Merge tag 'v2.3.20' into testing

[gpl/argeo-jcr.git] / swt / org.argeo.tool.devops.e4 / src / org / argeo / cms / e4 / maintenance / LogDeploymentUi.java

diff --git a/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/e4/maintenance/LogDeploymentUi.java b/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/e4/maintenance/LogDeploymentUi.java
new file mode 100644 (file)
index 0000000..fa5d3da
--- /dev/null
+++ b/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/e4/maintenance/LogDeploymentUi.java
@@ -0,0 +1,73 @@
+package org.argeo.cms.e4.maintenance;
+
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Enumeration;
+import java.util.GregorianCalendar;
+import java.util.TimeZone;
+
+import org.argeo.cms.swt.CmsSwtUtils;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Text;
+import org.osgi.service.log.LogEntry;
+import org.osgi.service.log.LogListener;
+import org.osgi.service.log.LogReaderService;
+
+class LogDeploymentUi extends AbstractOsgiComposite implements LogListener {
+       private static final long serialVersionUID = 590221539553514693L;
+
+       private DateFormat dateFormat = new SimpleDateFormat("MMdd HH:mm");
+
+       private Display display;
+       private Text logDisplay;
+
+       public LogDeploymentUi(Composite parent, int style) {
+               super(parent, style);
+       }
+
+       @Override
+       protected void initUi(int style) {
+               LogReaderService logReader = getService(LogReaderService.class);
+               // FIXME use server push
+               // logReader.addLogListener(this);
+               this.display = getDisplay();
+               this.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+               logDisplay = new Text(this, SWT.WRAP | SWT.MULTI | SWT.READ_ONLY);
+               logDisplay.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+               CmsSwtUtils.markup(logDisplay);
+               Enumeration<LogEntry> logEntries = (Enumeration<LogEntry>) logReader.getLog();
+               while (logEntries.hasMoreElements())
+                       logDisplay.append(printEntry(logEntries.nextElement()));
+       }
+
+       private String printEntry(LogEntry entry) {
+               StringBuilder sb = new StringBuilder();
+               GregorianCalendar calendar = new GregorianCalendar(TimeZone.getDefault());
+               calendar.setTimeInMillis(entry.getTime());
+               sb.append(dateFormat.format(calendar.getTime())).append(' ');
+               sb.append(entry.getMessage());
+               sb.append('\n');
+               return sb.toString();
+       }
+
+       @Override
+       public void logged(LogEntry entry) {
+               if (display.isDisposed())
+                       return;
+               display.asyncExec(() -> {
+                       if (logDisplay.isDisposed())
+                               return;
+                       logDisplay.append(printEntry(entry));
+               });
+               display.wake();
+       }
+
+       // @Override
+       // public void dispose() {
+       // super.dispose();
+       // getService(LogReaderService.class).removeLogListener(this);
+       // }
+}