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      1 /* Copyright (C) 2003 Vladimir Roubtsov. All rights reserved.
      2  *
      3  * This program and the accompanying materials are made available under
      4  * the terms of the Common Public License v1.0 which accompanies this distribution,
      5  * and is available at http://www.eclipse.org/legal/cpl-v10.html
      6  *
      7  * $Id: HTMLWriter.java,v 1.1.1.1 2004/05/09 16:57:41 vlad_r Exp $
      8  */
      9 package com.vladium.emma.report.html.doc;
     10 
     11 import java.io.IOException;
     12 import java.io.Writer;
     13 
     14 import com.vladium.util.IConstants;
     15 import com.vladium.util.asserts.$assert;
     16 import com.vladium.emma.IAppErrorCodes;
     17 import com.vladium.emma.EMMARuntimeException;
     18 
     19 // ----------------------------------------------------------------------------
     20 /**
     21  * @author Vlad Roubtsov, (C) 2003
     22  */
     23 public
     24 final class HTMLWriter
     25 {
     26     // public: ................................................................
     27 
     28     // TODO: add API for indenting
     29 
     30     public HTMLWriter (final Writer out)
     31     {
     32         if (out == null) throw new IllegalArgumentException ("null input: out");
     33 
     34         m_out = out;
     35     }
     36 
     37 
     38     public void write (final String s)
     39     {
     40         if ($assert.ENABLED) $assert.ASSERT (s != null, "s = null");
     41 
     42         if (m_out != null)
     43         {
     44             try
     45             {
     46                 m_out.write (s);
     47             }
     48             catch (IOException ioe)
     49             {
     50                 throw new EMMARuntimeException (IAppErrorCodes.REPORT_IO_FAILURE, ioe);
     51             }
     52         }
     53     }
     54 
     55     public void write (final char c)
     56     {
     57         if (m_out != null)
     58         {
     59             try
     60             {
     61                 m_out.write (c);
     62             }
     63             catch (IOException ioe)
     64             {
     65                 throw new EMMARuntimeException (IAppErrorCodes.REPORT_IO_FAILURE, ioe);
     66             }
     67         }
     68     }
     69 
     70     public void eol ()
     71     {
     72         if (m_out != null)
     73         {
     74             try
     75             {
     76                 m_out.write (IConstants.EOL);
     77             }
     78             catch (IOException ioe)
     79             {
     80                 throw new EMMARuntimeException (IAppErrorCodes.REPORT_IO_FAILURE, ioe);
     81             }
     82         }
     83     }
     84 
     85     public void flush ()
     86     {
     87         if (m_out != null)
     88         {
     89             try
     90             {
     91                 m_out.flush ();
     92             }
     93             catch (IOException ioe)
     94             {
     95                 throw new EMMARuntimeException (IAppErrorCodes.REPORT_IO_FAILURE, ioe);
     96             }
     97         }
     98     }
     99 
    100     public void close ()
    101     {
    102         if (m_out != null)
    103         {
    104             try { m_out.close (); } catch (IOException ignore) {}
    105             m_out = null;
    106         }
    107     }
    108 
    109     // protected: .............................................................
    110 
    111     // package: ...............................................................
    112 
    113     // private: ...............................................................
    114 
    115 
    116     private Writer m_out;
    117 
    118 } // end of class
    119 // ----------------------------------------------------------------------------