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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: mergeCommand.java,v 1.1.1.1.2.1 2004/07/16 23:32:29 vlad_r Exp $
      8  */
      9 package com.vladium.emma.data;
     10 
     11 import java.io.IOException;
     12 
     13 import com.vladium.util.ClassLoaderResolver;
     14 import com.vladium.util.args.IOptsParser;
     15 import com.vladium.emma.Command;
     16 import com.vladium.emma.IAppConstants;
     17 import com.vladium.emma.IAppErrorCodes;
     18 import com.vladium.emma.EMMARuntimeException;
     19 
     20 // ----------------------------------------------------------------------------
     21 /**
     22  * @author Vlad Roubtsov, (C) 2003
     23  */
     24 public
     25 final class mergeCommand extends Command
     26 {
     27     // public: ................................................................
     28 
     29     public mergeCommand (final String usageToolName, final String [] args)
     30     {
     31         super (usageToolName, args);
     32     }
     33 
     34     public synchronized void run ()
     35     {
     36         ClassLoader loader;
     37         try
     38         {
     39             loader = ClassLoaderResolver.getClassLoader ();
     40         }
     41         catch (Throwable t)
     42         {
     43             loader = getClass ().getClassLoader ();
     44         }
     45 
     46         try
     47         {
     48             // process 'args':
     49             {
     50                 final IOptsParser parser = getOptParser (loader);
     51                 final IOptsParser.IOpts parsedopts = parser.parse (m_args);
     52 
     53                 // check if usage is requested before checking args parse errors etc:
     54                 {
     55                     final int usageRequestLevel = parsedopts.usageRequestLevel ();
     56 
     57                     if (usageRequestLevel > 0)
     58                     {
     59                         usageexit (parser, usageRequestLevel, null);
     60                         return;
     61                     }
     62                 }
     63 
     64                 final IOptsParser.IOpt [] opts = parsedopts.getOpts ();
     65 
     66                 if (opts == null) // this means there were args parsing errors
     67                 {
     68                     parsedopts.error (m_out, STDOUT_WIDTH);
     69                     usageexit (parser, IOptsParser.SHORT_USAGE, null);
     70                     return;
     71                 }
     72 
     73                 // process parsed args:
     74 
     75                 try
     76                 {
     77                     for (int o = 0; o < opts.length; ++ o)
     78                     {
     79                         final IOptsParser.IOpt opt = opts [o];
     80                         final String on = opt.getCanonicalName ();
     81 
     82                         if (! processOpt (opt))
     83                         {
     84                             if ("in".equals (on))
     85                             {
     86                                 m_datapath = getListOptValue (opt, PATH_DELIMITERS, true);
     87                             }
     88                             else if ("out".equals (on))
     89                             {
     90                                 m_outFileName = opt.getFirstValue ();
     91                             }
     92                         }
     93                     }
     94 
     95                     // user '-props' file property overrides:
     96 
     97                     if (! processFilePropertyOverrides ()) return;
     98 
     99                     // process prefixed opts:
    100 
    101                     processCmdPropertyOverrides (parsedopts);
    102                 }
    103                 catch (IOException ioe)
    104                 {
    105                     throw new EMMARuntimeException (IAppErrorCodes.ARGS_IO_FAILURE, ioe);
    106                 }
    107 
    108                 // handle cmd line-level defaults:
    109                 {
    110                 }
    111             }
    112 
    113             // run the reporter:
    114             {
    115                 final MergeProcessor processor = MergeProcessor.create ();
    116                 processor.setAppName (IAppConstants.APP_NAME); // for log prefixing
    117 
    118                 processor.setDataPath (m_datapath);
    119                 processor.setSessionOutFile (m_outFileName);
    120                 processor.setPropertyOverrides (m_propertyOverrides);
    121 
    122                 processor.run ();
    123             }
    124         }
    125         catch (EMMARuntimeException yre)
    126         {
    127             // TODO: see below
    128 
    129             exit (true, yre.getMessage (), yre, RC_UNEXPECTED); // does not return
    130             return;
    131         }
    132         catch (Throwable t)
    133         {
    134             // TODO: embed: OS/JVM fingerprint, build #, etc
    135             // TODO: save stack trace in a file and prompt user to send it to ...
    136 
    137             exit (true, "unexpected failure: ", t, RC_UNEXPECTED); // does not return
    138             return;
    139         }
    140 
    141         exit (false, null, null, RC_OK);
    142     }
    143 
    144     // protected: .............................................................
    145 
    146 
    147     protected void initialize ()
    148     {
    149         super.initialize ();
    150     }
    151 
    152     protected String usageArgsMsg ()
    153     {
    154         return "[options]";
    155     }
    156 
    157     // package: ...............................................................
    158 
    159     // private: ...............................................................
    160 
    161 
    162     private String [] m_datapath; // list of data files, not a real path
    163     private String m_outFileName;
    164 
    165 } // end of class
    166 // ----------------------------------------------------------------------------