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/******************************************************************************
* Copyright (c) 2018 TypeFox and others.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0,
* or the Eclipse Distribution License v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
******************************************************************************/
package org.eclipse.lsp4j.adapters;
import java.util.ArrayList;
import org.eclipse.lsp4j.DocumentSymbol;
import org.eclipse.lsp4j.SymbolInformation;
import org.eclipse.lsp4j.jsonrpc.json.adapters.CollectionTypeAdapter;
import org.eclipse.lsp4j.jsonrpc.json.adapters.EitherTypeAdapter;
import org.eclipse.lsp4j.jsonrpc.json.adapters.EitherTypeAdapter.PropertyChecker;
import org.eclipse.lsp4j.jsonrpc.messages.Either;
import com.google.gson.Gson;
import com.google.gson.TypeAdapter;
import com.google.gson.TypeAdapterFactory;
import com.google.gson.reflect.TypeToken;
public class DocumentSymbolResponseAdapter implements TypeAdapterFactory {
private static final TypeToken<Either<SymbolInformation, DocumentSymbol>> ELEMENT_TYPE
= new TypeToken<Either<SymbolInformation, DocumentSymbol>>() {};
@SuppressWarnings("unchecked")
@Override
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
PropertyChecker leftChecker = new PropertyChecker("location");
PropertyChecker rightChecker = new PropertyChecker("range");
TypeAdapter<Either<SymbolInformation, DocumentSymbol>> elementTypeAdapter = new EitherTypeAdapter<>(gson,
ELEMENT_TYPE, leftChecker, rightChecker);
return (TypeAdapter<T>) new CollectionTypeAdapter<>(gson, ELEMENT_TYPE.getType(), elementTypeAdapter, ArrayList::new);
}
}