this.svnClient = svnClient;
    public void execute(ISVNClientAdapter svnClient) throws BuildException {        this.svnClient = svnClient;        validateAttributes();		log("Svn : Exporting");                        try {			if (srcUrl != null)				svnClient.doExport(srcUrl,destPath,revision,force);			else				svnClient.doExport(srcPath,destPath,force);        } catch (SVNClientException e) {        	throw new BuildException("Can't export",e);        }    }