private void runVelocityTemplates() {
String velocityDirPath = commandLineArgs.getVelocityTemplateDirPath();
File velocityDir;
if (velocityDirPath != null) {
velocityDir = new File(velocityDirPath);
} else {
velocityDir = new File(CommandLineArgs.DEFAULT_VELOCITY_TEMPLATE_DIRPATH);
}
String[] templateNames =
velocityDir.list(
new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.toLowerCase().endsWith(CommandLineArgs.VELOCITY_TEMPLATE_EXTENSION);
}
});
Logger logger = commandLineContext.getLogger();
if (templateNames == null) {
String msgPattern = "Velocity template directory '%s' does not exist or inaccessible";
logger.severe(String.format(msgPattern, velocityDir));
return;
}
if (templateNames.length == 0) {
String msgPattern = "Velocity template directory '%s' does not contain any templates (*.vm)";
logger.warning(String.format(msgPattern, velocityDir));
return;
}
// It can happen that we have no target file when the operator implements the Output interface
if (!commandLineContext.isFile(commandLineArgs.getTargetFilePath())) {
String msgPattern =
"Target file '%s' does not exist, but is required to process velocity templates";
logger.warning(String.format(msgPattern, commandLineArgs.getTargetFilePath()));
return;
}
for (String templateName : templateNames) {
try {
metadataResourceEngine.writeRelatedResource(
velocityDir + "/" + templateName, commandLineArgs.getTargetFilePath());
} catch (IOException e) {
String msgPattern = "Can't write related resource using template file '%s': %s";
logSevereProblem(String.format(msgPattern, templateName, e.getMessage()), e);
}
}
}
