/*
* Copyright 2009 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.safehtml.rebind;
import com.google.gwt.core.ext.Generator;
import com.google.gwt.core.ext.Generator.RunsLocal;
import com.google.gwt.core.ext.GeneratorContext;
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.NotFoundException;
import com.google.gwt.core.ext.typeinfo.TypeOracle;
import com.google.gwt.user.rebind.ClassSourceFileComposerFactory;
import com.google.gwt.user.rebind.SourceWriter;
import java.io.PrintWriter;
/**
* Generator for implementations of
* {@link com.google.gwt.safehtml.client.SafeHtmlTemplates}.
*/
@RunsLocal
public class SafeHtmlTemplatesGenerator extends Generator {
@Override
public String generate(TreeLogger logger, GeneratorContext genCtx,
String fqInterfaceName) throws UnableToCompleteException {
TypeOracle oracle = genCtx.getTypeOracle();
JClassType interfaceType;
try {
interfaceType = oracle.getType(fqInterfaceName);
} catch (NotFoundException e) {
logger.log(TreeLogger.ERROR, "Unexpected error: " + e.getMessage(), e);
throw new UnableToCompleteException();
}
String implName = interfaceType.getName();
implName = implName.replace('.', '_') + "Impl";
String packageName = interfaceType.getPackage().getName();
PrintWriter printWriter = genCtx.tryCreate(logger, packageName, implName);
if (printWriter != null) {
ClassSourceFileComposerFactory factory =
new ClassSourceFileComposerFactory(packageName, implName);
factory.addImplementedInterface(interfaceType.getQualifiedSourceName());
SourceWriter sourceWriter =
factory.createSourceWriter(genCtx, printWriter);
SafeHtmlTemplatesImplCreator implCreator =
new SafeHtmlTemplatesImplCreator(sourceWriter, interfaceType);
implCreator.emitClass(logger, null);
genCtx.commit(logger, printWriter);
}
return packageName + "." + implName;
}
}