I'm posting this mostly so people can find it. Perhaps it's already
well-known, and perhaps I'm missing some simple thing that makes this
easier to do, but I think not.
In my Jenkinsfile, I need to iterate over a map created with Groovy,
calling "writeFile" with the key as the file name, and the value as the
contents. If you haven't had to do this, you might assume this is simple.
If you have, you either discovered what I did, or you gave up.
What I tried to write first was this:
dataMap.each {
writeFile(file: "target/generated." + key, text: value)
}
This gets serialization errors. I then discovered that calling pipeline
steps within closures would not work, so I changed it to a plainer
iteration:
for(Map.Entry entry : dataMap) {
writeFile(file: "target/generated." + entry.getKey(), text: entry.
getValue())
}
This also does not work. It appears that you simply can't call a pipeline
step with a map anywhere in scope.
What DOES work is something like the following:
def keyValueList = []
for (Map.Entry entry : dataMap) {
keyValueList.add(entry.getKey())
keyValueList.add(entry.getValue())
}
dataMap = null
for (int ctr = 0; ctr < keyValueList.size(); ctr += 2) {
writeFile(file: "target/generated." + keyValueList.get(ctr), text:
keyValueList.get(ctr + 1))
}
keyValueList = null
Suggestions would be useful, or perhaps other people will just do the same
thing I've done.
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