/*
 * Copyright 2017-2020 original authors
 *
 * 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
 *
 * https://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 io.micronaut.jackson.codec;

import com.fasterxml.jackson.databind.ObjectMapper;
import io.micronaut.context.annotation.BootstrapContextCompatible;
import io.micronaut.http.MediaType;
import io.micronaut.http.codec.CodecConfiguration;
import io.micronaut.runtime.ApplicationConfiguration;

import edu.umd.cs.findbugs.annotations.Nullable;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;
import javax.inject.Singleton;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

A codec for MediaType.APPLICATION_JSON_STREAM. 
Author:
Graeme Rocher
Since:
1.0/**
 * A codec for {@link MediaType#APPLICATION_JSON_STREAM}.
 *
 * @author Graeme Rocher
 * @since 1.0
 */
@Singleton
@BootstrapContextCompatible
public class JsonStreamMediaTypeCodec extends JsonMediaTypeCodec {

    public static final String CONFIGURATION_QUALIFIER = "json-stream";

    private final List<MediaType> additionalTypes;

    
Params:
objectMapper –             To read/write JSON
applicationConfiguration – The common application configurations
codecConfiguration –       The configuration for the codec/**
     * @param objectMapper             To read/write JSON
     * @param applicationConfiguration The common application configurations
     * @param codecConfiguration       The configuration for the codec
     */
    public JsonStreamMediaTypeCodec(ObjectMapper objectMapper,
                                    ApplicationConfiguration applicationConfiguration,
                                    @Named(CONFIGURATION_QUALIFIER) @Nullable CodecConfiguration codecConfiguration) {
        super(objectMapper, applicationConfiguration, null);
        if (codecConfiguration != null) {
            this.additionalTypes = codecConfiguration.getAdditionalTypes();
        } else {
            this.additionalTypes = Collections.emptyList();
        }
    }

    
Params:
objectMapper –             To read/write JSON
applicationConfiguration – The common application configurations
codecConfiguration –       The configuration for the codec/**
     * @param objectMapper             To read/write JSON
     * @param applicationConfiguration The common application configurations
     * @param codecConfiguration       The configuration for the codec
     */
    @Inject
    public JsonStreamMediaTypeCodec(Provider<ObjectMapper> objectMapper,
                                    ApplicationConfiguration applicationConfiguration,
                                    @Named(CONFIGURATION_QUALIFIER) @Nullable CodecConfiguration codecConfiguration) {
        super(objectMapper, applicationConfiguration, null);
        if (codecConfiguration != null) {
            this.additionalTypes = codecConfiguration.getAdditionalTypes();
        } else {
            this.additionalTypes = Collections.emptyList();
        }
    }

    @Override
    public Collection<MediaType> getMediaTypes() {
        List<MediaType> mediaTypes = new ArrayList<>();
        mediaTypes.add(MediaType.APPLICATION_JSON_STREAM_TYPE);
        mediaTypes.addAll(additionalTypes);
        return mediaTypes;
    }
}