| /* |
| * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package build.tools.generatecurrencydata; |
| |
| import java.io.IOException; |
| import java.io.FileNotFoundException; |
| import java.io.DataOutputStream; |
| import java.io.FileOutputStream; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.Locale; |
| import java.util.Properties; |
| import java.util.TimeZone; |
| |
| /** |
| * Reads currency data in properties format from the file specified in the |
| * command line and generates a binary data file as specified in the command line. |
| * |
| * Output of this tool is a binary file that contains the data in |
| * the following order: |
| * |
| * - magic number (int): always 0x43757244 ('CurD') |
| * - formatVersion (int) |
| * - dataVersion (int) |
| * - mainTable (int[26*26]) |
| * - specialCaseCount (int) |
| * - specialCaseCutOverTimes (long[specialCaseCount]) |
| * - specialCaseOldCurrencies (String[specialCaseCount]) |
| * - specialCaseNewCurrencies (String[specialCaseCount]) |
| * - specialCaseOldCurrenciesDefaultFractionDigits (int[specialCaseCount]) |
| * - specialCaseNewCurrenciesDefaultFractionDigits (int[specialCaseCount]) |
| * - specialCaseOldCurrenciesNumericCode (int[specialCaseCount]) |
| * - specialCaseNewCurrenciesNumericCode (int[specialCaseCount]) |
| * - otherCurrenciesCount (int) |
| * - otherCurrencies (String) |
| * - otherCurrenciesDefaultFractionDigits (int[otherCurrenciesCount]) |
| * - otherCurrenciesNumericCode (int[otherCurrenciesCount]) |
| * |
| * See CurrencyData.properties for the input format description and |
| * Currency.java for the format descriptions of the generated tables. |
| */ |
| public class GenerateCurrencyData { |
| |
| private static DataOutputStream out; |
| |
| // input data: currency data obtained from properties on input stream |
| private static Properties currencyData; |
| private static String formatVersion; |
| private static String dataVersion; |
| private static String validCurrencyCodes; |
| |
| // handy constants - must match definitions in java.util.Currency |
| // magic number |
| private static final int MAGIC_NUMBER = 0x43757244; |
| // number of characters from A to Z |
| private static final int A_TO_Z = ('Z' - 'A') + 1; |
| // entry for invalid country codes |
| private static final int INVALID_COUNTRY_ENTRY = 0x0000007F; |
| // entry for countries without currency |
| private static final int COUNTRY_WITHOUT_CURRENCY_ENTRY = 0x00000200; |
| // mask for simple case country entries |
| private static final int SIMPLE_CASE_COUNTRY_MASK = 0x00000000; |
| // mask for simple case country entry final character |
| private static final int SIMPLE_CASE_COUNTRY_FINAL_CHAR_MASK = 0x0000001F; |
| // mask for simple case country entry default currency digits |
| private static final int SIMPLE_CASE_COUNTRY_DEFAULT_DIGITS_MASK = 0x000001E0; |
| // shift count for simple case country entry default currency digits |
| private static final int SIMPLE_CASE_COUNTRY_DEFAULT_DIGITS_SHIFT = 5; |
| // maximum number for simple case country entry default currency digits |
| private static final int SIMPLE_CASE_COUNTRY_MAX_DEFAULT_DIGITS = 9; |
| // mask for special case country entries |
| private static final int SPECIAL_CASE_COUNTRY_MASK = 0x00000200; |
| // mask for special case country index |
| private static final int SPECIAL_CASE_COUNTRY_INDEX_MASK = 0x0000001F; |
| // delta from entry index component in main table to index into special case tables |
| private static final int SPECIAL_CASE_COUNTRY_INDEX_DELTA = 1; |
| // mask for distinguishing simple and special case countries |
| private static final int COUNTRY_TYPE_MASK = SIMPLE_CASE_COUNTRY_MASK | SPECIAL_CASE_COUNTRY_MASK; |
| // mask for the numeric code of the currency |
| private static final int NUMERIC_CODE_MASK = 0x000FFC00; |
| // shift count for the numeric code of the currency |
| private static final int NUMERIC_CODE_SHIFT = 10; |
| |
| // generated data |
| private static int[] mainTable = new int[A_TO_Z * A_TO_Z]; |
| |
| private static final int maxSpecialCases = 30; |
| private static int specialCaseCount = 0; |
| private static long[] specialCaseCutOverTimes = new long[maxSpecialCases]; |
| private static String[] specialCaseOldCurrencies = new String[maxSpecialCases]; |
| private static String[] specialCaseNewCurrencies = new String[maxSpecialCases]; |
| private static int[] specialCaseOldCurrenciesDefaultFractionDigits = new int[maxSpecialCases]; |
| private static int[] specialCaseNewCurrenciesDefaultFractionDigits = new int[maxSpecialCases]; |
| private static int[] specialCaseOldCurrenciesNumericCode = new int[maxSpecialCases]; |
| private static int[] specialCaseNewCurrenciesNumericCode = new int[maxSpecialCases]; |
| |
| private static final int maxOtherCurrencies = 128; |
| private static int otherCurrenciesCount = 0; |
| private static StringBuffer otherCurrencies = new StringBuffer(); |
| private static int[] otherCurrenciesDefaultFractionDigits = new int[maxOtherCurrencies]; |
| private static int[] otherCurrenciesNumericCode= new int[maxOtherCurrencies]; |
| |
| // date format for parsing cut-over times |
| private static SimpleDateFormat format; |
| |
| // Minor Units |
| private static String[] currenciesWithDefinedMinorUnitDecimals = |
| new String[SIMPLE_CASE_COUNTRY_MAX_DEFAULT_DIGITS + 1]; |
| private static String currenciesWithMinorUnitsUndefined; |
| |
| public static void main(String[] args) { |
| |
| // Look for "-o outputfilename" option |
| if ( args.length == 2 && args[0].equals("-o") ) { |
| try { |
| out = new DataOutputStream(new FileOutputStream(args[1])); |
| } catch ( FileNotFoundException e ) { |
| System.err.println("Error: " + e.getMessage()); |
| e.printStackTrace(System.err); |
| System.exit(1); |
| } |
| } else { |
| System.err.println("Error: Illegal arg count"); |
| System.exit(1); |
| } |
| |
| format = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss", Locale.US); |
| format.setTimeZone(TimeZone.getTimeZone("GMT")); |
| format.setLenient(false); |
| |
| try { |
| readInput(); |
| buildMainAndSpecialCaseTables(); |
| buildOtherTables(); |
| writeOutput(); |
| out.flush(); |
| out.close(); |
| } catch (Exception e) { |
| System.err.println("Error: " + e.getMessage()); |
| e.printStackTrace(System.err); |
| System.exit(1); |
| } |
| } |
| |
| private static void readInput() throws IOException { |
| currencyData = new Properties(); |
| currencyData.load(System.in); |
| |
| // initialize other lookup strings |
| formatVersion = (String) currencyData.get("formatVersion"); |
| dataVersion = (String) currencyData.get("dataVersion"); |
| validCurrencyCodes = (String) currencyData.get("all"); |
| for (int i = 0; i <= SIMPLE_CASE_COUNTRY_MAX_DEFAULT_DIGITS; i++) { |
| currenciesWithDefinedMinorUnitDecimals[i] |
| = (String) currencyData.get("minor"+i); |
| } |
| currenciesWithMinorUnitsUndefined = (String) currencyData.get("minorUndefined"); |
| if (formatVersion == null || |
| dataVersion == null || |
| validCurrencyCodes == null || |
| currenciesWithMinorUnitsUndefined == null) { |
| throw new NullPointerException("not all required data is defined in input"); |
| } |
| } |
| |
| private static void buildMainAndSpecialCaseTables() throws Exception { |
| for (int first = 0; first < A_TO_Z; first++) { |
| for (int second = 0; second < A_TO_Z; second++) { |
| char firstChar = (char) ('A' + first); |
| char secondChar = (char) ('A' + second); |
| String countryCode = (new StringBuffer()).append(firstChar).append(secondChar).toString(); |
| String currencyInfo = (String) currencyData.get(countryCode); |
| int tableEntry = 0; |
| if (currencyInfo == null) { |
| // no entry -> must be invalid ISO 3166 country code |
| tableEntry = INVALID_COUNTRY_ENTRY; |
| } else { |
| int length = currencyInfo.length(); |
| if (length == 0) { |
| // special case: country without currency |
| tableEntry = COUNTRY_WITHOUT_CURRENCY_ENTRY; |
| } else if (length == 3) { |
| // valid currency |
| if (currencyInfo.charAt(0) == firstChar && currencyInfo.charAt(1) == secondChar) { |
| checkCurrencyCode(currencyInfo); |
| int digits = getDefaultFractionDigits(currencyInfo); |
| if (digits < 0 || digits > SIMPLE_CASE_COUNTRY_MAX_DEFAULT_DIGITS) { |
| throw new RuntimeException("fraction digits out of range for " + currencyInfo); |
| } |
| int numericCode= getNumericCode(currencyInfo); |
| if (numericCode < 0 || numericCode >= 1000 ) { |
| throw new RuntimeException("numeric code out of range for " + currencyInfo); |
| } |
| tableEntry = SIMPLE_CASE_COUNTRY_MASK |
| | (currencyInfo.charAt(2) - 'A') |
| | (digits << SIMPLE_CASE_COUNTRY_DEFAULT_DIGITS_SHIFT) |
| | (numericCode << NUMERIC_CODE_SHIFT); |
| } else { |
| tableEntry = SPECIAL_CASE_COUNTRY_MASK | (makeSpecialCaseEntry(currencyInfo) + SPECIAL_CASE_COUNTRY_INDEX_DELTA); |
| } |
| } else { |
| tableEntry = SPECIAL_CASE_COUNTRY_MASK | (makeSpecialCaseEntry(currencyInfo) + SPECIAL_CASE_COUNTRY_INDEX_DELTA); |
| } |
| } |
| mainTable[first * A_TO_Z + second] = tableEntry; |
| } |
| } |
| } |
| |
| private static int getDefaultFractionDigits(String currencyCode) { |
| for (int i = 0; i <= SIMPLE_CASE_COUNTRY_MAX_DEFAULT_DIGITS; i++) { |
| if (currenciesWithDefinedMinorUnitDecimals[i] != null && |
| currenciesWithDefinedMinorUnitDecimals[i].indexOf(currencyCode) != -1) { |
| return i; |
| } |
| } |
| |
| if (currenciesWithMinorUnitsUndefined.indexOf(currencyCode) != -1) { |
| return -1; |
| } else { |
| return 2; |
| } |
| } |
| |
| private static int getNumericCode(String currencyCode) { |
| int index = validCurrencyCodes.indexOf(currencyCode); |
| String numericCode = validCurrencyCodes.substring(index + 3, index + 6); |
| return Integer.parseInt(numericCode); |
| } |
| |
| static HashMap<String, Integer> specialCaseMap = new HashMap<>(); |
| |
| private static int makeSpecialCaseEntry(String currencyInfo) throws Exception { |
| Integer oldEntry = specialCaseMap.get(currencyInfo); |
| if (oldEntry != null) { |
| return oldEntry.intValue(); |
| } |
| if (specialCaseCount == maxSpecialCases) { |
| throw new RuntimeException("too many special cases"); |
| } |
| if (currencyInfo.length() == 3) { |
| checkCurrencyCode(currencyInfo); |
| specialCaseCutOverTimes[specialCaseCount] = Long.MAX_VALUE; |
| specialCaseOldCurrencies[specialCaseCount] = currencyInfo; |
| specialCaseOldCurrenciesDefaultFractionDigits[specialCaseCount] = getDefaultFractionDigits(currencyInfo); |
| specialCaseOldCurrenciesNumericCode[specialCaseCount] = getNumericCode(currencyInfo); |
| specialCaseNewCurrencies[specialCaseCount] = null; |
| specialCaseNewCurrenciesDefaultFractionDigits[specialCaseCount] = 0; |
| specialCaseNewCurrenciesNumericCode[specialCaseCount] = 0; |
| } else { |
| int length = currencyInfo.length(); |
| if (currencyInfo.charAt(3) != ';' || |
| currencyInfo.charAt(length - 4) != ';') { |
| throw new RuntimeException("invalid currency info: " + currencyInfo); |
| } |
| String oldCurrency = currencyInfo.substring(0, 3); |
| String newCurrency = currencyInfo.substring(length - 3, length); |
| checkCurrencyCode(oldCurrency); |
| checkCurrencyCode(newCurrency); |
| String timeString = currencyInfo.substring(4, length - 4); |
| long time = format.parse(timeString).getTime(); |
| if (Math.abs(time - System.currentTimeMillis()) > ((long) 10) * 365 * 24 * 60 * 60 * 1000) { |
| throw new RuntimeException("time is more than 10 years from present: " + time); |
| } |
| specialCaseCutOverTimes[specialCaseCount] = time; |
| specialCaseOldCurrencies[specialCaseCount] = oldCurrency; |
| specialCaseOldCurrenciesDefaultFractionDigits[specialCaseCount] = getDefaultFractionDigits(oldCurrency); |
| specialCaseOldCurrenciesNumericCode[specialCaseCount] = getNumericCode(oldCurrency); |
| specialCaseNewCurrencies[specialCaseCount] = newCurrency; |
| specialCaseNewCurrenciesDefaultFractionDigits[specialCaseCount] = getDefaultFractionDigits(newCurrency); |
| specialCaseNewCurrenciesNumericCode[specialCaseCount] = getNumericCode(newCurrency); |
| } |
| specialCaseMap.put(currencyInfo, new Integer(specialCaseCount)); |
| return specialCaseCount++; |
| } |
| |
| private static void buildOtherTables() { |
| if (validCurrencyCodes.length() % 7 != 6) { |
| throw new RuntimeException("\"all\" entry has incorrect size"); |
| } |
| for (int i = 0; i < (validCurrencyCodes.length() + 1) / 7; i++) { |
| if (i > 0 && validCurrencyCodes.charAt(i * 7 - 1) != '-') { |
| throw new RuntimeException("incorrect separator in \"all\" entry"); |
| } |
| String currencyCode = validCurrencyCodes.substring(i * 7, i * 7 + 3); |
| int numericCode = Integer.parseInt( |
| validCurrencyCodes.substring(i * 7 + 3, i * 7 + 6)); |
| checkCurrencyCode(currencyCode); |
| int tableEntry = mainTable[(currencyCode.charAt(0) - 'A') * A_TO_Z + (currencyCode.charAt(1) - 'A')]; |
| if (tableEntry == INVALID_COUNTRY_ENTRY || |
| (tableEntry & SPECIAL_CASE_COUNTRY_MASK) != 0 || |
| (tableEntry & SIMPLE_CASE_COUNTRY_FINAL_CHAR_MASK) != (currencyCode.charAt(2) - 'A')) { |
| if (otherCurrenciesCount == maxOtherCurrencies) { |
| throw new RuntimeException("too many other currencies"); |
| } |
| if (otherCurrencies.length() > 0) { |
| otherCurrencies.append('-'); |
| } |
| otherCurrencies.append(currencyCode); |
| otherCurrenciesDefaultFractionDigits[otherCurrenciesCount] = getDefaultFractionDigits(currencyCode); |
| otherCurrenciesNumericCode[otherCurrenciesCount] = getNumericCode(currencyCode); |
| otherCurrenciesCount++; |
| } |
| } |
| } |
| |
| private static void checkCurrencyCode(String currencyCode) { |
| if (currencyCode.length() != 3) { |
| throw new RuntimeException("illegal length for currency code: " + currencyCode); |
| } |
| for (int i = 0; i < 3; i++) { |
| char aChar = currencyCode.charAt(i); |
| if ((aChar < 'A' || aChar > 'Z') && !currencyCode.equals("XB5")) { |
| throw new RuntimeException("currency code contains illegal character: " + currencyCode); |
| } |
| } |
| if (validCurrencyCodes.indexOf(currencyCode) == -1) { |
| throw new RuntimeException("currency code not listed as valid: " + currencyCode); |
| } |
| } |
| |
| private static void writeOutput() throws IOException { |
| out.writeInt(MAGIC_NUMBER); |
| out.writeInt(Integer.parseInt(formatVersion)); |
| out.writeInt(Integer.parseInt(dataVersion)); |
| writeIntArray(mainTable, mainTable.length); |
| out.writeInt(specialCaseCount); |
| writeLongArray(specialCaseCutOverTimes, specialCaseCount); |
| writeStringArray(specialCaseOldCurrencies, specialCaseCount); |
| writeStringArray(specialCaseNewCurrencies, specialCaseCount); |
| writeIntArray(specialCaseOldCurrenciesDefaultFractionDigits, specialCaseCount); |
| writeIntArray(specialCaseNewCurrenciesDefaultFractionDigits, specialCaseCount); |
| writeIntArray(specialCaseOldCurrenciesNumericCode, specialCaseCount); |
| writeIntArray(specialCaseNewCurrenciesNumericCode, specialCaseCount); |
| out.writeInt(otherCurrenciesCount); |
| out.writeUTF(otherCurrencies.toString()); |
| writeIntArray(otherCurrenciesDefaultFractionDigits, otherCurrenciesCount); |
| writeIntArray(otherCurrenciesNumericCode, otherCurrenciesCount); |
| } |
| |
| private static void writeIntArray(int[] ia, int count) throws IOException { |
| for (int i = 0; i < count; i ++) { |
| out.writeInt(ia[i]); |
| } |
| } |
| |
| private static void writeLongArray(long[] la, int count) throws IOException { |
| for (int i = 0; i < count; i ++) { |
| out.writeLong(la[i]); |
| } |
| } |
| |
| private static void writeStringArray(String[] sa, int count) throws IOException { |
| for (int i = 0; i < count; i ++) { |
| String str = (sa[i] != null) ? sa[i] : ""; |
| out.writeUTF(str); |
| } |
| } |
| } |
