Examples of org.apache.tapestry.util.text.LocalizedProperties

org.apache.tapestry.util.text.LocalizedProperties
A version of java.util.Properties that can read the properties from files using an encoding other than ISO-8859-1. All non-latin characters are read correctly using the given encoding and no longer need to be quoted using native2ascii. In addition, the properties may be stored in an arbitrary map, rather than only in Properties. For example, using LinkedHashMap will preserve the order of the properties as defined in the file. @author mb @since 4.0

    /**
     * Map of currency code -> CurrencyInfo for that code.
     */
    Map<String, CurrencyInfo> allCurrencyData = new HashMap<String, CurrencyInfo>();


    LocalizedProperties currencyExtra = null;
    /*
     * The searchList is guaranteed to be ordered such that subclasses always
     * precede superclasses. Therefore, we iterate backwards to ensure that
     * superclasses are always generated first.
     */
    String lastDefaultCurrencyCode = null;
    for (int i = searchList.size(); i-- > 0;) {
      GwtLocale search = searchList.get(i);
      LocalizedProperties newExtra =
          getProperties(logger, CURRENCY_EXTRA_PREFIX, search, context.getResourcesOracle());
      if (newExtra != null) {
        currencyExtra = newExtra;
      }
      Map<String, String> currencyData =

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   * not-used-flag=1 Trailing empty fields can be omitted
   */
  @SuppressWarnings("unchecked")
  private Map<String, String> getCurrencyData(TreeLogger logger, GwtLocale locale,
      ResourceOracle resourceOracle) {
    LocalizedProperties currencyData =
        getProperties(logger, CURRENCY_DATA_PREFIX, locale, resourceOracle);
    if (currencyData == null) {
      return Collections.emptyMap();
    }
    return currencyData.getPropertyMap();
  }

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   * Returns the default currency code for the requested locale.
   */
  private String getDefaultCurrency(TreeLogger logger, GwtLocale locale,
      ResourceOracle resourceOracle) {
    String defCurrencyCode = null;
    LocalizedProperties numberConstants =
        getProperties(logger, NUMBER_CONSTANTS_PREFIX, locale, resourceOracle);
    if (numberConstants != null) {
      defCurrencyCode = numberConstants.getProperty("defCurrencyCode");
    }
    if (defCurrencyCode == null && locale.isDefault()) {
      defCurrencyCode = "USD";
    }
    return defCurrencyCode;

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    if (!locale.isDefault()) {
      propFile += "_" + locale.getAsString();
    }
    propFile += ".properties";
    InputStream str = null;
    LocalizedProperties props = new LocalizedProperties();
    try {
      str = ResourceLocatorImpl.tryFindResourceAsStream(logger, resourceOracle, propFile);
      if (str != null) {
        props.load(str, "UTF-8");
        return props;
      }
    } catch (UnsupportedEncodingException e) {
      // UTF-8 should always be defined
      return null;

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  private Map<String, MultipleFormEntry> entries;


  @SuppressWarnings("unchecked")
  public LocalizedPropertiesResource(InputStream m, GwtLocale locale) {
    super(locale);
    LocalizedProperties props = new LocalizedProperties();
    try {
      props.load(m, Util.DEFAULT_ENCODING);
    } catch (IOException e) {
      throw new RuntimeException("Failed to load " + this.getPath(), e);
    }
    entries = new HashMap<String, MultipleFormEntry>();
    for (Object propEntryObj : props.getPropertyMap().entrySet()) {
      Map.Entry<String, String> propEntry = (Entry<String, String>) propEntryObj;
      String key = propEntry.getKey().trim();
      String value = propEntry.getValue();
      int startBracket = key.indexOf('[');
      int endBracket = key.indexOf(']', startBracket + 1);

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      writer.println("private native void ensureNativeDisplayNames() /*-{");
      writer.println("  if (this.@" + qualName + "::nativeDisplayNames != null) {");
      writer.println("    return;");
      writer.println("  }");
      writer.println("  this.@" + qualName + "::nativeDisplayNames = {");
      LocalizedProperties displayNames = new LocalizedProperties();
      LocalizedProperties displayNamesManual = new LocalizedProperties();
      LocalizedProperties displayNamesOverride = new LocalizedProperties();
      ClassLoader classLoader = getClass().getClassLoader();
      try {
        InputStream str = classLoader.getResourceAsStream(GENERATED_LOCALE_NATIVE_DISPLAY_NAMES);
        if (str != null) {
          displayNames.load(str, "UTF-8");
        }
        str = classLoader.getResourceAsStream(MANUAL_LOCALE_NATIVE_DISPLAY_NAMES);
        if (str != null) {
          displayNamesManual.load(str, "UTF-8");
        }
        str = classLoader.getResourceAsStream(OVERRIDE_LOCALE_NATIVE_DISPLAY_NAMES);
        if (str != null) {
          displayNamesOverride.load(str, "UTF-8");
        }
      } catch (UnsupportedEncodingException e) {
        // UTF-8 should always be defined
        logger.log(TreeLogger.ERROR, "UTF-8 encoding is not defined", e);
        throw new UnableToCompleteException();
      } catch (IOException e) {
        logger.log(TreeLogger.ERROR, "Exception reading locale display names", e);
        throw new UnableToCompleteException();
      }
      boolean needComma = false;
      for (String propval : localeValues) {
        String displayName = displayNamesOverride.getProperty(propval);
        if (displayName == null) {
          displayName = displayNamesManual.getProperty(propval);
        }
        if (displayName == null) {
          displayName = displayNames.getProperty(propval);

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      factory.addImport(CURRENCY_LIST);
      factory.addImport(CURRENCY_DATA);
      SourceWriter writer = factory.createSourceWriter(context, pw);
      
      // Load property files for this locale, handling inheritance properly.
      LocalizedProperties currencyData = readProperties(logger, CURRENCY_DATA_PREFIX, locale);
      LocalizedProperties currencyExtra = readProperties(logger, CURRENCY_EXTRA_PREFIX, locale);
      LocalizedProperties numberConstants = readProperties(logger, NUMBER_CONSTANTS_PREFIX, locale);
      
      // Get default currency code, set defaults in case it isn't found.
      String defCurrencyCode = numberConstants.getProperty("defCurrencyCode");
      if (defCurrencyCode == null) {
        defCurrencyCode = "USD";
      }
      
      // Sort for deterministic output.

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   * @return a LocalizedProperties object containing all properties
   * @throws UnableToCompleteException if an error occurs reading the file
   */
  private LocalizedProperties readProperties(TreeLogger logger, String propFilePrefix,
      String locale) throws UnableToCompleteException {
    LocalizedProperties props = new LocalizedProperties();
    ClassLoader classLoader = getClass().getClassLoader();
    readProperties(logger, classLoader, propFilePrefix, props);
    if (locale.equals("default")) {
      return props;
    }

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        GwtLocale locale = factory.fromString(suffix).getCanonicalForm();
        File f = new File(propDir, propFile);
        FileInputStream str = null;
        try {
          str = new FileInputStream(f);
          LocalizedProperties props = new LocalizedProperties();
          props.load(str);
          Map<String, String> map = props.getPropertyMap();
          for (Map.Entry<String, String> entry : map.entrySet()) {
            String[] value = split(entry.getValue());
            if ("dateFormats".equals(entry.getKey()) || "timeFormats".equals(entry.getKey())
                || "weekendRange".equals(entry.getKey())) {
              // split these out into separate fields

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  protected abstract String javaDocComment(String path);


  @SuppressWarnings("unchecked") // use of raw type from LocalizedProperties
  void generateFromPropertiesFile() throws IOException {
    InputStream propStream = new FileInputStream(resourceFile);
    LocalizedProperties p = new LocalizedProperties();
    p.load(propStream, Util.DEFAULT_ENCODING);
    addFormatters();
    // TODO: Look for a generic version of Tapestry's LocalizedProperties class
    Set<String> keySet = p.getPropertyMap().keySet();
    // sort keys for deterministic results
    String[] keys = keySet.toArray(new String[keySet.size()]);
    Arrays.sort(keys);
    if (keys.length == 0) {
      throw new IllegalStateException(
          "File '"
              + resourceFile
              + "' cannot be used to generate message classes, as it has no key/value pairs defined.");
    }
    for (String key : keys) {
      String value = p.getProperty(key);
      genSimpleMethodDecl(key, value);
    }
    composer.commit(new PrintWriterTreeLogger());
  }

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