- public String parse(final String[] args) throws PdpSimulatorException {
- // Clear all our arguments
- setConfigurationFilePath(null);
- setPropertyFilePath(null);
-
- CommandLine commandLine = null;
- try {
- commandLine = new DefaultParser().parse(options, args);
- } catch (final ParseException e) {
- throw new PdpSimulatorException("invalid command line arguments specified : " + e.getMessage());
- }
-
- // Arguments left over after Commons CLI does its stuff
- final String[] remainingArgs = commandLine.getArgs();
-
- if (remainingArgs.length > 0 && commandLine.hasOption('c') || remainingArgs.length > 0) {
- throw new PdpSimulatorException("too many command line arguments specified : " + Arrays.toString(args));
- }
-
- if (remainingArgs.length == 1) {
- configurationFilePath = remainingArgs[0];
- }
-
- if (commandLine.hasOption('h')) {
- return help(PdpSimulatorMain.class.getName());
- }
-
- if (commandLine.hasOption('v')) {
- return version();
- }
-
- if (commandLine.hasOption('c')) {
- setConfigurationFilePath(commandLine.getOptionValue('c'));
- }
-
- if (commandLine.hasOption('p')) {
- setPropertyFilePath(commandLine.getOptionValue('p'));
- }
-
- return null;
- }
-
- /**
- * Validate the command line options.
- *
- * @throws PdpSimulatorException on command argument validation errors
- */
- public void validate() throws PdpSimulatorException {
- validateReadableFile("pdp simulator configuration", configurationFilePath);
- }
-
- /**
- * Print version information for pdp simulator.
- *
- * @return the version string
- */
- public String version() {
- return ResourceUtils.getResourceAsString("src/main/resources/version.txt");
- }
-
- /**
- * Print help information for pdp simulator.
- *
- * @param mainClassName the main class name
- * @return the help string
- */
- public String help(final String mainClassName) {
- final HelpFormatter helpFormatter = new HelpFormatter();
- final StringWriter stringWriter = new StringWriter();
- final PrintWriter printWriter = new PrintWriter(stringWriter);
-
- helpFormatter.printHelp(printWriter, HELP_LINE_LENGTH, mainClassName + " [options...]", "options", options, 0,
- 0, "");
-
- return stringWriter.toString();
- }
-
- /**
- * Gets the configuration file path.
- *
- * @return the configuration file path
- */
- public String getConfigurationFilePath() {
- return configurationFilePath;
- }
-
- /**
- * Gets the full expanded configuration file path.
- *
- * @return the configuration file path
- */
- public String getFullConfigurationFilePath() {
- return ResourceUtils.getFilePath4Resource(getConfigurationFilePath());
- }
-
- /**
- * Sets the configuration file path.
- *
- * @param configurationFilePath the configuration file path
- */
- public void setConfigurationFilePath(final String configurationFilePath) {
- this.configurationFilePath = configurationFilePath;
-
- }
-
- /**
- * Check set configuration file path.
- *
- * @return true, if check set configuration file path
- */
- public boolean checkSetConfigurationFilePath() {
- return configurationFilePath != null && configurationFilePath.length() > 0;
- }
-
- /**
- * Gets the property file path.
- *
- * @return the property file path
- */
- public String getPropertyFilePath() {
- return propertyFilePath;
- }
-
- /**
- * Gets the full expanded property file path.
- *
- * @return the property file path
- */
- public String getFullPropertyFilePath() {
- return ResourceUtils.getFilePath4Resource(getPropertyFilePath());
- }
-
- /**
- * Sets the property file path.
- *
- * @param propertyFilePath the property file path
- */
- public void setPropertyFilePath(final String propertyFilePath) {
- this.propertyFilePath = propertyFilePath;
-
- }
-
- /**
- * Check set property file path.
- *
- * @return true, if check set property file path
- */
- public boolean checkSetPropertyFilePath() {
- return propertyFilePath != null && propertyFilePath.length() > 0;
- }
-
- /**
- * Validate readable file.
- *
- * @param fileTag the file tag
- * @param fileName the file name
- * @throws PdpSimulatorException on the file name passed as a parameter
- */
- private void validateReadableFile(final String fileTag, final String fileName) throws PdpSimulatorException {
- if (fileName == null || fileName.length() == 0) {
- throw new PdpSimulatorException(fileTag + " file was not specified as an argument");
- }
-
- // The file name refers to a resource on the local file system
- final URL fileUrl = ResourceUtils.getUrl4Resource(fileName);
- if (fileUrl == null) {
- throw new PdpSimulatorException(fileTag + FILE_MESSAGE_PREAMBLE + fileName + "\" does not exist");
- }
-
- final File theFile = new File(fileUrl.getPath());
- if (!theFile.exists()) {
- throw new PdpSimulatorException(fileTag + FILE_MESSAGE_PREAMBLE + fileName + "\" does not exist");
- }
- if (!theFile.isFile()) {
- throw new PdpSimulatorException(fileTag + FILE_MESSAGE_PREAMBLE + fileName + "\" is not a normal file");
- }
- if (!theFile.canRead()) {
- throw new PdpSimulatorException(fileTag + FILE_MESSAGE_PREAMBLE + fileName + "\" is ureadable");
- }