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import java.io.File;
import java.io.FileReader;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Properties;
/** Load from and save options into a file.
*/
class Options
extends Properties
{
static public Options Instance ()
{
if (saOptions == null)
saOptions = new Options ();
return saOptions;
}
static public void SetString (String sName, String sValue)
{
Instance().setProperty (sName, sValue);
}
static public String GetString (String sName)
{
return Instance().getProperty (sName);
}
static public void SetBoolean (String sName, boolean bValue)
{
Instance().setProperty (sName, Boolean.toString(bValue));
}
static public boolean GetBoolean (String sName)
{
return Boolean.getBoolean(Instance().getProperty (sName));
}
static public void SetInteger (String sName, int nValue)
{
Instance().setProperty (sName, Integer.toString(nValue));
}
static public int GetInteger (String sName, int nDefault)
{
String sValue = Instance().getProperty (sName);
if (sValue == null)
return nDefault;
else
return Integer.parseInt (sValue);
}
public void Load (String sBaseName)
{
try
{
load (new FileInputStream (ProvideFile(sBaseName)));
}
catch (java.io.IOException e)
{
// Ignore a non-existing options file.
}
}
public void Save (String sBaseName)
{
try
{
store (new FileOutputStream (ProvideFile(sBaseName)), null);
}
catch (java.io.IOException e)
{
}
}
private Options ()
{
}
private File ProvideFile (String sBaseName)
{
return new File (
System.getProperty ("user.home"),
sBaseName);
}
static private Options saOptions = null;
}
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