| /* |
| * 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.ext.TreeLogger; |
| import com.google.gwt.core.ext.typeinfo.JMethod; |
| import com.google.gwt.i18n.rebind.AbstractResource.ResourceList; |
| import com.google.gwt.i18n.shared.GwtLocale; |
| import com.google.gwt.user.rebind.AbstractGeneratorClassCreator; |
| |
| /** |
| * Creator for methods of the form String[] getX(). |
| */ |
| class ConstantsStringArrayMethodCreator extends |
| AbstractLocalizableMethodCreator { |
| |
| static String[] split(String target) { |
| // We add an artificial end character to avoid the odd split() behavior |
| // that drops the last item if it is only whitespace. |
| target = target + "~"; |
| |
| // Do not split on escaped commas. |
| String[] args = target.split("(?<![\\\\]),"); |
| |
| // Now remove the artificial ending we added above. |
| // We have to do it before we escape and trim because otherwise |
| // the artificial trailing '~' would prevent the last item from being |
| // properly trimmed. |
| if (args.length > 0) { |
| int last = args.length - 1; |
| args[last] = args[last].substring(0, args[last].length() - 1); |
| } |
| |
| for (int i = 0; i < args.length; i++) { |
| args[i] = args[i].replaceAll("\\\\,", ",").trim(); |
| } |
| return args; |
| } |
| |
| /** |
| * Constructor for localizable string array method creator. |
| * |
| * @param classCreator |
| */ |
| public ConstantsStringArrayMethodCreator( |
| AbstractGeneratorClassCreator classCreator) { |
| super(classCreator); |
| } |
| |
| @Override |
| public void createMethodFor(TreeLogger logger, JMethod method, String key, |
| ResourceList resource, GwtLocale locale) { |
| String methodName = method.getName(); |
| // Make sure cache exists. |
| enableCache(); |
| // Check cache for array. |
| println("String args[] = (String[]) cache.get(" + wrap(methodName) + ");"); |
| // If not found, create String[]. |
| println("if (args == null) {"); |
| indent(); |
| println("String [] writer= {"); |
| indent(); |
| String template = resource.getRequiredStringExt(key, null); |
| String[] args = split(template); |
| for (int i = 0; i < args.length; i++) { |
| String toPrint = args[i].replaceAll("\\,", ","); |
| println(wrap(toPrint) + ","); |
| } |
| outdent(); |
| println("};"); |
| // add to cache, and return |
| println("cache.put(" + wrap(methodName) + ", writer);"); |
| println("return writer;"); |
| outdent(); |
| println("} else {"); |
| indent(); |
| println("return args;"); |
| outdent(); |
| println("}"); |
| } |
| } |