LoggerTableImportEventHandler.java

package fr.openwide.core.imports.table.common.event;

import org.slf4j.Logger;

import fr.openwide.core.imports.table.common.event.TableImportEvent.ExcelImportErrorEvent;
import fr.openwide.core.imports.table.common.event.TableImportEvent.ExcelImportInfoEvent;
import fr.openwide.core.imports.table.common.event.formatter.ITableImportEventMessageFormatter;
import fr.openwide.core.imports.table.common.event.formatter.Slf4jTableImportEventMessageFormatter;
import fr.openwide.core.imports.table.common.location.TableImportLocation;

/**
 * A event handler that will add errors to a {@link Logger} and may (or may not, depending on constructor parameters) delay exception throwing until {@link #checkNoErrorOccurred()} is called.
 * <p><strong>CAUTION:</string> when using this event handler, {@link #checkNoErrorOccurred()} MUST be called before attempting any action based on the imported data.
 * Doing otherwise will result in corrupted data.
 */
public class LoggerTableImportEventHandler extends AbstractRecordingTableImportEventHandler {
	
	private final Logger logger;
	
	public LoggerTableImportEventHandler(Logger logger) {
		this(new Slf4jTableImportEventMessageFormatter(), logger);
	}
	
	public LoggerTableImportEventHandler(TableImportNonFatalErrorHandling errorHandling, Logger logger) {
		this(errorHandling, new Slf4jTableImportEventMessageFormatter(), logger);
	}
	
	public LoggerTableImportEventHandler(ITableImportEventMessageFormatter formatter, Logger logger) {
		this(TableImportNonFatalErrorHandling.THROW_ON_CHECK, formatter, logger);
	}
	
	public LoggerTableImportEventHandler(TableImportNonFatalErrorHandling errorHandling, ITableImportEventMessageFormatter formatter, Logger logger) {
		super(errorHandling, formatter);
		this.logger = logger;
	}
	
	@Override
	protected void record(ExcelImportErrorEvent event, TableImportLocation location, String formattedMessage) {
		logger.error(formattedMessage);
	}
	
	@Override
	protected void record(ExcelImportInfoEvent event, TableImportLocation location, String formattedMessage) {
		if (TableImportEvent.WARNING.equals(event)) {
			logger.warn(formattedMessage);
		} else if (TableImportEvent.DEBUG.equals(event)) {
			logger.debug(formattedMessage);
		} else {
			logger.info(formattedMessage);
		}
	}

}