use of org.pentaho.di.core.logging.HasLogChannelInterface in project pdi-dataservice-server-plugin by pentaho.
the class DataServiceTestLogBrowser method attachToLogBrowser.
public void attachToLogBrowser(final LogChannelInterface logChannel) {
initStyledText(parentComposite);
LogBrowser logBrowser = new LogBrowser(logText, new LogParentProvidedInterface() {
@Override
public HasLogChannelInterface getLogChannelProvider() {
return new HasLogChannelInterface() {
@Override
public LogChannelInterface getLogChannel() {
return logChannel;
}
};
}
});
logBrowser.installLogSniffer();
}
use of org.pentaho.di.core.logging.HasLogChannelInterface in project pentaho-kettle by pentaho.
the class LogBrowser method installLogSniffer.
public void installLogSniffer() {
// Create a new buffer appender to the log and capture that directly...
//
final AtomicInteger lastLogId = new AtomicInteger(-1);
final AtomicBoolean busy = new AtomicBoolean(false);
final KettleLogLayout logLayout = new KettleLogLayout(true);
final Color colorBlue = GUIResource.getInstance().getColorBlue();
final Color colorRed = GUIResource.getInstance().getColorRed();
final int LOG_LINE_ESTIMATED_SIZE = 150;
final int MAX_NR_LOG_LINES_CHUNK = 150;
// Refresh the log every second or so
//
final Timer logRefreshTimer = new Timer("log sniffer Timer");
TimerTask timerTask = new TimerTask() {
public void run() {
if (text.isDisposed() || text.getDisplay().isDisposed()) {
return;
}
text.getDisplay().asyncExec(new Runnable() {
public void run() {
HasLogChannelInterface provider = logProvider.getLogChannelProvider();
if (provider != null && !text.isDisposed() && !busy.get() && !paused.get() && text.isVisible()) {
busy.set(true);
LogChannelInterface logChannel = provider.getLogChannel();
String parentLogChannelId = logChannel.getLogChannelId();
LoggingRegistry registry = LoggingRegistry.getInstance();
Date registryModDate = registry.getLastModificationTime();
if (childIds == null || lastLogRegistryChange == null || registryModDate.compareTo(lastLogRegistryChange) > 0) {
lastLogRegistryChange = registry.getLastModificationTime();
childIds = LoggingRegistry.getInstance().getLogChannelChildren(parentLogChannelId);
}
// See if we need to log any lines...
//
int lastNr = KettleLogStore.getLastBufferLineNr();
if (lastNr > lastLogId.get()) {
// Sometimes there're so many lines to log at one time that the application goes unresponsive
// until all log entries are handled...
// Let's limit the lines handled, leaving the rest for the next time the timer fires...
lastNr = Math.min(lastNr, lastLogId.get() + MAX_NR_LOG_LINES_CHUNK);
List<KettleLoggingEvent> logLines = KettleLogStore.getLogBufferFromTo(childIds, true, lastLogId.get(), lastNr);
synchronized (text) {
for (KettleLoggingEvent event : logLines) {
String line = logLayout.format(event).trim();
int start = text.getText().length();
int length = line.length();
if (length > 0) {
Format format = TextFormatter.getInstance().execute(line);
String theRealText = format.getText();
// The formatting may have change the original text and its length
length = theRealText.length();
text.append(theRealText);
text.append(Const.CR);
for (StyleRange styleRange : format.getStyleRanges()) {
styleRange.start += start;
text.setStyleRange(styleRange);
}
StyleRange styleRange = new StyleRange();
styleRange.start = start;
if (event.getLevel() == LogLevel.ERROR) {
styleRange.foreground = colorRed;
styleRange.length = length;
} else {
styleRange.foreground = colorBlue;
styleRange.length = Math.min(20, length);
}
text.setStyleRange(styleRange);
}
}
}
// The maximum size of the log buffer
//
int maxSize = Props.getInstance().getMaxNrLinesInLog() * LOG_LINE_ESTIMATED_SIZE;
// Erase it all in one go
// This makes it a bit more efficient
//
int size = text.getText().length();
if (maxSize > 0 && size > maxSize) {
int dropIndex = (text.getText().indexOf(Const.CR, size - maxSize)) + Const.CR.length();
text.replaceTextRange(0, dropIndex, "");
}
text.setSelection(text.getText().length());
lastLogId.set(lastNr);
}
busy.set(false);
}
}
});
}
};
// Refresh every often enough
//
logRefreshTimer.schedule(timerTask, Const.toInt(EnvUtil.getSystemProperty(Const.KETTLE_LOG_TAB_REFRESH_DELAY), 1000), Const.toInt(EnvUtil.getSystemProperty(Const.KETTLE_LOG_TAB_REFRESH_PERIOD), 1000));
text.addListener(SWT.MouseDown, e -> {
try {
int offset = text.getOffsetAtLocation(new Point(e.x, e.y));
StyleRange style = text.getStyleRangeAtOffset(offset);
if (style != null && style.underline && style.underlineStyle == SWT.UNDERLINE_LINK) {
if (Desktop.isDesktopSupported()) {
Desktop.getDesktop().browse(new URI((String) style.data));
}
}
} catch (Exception ex) {
// no character under event.x, event.y
}
});
// Make sure the timer goes down when the widget is disposed
//
text.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent event) {
logRefreshTimer.cancel();
}
});
final Menu menu = new Menu(text);
MenuItem item = new MenuItem(menu, SWT.NONE);
item.setText(BaseMessages.getString(PKG, "LogBrowser.CopySelectionToClipboard.MenuItem"));
item.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent event) {
String selection = text.getSelectionText();
if (!Utils.isEmpty(selection)) {
GUIResource.getInstance().toClipboard(selection);
}
}
});
text.setMenu(menu);
text.addMouseListener(new MouseAdapter() {
@Override
public void mouseDown(MouseEvent event) {
if (event.button == 3) {
ConstUI.displayMenu(menu, text);
}
}
});
}
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