/*
* 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.jsio.rebind;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JParameterizedType;
import com.google.gwt.core.ext.typeinfo.JType;
import com.google.gwt.core.ext.typeinfo.TypeOracle;
import com.google.gwt.jsio.client.JSList;
import com.google.gwt.user.rebind.SourceWriter;
/**
* Encapsulates accessors for List properties.
*/
class JSListFragmentGenerator extends JSWrapperFragmentGenerator {
@Override
protected void writeJSNIObjectCreator(FragmentGeneratorContext context)
throws UnableToCompleteException {
TypeOracle typeOracle = context.typeOracle;
SourceWriter sw = context.sw;
JParameterizedType listType = context.returnType.isParameterized();
JType argumentType = listType.getTypeArgs()[0];
TreeLogger logger = context.parentLogger.branch(TreeLogger.DEBUG,
"Writing JSNI object creator for "
+ argumentType.getQualifiedSourceName(), null);
sw.print("@com.google.gwt.jsio.client.impl.JSListWrapper::create(Lcom/google/gwt/jsio/client/impl/Extractor;)(");
FragmentGenerator fragmentGenerator = context.fragmentGeneratorOracle.findFragmentGenerator(
logger, typeOracle, argumentType.isClassOrInterface());
FragmentGeneratorContext subParams = new FragmentGeneratorContext(context);
subParams.returnType = argumentType;
fragmentGenerator.writeExtractorJSNIReference(subParams);
sw.print(")");
sw.print(".@com.google.gwt.jsio.client.JSWrapper::setJavaScriptObject(Lcom/google/gwt/core/client/JavaScriptObject;)(");
sw.print(context.parameterName);
sw.print(")");
}
@Override
boolean accepts(TypeOracle oracle, JType type) {
JParameterizedType asInterface = type.isParameterized();
if (asInterface == null) {
return false;
} else {
return isAssignable(oracle, asInterface.getRawType(), JSList.class);
// return oracle.findType(JSList.class.getName()).equals(asInterface);
}
}
@Override
String defaultValue(TypeOracle typeOracle, JType type)
throws UnableToCompleteException {
return "[]";
}
@Override
void writeExtractorJSNIReference(FragmentGeneratorContext context)
throws UnableToCompleteException {
TreeLogger logger = context.parentLogger.branch(TreeLogger.DEBUG,
"Writing JSNI reference to Extractor", null);
TypeOracle typeOracle = context.typeOracle;
SourceWriter sw = context.sw;
JParameterizedType listType = context.returnType.isParameterized();
JType argumentType = listType.getTypeArgs()[0];
sw.print("@com.google.gwt.jsio.client.impl.JSListWrapper::createExtractor(Lcom/google/gwt/jsio/client/impl/Extractor;)(");
FragmentGenerator fragmentGenerator = context.fragmentGeneratorOracle.findFragmentGenerator(
logger, typeOracle, argumentType.isClassOrInterface());
FragmentGeneratorContext subParams = new FragmentGeneratorContext(context);
subParams.returnType = argumentType;
fragmentGenerator.writeExtractorJSNIReference(subParams);
sw.print(")");
}
}