/********************
 * 2004 Jalview Reengineered
 * Barton Group
 * Dundee University
 *
 * AM Waterhouse
 *******************/


package jalview.bin;
import java.util.*;
import java.io.*;

import java.util.jar.*;
public class Cache
{
  public static String  VERSION = "ß test";
  public static String  BUILD_DATE = "1-1-2005";

  public static Properties applicationProperties;
  // Current properties include:
  //
  // LAST_DIRECTORY   , use this to cache record of where the user looked to find a file
  // UNIPROT_CACHE
  // USER_DEFINED_COLOUR - file describing last user set colours
  // FONT_NAME
  // FONT_STYLE
  // FONT_SIZE
  // logs.Axis.Level - one of the stringified Levels for log4j controlling the logging level for axis (used for web services)

  public static void loadProperties()
  {
    // get last build time.
    long date = 0;
    try{
          String localFile = Cache.class.getProtectionDomain().getCodeSource().getLocation().toString();
          localFile = localFile.concat("!/");
          String tmpString = "jar:";
          String localJarFileString = tmpString.concat(localFile);
          java.net.URL localJarFileURL = new java.net.URL(localJarFileString);
          java.net.JarURLConnection localJarFile = (java.net.JarURLConnection)localJarFileURL.openConnection();
          date = localJarFile.getLastModified();
    }catch(Exception ex){ex.printStackTrace();}
    if(date==0)
    {
      // this is called for unpackaged class files.
      // not entirely accurate as it only tells you when Cache.class was last compiled
      java.net.URL url = Cache.class.getResource("/jalview/bin/Cache.class");
      java.io.File f = new java.io.File(url.getFile());
      date = f.lastModified();
    }

    BUILD_DATE = new Date( date ).toString();



    applicationProperties = new Properties();

    try
    {
      FileInputStream in = new FileInputStream(System.getProperty("user.home") +
                                               "/.jalview_properties");
      applicationProperties = new Properties();
      applicationProperties.load(in);
      in.close();
    }
    catch (Exception ex)
    { }
  }

  public static String getProperty(String key)
  {
    return  applicationProperties.getProperty(key);
  }

  public static String setProperty(String key, String obj)
  {
    try
    {
      FileOutputStream out = new FileOutputStream(System.getProperty(
          "user.home") + "/.jalview_properties");

      applicationProperties.setProperty(key, obj);

      applicationProperties.store(out, "---JalviewX Properties File---");
      out.close();
    }
    catch (Exception ex)
    {}

    return obj;

  }





}