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From <Jan.Mate...@rzf.fin-nrw.de>
Subject AW: Processing Ant log files
Date Tue, 26 Jun 2007 05:54:25 GMT
Then you have to write a task ... 

<exec executable="baciccompile"... output="basiccompile.out"/>
<analyseBasicOutput output="basiccompile.out" 
                    errors="basiccompile.err"
                    success="basiccompile.success"
                    haltOnError="false"
                    errorProperty="basiccompile.hasErrors"
/>


public class AnalyseBasicOutputTask extends Task {
    ...
    public static final String ERROR_MESSAGE = ...
    public void setOutput(File ) { this.output = f; }
    public void setErrors(File f) { this.errors = f; }
    public void setSuccess(File f) { this.success = f; }
    public void setHaltOnError(boolean b) ...
    public void setErrorProperty(String s) ...
    public void execute() {
        // analyse the output-File and split the error/success 
        // messages. Write them into the two files.
        // Maybe do other processing.
        
        if (hasErrors()) {
            // save into an Ant property
            getProject().setNewProperty( errorProperty, getErrors() );
            if (haltOnError) {
                throw new BuildException(ERROR_MESSAGE, getLocation() );
            }
        }
    }
    public boolean hasErrors() ...
    public String getErrors() ...
}

http://ant.apache.org/manual/tutorial-writing-tasks.html
http://ant.apache.org/manual/tutorial-tasks-filesets-properties.html



Jan


>-----Urspr√ľngliche Nachricht-----
>Von: James Oltmans [mailto:joltmans@bolosystems.com] 
>Gesendet: Montag, 25. Juni 2007 17:21
>An: Ant Users List
>Betreff: RE: Processing Ant log files
>
>That would not work; the process that causes the error is not 
>that granular. Hundreds of basic files are compiled by one 
>basic program and that program does not produce a log file for 
>each compilation but the entire compile process. So there will 
>be hundreds of successful compile messages (which span 
>multiple lines) and a handful of error messages (which also 
>span multiple lines). 
>Otherwise that would be an excellent solution, thanks.
>
>James 
>
>-----Original Message-----
>From: Jan.Materne@rzf.fin-nrw.de [mailto:Jan.Materne@rzf.fin-nrw.de] 
>Sent: Wednesday, June 20, 2007 12:33 AM
>To: user@ant.apache.org
>Subject: AW: Processing Ant log files
>
>Just thinking ...
>- redirecting output of exec into logfiles
>  <exec ex="comp1" output="comp1.out" error="comp1.err"/>
>- maybe appending the program name to logfiles
>  <echo message="Log from comp1" append="true" file="comp1.out"/>
>  <echo message="Log from comp1" append="true" file="comp1.err"/>
>- copying logfiles with error into extra directory
>  <copy><selector><contains>
>- merging the logfiles
>  <concat>
>???
>
>
>Jan
>
>>-----Urspr√ľngliche Nachricht-----
>>Von: James Oltmans [mailto:joltmans@bolosystems.com] 
>>Gesendet: Mittwoch, 20. Juni 2007 00:14
>>An: user@ant.apache.org
>>Betreff: Processing Ant log files
>>
>>Hello all,
>>
>> 
>>
>>I have a problem that I am not sure if ant has a built in method for
>>handling. I would like to process log files for errors, warnings and
>>possible system levels messages. The log is being generated by ant but
>>the echoed output is produced by a legacy system (hence why I 
>>can't just
>>use a premade task to find all these errors). The errors and warnings
>>can be 1-50 lines in length. I believe it would be best to parse for
>>these errors using regexes. It appears that filterchain filters are
>>geared towards single line applications only.
>>
>> 
>>
>>For example I would like to take the following:
>>
>>     [exec] 
>>------------------------------------------------------------
>>
>>     [exec] COMPILE PROGRAM_A
>>
>> 
>>
>>     [exec] Compiling PROGRAM_A
>>
>>     [exec] compilation finished
>>
>>     [exec] SUCCESS compiling PROGRAM_A
>>
>>     [exec] 
>>------------------------------------------------------------
>>
>> 
>>
>> 
>>
>>     [exec] 
>>------------------------------------------------------------
>>
>>     [exec] COMPILE PROGRAM_B
>>
>> 
>>
>>     [exec] Compiling PROGRAM_B
>>
>>     [exec] main program: syntax error at or before
>>
>>     [exec] <line 23> ...PWR  = "This program, dependent files and
>>dependent facilities is"
>>
>>     [exec]
>>---------------------------------------------------------------
>>------^Ex
>>pecting: end-of-file,END
>>
>> 
>>
>>     [exec] compilation failed
>>
>>     [exec] FAILURE compiling PROGRAM_B
>>
>>     [exec] 
>>------------------------------------------------------------
>>
>> 
>>
>>And take just the second compilation's output and create a report of
>>build failures/warnings. 
>>
>> 
>>
>>I would like to grab all the compilation failures and other system
>>failures that occur in the build and include them in a build report
>>email. Here is my desired output for inclusion in the build report
>>email:
>>
>>Compile failures:
>>
>>     Compiling PROGRAM_B
>>
>>     main program: syntax error at or before
>>
>>     <line 23> ...PWR  = "This program, dependent files and dependent
>>facilities is"
>>
>> 
>>---------------------------------------------------------------
>>------^Ex
>>pecting: end-of-file,END
>>
>>     compilation failed
>>
>> 
>>
>>In order to do this I would have to capture all or most of the text
>>between the two [exec] ----------------------------------------------
>>lines (also note that the errors could be any length so any 
>assumptions
>>about the number of lines would be insufficient). Is there an 
>>ant native
>>function or a 3rd party open-source or 3rd party products that can
>>process log files in this way or should I consider creating a custom
>>task or custom filterreader?
>>
>> 
>>
>>If your recommendation is a filterreader, what's a good example to
>>follow?
>>
>> 
>>
>>James Oltmans
>>SCM Administrator
>>
>>Bolo Systems, Inc. 
>>joltmans@bolosystems.com
>>
>> 
>>
>>
>
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