Initial

java/COUNTER/Infile.java

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+import java.net.*;
+import java.io.*;
+
+class InFile 
+{
+  private boolean mIsOkay;
+	private URL mInFile;
+	private URLConnection mConnection;
+	private DataInputStream mInData;
+	private String mStrLine;
+
+  public InFile()
+	{
+	  mIsOkay=false;
+	}
+	public InFile(URL resBase,String strHostPathFileName)throws Exception
+	{
+	  mIsOkay=false;
+	  open(resBase,strHostPathFileName);
+	}
+	public InFile(String strHostPathFileName)throws Exception
+	{
+	  mIsOkay=false;
+		open(strHostPathFileName);
+	}
+	public InFile(String resBase,String strHostPathFileName)throws Exception
+	{
+	  mIsOkay=false;
+		open(resBase,strHostPathFileName);
+	}
+	public void open(URL resBase,String strHostPathFileName)throws Exception
+	{
+	  close();
+		try{mInFile=new URL(resBase,strHostPathFileName);}
+		catch(MalformedURLException exception){throw new Exception();}
+		try{mConnection=mInFile.openConnection();}
+		catch(Exception exception){throw new Exception();}
+		try{mInData=new DataInputStream(mConnection.getInputStream());}
+		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{mInFile=new URL(strHostPathFileName);}
+		catch(MalformedURLException exception){throw new Exception();}
+		try{mConnection=mInFile.openConnection();}
+		catch(IOException ioException){throw new Exception();}
+		try{mInData=new DataInputStream(mConnection.getInputStream());}
+		catch(Exception exception){throw new Exception();}
+		mIsOkay=true;
+	}
+	public void close()
+	{
+	  if(!isOkay())return;
+		try{mInData.close();}
+		catch(Exception exception){;}
+		mIsOkay=false;
+	}
+	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;
+	}
+};