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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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.jetbrains.plugins.groovy.lang.psi.typeEnhancers;
import com.intellij.psi.*;
import com.intellij.util.Function;
import com.intellij.util.IncorrectOperationException;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import java.util.List;
/**
* Created by Max Medvedev on 28/02/14
*/
public class FromStringHintProcessor extends SignatureHintProcessor {
@Override
public String getHintName() {
return "groovy.transform.stc.FromString";
}
@NotNull
@Override
public List<PsiType[]> inferExpectedSignatures(@NotNull final PsiMethod method,
@NotNull final PsiSubstitutor substitutor,
@NotNull String[] options) {
return ContainerUtil.map(options, new Function<String, PsiType[]>() {
@Override
public PsiType[] fun(String value) {
String[] params = value.split(",");
return ContainerUtil.map(params, new Function<String, PsiType>() {
@Override
public PsiType fun(String param) {
try {
PsiTypeParameterList typeParameterList = method.getTypeParameterList();
PsiElement context = typeParameterList != null ? typeParameterList : method;
PsiType original = JavaPsiFacade.getElementFactory(method.getProject()).createTypeFromText(param, context);
return substitutor.substitute(original);
}
catch (IncorrectOperationException e) {
//do nothing. Just don't throw an exception
}
return PsiType.NULL;
}
}, new PsiType[params.length]);
}
});
}
}
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