| /* |
| * 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.resources.rg; |
| |
| import com.google.gwt.core.client.GWT; |
| 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.JMethod; |
| import com.google.gwt.core.ext.typeinfo.JParameterizedType; |
| import com.google.gwt.resources.client.GwtCreateResource.ClassType; |
| import com.google.gwt.resources.ext.AbstractResourceGenerator; |
| import com.google.gwt.resources.ext.ResourceContext; |
| import com.google.gwt.resources.ext.SupportsGeneratorResultCaching; |
| |
| /** |
| * Provides implementations of GwtCreateResource. |
| */ |
| public final class GwtCreateResourceGenerator extends AbstractResourceGenerator |
| implements SupportsGeneratorResultCaching { |
| |
| @Override |
| public String createAssignment(TreeLogger logger, ResourceContext context, |
| JMethod method) throws UnableToCompleteException { |
| JParameterizedType returnType = method.getReturnType().isParameterized(); |
| assert returnType != null; |
| |
| JClassType args[] = returnType.getTypeArgs(); |
| assert args.length == 1; |
| |
| ClassType override = method.getAnnotation(ClassType.class); |
| JClassType toCreate; |
| if (override != null) { |
| toCreate = context.getGeneratorContext().getTypeOracle().findType( |
| override.value().getName().replace('$', '.')); |
| assert toCreate != null; |
| } else { |
| toCreate = args[0]; |
| } |
| |
| JClassType gwtType = context.getGeneratorContext().getTypeOracle().findType( |
| GWT.class.getName()); |
| assert gwtType != null; |
| |
| return "new " + returnType.getParameterizedQualifiedSourceName() |
| + "() {\n public " + toCreate.getQualifiedSourceName() |
| + " create() {\n return " + gwtType.getQualifiedSourceName() |
| + ".create(" + toCreate.getQualifiedSourceName() + ".class);}\n" |
| + "public String getName() { return \"" + method.getName() + "\";}}"; |
| } |
| } |