/**
* Copyright 2013 Huining (Thomas) Feng (tfeng@berkeley.edu)
*
* 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.bacoder.parser.java.adapter;
import java.util.Collections;
import java.util.List;
import com.bacoder.parser.core.Adapters;
import com.bacoder.parser.java.JavaParser.FormalParameterContext;
import com.bacoder.parser.java.JavaParser.FormalParameterListContext;
import com.bacoder.parser.java.JavaParser.FormalParametersContext;
import com.bacoder.parser.java.JavaParser.LastFormalParameterContext;
import com.bacoder.parser.java.api.FormalParameter;
import com.google.common.base.Function;
public class FormalParametersAdapter
extends JavaAdapter<FormalParametersContext, List<FormalParameter>> {
public FormalParametersAdapter(Adapters adapters) {
super(adapters);
}
@Override
public List<FormalParameter> adapt(FormalParametersContext context) {
FormalParameterListContext formalParameterListContext =
getChild(context, FormalParameterListContext.class);
if (formalParameterListContext != null) {
List<FormalParameter> formalParameters =
transform(formalParameterListContext, FormalParameterContext.class,
new Function<FormalParameterContext, FormalParameter>() {
@Override
public FormalParameter apply(FormalParameterContext context) {
return getAdapter(FormalParameterAdapter.class).adapt(context);
}
});
LastFormalParameterContext lastFormalParameterContext =
getChild(context, LastFormalParameterContext.class);
if (lastFormalParameterContext != null) {
FormalParameter lastFormalParameter =
getAdapter(VariableFormalParameterAdapter.class).adapt(lastFormalParameterContext);
if (lastFormalParameter != null) {
formalParameters.add(lastFormalParameter);
}
}
return formalParameters;
}
return Collections.emptyList();
}
}