| /* |
| * 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.UnableToCompleteException; |
| 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; |
| |
| /** |
| * Method creator to handle <code>Number</code> creation. |
| */ |
| class SimpleValueMethodCreator extends AbstractLocalizableMethodCreator { |
| |
| /** |
| * Helper class to delegate to the correct Number parser for this method. |
| */ |
| public abstract static class AbstractValueCreator { |
| abstract String getValue(String stringVal); |
| } |
| |
| private static class BadBooleanPropertyValue extends RuntimeException { |
| } |
| |
| static final AbstractValueCreator DOUBLE = new AbstractValueCreator() { |
| @Override |
| String getValue(String stringVal) { |
| return Double.parseDouble(stringVal) + ""; |
| } |
| }; |
| static final AbstractValueCreator FLOAT = new AbstractValueCreator() { |
| @Override |
| String getValue(String stringVal) { |
| return Float.parseFloat(stringVal) + "f"; |
| } |
| }; |
| static final AbstractValueCreator INT = new AbstractValueCreator() { |
| @Override |
| String getValue(String stringVal) { |
| return Integer.parseInt(stringVal) + ""; |
| } |
| }; |
| static final AbstractValueCreator STRING = new AbstractValueCreator() { |
| @Override |
| String getValue(String stringVal) { |
| return wrap(stringVal); |
| } |
| }; |
| static final AbstractValueCreator BOOLEAN = new AbstractValueCreator() { |
| @Override |
| String getValue(String stringVal) { |
| if ("true".equals(stringVal)) { |
| return "true"; |
| } else if ("false".equals(stringVal)) { |
| return "false"; |
| } else { |
| throw new BadBooleanPropertyValue(); |
| } |
| } |
| }; |
| |
| private AbstractValueCreator valueCreator; |
| |
| /** |
| * Constructor for <code>SimpleValueMethodCreator</code>. |
| * |
| * @param currentCreator |
| * @param valueCreator |
| */ |
| SimpleValueMethodCreator(AbstractGeneratorClassCreator currentCreator, |
| AbstractValueCreator valueCreator) { |
| super(currentCreator); |
| this.valueCreator = valueCreator; |
| } |
| |
| @Override |
| public void createMethodFor(TreeLogger logger, JMethod targetMethod, |
| String key, ResourceList resourceList, GwtLocale locale) |
| throws UnableToCompleteException { |
| String value = resourceList.getRequiredStringExt(key, null); |
| try { |
| String translatedValue = valueCreator.getValue(value); |
| println("return " + translatedValue + ";"); |
| } catch (NumberFormatException e) { |
| throw error(logger, value + " could not be parsed as a number."); |
| } catch (BadBooleanPropertyValue e) { |
| throw error( |
| logger, |
| "'" |
| + value |
| + "' is not a valid boolean property value; must be 'true' or 'false'"); |
| } |
| } |
| } |