Application: gvSIG desktop » gvSIG tools: ToolBox

package es.unex.sextante.gui.toolbox;

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;

import java.io.Writer;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Set;

import es.unex.sextante.core.GeoAlgorithm;

import es.unex.sextante.core.Sextante;

import es.unex.sextante.gui.core.SextanteGUI;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class AlgorithmGroupsOrganizer {

    private static final Logger LOG = LoggerFactory.getLogger(AlgorithmGroupsOrganizer.class);

   private static HashMap<String, AlgorithmGroupConfiguration> m_Map = null;

    private static void readConfigFile() {

        BufferedReader input = null;

        String fname = "(unknow)";

        try {

            fname = getConfigFile();

            File ffile = new File(fname);

            if (!ffile.exists()) {

                return;

            }

            FileReader freader = new FileReader(fname);

            input = new BufferedReader(freader);

            String sLine = null;

            while ((sLine = input.readLine()) != null) {

                final String[] sTokens = sLine.split("@");

                String sName = "(unknow)";

                try {

                    sName = sTokens[0];

                    final AlgorithmGroupConfiguration conf = AlgorithmGroupConfiguration.fromString(sTokens[1]);

                    if (conf != null) {

                        getGrouppingMap().put(sName, conf);

                    }

                } catch (final Exception e) {

                    LOG.warn("Can't read configuration of '"+sName+"'.", e);

                }

            }

        } catch (final Exception e) {

            LOG.warn("Can't read config file '"+fname+"'.",e);

        } finally {

            try {

                if (input != null) {

                    input.close();

                }

            } catch (final IOException e) {

                Sextante.addErrorToLog(e);

            }

        }

    }

   public static void saveSettings() {

      Writer output = null;

      try {

         output = new BufferedWriter(new FileWriter(getConfigFile()));

         final Set<String> set = getGrouppingMap().keySet();

         final Iterator<String> iter = set.iterator();

         while (iter.hasNext()) {

            final String sKey = iter.next();

            final AlgorithmGroupConfiguration conf = getGrouppingMap().get(sKey);

            output.write(sKey + "@" + conf.toString() + "\n");

         }

      }

      catch (final IOException e) {

         Sextante.addErrorToLog(e);

      }

      finally {

         if (output != null) {

            try {

               output.close();

            }

            catch (final IOException e) {

               Sextante.addErrorToLog(e);

            }

         }

      }

   }

   public static HashMap<String, AlgorithmGroupConfiguration> getGrouppingMap() {

      if( m_Map == null ) { 

        m_Map = new HashMap<String, AlgorithmGroupConfiguration>();

        readConfigFile();

      }

      return m_Map;

   }

   private static String getConfigFile() {

//      String sPath = System.getProperty("user.home") + File.separator + "sextante";

      String sPath = SextanteGUI.getSextanteHomePath();

      sPath = sPath + File.separator + "sextante_alg_groups.settings";

      return sPath;

   }

   public static void setConfiguration(final HashMap<String, AlgorithmGroupConfiguration> map) {

      m_Map = map;

   }

   public static AlgorithmGroupConfiguration getGroupConfiguration(final GeoAlgorithm alg) {

      return getGrouppingMap().get(alg.getCommandLineName());

   }

   public static void restore() {

      getGrouppingMap().clear();

   }

}