R-Binding: 'Rosette' API

source("../R/Api.R")
library(jsonlite)
library(optparse)

option_list <- list(
  make_option(c("-k", "--key"),
    action = "store", default = NA, type = "character",
    help = "Rosette API key"),
  make_option(c("-u", "--url"),
    action = "store", default = NA, type = "character",
    help = "Rosette API url"))
opt_parser <- OptionParser(option_list = option_list)
opt <- parse_args(opt_parser)

sentiment_file_data <- "<html><head><title>New Ghostbusters Film</title></head><body><p>Original Ghostbuster Dan Aykroyd, who also co-wrote the 1984 Ghostbusters film, couldn’t be more pleased with the new all-female Ghostbusters cast, telling The Hollywood Reporter, “The Aykroyd family is delighted by this inheritance of the Ghostbusters torch by these most magnificent women in comedy.”</p></body></html>"

parameters <- list()
parameters[["content"]] <- sentiment_file_data
parameters[["documentFile"]] <- "true"

if (is.na(opt$url)) {
   result <- api(opt$key, "sentiment", parameters)
} else {
   result <- api(opt$key, "sentiment", parameters, NULL, NULL, opt$url)
}
print(jsonlite::toJSON(result$header, pretty = TRUE))
print(jsonlite::toJSON(result$content, pretty = TRUE))