/*
* Copyright 2011 JBoss, by Red Hat, 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 org.jboss.errai.ioc.rebind.ioc.bootstrapper;
import java.io.PrintWriter;
import org.jboss.errai.common.metadata.RebindUtils;
import org.jboss.errai.common.rebind.EnvUtil;
import org.jboss.errai.ioc.rebind.ioc.bootstrapper.IOCBootstrapGenerator;
import com.google.gwt.core.ext.Generator;
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.TypeOracle;
/**
* The main generator class for the errai-ioc framework.
*
* @author Mike Brock
* @author Christian Sadilek <csadilek@redhat.com>
*/
public class IOCGenerator extends Generator {
private String className = null;
private String packageName = null;
private TypeOracle typeOracle;
public static final boolean isTestMode = EnvUtil.isJUnitTest();
public IOCGenerator() {
}
@Override
public String generate(final TreeLogger logger, final GeneratorContext context, final String typeName)
throws UnableToCompleteException {
typeOracle = context.getTypeOracle();
Thread iocGenThread = new Thread() {
@Override
public void run() {
try {
// get classType and save instance variables
JClassType classType = typeOracle.getType(typeName);
packageName = classType.getPackage().getName();
className = classType.getSimpleSourceName() + "Impl";
logger.log(TreeLogger.INFO, "Generating Extensions Bootstrapper...");
// Generate class source code
generateIOCBootstrapClass(logger, context);
}
catch (Throwable e) {
// record sendNowWith logger that Map generation threw an exception
e.printStackTrace();
logger.log(TreeLogger.ERROR, "Error generating extensions", e);
}
}
};
iocGenThread.start();
try {
iocGenThread.join();
}
catch (Exception e) {
e.printStackTrace();
}
// return the fully qualified name of the class generated
return packageName + "." + className;
}
/**
* Generate source code for new class. Class extends <code>HashMap</code>.
*
* @param logger Logger object
* @param context Generator context
*/
private void generateIOCBootstrapClass(TreeLogger logger, GeneratorContext context) {
// get print writer that receives the source code
PrintWriter printWriter = context.tryCreate(logger, packageName, className);
// if null, source code has ALREADY been generated,
if (printWriter == null)
return;
IOCBootstrapGenerator iocBootstrapGenerator = new IOCBootstrapGenerator(typeOracle, context, logger,
RebindUtils.findTranslatablePackages(context));
String out = iocBootstrapGenerator.generate(packageName, className);
if (Boolean.getBoolean("errai.codegen.printOut")) {
System.out.println("---IOC Bootstrapper--->");
System.out.println(out);
System.out.println("<--IOC bootstrapper---");
}
printWriter.append(out);
context.commit(logger, printWriter);
}
}