com.google.gwt.resources.rg.GwtCreateResourceGenerator Maven / Gradle / Ivy
/*
* 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() + "\";}}";
}
}