog interface to
+ * the OSGi FrameworkLog interface.
+ * </p>
+ * 
+ * <p>
+ * Copied from <code>org.eclipse.core.internal.runtime.PlatformLogWriter</code>
+ * since the code was internal to eclipse. Support for {@link IDetailStatus} has
+ * been added.
+ * </p>
+ */
+public class LogWriter implements ILogListener {
+    private final FrameworkLog frameworkLog;
+
+    public LogWriter(FrameworkLog frameworkLog) {
+        this.frameworkLog = frameworkLog;
+    }
+
+    /**
+     * @see ILogListener#logging(IStatus, String)
+     */
+    public synchronized void logging(IStatus status, String plugin) {
+        frameworkLog.log(getLog(status));
+    }
+
+    protected FrameworkLogEntry getLog(IStatus status) {
+        Throwable t = status.getException();
+        ArrayList<FrameworkLogEntry> childlist = new ArrayList<FrameworkLogEntry>();
+
+        int stackCode = t instanceof CoreException ? 1 : 0;
+        // ensure a substatus inside a CoreException is properly logged
+        if (stackCode == 1) {
+            IStatus coreStatus = ((CoreException) t).getStatus();
+            if (coreStatus != null) {
+                childlist.add(getLog(coreStatus));
+            }
+        }
+
+        if (status.isMultiStatus()) {
+            IStatus[] children = status.getChildren();
+            for (int i = 0; i < children.length; i++) {
+                childlist.add(getLog(children[i]));
+            }
+        }
+
+        FrameworkLogEntry[] children = (childlist.size() == 0 ? null : childlist.toArray(new FrameworkLogEntry[childlist.size()]));
+
+        String message = status.getMessage();
+        if (status instanceof IDetailStatus) {
+            IDetailStatus ds = (IDetailStatus) status;
+            message = message + "\n!DETAILS " + ds.getDetailedDescription();
+        }
+
+        return new FrameworkLogEntry(status.getPlugin(), status.getSeverity(), status.getCode(), message, stackCode, t, children);
+    }
+}