| /* |
| * 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.uibinder.rebind.messages; |
| |
| import com.google.gwt.uibinder.rebind.IndentedWriter; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Represents a {@literal @}Generate annotation in a Messages interface, |
| * and can write it out at code gen time. |
| */ |
| class GenerateAnnotationWriter { |
| private static String toArgsList(List<String> strings) { |
| StringBuilder b = new StringBuilder(); |
| boolean first = true; |
| for (String s : strings) { |
| if (first) { |
| first = false; |
| } else { |
| b.append(",\n "); |
| } |
| b.append(s); |
| } |
| return b.toString(); |
| } |
| |
| private static String toArrayLiteral(String[] strings) { |
| StringBuilder b = new StringBuilder("{"); |
| for (String s : strings) { |
| b.append(String.format("\"%s\", ", s)); |
| } |
| b.append('}'); |
| return b.toString(); |
| } |
| |
| private final String[] formats; |
| private final String fileName; |
| private final String[] locales; |
| |
| public GenerateAnnotationWriter(String[] formats, String fileName, |
| String[] locales) { |
| this.formats = formats; |
| this.fileName = fileName; |
| this.locales = locales; |
| } |
| |
| public void write(IndentedWriter w) { |
| boolean hasFormats = formats.length > 0; |
| boolean hasFileName = fileName.length() > 0; |
| boolean hasLocales = locales.length > 0; |
| |
| if (hasFormats || hasFileName || hasLocales) { |
| List<String> args = new ArrayList<String>(); |
| if (hasFormats) { |
| args.add(String.format("format = %s", toArrayLiteral(formats))); |
| } |
| if (hasFileName) { |
| args.add(String.format("fileName = \"%s\"", fileName)); |
| } |
| if (hasLocales) { |
| args.add(String.format("locales = %s", toArrayLiteral(locales))); |
| } |
| |
| w.write("@Generate("); |
| w.indent(); |
| w.write(toArgsList(args)); |
| w.outdent(); |
| w.write(")"); |
| } |
| } |
| } |