rforcecom.search <-
function(session, queryString){
# Load packages
if(!require(XML)){ install.packages("XML"); stop(!require(XML)) }
if(!require(RCurl)){ install.packages("RCurl"); stop(!require(RCurl)) }
# Retrieve XML via REST API
h <- basicHeaderGatherer()
t <- basicTextGatherer()
endpointPath <- rforcecom.api.getSoslEndpoint(session['apiVersion'])
queryString <- curlEscape(paste("FIND {", queryString, "}", sep=""))
URL <- paste(session['instanceURL'], endpointPath, queryString, sep="")
OAuthString <- paste("Bearer", session['sessionID'])
httpHeader <- c("Authorization"=OAuthString, "Accept"="application/xml")
resultSet <- curlPerform(url=URL, httpheader=httpHeader, headerfunction = h$update, writefunction = t$update, ssl.verifypeer=F)
# BEGIN DEBUG
if(exists("rforcecom.debug") && rforcecom.debug){ message(URL) }
if(exists("rforcecom.debug") && rforcecom.debug){ message(t$value()) }
# END DEBUG
# Parse XML
xns <- getNodeSet(xmlParse(t$value()),'//SearchResults/SearchResult')
xls <- sapply(xns, function(xn){ list(Id=xmlValue(xn), type=xmlGetAttr(xn, "type"), url=xmlGetAttr(xn, "url")) })
xdf <- data.frame(t(xls))
# Parse XML
if(t$value() != ""){
x.root <- xmlRoot(xmlTreeParse(t$value(), asText=T))
# Check whether it success or not
errorcode <- NA
errormessage <- NA
try(errorcode <- iconv(xmlValue(x.root[['Error']][['errorCode']]), from="UTF-8", to=""), TRUE)
try(errormessage <- iconv(xmlValue(x.root[['Error']][['message']]), from="UTF-8", to=""), TRUE)
if(!is.na(errorcode) && !is.na(errormessage)){
stop(paste(errorcode, errormessage, sep=": "))
}
}
return(xdf)
}
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