logex.java

vc ADO 连接数据库

import com.ms.com.*;
import java.awt.*;
import msado15.*;


class LogEx
{
    private String Errors[];
    private int    ErrorsCnt;

    public void Log( String s )
    {
        // Test length of string
        if ( s.length() == 0 )
            return;

        // Add string to open slot
        for ( int i = 0; i < ErrorsCnt; i++ )
        {
            // If we find an empty slot
            if ( Errors[i].length() == 0 )
            {
                Errors[i] = s;
                return;
            }
        }
    }

    // Empty Array of Errors
    public void LogReset()
    {
        for( int i = 0; i < ErrorsCnt; i++ )
        {
            Errors[i] = "";
        }
    }

    public void LogDisplay( List List1 )
    {
        // Add string to open slot
        for ( int i = 0; i < ErrorsCnt; i++ )
        {
            // If we find an empty slot
            if ( Errors[i].length() > 0 )
            {
                List1.addItem( Errors[i] );
            }
        }
    }

    public void LogException( Exception e )
    {
        Log( "Exception Class Raised:" );
        Log( "     Exception Class = " + e.getClass()   );
        Log( "     Error Message   = " + e.getMessage() );
    }

    public void LogException( com.ms.com.ComFailException e )
    {
        Log( "ComFailException Class Raised:" );
        Log( "     Exception Class = " + e.getClass()   );
	    Log( "     Error Message   = " + e.getMessage() );
	    Log( "     Failed HRESULT  = " + e.getHResult() ); 
    }

    public void init()
    {
        ErrorsCnt = 255;
        Errors    = new String[255];
        for( int i = 0; i < ErrorsCnt; i++ )
        {
			Errors[i] = new String();
        }
    }

    public void destroy()
    {
        for( int i = 0; i < ErrorsCnt; i++ )
        {
			if ( Errors[i] != null ) Errors[i] = null;
        }
    }
}