ts.internal.client.protocol.NavTreeRequest.java Source code

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Here is the source code for ts.internal.client.protocol.NavTreeRequest.java

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/**
 *  Copyright (c) 2015-2017 Angelo ZERR.
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License v1.0
 *  which accompanies this distribution, and is available at
 *  http://www.eclipse.org/legal/epl-v10.html
 *
 *  Contributors:
 *  Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation
 */
package ts.internal.client.protocol;

import java.lang.reflect.Type;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.InstanceCreator;
import com.google.gson.JsonObject;

import ts.client.CommandNames;
import ts.client.IPositionProvider;
import ts.client.Location;
import ts.client.navbar.NavigationBarItem;

/**
 * NavTree request; value of command field is "navtree". Return response giving
 * the navigation tree of the requested file.
 * 
 * @see https://github.com/Microsoft/TypeScript/blob/master/src/server/protocol.ts
 */
public class NavTreeRequest extends FileRequest<FileRequestArgs> {

    // Set positionProvider to transient to ignore Gson serialization
    private final transient IPositionProvider positionProvider;

    public NavTreeRequest(String fileName, IPositionProvider positionProvider) {
        super(CommandNames.NavTree.getName(), new FileRequestArgs(fileName, null));
        this.positionProvider = positionProvider;
    }

    @Override
    public Response<NavigationBarItem> parseResponse(JsonObject json) {
        Gson gson = GsonHelper.DEFAULT_GSON;
        if (positionProvider != null) {
            gson = new GsonBuilder().registerTypeAdapter(Location.class, new InstanceCreator<Location>() {
                @Override
                public Location createInstance(Type type) {
                    return new Location(positionProvider);
                }
            }).create();
        }
        return gson.fromJson(json, NavTreeResponse.class);
    }

}