| /* |
| * Copyright 2007 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.user.rebind.rpc; |
| |
| import com.google.gwt.core.ext.GeneratorContextExt; |
| import com.google.gwt.core.ext.GeneratorExt; |
| 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.TypeOracle; |
| import com.google.gwt.dev.javac.rebind.CachedClientDataMap; |
| import com.google.gwt.dev.javac.rebind.RebindResult; |
| import com.google.gwt.dev.javac.rebind.RebindStatus; |
| |
| /** |
| * Generator for producing the asynchronous version of a |
| * {@link com.google.gwt.user.client.rpc.RemoteService RemoteService} interface. |
| */ |
| public class ServiceInterfaceProxyGenerator extends GeneratorExt { |
| |
| @Override |
| public RebindResult generateIncrementally(TreeLogger logger, GeneratorContextExt ctx, |
| String requestedClass) throws UnableToCompleteException { |
| |
| TypeOracle typeOracle = ctx.getTypeOracle(); |
| assert (typeOracle != null); |
| |
| JClassType remoteService = typeOracle.findType(requestedClass); |
| if (remoteService == null) { |
| logger.log(TreeLogger.ERROR, "Unable to find metadata for type '" + requestedClass + "'", |
| null); |
| throw new UnableToCompleteException(); |
| } |
| |
| if (remoteService.isInterface() == null) { |
| logger.log(TreeLogger.ERROR, remoteService.getQualifiedSourceName() + " is not an interface", |
| null); |
| throw new UnableToCompleteException(); |
| } |
| |
| ProxyCreator proxyCreator = createProxyCreator(remoteService); |
| |
| TreeLogger proxyLogger = |
| logger.branch(TreeLogger.DEBUG, "Generating client proxy for remote service interface '" |
| + remoteService.getQualifiedSourceName() + "'", null); |
| |
| String returnTypeName = proxyCreator.create(proxyLogger, ctx); |
| |
| if (ctx.isGeneratorResultCachingEnabled()) { |
| // Remember the type info that we care about for cacheability testing. |
| CachedClientDataMap clientData = new CachedClientDataMap(); |
| proxyCreator.updateResultCacheData(clientData); |
| |
| /* |
| * Return with RebindStatus.USE_PARTIAL_CACHED, since we are allowing |
| * generator result caching for field serializers, but other generated |
| * types cannot be cached effectively. |
| */ |
| return new RebindResult(RebindStatus.USE_PARTIAL_CACHED, returnTypeName, clientData); |
| } else { |
| // If we can't be cacheable, don't return a cacheable result |
| return new RebindResult(RebindStatus.USE_ALL_NEW_WITH_NO_CACHING, returnTypeName); |
| } |
| } |
| |
| protected ProxyCreator createProxyCreator(JClassType remoteService) { |
| return new ProxyCreator(remoteService); |
| } |
| } |