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package com.revinate.sendgrid.net;

import com.revinate.sendgrid.util.JsonUtils;
import org.apache.http.HttpEntity;
import org.apache.http.client.entity.EntityBuilder;
import org.apache.http.entity.ContentType;

import java.io.IOException;

public class JsonHttpEntityBuilder extends HttpEntityBuilder {

    @Override
    public HttpEntity build() throws IOException {
        Object content = email;
        if (content == null) {
            content = model;
        }
        if (content == null) {
            content = map;
        }
        if (content == null) {
            content = list;
        }
        if (content == null) {
            throw new IOException("Content is null");
        }
        return EntityBuilder.create().setText(JsonUtils.toJson(content))
                .setContentType(ContentType.APPLICATION_JSON).build();
    }
}