ElementalJsonRpcQualifier.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * 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:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.ide.jsonrpc;

import elemental.json.JsonException;
import elemental.json.JsonFactory;
import elemental.json.JsonObject;
import elemental.json.JsonValue;

import org.eclipse.che.api.core.jsonrpc.commons.JsonRpcQualifier;
import org.eclipse.che.ide.util.loging.Log;
import org.eclipse.che.ide.websocket.impl.WebSocketInitializer;

import javax.inject.Inject;
import javax.inject.Singleton;
import java.util.Map;

@Singleton
public class ElementalJsonRpcQualifier implements JsonRpcQualifier {
    private final JsonFactory jsonFactory;

    @Inject
    public ElementalJsonRpcQualifier(JsonFactory jsonFactory) {
        this.jsonFactory = jsonFactory;
    }

    @Override
    public boolean isValidJson(String message) {
        try {
            jsonFactory.parse(message);
            return true;
        } catch (JsonException e) {
            return false;
        }
    }

    @Override
    public boolean isJsonRpcRequest(String message) {
        JsonObject jsonObject = jsonFactory.parse(message);
        return jsonObject.hasKey("method");
    }

    @Override
    public boolean isJsonRpcResponse(String message) {
        return !isJsonRpcRequest(message);
    }
}