Make ant quiet without the -q flag?

Question

I have an ant buildfile that is often run from vastly different environments. By default, I\'m looking for the same behavior as using:

ant -q

Answer 1

For controlling the loglevel from within your ant script you could take this simple task =

public class SetLogLevel extends Task
{
    private int logLevel = -1;

    public void execute()
    {
        if (logLevel == -1)
        {
            throw new BuildException("Error - No Loglevel specified !!");
        }
        Vector listeners = this.getProject().getBuildListeners();
        for (Iterator i = listeners.iterator(); i.hasNext();)
        {
            BuildListener listener = (BuildListener) i.next();
            if (listener instanceof BuildLogger)
            {
                BuildLogger logger = (BuildLogger) listener;
                logger.setMessageOutputLevel(logLevel);
            }
        }
    }

    /**
     * 
     *  @see org.apache.tools.ant.taskdefs.Echo$EchoLevel
     * 
     */

    public void setLevel(EchoLevel echoLevel) {
        String option = echoLevel.getValue();
        if (option.equals("error")) {
            logLevel = Project.MSG_ERR;
        } else if (option.equals("warning")) {
            logLevel = Project.MSG_WARN;
        } else if (option.equals("info")) {
            logLevel = Project.MSG_INFO;
        } else if (option.equals("verbose")) {
            logLevel = Project.MSG_VERBOSE;
        } else {
            // must be "debug"
            logLevel = Project.MSG_DEBUG;
        }
    }
}

map it to a taskdef and use it like that =

... only errors should be listed

... loglevel info again

That's what i do to shorten logfiles when using talkative tasks like f.e. cvs task