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53 lines
1.2 KiB
53 lines
1.2 KiB
package org.wikimedia.integration
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/**
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* Static functions of global utility plopped into a class.
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*/
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class Utility {
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/**
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* Random number generator.
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*/
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static private final Random random = new Random()
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/**
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* Alphabet used for random string generation.
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*/
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static private final alphanums = ('a'..'z') + ('0'..'9')
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/**
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* Quotes the given shell argument.
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*
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* @param argument Shell argument.
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* @return Quoted shell argument.
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*/
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static String arg(String argument) {
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"'" + argument.replace("'", "'\\''") + "'"
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}
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/**
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* Quotes all given shell arguments.
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*
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* @param arguments Shell argument.
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* @return Quoted shell arguments.
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*/
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static String args(List arguments) {
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println(arguments)
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arguments.collect { arg(it) }.join(" ")
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}
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/**
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* Returns a random alpha-numeric string that's length long.
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*
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* @param length Desired length of string.
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*/
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static String randomAlphanum(length) {
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(1..length).collect { alphanums[random.nextInt(alphanums.size())] }.join()
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}
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/**
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* Returns a timestamp suitable for use in image names, tags, etc.
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*/
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static String timestampLabel() {
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new Date().format("yyyy-MM-dd-HHmmss", TimeZone.getTimeZone("UTC"))
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}
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}
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