Splitting key1:value1;key2:value2 strings from an incoming field and making them individual fields

update-script.js

function processAdd(cmd) {
  doc = cmd.solrDoc;  // org.apache.solr.common.SolrInputDocument
  id = doc.getFieldValue("id");
  logger.info("update-script#processAdd: id=" + id);
  
  kvString = doc.removeField("kv").getValue();
  kvs = kvString.split(";");
  for(i=0; i < kvs.length; i++) {
    kv = kvs[i].split(":");
    doc.setField(kv[0] + "_s", kv[1]);
  }
  
  // Index a doc with "kv" field set: http://localhost:8983/solr/collection1/update/csv?stream.contentType=text/csv&stream.body=1,k1:v1;k2:v2&fieldnames=id,kv&update.chain=script&commit=true
  // Results in this document in the index:
// {
//   "responseHeader":{
//     "status":0,
//     "QTime":2,
//     "params":{
//       "q":"*:*"}},
//   "response":{"numFound":1,"start":0,"docs":[
//       {
//         "id":"1",
//         "k1_s":"v1",
//         "k2_s":"v2",
//         "_version_":1446071014026903552}]
//   }}
}

function processDelete(cmd) {
  // no-op
}

function processMergeIndexes(cmd) {
  // no-op
}

function processCommit(cmd) {
  // no-op
}

function processRollback(cmd) {
  // no-op
}

function finish() {
  // no-op
}