How to use

LogContext

in

org.jfree.util

/**
 * A convenience method for logging a 'debug' message.
 *
 * @param message the message.
 * @param e       the exception.
 */
public void debug(final Object message, final Exception e) {
  log(LogTarget.DEBUG, message, e);
}

if (logger.isDebugEnabled()) {
  logger.debug("TextBoundsAnchorOffsets = " + textAdj[0] + ", "
      + textAdj[1]);
if (logger.isDebugEnabled()) {
  logger.debug("RotationAnchorOffsets = " + rotateAdj[0] + ", "
      + rotateAdj[1]);

/**
 * Creates a log context.
 * 
 * @param context  the name of the logging context (a common prefix).
 * 
 * @return A log context.
 */
protected LogContext internalCreateContext(final String context) {
  synchronized (this) {
    LogContext ctx = (LogContext) this.logContexts.get(context);
    if (ctx == null) {
      ctx = new LogContext(context);
      this.logContexts.put(context, ctx);
    }
    return ctx;
  }
}
 

if (logger.isDebugEnabled()) {
  logger.debug("TextBoundsAnchorOffsets = " + textAdj[0] + ", "
      + textAdj[1]);
if (logger.isDebugEnabled()) {
  logger.debug("RotationAnchorOffsets = " + rotateAdj[0] + ", "
      + rotateAdj[1]);

/**
 * Creates a log context.
 * 
 * @param context  the name of the logging context (a common prefix).
 * 
 * @return A log context.
 */
protected LogContext internalCreateContext(final String context) {
  synchronized (this) {
    LogContext ctx = (LogContext) this.logContexts.get(context);
    if (ctx == null) {
      ctx = new LogContext(context);
      this.logContexts.put(context, ctx);
    }
    return ctx;
  }
}
 

/**
 * A convenience method for logging an 'error' message.
 *
 * @param message the message.
 */
public void error(final Object message) {
  log(LogTarget.ERROR, message);
}

if (logger.isDebugEnabled()) {
  logger.debug("TextBoundsAnchorOffsets = " + textAdj[0] + ", " 
      + textAdj[1]);
if (logger.isDebugEnabled()) {
  logger.debug("RotationAnchorOffsets = " + rotateAdj[0] + ", " 
      + rotateAdj[1]);

/**
 * Creates a log context.
 * 
 * @param context  the name of the logging context (a common prefix).
 * 
 * @return A log context.
 */
protected LogContext internalCreateContext(final String context) {
  synchronized (this) {
    LogContext ctx = (LogContext) this.logContexts.get(context);
    if (ctx == null) {
      ctx = new LogContext(context);
      this.logContexts.put(context, ctx);
    }
    return ctx;
  }
}
 

/**
 * A convenience method for logging a 'debug' message.
 *
 * @param message the message.
 */
public void debug(final Object message) {
  log(LogTarget.DEBUG, message);
}

final double width = fm.stringWidth(text);
final double height = fm.getHeight();
if (logger.isDebugEnabled()) {
  logger.debug("Height = " + height);

/**
 * A convenience method for logging an 'info' message.
 *
 * @param message the message.
 * @param e       the exception.
 */
public void info(final Object message, final Exception e) {
  log(LogTarget.INFO, message, e);
}

final double width = fm.stringWidth(text);
final double height = fm.getHeight();
if (logger.isDebugEnabled()) {
  logger.debug("Height = " + height);

/**
 * A convenience method for logging a 'warning' message.
 *
 * @param message the message.
 * @param e       the exception.
 */
public void warn(final Object message, final Exception e) {
  log(LogTarget.WARN, message, e);
}

double width = fm.stringWidth(text);
double height = fm.getHeight();
if (logger.isDebugEnabled()) {
  logger.debug("Height = " + height);

/**
 * A convenience method for logging an 'info' message.
 *
 * @param message the message.
 * @param e       the exception.
 */
public void info(final Object message, final Exception e) {
  log(LogTarget.INFO, message, e);
}

/**
 * A convenience method for logging a 'warning' message.
 *
 * @param message the message.
 */
public void warn(final Object message) {
  log(LogTarget.WARN, message);
}

/**
 * A convenience method for logging an 'info' message.
 *
 * @param message the message.
 */
public void info(final Object message) {
  log(LogTarget.INFO, message);
}

/**
 * A convenience method for logging a 'warning' message.
 *
 * @param message the message.
 * @param e       the exception.
 */
public void warn(final Object message, final Exception e) {
  log(LogTarget.WARN, message, e);
}

/**
 * A convenience method for logging an 'error' message.
 *
 * @param message the message.
 */
public void error(final Object message) {
  log(LogTarget.ERROR, message);
}

/**
 * A convenience method for logging a 'warning' message.
 *
 * @param message the message.
 */
public void warn(final Object message) {
  log(LogTarget.WARN, message);
}