/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.util.loging;
import org.eclipse.che.ide.util.ExceptionUtils;
import com.google.gwt.core.client.JavaScriptObject;
/**
* @author <a href="mailto:evidolob@codenvy.com">Evgen Vidolob</a>
* @version $Id:
*/
class BrowserLogger implements Logger {
/** @see org.eclipse.che.ide.util.loging.Logger#debug(java.lang.Class, java.lang.Object[]) */
@Override
public void debug(Class<?> clazz, Object... args) {
// DEBUG is the lowest log level, but we use <= for consistency, and in
// case we ever decide to introduce a SPAM level.
if (LogConfig.getLogLevel().ordinal() <= LogConfig.LogLevel.DEBUG.ordinal()) {
log(clazz, LogConfig.LogLevel.DEBUG, args);
}
}
/** @see org.eclipse.che.ide.util.loging.Logger#error(java.lang.Class, java.lang.Object[]) */
@Override
public void error(Class<?> clazz, Object... args) {
log(clazz, LogConfig.LogLevel.ERROR, args);
}
/** @see org.eclipse.che.ide.util.loging.Logger#info(java.lang.Class, java.lang.Object[]) */
@Override
public void info(Class<?> clazz, Object... args) {
if (LogConfig.getLogLevel().ordinal() <= LogConfig.LogLevel.INFO.ordinal()) {
log(clazz, LogConfig.LogLevel.INFO, args);
}
}
/** @see org.eclipse.che.ide.util.loging.Logger#isLoggingEnabled() */
@Override
public boolean isLoggingEnabled() {
return true;
}
/** @see org.eclipse.che.ide.util.loging.Logger#warn(java.lang.Class, java.lang.Object[]) */
@Override
public void warn(Class<?> clazz, Object... args) {
if (LogConfig.getLogLevel().ordinal() <= LogConfig.LogLevel.WARNING.ordinal()) {
log(clazz, LogConfig.LogLevel.WARNING, args);
}
}
private static native void invokeBrowserLogger(String logFuncName, Object o) /*-{
try {
if ($wnd.console && $wnd.console[logFuncName]) {
$wnd.console[logFuncName](o);
}
} catch (e) {
console.log("EXCEPTION : " + e.message);
}
}-*/;
private static void log(Class<?> clazz, LogConfig.LogLevel logLevel, Object... args) {
String prefix =
new StringBuilder(logLevel.toString()).append(" (").append(clazz.getName()).append("): ").toString();
for (Object o : args) {
if (o instanceof String) {
logToBrowser(logLevel, prefix + (String)o);
} else if (o instanceof Throwable) {
Throwable t = (Throwable)o;
logToBrowser(logLevel, prefix + ExceptionUtils.getStackTraceAsString(t));
} else if (o instanceof JavaScriptObject) {
logToBrowser(logLevel, prefix + "(JSO below)");
logToBrowser(logLevel, o);
} else {
logToBrowser(logLevel, prefix + (o != null ? o.toString() : "(null)"));
}
}
}
private static void logToBrowser(LogConfig.LogLevel logLevel, Object o) {
switch (logLevel) {
case DEBUG:
invokeBrowserLogger("debug", o);
break;
case INFO:
invokeBrowserLogger("info", o);
break;
case WARNING:
invokeBrowserLogger("warn", o);
break;
case ERROR:
invokeBrowserLogger("error", o);
break;
default:
invokeBrowserLogger("log", o);
}
}
}