ResUtils.java :  » UnTagged » androidistant » my » assistant » util » Android Open Source

package my.assistant.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.Properties;
import java.util.Set;

public class ResUtils
{
  private final static String CONF_DIR = "/sdcard/.myAssistant/profile/";
  private final static String CONF_FILE = "/sdcard/.myAssistant/profile/conf";
  private final static Properties prop = new Properties();
  static
  {
    InputStream in = null;
    try
    {
      File dir = new File(CONF_DIR);
      if (dir.exists() == false)
        dir.mkdirs();
      File conf = new File(CONF_FILE);
      if (conf.exists() == false)
        conf.createNewFile();
      in = new FileInputStream(CONF_FILE);
      prop.load(in);
    } catch (Exception e)
    {
      throw new RuntimeException(e.getMessage());
    } finally
    {
      if (in != null)
      {
        try
        {
          in.close();
        } catch (IOException e)
        {
          throw new RuntimeException(e.getMessage());
        }
      }
    }
  }

  public final static boolean getBooleanRes(String key)
  {
    String v = prop.getProperty(key);
    if (v != null)
    {
      return Boolean.valueOf(v);
    }
    return false;
  }

  public final static int getIntRes(String key)
  {
    return Integer.valueOf(getStringRes(key));
  }

  public final static String getStringRes(String key)
  {
    String v = prop.getProperty(key);
    if (v != null)
    {
      return v;
    }
    return "";
  }

  public final static boolean hasKeyPrefix(String keyPrefix)
  {
    Set<Object> keySet = prop.keySet();
    for (Object object : keySet)
    {
      if (String.valueOf(object).startsWith(keyPrefix))
        return true;
    }
    return false;
  }

  public final static void setRes(String key, Object obj, boolean hibernate)
  {
    if (obj instanceof String)
    {
      prop.setProperty(key, (String) obj);
    } else if (obj instanceof boolean[])
    {
      prop.setProperty(key, ArrayUtils.toString((boolean[])obj));
    } else
    {
      prop.setProperty(key, String.valueOf(obj));
    }
    if (hibernate)
    {
      saveConf();
    }
  }

  public final static void setRes(String key, Object obj)
  {
    setRes(key, obj, true);
  }

  public final static void saveConf()
  {
    PrintStream out = null;
    try
    {
      out = new PrintStream(CONF_FILE);
      prop.list(out);
      out.flush();
    } catch (FileNotFoundException e)
    {
      throw new RuntimeException(e.getMessage());
    } finally
    {
      if (out != null)
      {
        out.close();
      }
    }
  }

  public static void delRes(String s)
    {
    Set<Object> keySet;
    boolean has = false;
    while (true)
        {
      has = false;
          keySet = prop.keySet();
          for (Object o : keySet)
          {
            if (o.toString().startsWith(s))
            {
              prop.remove(o);
              has = true;
              break;
            }
          }
          if (has == false)
          {
            break;
          }
        }
    saveConf();
    }
}