package com.github.dockerjava.api.model;

import java.io.IOException;

import java.io.Serializable;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import com.fasterxml.jackson.core.JsonGenerator;

import com.fasterxml.jackson.core.JsonParser;

import com.fasterxml.jackson.core.JsonProcessingException;

import com.fasterxml.jackson.core.ObjectCodec;

import com.fasterxml.jackson.databind.DeserializationContext;

import com.fasterxml.jackson.databind.JsonDeserializer;

import com.fasterxml.jackson.databind.JsonNode;

import com.fasterxml.jackson.databind.JsonSerializer;

import com.fasterxml.jackson.databind.SerializerProvider;

import com.fasterxml.jackson.databind.annotation.JsonDeserialize;

import com.fasterxml.jackson.databind.annotation.JsonSerialize;

import com.fasterxml.jackson.databind.node.NullNode;

@JsonSerialize(using = Volumes.Serializer.class)

@JsonDeserialize(using = Volumes.Deserializer.class)

public class Volumes implements Serializable {

private static final long serialVersionUID = 1L;

private Volume[] volumes;

public Volumes(Volume... volumes) {

this.volumes = volumes;

}

public Volumes(List<Volume> volumes) {

this.volumes = volumes.toArray(new Volume[volumes.size()]);

}

public Volume[] getVolumes() {

return volumes;

}

public static class Serializer extends JsonSerializer<Volumes> {

@Override

public void serialize(Volumes volumes, JsonGenerator jsonGen, SerializerProvider serProvider)

throws IOException, JsonProcessingException {

jsonGen.writeStartObject();

for (Volume volume : volumes.getVolumes()) {

jsonGen.writeFieldName(volume.getPath());

jsonGen.writeStartObject();

jsonGen.writeEndObject();

}

jsonGen.writeEndObject();

}

}

public static class Deserializer extends JsonDeserializer<Volumes> {

@Override

public Volumes deserialize(JsonParser jsonParser, DeserializationContext deserializationContext)

throws IOException, JsonProcessingException {

List<Volume> volumes = new ArrayList<Volume>();

ObjectCodec oc = jsonParser.getCodec();

JsonNode node = oc.readTree(jsonParser);

for (Iterator<Map.Entry<String, JsonNode>> it = node.fields(); it.hasNext();) {

Map.Entry<String, JsonNode> field = it.next();

if (!field.getValue().equals(NullNode.getInstance())) {

String path = field.getKey();

Volume volume = new Volume(path);

volumes.add(volume);

}

}

return new Volumes(volumes.toArray(new Volume[0]));

}

}

}