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path: root/sdc-distribution-client/src/main/java/org/onap/sdc/impl/DistributionStatusMessageJsonBuilderFactory.java
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/*-
 * ============LICENSE_START=======================================================
 * sdc-distribution-client
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.sdc.impl;

import org.onap.sdc.api.IDistributionStatusMessageJsonBuilder;
import org.onap.sdc.api.consumer.IComponentDoneStatusMessage;
import org.onap.sdc.api.consumer.IDistributionStatusMessage;
import org.onap.sdc.api.consumer.IFinalDistrStatusMessage;
import org.onap.sdc.utils.DistributionStatusEnum;

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

public class DistributionStatusMessageJsonBuilderFactory {
    private static Gson gson = new GsonBuilder().setPrettyPrinting().create();

    private DistributionStatusMessageJsonBuilderFactory() {
    }

    public static IDistributionStatusMessageJsonBuilder getSimpleBuilder(IDistributionStatusMessage statusMessage) {
        DistributionStatusMessageImpl message = new DistributionStatusMessageImpl(statusMessage);

        return prepareBuilderFromImpl(message);
    }

    public static IDistributionStatusMessageJsonBuilder getSimpleBuilder(IComponentDoneStatusMessage statusMessage) {
        DistributionStatusMessageImpl message = new DistributionStatusMessageImpl(statusMessage);

        return prepareBuilderFromImpl(message);
    }

    public static IDistributionStatusMessageJsonBuilder getSimpleBuilder(IFinalDistrStatusMessage statusMessage) {
        DistributionStatusMessageImpl message = new DistributionStatusMessageImpl(statusMessage);

        return prepareBuilderFromImpl(message);
    }

    public static IDistributionStatusMessageJsonBuilder getErrorReasonBuilder(IDistributionStatusMessage statusMessage, String errorReason) {
        DistributionStatusMessageImpl message = new DistributionStatusMessageImpl(statusMessage);
        message.setErrorReason(errorReason);

        return prepareBuilderFromImpl(message);
    }

    public static IDistributionStatusMessageJsonBuilder getErrorReasonBuilder(IComponentDoneStatusMessage statusMessage,
                                                                              String errorReason) {
        DistributionStatusMessageImpl message = new DistributionStatusMessageImpl(statusMessage);
        message.setErrorReason(errorReason);
        return prepareBuilderFromImpl(message);
    }

    public static IDistributionStatusMessageJsonBuilder getErrorReasonBuilder(IFinalDistrStatusMessage statusMessage,
                                                                              String errorReason) {
        DistributionStatusMessageImpl message = new DistributionStatusMessageImpl(statusMessage);
        message.setErrorReason(errorReason);
        return prepareBuilderFromImpl(message);
    }

    static IDistributionStatusMessageJsonBuilder prepareBuilderForNotificationStatus(final String consumerId, final long currentTimeMillis, final String distributionId,
                                                                                     final ArtifactInfoImpl artifactInfo, boolean isNotified) {

        final DistributionStatusEnum distributionStatus = isNotified ? DistributionStatusEnum.NOTIFIED : DistributionStatusEnum.NOT_NOTIFIED;
        final String jsonRequest = buildDistributionStatusJson(consumerId, currentTimeMillis, distributionId, artifactInfo, distributionStatus);

        return () -> jsonRequest;
    }

    private static String buildDistributionStatusJson(final String consumerId,
                                                      final long currentTimeMillis, final String distributionId,
                                                      final ArtifactInfoImpl artifactInfo,
                                                      final DistributionStatusEnum fakeStatusToBeReplaced) {
        IDistributionStatusMessage statusMessage = new IDistributionStatusMessage() {
            @Override
            public long getTimestamp() {
                return currentTimeMillis;
            }

            @Override
            public DistributionStatusEnum getStatus() {

                return fakeStatusToBeReplaced;
            }

            @Override
            public String getDistributionID() {
                return distributionId;
            }

            @Override
            public String getConsumerID() {
                return consumerId;
            }

            @Override
            public String getArtifactURL() {
                return artifactInfo.getArtifactURL();
            }
        };

        DistributionStatusMessageImpl message = new DistributionStatusMessageImpl(statusMessage);
        return gson.toJson(message);
    }

    private static IDistributionStatusMessageJsonBuilder prepareBuilderFromImpl(DistributionStatusMessageImpl message) {
        return () -> gson.toJson(message);
    }
}