import java.net.*;
import java.io.*;

class OutFile
{
  private boolean mIsOkay;
	private URL mOutFile;
	private URLConnection mConnection;
	private DataOutputStream mOutData;
	private String mStrLine;
	public OutFile()
	{
	  mIsOkay=false;
	}
	public OutFile(URL resBase,String strHostPathFileName)throws Exception
	{
	  mIsOkay=false;
		open(resBase,strHostPathFileName);
	}
	public OutFile(String strHostPathFileName)throws Exception
	{
	  mIsOkay=false;
		open(strHostPathFileName);
	}
	public OutFile(String resBase,String strHostPathFileName)throws Exception
	{
	  mIsOkay=false;
		open(resBase,strHostPathFileName);
	}
	public void open(URL resBase,String strHostPathFileName)throws Exception
	{
	  close();
		try{mOutFile=new URL(resBase,strHostPathFileName);}
		catch(MalformedURLException exception){throw new Exception();}
		try{mConnection=mOutFile.openConnection();}
		catch(Exception exception){throw new Exception();}
		mConnection.setDoOutput(true);
		try{mOutData=new DataOutputStream(mConnection.getOutputStream());}
		catch(Exception exception){throw new Exception();}
		mIsOkay=true;
	}
	public void open(String resBase,String strHostPathFileName)throws Exception
	{
	  open(resBase+strHostPathFileName);
	}
	public void open(String strHostPathFileName)throws Exception
	{
	  close();
		try{mOutFile=new URL(strHostPathFileName);}
		catch(MalformedURLException exception){throw new Exception();}
		try{mConnection=mOutFile.openConnection();}
		catch(IOException ioException){throw new Exception();}
		mConnection.setDoOutput(true);
		try{mOutData=new DataOutputStream(mConnection.getOutputStream());}
		catch(Exception exception){throw new Exception();}
		mIsOkay=true;
	}
	public void close ()
	{
	  if(!isOkay())return;
		try{mOutData.close();}
		catch(Exception exception){;}
		mIsOkay=false;
	}
	public void flush()throws Exception
	{
	  if(!isOkay())throw new Exception();
		mOutData.flush();
	}

	public void write(String strLine)throws Exception
	{
	  if(!isOkay())throw new Exception();
		mOutData.writeBytes(strLine);
	}
	public void write(double value)throws Exception
	{
	  if(!isOkay())throw new Exception();
	  mOutData.writeDouble(value);
	}
	public void write(int value)throws Exception
	{
	  if(!isOkay())throw new Exception();
	  mOutData.writeInt(value);
	}
	public int size()
	{
	  if(!isOkay())return 0;
	  return mOutData.size();
	}
	public boolean isOkay()
	{
	  return mIsOkay;
	}
};

//	public String readLine()throws Exception
//	{
//	  if(!isOkay())throw new Exception();
//		try{mStrLine=new String(mInData.readLine());}
//		catch(IOException ioException){throw new Exception();}
//		return mStrLine;
//	}
//	public boolean isOkay()
//	{
//	  return mIsOkay;
//	}
//};