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/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.i18n.rebind;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.ext.Generator;
import com.google.gwt.core.ext.GeneratorContext;
import com.google.gwt.core.ext.PropertyOracle;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JClassType;
import com.google.gwt.core.ext.typeinfo.NotFoundException;
import com.google.gwt.core.ext.typeinfo.TypeOracle;
import com.google.gwt.i18n.client.CurrencyList;
import com.google.gwt.i18n.client.impl.CurrencyDataImpl;
import com.google.gwt.i18n.shared.GwtLocale;
import com.google.gwt.user.rebind.ClassSourceFileComposerFactory;
import com.google.gwt.user.rebind.SourceWriter;
import org.apache.tapestry.util.text.LocalizedProperties;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.Map.Entry;
import java.util.regex.Pattern;
/**
* Generator used to generate a localized version of CurrencyList, which
* contains the list of currencies (with names, symbols, and other information)
* localized to the current locale.
*/
public class CurrencyListGenerator extends Generator {
/**
* Immutable collection of data about a currency in a locale, built from the
* CurrencyData and CurrencyExtra properties files.
*/
private static class CurrencyInfo {
private static final Pattern SPLIT_VERTICALBAR = Pattern.compile("\\|");
private final String code;
private final String displayName;
private final int flags;
private final boolean obsolete;
private final String portableSymbol;
private final String symbol;
/**
* Create an instance.
*
* currencyData format:
*
*
If a symbol is not supplied, the currency code will be used
*
If # of decimal digits is omitted, 2 is used
*
If a currency is not generally used, not-used-flag=1
*
Trailing empty fields can be omitted
*
If null, use currencyCode as the display name
*
*
* extraData format:
*
*
* portable symbol|flags|currency symbol override
* flags are space separated list of:
* At most one of the following:
* SymPrefix The currency symbol goes before the number,
* regardless of the normal position for this locale.
* SymSuffix The currency symbol goes after the number,
* regardless of the normal position for this locale.
*
* At most one of the following:
* ForceSpace Always add a space between the currency symbol
* and the number.
* ForceNoSpace Never add a space between the currency symbol
* and the number.
*
*
* @param currencyCode ISO4217 currency code
* @param currencyData entry from a CurrencyData properties file
* @param extraData entry from a CurrencyExtra properties file
* @throws NumberFormatException
*/
public CurrencyInfo(String currencyCode, String currencyData,
String extraData) throws NumberFormatException {
code = currencyCode;
if (currencyData == null) {
currencyData = currencyCode;
}
String[] currencySplit = SPLIT_VERTICALBAR.split(currencyData);
String currencyDisplay = currencySplit[0];
String currencySymbol = null;
if (currencySplit.length > 1 && currencySplit[1].length() > 0) {
currencySymbol = currencySplit[1];
}
int currencyFractionDigits = 2;
if (currencySplit.length > 2 && currencySplit[2].length() > 0) {
currencyFractionDigits = Integer.valueOf(currencySplit[2]);
}
boolean currencyObsolete = false;
if (currencySplit.length > 3 && currencySplit[3].length() > 0) {
currencyObsolete = Integer.valueOf(currencySplit[3]) != 0;
}
int currencyFlags = currencyFractionDigits;
if (currencyObsolete) {
currencyFlags |= CurrencyDataImpl.DEPRECATED_FLAG;
}
String currencyPortableSymbol = "";
if (extraData != null) {
// CurrencyExtra contains up to 3 fields separated by |
// 0 - portable currency symbol
// 1 - space-separated flags regarding currency symbol
// positioning/spacing
// 2 - override of CLDR-derived currency symbol
String[] extraSplit = SPLIT_VERTICALBAR.split(extraData);
currencyPortableSymbol = extraSplit[0];
if (extraSplit.length > 1) {
if (extraSplit[1].contains("SymPrefix")) {
currencyFlags |= CurrencyDataImpl.POS_FIXED_FLAG;
} else if (extraSplit[1].contains("SymSuffix")) {
currencyFlags |= CurrencyDataImpl.POS_FIXED_FLAG
| CurrencyDataImpl.POS_SUFFIX_FLAG;
}
if (extraSplit[1].contains("ForceSpace")) {
currencyFlags |= CurrencyDataImpl.SPACING_FIXED_FLAG
| CurrencyDataImpl.SPACE_FORCED_FLAG;
} else if (extraSplit[1].contains("ForceNoSpace")) {
currencyFlags |= CurrencyDataImpl.SPACING_FIXED_FLAG;
}
}
// If a non-empty override is supplied, use it for the currency
// symbol.
if (extraSplit.length > 2 && extraSplit[2].length() > 0) {
currencySymbol = extraSplit[2];
}
// If we don't have a currency symbol yet, use the portable symbol if
// supplied.
if (currencySymbol == null && currencyPortableSymbol.length() > 0) {
currencySymbol = currencyPortableSymbol;
}
}
// If all else fails, use the currency code as the symbol.
if (currencySymbol == null) {
currencySymbol = currencyCode;
}
displayName = currencyDisplay;
symbol = currencySymbol;
flags = currencyFlags;
portableSymbol = currencyPortableSymbol;
obsolete = currencyObsolete;
}
public String getDisplayName() {
return displayName;
}
public int getFlags() {
return flags;
}
public String getJava() {
StringBuilder buf = new StringBuilder();
buf.append("new CurrencyDataImpl(\"").append(quote(code)).append("\", \"");
buf.append(quote(symbol)).append("\", ").append(flags);
if (portableSymbol.length() > 0) {
buf.append(", \"").append(quote(portableSymbol)).append('\"');
}
return buf.append(')').toString();
}
public String getJson() {
StringBuilder buf = new StringBuilder();
buf.append("[ \"").append(quote(code)).append("\", \"");
buf.append(quote(symbol)).append("\", ").append(flags);
if (portableSymbol.length() > 0) {
buf.append(", \"").append(quote(portableSymbol)).append('\"');
}
return buf.append(']').toString();
}
public String getSymbol() {
return symbol;
}
public boolean isObsolete() {
return obsolete;
}
}
private static final String CURRENCY_DATA = CurrencyDataImpl.class.getCanonicalName();
/**
* Prefix for properties files containing CLDR-derived currency data for each
* locale.
*/
private static final String CURRENCY_DATA_PREFIX =
"com/google/gwt/i18n/client/impl/cldr/CurrencyData";
/**
* Prefix for properties files containing additional flags about currencies
* each locale, which are not present in CLDR.
*/
private static final String CURRENCY_EXTRA_PREFIX =
"com/google/gwt/i18n/client/constants/CurrencyExtra";
private static final String CURRENCY_LIST = CurrencyList.class.getCanonicalName();
private static final String HASHMAP = HashMap.class.getCanonicalName();
private static final String JAVASCRIPTOBJECT = JavaScriptObject.class.getCanonicalName();
/**
* Prefix for properties files containing number formatting constants for each
* locale. We use this only to get the default currency for our current
* locale.
*/
private static final String NUMBER_CONSTANTS_PREFIX =
"com/google/gwt/i18n/client/constants/NumberConstantsImpl";
/**
* Backslash-escape any double quotes in the supplied string.
*
* @param str string to quote
* @return string with double quotes backslash-escaped.
*/
private static String quote(String str) {
return str.replace("\"", "\\\"");
}
/**
* Generate an implementation for the given type.
*
* @param logger error logger
* @param context generator context
* @param typeName target type name
* @return generated class name
* @throws UnableToCompleteException
*/
@Override
public final String generate(TreeLogger logger, GeneratorContext context,
String typeName) throws UnableToCompleteException {
assert CURRENCY_LIST.equals(typeName);
TypeOracle typeOracle = context.getTypeOracle();
PropertyOracle propertyOracle = context.getPropertyOracle();
LocaleUtils localeUtils = LocaleUtils.getInstance(logger, propertyOracle,
context);
GwtLocale locale = localeUtils.getCompileLocale();
Set runtimeLocales = localeUtils.getRuntimeLocales();
JClassType targetClass;
try {
targetClass = typeOracle.getType(typeName);
} catch (NotFoundException e) {
logger.log(TreeLogger.ERROR, "No such type", e);
throw new UnableToCompleteException();
}
if (runtimeLocales.isEmpty()) {
return generateLocaleTree(logger, context, targetClass, locale);
}
CachedGeneratorContext cachedContext = new CachedGeneratorContext(context);
return generateRuntimeSelection(logger, cachedContext, targetClass, locale,
runtimeLocales);
}
/**
* Generate an implementation class for the requested locale, including all
* parent classes along the inheritance chain. The data will be kept at the
* location in the inheritance chain where it was defined in properties files.
*
* @param logger
* @param context
* @param targetClass
* @param locale
* @return generated class name for the requested locale
*/
private String generateLocaleTree(TreeLogger logger, GeneratorContext context,
JClassType targetClass, GwtLocale locale) {
String superClassName = CURRENCY_LIST;
List searchList = locale.getCompleteSearchList();
/**
* Map of currency code -> CurrencyInfo for that code.
*/
Map allCurrencyData = new HashMap();
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(CURRENCY_EXTRA_PREFIX,
search);
if (newExtra != null) {
currencyExtra = newExtra;
}
Map currencyData = getCurrencyData(search);
Set keySet = currencyData.keySet();
String[] currencies = new String[keySet.size()];
keySet.toArray(currencies);
Arrays.sort(currencies);
// Go ahead and populate the data map.
for (String currencyCode : currencies) {
String extraData = currencyExtra == null ? null
: currencyExtra.getProperty(currencyCode);
allCurrencyData.put(currencyCode, new CurrencyInfo(currencyCode,
currencyData.get(currencyCode), extraData));
}
String defCurrencyCode = getDefaultCurrency(search);
// If this locale specifies a particular locale, or the one that is
// inherited has been changed in this locale, re-specify the default
// currency so the method will be generated.
if (defCurrencyCode == null && keySet.contains(lastDefaultCurrencyCode)) {
defCurrencyCode = lastDefaultCurrencyCode;
}
if (!currencyData.isEmpty() || defCurrencyCode != null) {
String newClass =
generateOneLocale(logger, context, targetClass, search,
superClassName, currencies, allCurrencyData, defCurrencyCode);
superClassName = newClass;
lastDefaultCurrencyCode = defCurrencyCode;
}
}
return superClassName;
}
/**
* Generate the implementation for a single locale, overriding from its parent
* only data that has changed in this locale.
*
* @param logger
* @param context
* @param targetClass
* @param locale
* @param superClassName
* @param currencies the set of currencies defined in this locale
* @param allCurrencyData map of currency code -> unparsed CurrencyInfo for
* that code
* @param defCurrencyCode default currency code for this locale
* @return fully-qualified class name generated
*/
private String generateOneLocale(TreeLogger logger, GeneratorContext context,
JClassType targetClass, GwtLocale locale, String superClassName,
String[] currencies, Map allCurrencyData,
String defCurrencyCode) {
String packageName = targetClass.getPackage().getName();
String className = targetClass.getName().replace('.', '_') + "_"
+ locale.getAsString();
PrintWriter pw = context.tryCreate(logger, packageName, className);
if (pw != null) {
ClassSourceFileComposerFactory factory =
new ClassSourceFileComposerFactory(packageName, className);
factory.setSuperclass(superClassName);
factory.addImport(CURRENCY_DATA);
factory.addImport(JAVASCRIPTOBJECT);
factory.addImport(HASHMAP);
SourceWriter writer = factory.createSourceWriter(context, pw);
if (defCurrencyCode != null) {
CurrencyInfo currencyInfo = allCurrencyData.get(defCurrencyCode);
if (currencyInfo == null) {
// Synthesize a null info if the specified default wasn't found.
currencyInfo = new CurrencyInfo(defCurrencyCode, null, null);
allCurrencyData.put(defCurrencyCode, currencyInfo);
}
writer.println();
writer.println("@Override");
writer.println("protected CurrencyData getDefaultJava() {");
writer.println(" return " + currencyInfo.getJava() + ";");
writer.println("}");
writer.println();
writer.println("@Override");
writer.println("protected native CurrencyData getDefaultNative() /*-{");
writer.println(" return " + currencyInfo.getJson() + ";");
writer.println("}-*/;");
}
if (currencies.length > 0) {
writeCurrencyMethodJava(writer, currencies, allCurrencyData);
writeCurrencyMethodNative(writer, currencies, allCurrencyData);
writeNamesMethodJava(writer, currencies, allCurrencyData);
writeNamesMethodNative(writer, currencies, allCurrencyData);
}
writer.commit(logger);
}
return packageName + "." + className;
}
/**
* Generate a class which can select between alternate implementations at
* runtime based on the runtime locale.
*
* @param logger TreeLogger instance for log messages
* @param context GeneratorContext for generating source files
* @param targetClass class to generate
* @param compileLocale the compile-time locale we are generating for
* @param locales set of all locales to generate
* @return fully-qualified class name that was generated
*/
private String generateRuntimeSelection(TreeLogger logger,
GeneratorContext context, JClassType targetClass, GwtLocale compileLocale,
Set locales) {
String packageName = targetClass.getPackage().getName();
String className =
targetClass.getName().replace('.', '_') + "_"
+ compileLocale.getAsString() + "_runtimeSelection";
PrintWriter pw = context.tryCreate(logger, packageName, className);
if (pw != null) {
ClassSourceFileComposerFactory factory =
new ClassSourceFileComposerFactory(packageName, className);
factory.setSuperclass(targetClass.getQualifiedSourceName());
factory.addImport(CURRENCY_DATA);
factory.addImport(JAVASCRIPTOBJECT);
factory.addImport(HASHMAP);
factory.addImport("com.google.gwt.i18n.client.LocaleInfo");
SourceWriter writer = factory.createSourceWriter(context, pw);
writer.println("private CurrencyList instance;");
writer.println();
writer.println("@Override");
writer.println("protected CurrencyData getDefaultJava() {");
writer.println(" ensureInstance();");
writer.println(" return instance.getDefaultJava();");
writer.println("}");
writer.println();
writer.println("@Override");
writer.println("protected CurrencyData getDefaultNative() {");
writer.println(" ensureInstance();");
writer.println(" return instance.getDefaultNative();");
writer.println("}");
writer.println();
writer.println("@Override");
writer.println("protected HashMap loadCurrencyMapJava() {");
writer.println(" ensureInstance();");
writer.println(" return instance.loadCurrencyMapJava();");
writer.println("}");
writer.println();
writer.println("@Override");
writer.println("protected JavaScriptObject loadCurrencyMapNative() {");
writer.println(" ensureInstance();");
writer.println(" return instance.loadCurrencyMapNative();");
writer.println("}");
writer.println();
writer.println("@Override");
writer.println("protected HashMap loadNamesMapJava() {");
writer.println(" ensureInstance();");
writer.println(" return instance.loadNamesMapJava();");
writer.println("}");
writer.println();
writer.println("@Override");
writer.println("protected JavaScriptObject loadNamesMapNative() {");
writer.println(" ensureInstance();");
writer.println(" return instance.loadNamesMapNative();");
writer.println("}");
writer.println();
writer.println("private void ensureInstance() {");
writer.indent();
writer.println("if (instance != null) {");
writer.println(" return;");
writer.println("}");
boolean fetchedLocale = false;
Map> localeMap = new TreeMap>();
String compileLocaleClass =
processChildLocale(logger, context, targetClass, localeMap,
compileLocale);
if (compileLocaleClass == null) {
// already gave warning, just use default implementation
return null;
}
for (GwtLocale runtimeLocale : locales) {
processChildLocale(logger, context, targetClass, localeMap,
runtimeLocale);
}
for (Entry> entry : localeMap.entrySet()) {
if (!fetchedLocale) {
writer.println("String runtimeLocale = LocaleInfo.getCurrentLocale().getLocaleName();");
fetchedLocale = true;
}
boolean firstLocale = true;
String generatedClass = entry.getKey();
if (compileLocaleClass.equals(generatedClass)) {
// The catch-all will handle this
continue;
}
writer.print("if (");
for (GwtLocale locale : entry.getValue()) {
if (firstLocale) {
firstLocale = false;
} else {
writer.println();
writer.print(" || ");
}
writer.print("\"" + locale.toString() + "\".equals(runtimeLocale)");
}
writer.println(") {");
writer.println(" instance = new " + generatedClass + "();");
writer.println(" return;");
writer.println("}");
}
writer.println("instance = new " + compileLocaleClass + "();");
writer.outdent();
writer.println("}");
writer.commit(logger);
}
return packageName + "." + className;
}
/**
* Return a map of currency data for the requested locale, or null if there is
* not one (not that inheritance is not handled here).
*
* The keys are ISO4217 currency codes. The format of the map values is:
*
*
*
* If a symbol is not supplied, the currency code will be used If # of decimal
* digits is omitted, 2 is used If a currency is not generally used,
* not-used-flag=1 Trailing empty fields can be omitted
*
* @param locale
* @return currency data map
*/
@SuppressWarnings("unchecked")
private Map getCurrencyData(GwtLocale locale) {
LocalizedProperties currencyData = getProperties(CURRENCY_DATA_PREFIX,
locale);
if (currencyData == null) {
return Collections.emptyMap();
}
return currencyData.getPropertyMap();
}
/**
* Returns the default currency code for the requested locale.
*
* @param locale
* @return ISO4217 currency code
*/
private String getDefaultCurrency(GwtLocale locale) {
String defCurrencyCode = null;
LocalizedProperties numberConstants = getProperties(NUMBER_CONSTANTS_PREFIX, locale);
if (numberConstants != null) {
defCurrencyCode = numberConstants.getProperty("defCurrencyCode");
}
if (defCurrencyCode == null && locale.isDefault()) {
defCurrencyCode = "USD";
}
return defCurrencyCode;
}
/**
* Load a properties file for a given locale. Note that locale inheritance is
* the responsibility of the caller.
*
* @param prefix classpath prefix of properties file
* @param locale locale to load
* @return LocalizedProperties instance containing properties file or null if
* not found.
*/
private LocalizedProperties getProperties(String prefix, GwtLocale locale) {
String propFile = prefix;
if (!locale.isDefault()) {
propFile += "_" + locale.getAsString();
}
propFile += ".properties";
InputStream str = null;
ClassLoader classLoader = getClass().getClassLoader();
LocalizedProperties props = new LocalizedProperties();
try {
str = classLoader.getResourceAsStream(propFile);
if (str != null) {
props.load(str, "UTF-8");
return props;
}
} catch (UnsupportedEncodingException e) {
// UTF-8 should always be defined
return null;
} catch (IOException e) {
return null;
} finally {
if (str != null) {
try {
str.close();
} catch (IOException e) {
}
}
}
return null;
}
/**
* Generate an implementation for a runtime locale, to be referenced from the
* generated runtime selection code.
*
* @param logger
* @param context
* @param targetClass
* @param localeMap
* @param locale
* @return class name of the generated class, or null if failed
*/
private String processChildLocale(TreeLogger logger, GeneratorContext context,
JClassType targetClass, Map> localeMap,
GwtLocale locale) {
String generatedClass = generateLocaleTree(logger, context, targetClass,
locale);
if (generatedClass == null) {
logger.log(TreeLogger.ERROR, "Failed to generate "
+ targetClass.getQualifiedSourceName() + " in locale "
+ locale.toString());
// skip failed locale
return null;
}
Set locales = localeMap.get(generatedClass);
if (locales == null) {
locales = new HashSet();
localeMap.put(generatedClass, locales);
}
locales.add(locale);
return generatedClass;
}
/**
* Writes a loadCurrencyMapJava method for the current locale, based on its
* currency data and its superclass (if any). As currencies are included in
* this method, their names are added to {@code nameMap} for later use.
*
* If no new currency data is added for this locale over its superclass, the
* method is omitted entirely.
*
* @param allCurrencyData map of currency codes to currency data for the
* current locale, including all inherited currencies data
* @param className name of the class we are generating
* @param writer SourceWriter instance to use for writing the class
* @param currencies array of valid currency names in the order they should be
* listed
*/
private void writeCurrencyMethodJava(SourceWriter writer,
String[] currencies, Map allCurrencyData) {
boolean needHeader = true;
for (String currencyCode : currencies) {
// TODO(jat): only emit new data where it differs from superclass!
CurrencyInfo currencyInfo = allCurrencyData.get(currencyCode);
if (needHeader) {
needHeader = false;
writer.println();
writer.println("@Override");
writer.println("protected HashMap loadCurrencyMapJava() {");
writer.indent();
writer.println("HashMap result = super.loadCurrencyMapJava();");
}
writer.println("// " + currencyInfo.getDisplayName());
writer.println("result.put(\"" + quote(currencyCode) + "\", "
+ currencyInfo.getJava() + ");");
}
if (!needHeader) {
writer.println("return result;");
writer.outdent();
writer.println("}");
}
}
/**
* Writes a loadCurrencyMapNative method for the current locale, based on its
* currency data and its superclass (if any). As currencies are included in
* this method, their names are added to {@code nameMap} for later use.
*
* If no new currency data is added for this locale over its superclass, the
* method is omitted entirely.
*
* @param allCurrencyData map of currency codes to currency data for the
* current locale, including all inherited currencies data
* @param className name of the class we are generating
* @param writer SourceWriter instance to use for writing the class
* @param currencies array of valid currency names in the order they should be
* listed
*/
private void writeCurrencyMethodNative(SourceWriter writer,
String[] currencies, Map allCurrencyData) {
boolean needHeader = true;
for (String currencyCode : currencies) {
// TODO(jat): only emit new data where it differs from superclass!
CurrencyInfo currencyInfo = allCurrencyData.get(currencyCode);
if (needHeader) {
needHeader = false;
writer.println();
writer.println("@Override");
writer.println("protected JavaScriptObject loadCurrencyMapNative() {");
writer.indent();
writer.println("return overrideMap(super.loadCurrencyMapNative(), loadMyCurrencyMapOverridesNative());");
writer.outdent();
writer.println("}");
writer.println();
writer.println("private native JavaScriptObject loadMyCurrencyMapOverridesNative() /*-{");
writer.indent();
writer.println("return {");
writer.indent();
}
writer.println("// " + currencyInfo.getDisplayName());
writer.println("\"" + quote(currencyCode) + "\": "
+ currencyInfo.getJson() + ",");
}
if (!needHeader) {
writer.outdent();
writer.println("};");
writer.outdent();
writer.println("}-*/;");
}
}
/**
* Writes a loadNamesMapJava method for the current locale, based on its the
* supplied names map and its superclass (if any).
*
* If no new names are added for this locale over its superclass, the method
* is omitted entirely.
*
* @param className name of the class we are generating
* @param writer SourceWriter instance to use for writing the class
* @param currencies array of valid currency names in the order they should be
* listed
*/
private void writeNamesMethodJava(SourceWriter writer, String[] currencies,
Map allCurrencyData) {
boolean needHeader = true;
for (String currencyCode : currencies) {
// TODO(jat): only emit new data where it differs from superclass!
CurrencyInfo currencyInfo = allCurrencyData.get(currencyCode);
String displayName = currencyInfo.getDisplayName();
if (displayName != null && !currencyCode.equals(displayName)) {
if (needHeader) {
needHeader = false;
writer.println();
writer.println("@Override");
writer.println("protected HashMap loadNamesMapJava() {");
writer.indent();
writer.println("HashMap result = super.loadNamesMapJava();");
}
writer.println("result.put(\"" + quote(currencyCode) + "\", \""
+ quote(displayName) + "\");");
}
}
if (!needHeader) {
writer.println("return result;");
writer.outdent();
writer.println("}");
}
}
/**
* Writes a loadNamesMapNative method for the current locale, based on its the
* supplied names map and its superclass (if any).
*
* If no new names are added for this locale over its superclass, the method
* is omitted entirely.
*
* @param className name of the class we are generating
* @param writer SourceWriter instance to use for writing the class
* @param currencies array of valid currency names in the order they should be
* listed
*/
private void writeNamesMethodNative(SourceWriter writer, String[] currencies,
Map allCurrencyData) {
boolean needHeader = true;
for (String currencyCode : currencies) {
// TODO(jat): only emit new data where it differs from superclass!
CurrencyInfo currencyInfo = allCurrencyData.get(currencyCode);
String displayName = currencyInfo.getDisplayName();
if (displayName != null && !currencyCode.equals(displayName)) {
if (needHeader) {
needHeader = false;
writer.println();
writer.println("@Override");
writer.println("protected JavaScriptObject loadNamesMapNative() {");
writer.indent();
writer.println("return overrideMap(super.loadNamesMapNative(), loadMyNamesMapOverridesNative());");
writer.outdent();
writer.println("}");
writer.println();
writer.println("private native JavaScriptObject loadMyNamesMapOverridesNative() /*-{");
writer.indent();
writer.println("return {");
writer.indent();
}
writer.println("\"" + quote(currencyCode) + "\": \""
+ quote(displayName) + "\",");
}
}
if (!needHeader) {
writer.outdent();
writer.println("};");
writer.outdent();
writer.println("}-*/;");
}
}
}
