/**
* Launches the ZoneInfoCompiler tool.
*
* <pre>
* Usage: java org.joda.time.tz.ZoneInfoCompiler <options> <source files>
* where possible options include:
* -src <directory> Specify where to read source files
* -dst <directory> Specify where to write generated files
* -verbose Output verbosely (default false)
* </pre>
*/
public static void main(String[] args) throws Exception {
if (args.length == 0) {
printUsage();
return;
}
File inputDir = null;
File outputDir = null;
boolean verbose = false;
int i;
for (i = 0; i < args.length; i++) {
try {
if ("-src".equals(args[i])) {
inputDir = new File(args[++i]);
} else if ("-dst".equals(args[i])) {
outputDir = new File(args[++i]);
} else if ("-verbose".equals(args[i])) {
verbose = true;
} else if ("-?".equals(args[i])) {
printUsage();
return;
} else {
break;
}
} catch (IndexOutOfBoundsException e) {
printUsage();
return;
}
}
if (i >= args.length) {
printUsage();
return;
}
File[] sources = new File[args.length - i];
for (int j = 0; i < args.length; i++, j++) {
sources[j] = inputDir == null ? new File(args[i]) : new File(inputDir, args[i]);
}
cVerbose.set(verbose);
ZoneInfoCompiler zic = new ZoneInfoCompiler();
zic.compile(outputDir, sources);
}
/**
* Returns a map of ids to DateTimeZones.
*
* @param outputDir optional directory to write compiled data files to
* @param sources optional list of source files to parse
*/
public Map<String, DateTimeZone> compile(File outputDir, File[] sources) throws IOException {
if (sources != null) {
for (int i = 0; i < sources.length; i++) {
BufferedReader in = new BufferedReader(new FileReader(sources[i]));
parseDataFile(in);
in.close();
}
}
if (outputDir != null) {
if (!outputDir.exists()) {
if (!outputDir.mkdirs()) {
throw new IOException(
"Destination directory doesn't exist and cannot be created: " + outputDir);
}
}
if (!outputDir.isDirectory()) {
throw new IOException("Destination is not a directory: " + outputDir);
}
}
Map<String, DateTimeZone> map = new TreeMap<String, DateTimeZone>();
System.out.println("Writing zoneinfo files");
for (int i = 0; i < iZones.size(); i++) {
Zone zone = iZones.get(i);
DateTimeZoneBuilder builder = new DateTimeZoneBuilder();
zone.addToBuilder(builder, iRuleSets);
final DateTimeZone original = builder.toDateTimeZone(zone.iName, true);
DateTimeZone tz = original;
if (test(tz.getID(), tz)) {
map.put(tz.getID(), tz);
if (outputDir != null) {
if (ZoneInfoCompiler.verbose()) {
System.out.println("Writing " + tz.getID());
}
File file = new File(outputDir, tz.getID());
if (!file.getParentFile().exists()) {
file.getParentFile().mkdirs();
}
OutputStream out = new FileOutputStream(file);
try {
builder.writeTo(zone.iName, out);
} finally {
out.close();
}
// Test if it can be read back.
InputStream in = new FileInputStream(file);
DateTimeZone tz2 = DateTimeZoneBuilder.readFrom(in, tz.getID());
in.close();
if (!original.equals(tz2)) {
System.out.println("*e* Error in " + tz.getID() + ": Didn't read properly from file");
}
}
}
}
for (int pass = 0; pass < 2; pass++) {
for (int i = 0; i < iLinks.size(); i += 2) {
String id = iLinks.get(i);
String alias = iLinks.get(i + 1);
DateTimeZone tz = map.get(id);
if (tz == null) {
if (pass > 0) {
System.out.println(
"Cannot find time zone '" + id + "' to link alias '" + alias + "' to");
}
} else {
map.put(alias, tz);
}
}
}
if (outputDir != null) {
System.out.println("Writing ZoneInfoMap");
File file = new File(outputDir, "ZoneInfoMap");
if (!file.getParentFile().exists()) {
file.getParentFile().mkdirs();
}
OutputStream out = new FileOutputStream(file);
DataOutputStream dout = new DataOutputStream(out);
try {
// Sort and filter out any duplicates that match case.
Map<String, DateTimeZone> zimap =
new TreeMap<String, DateTimeZone>(String.CASE_INSENSITIVE_ORDER);
zimap.putAll(map);
writeZoneInfoMap(dout, zimap);
} finally {
dout.close();
}
}
return map;
}