Example usage for org.joda.time.tz DateTimeZoneBuilder DateTimeZoneBuilder

Introduction

In this page you can find the example usage for org.joda.time.tz DateTimeZoneBuilder DateTimeZoneBuilder.

Prototype

public DateTimeZoneBuilder() 

Source Link

Usage

From source file:net.danlew.android.joda.ZoneInfoCompiler.java

License:Apache License

/**
 * 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
 *//* w  w  w  .  j  a v  a 2  s . c o  m*/
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) {
                String fileName = ResUtils.getTzResource(tz.getID());
                if (ZoneInfoCompiler.verbose()) {
                    System.out.println("Writing " + fileName);
                }
                File file = new File(outputDir, fileName);
                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 " + ResUtils.getZoneInfoMapResource());
        File file = new File(outputDir, ResUtils.getZoneInfoMapResource());
        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;
}

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