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Library for interfacing with the Public and Incubating SolidFire Element API.
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/*
 * Copyright © 2014-2016 NetApp, Inc. All Rights Reserved.
 *
 * 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.solidfire.client;

import com.solidfire.element.api.CHAPSecret;
import com.solidfire.core.client.RequestDispatcher;
import com.solidfire.core.client.ServiceBase;
import com.solidfire.serialization.CHAPSecretAdaptor;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import static com.solidfire.adaptor.ScheduleAdaptor.DAYS_OF_MONTH;
import static com.solidfire.adaptor.ScheduleAdaptor.DAYS_OF_WEEK;
import static com.solidfire.adaptor.ScheduleAdaptor.TIME_INTERVAL;

public class ElementServiceBase extends ServiceBase {

    private static final List CHAP_SECRET_METHODS;
    public static final String BEGIN_OF_PARAMS = "\"params\":{";

    static {
        CHAP_SECRET_METHODS =
                Collections.unmodifiableList(
                        Arrays.asList(
                                "AddAccount".toLowerCase(),
                                "ModifyAccount".toLowerCase(),
                                "CreateStorageContainer".toLowerCase(),
                                "ModifyStorageContainer".toLowerCase()
                        )
                );
    }

    static {
        LogSplash.logo();
    }



    /**
     * Create a service with the given connection.
     *
     * @param requestDispatcher is the mechanism for sending requests to some location.
     */
    protected ElementServiceBase(RequestDispatcher requestDispatcher) {

        super(requestDispatcher);
        this.getGsonBuilder().registerTypeHierarchyAdapter(CHAPSecretAdaptor.serializingClass(), new CHAPSecretAdaptor());
    }


    protected  String encodeRequest(String method,
                                              TRequest requestParams,
                                              Class requestParamsClass) {
        final String request = super.encodeRequest(method, requestParams, requestParamsClass);
        if (CHAP_SECRET_METHODS.contains(method.toLowerCase())) {
            return request.replace("\"" + CHAPSecret.autoGenerate() + "\"", "null")
                          .replace("" + CHAPSecret.autoGenerate() + "", "null");
        }


        if("ModifySchedule".equalsIgnoreCase(method)) {
            final StringBuilder sb = new StringBuilder();

            if(request.contains(TIME_INTERVAL) || request.contains(DAYS_OF_WEEK) ) {
                sb.append("\"monthdays\":null,");
            }
            if(request.contains(TIME_INTERVAL) || request.contains(DAYS_OF_MONTH) ) {
                sb.append("\"weekdays\":null,");
            }

            final int beginOfParamsIndex = request.indexOf(BEGIN_OF_PARAMS) + BEGIN_OF_PARAMS.length();

            return request.substring(0,beginOfParamsIndex) + sb + request.substring(beginOfParamsIndex);
        }

        return request;
    }
}