Application: gvSIG desktop » gvSIG tools: ToolBox

package es.unex.sextante.core;

import java.util.ArrayList;

import java.util.Date;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * A Handler that outputs to the SEXTANTE log file, and also provides some additional methods to access log messages.

 */

public class SextanteLogHandler {

   private static final Logger m_Logger = LoggerFactory.getLogger(SextanteLogHandler.class);

   ArrayList<LogElement> logElements = new ArrayList<LogElement>();

   public SextanteLogHandler() {

      super();

   }

   public void addError(final String sMessage) {

           m_Logger.warn(sMessage);

      final Date todaysDate = new java.util.Date();

      final LogElement le = new LogElement(todaysDate, sMessage, LogElement.ERROR);

      logElements.add(le);

   }

   public void addError(final Throwable e) {

           m_Logger.warn("", e);

      final StringBuffer sb = new StringBuffer(e.toString());

      StackTraceElement[] trace = e.getStackTrace();

      for (int i = 0; i < trace.length; i++) {

         sb.append("\tat " + trace[i] + "\n");

      }

      final Throwable ourCause = e.getCause();

      sb.append("Caused by: " + this);

      if (ourCause != null) {

         trace = ourCause.getStackTrace();

         for (int i = 0; i < trace.length; i++) {

            sb.append("\tat " + trace[i] + "\n");

         }

      }

      final Date todaysDate = new java.util.Date();

      final LogElement le = new LogElement(todaysDate, sb.toString(), e.toString(), LogElement.ERROR);

      logElements.add(le);

   }

   public void addWarning(final String sMessage) {

          m_Logger.warn(sMessage);

      final Date todaysDate = new java.util.Date();

      final LogElement le = new LogElement(todaysDate, sMessage, LogElement.WARNING);

      logElements.add(le);

   }

   public void addInfo(final String sMessage) {

           m_Logger.info(sMessage);

      final Date todaysDate = new java.util.Date();

      final LogElement le = new LogElement(todaysDate, sMessage, LogElement.INFO);

      logElements.add(le);

   }

   public void close() throws SecurityException {

   }

   public ArrayList<LogElement> getLogElements() {

      return logElements;

   }

   public void clear() {

      logElements.clear();

   }

   public void addToLog(final String sMessage,

                        final String sType,

                        final String sShortMessage) {

      final Date todaysDate = new java.util.Date();

      final LogElement le = new LogElement(todaysDate, sMessage, sShortMessage, sType);

      logElements.add(le);

      m_Logger.info(le.getAsText());

   }

}