| /* |
| * 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.elementparsers; |
| |
| import com.google.gwt.core.ext.UnableToCompleteException; |
| import com.google.gwt.uibinder.rebind.UiBinderWriter; |
| import com.google.gwt.uibinder.rebind.XMLElement; |
| import com.google.gwt.uibinder.rebind.messages.AttributeMessage; |
| import com.google.gwt.uibinder.rebind.messages.MessagesWriter; |
| |
| /** |
| * Examines each element for child <ui:attr/> elements, and replaces the |
| * corresponding attributes of the examinee with references to the translatable |
| * messages created. |
| * <p> |
| * That is, when examining element foo in |
| * <pre> |
| * <foo bar="baz"> |
| * <ui:attr name="baz"> |
| * </foo></pre> |
| * cosume the ui:attr element, and declare a method on the Messages interface |
| * with {@literal @}Default("baz") |
| */ |
| class AttributeMessageInterpreter implements XMLElement.Interpreter<String> { |
| |
| private final UiBinderWriter writer; |
| |
| public AttributeMessageInterpreter(UiBinderWriter writer) { |
| this.writer = writer; |
| } |
| |
| public String interpretElement(XMLElement elem) |
| throws UnableToCompleteException { |
| MessagesWriter messages = writer.getMessages(); |
| for (AttributeMessage am : messages.consumeAttributeMessages(elem)) { |
| String message = am.getMessageUnescaped(); |
| if (!writer.useSafeHtmlTemplates()) { |
| /* |
| * We have to do our own simple escaping to if the SafeHtml integration |
| * is off |
| */ |
| message += ".replaceAll(\"&\", \"&\").replaceAll(\"'\", \"'\")"; |
| } |
| elem.setAttribute(am.getAttribute(), |
| writer.tokenForStringExpression(elem, message)); |
| } |
| |
| /* |
| * Return null because we don't want to replace the dom element with any |
| * particular string (though we may have consumed its id or ui:field) |
| */ |
| return null; |
| } |
| } |