private static void handleNameValue(NginxCompileParameters result, String name, String value) {
if (name.equals("--conf-path")) {
result.setConfigurationPath(value);
} else if (name.equals("--pid-path")) {
result.setPidPath(value);
} else if (name.equals("--prefix")) {
result.setPrefix(value);
} else if (name.equals("--http-log-path")) {
result.setHttpLogPath(value);
} else if (name.equals("--error-log-path")) {
result.setErrorLogPath(value);
}
}
/**
* Runs file with -V argument and matches the output against OUTPUT_PATTERN.
*
* @param from executable to be run with -V command line argument
* @return Parameters parsed out from process output
* @throws PlatformDependentTools.ThisIsNotNginxExecutableException if file could not be run, or
* output would not match against expected pattern
*/
public static NginxCompileParameters extract(VirtualFile from)
throws PlatformDependentTools.ThisIsNotNginxExecutableException {
NginxCompileParameters result = new NginxCompileParameters();
Executor executor = new DefaultExecutor();
ByteArrayOutputStream os = new ByteArrayOutputStream();
try {
executor.setStreamHandler(new PumpStreamHandler(os, os));
executor.execute(CommandLine.parse(from.getPath() + " -V"));
} catch (IOException e) {
throw new PlatformDependentTools.ThisIsNotNginxExecutableException(e);
}
String output = os.toString();
Matcher versionMatcher = Pattern.compile("nginx version: nginx/([\\d\\.]+)").matcher(output);
Matcher configureArgumentsMatcher =
Pattern.compile("configure arguments: (.*)").matcher(output);
if (versionMatcher.find() && configureArgumentsMatcher.find()) {
String version = versionMatcher.group(1);
String params = configureArgumentsMatcher.group(1);
result.setVersion(version);
Iterable<String> namevalues = StringUtil.split(params, " ");
for (String namevalue : namevalues) {
int eqPosition = namevalue.indexOf('=');
if (eqPosition == -1) {
handleFlag(result, namevalue);
} else {
handleNameValue(
result, namevalue.substring(0, eqPosition), namevalue.substring(eqPosition + 1));
}
}
} else {
throw new PlatformDependentTools.ThisIsNotNginxExecutableException(
NginxBundle.message("run.configuration.outputwontmatch"));
}
return result;
}