/** * Calls the Unix sort command with the options <code>$filesNames -o * $outputfile -T WaybackSettings#WAYBACK_AGGREGATOR_TEMP_DIR. * * Sets the LC_ALL environment variable before making the call. * * @param files The files to merge and sort * @param outputFile The resulting sorted file * @param additionalArgs A list af extra arguments, which (if different from * null) are added to the sort call.<p> Note: If any * of the args contain a whitespace the call will * fail. */ private void processFiles(File[] files, File outputFile, List<String> additionalArgs) { if (files.length == 0) { // Empty file list will cause sort to wait for further input, // and the call will therefore never return return; } Process p = null; try { List<String> inputFileList = new LinkedList<String>(); for (int i = 0; i < files.length; i++) { if (files[i].exists() && files[i].isFile()) { inputFileList.add(files[i].getCanonicalPath()); } else { log.warn( "File " + files[i] + " doesn't exist or isn't a regular file, " + "dropping from list of files to " + "sort and merge"); } } List<String> cmd = new LinkedList<String>(); // Prepare to run the unix sort command, see sort manual page for // details cmd.add("sort"); cmd.addAll(inputFileList); cmd.add("-o"); cmd.add(outputFile.getCanonicalPath()); cmd.add("-T"); cmd.add(Settings.get(WaybackSettings.WAYBACK_AGGREGATOR_TEMP_DIR)); if (additionalArgs != null && !additionalArgs.isEmpty()) { for (String argument : additionalArgs) { ArgumentNotValid.checkTrue( argument.indexOf(' ') == -1, "The argument '" + argument + "' contains spaces, this isn't allowed "); } cmd.addAll(additionalArgs); } ProcessBuilder pb = new ProcessBuilder(cmd); // Reset all locale definitions pb.environment().put("LC_ALL", "C"); // Run the command in the user.dir directory pb.directory(new File(System.getProperty("user.dir"))); p = pb.start(); p.waitFor(); if (p.exitValue() != 0) { log.error("Failed to sort index files, sort exited with " + "return code " + p.exitValue()); } } catch (Exception e) { log.error("Failed to aggregate indexes ", e); } }
/** * Set the axis range. * * @param axis a numberAxis * @param range a range */ private void setAxisRange(NumberAxis axis, double[] range) { if (range == null || range.length != 2) { axis.setAutoRange(true); } else { double lower = range[0]; double upper = range[1]; ArgumentNotValid.checkTrue(lower < upper, "Incorrect range"); axis.setAutoRange(false); axis.setRange(new Range(lower, upper)); } }