Reference
The following string formatters can be used when building URLs, or creating naming patterns for samples, sources and members of other DataClasses.
| | Name | Synonym | Input Type | Description | Example |
|---|
| General |
| defaultValue(string) |
|
any |
Use the string argument value as the replacement value if the token is not present or is the empty string. |
${field:defaultValue('missing')} |
| passThrough |
none |
any |
Don't perform any formatting. |
${field:passThrough} |
| URL Encoding |
| encodeURI |
uri |
string |
URL encode all special characters except ',/?:@&=+$#' like JavaScript encodeURI() |
${field:encodeURI} |
| encodeURIComponent |
uricomponent |
string |
URL uncode all special characters like JavaScript encodeURIComponent() |
${field:encodeURIComponent} |
| htmlEncode |
html |
string |
HTML encode |
${field:htmlEncode} |
| jsString |
|
string |
Escape carrage return, linefeed, and <>"' characters and surround with a single quotes |
${field:jsString} |
| urlEncode |
path |
string |
URL encode each path part preserving path separator |
${field:urlEncode} |
| String |
| join(string) |
|
collection |
Combine a collection of values together separated by the string argument |
${field:join('/'):encodeURI} |
| prefix(string) |
|
string, collection |
Prepend a string argument if the value is non-null and non-empty |
${field:prefix('-')} |
| suffix(string) |
|
string, collection |
Append a string argument if the value is non-null and non-empty |
${field:suffix('-')} |
| trim |
|
string |
Remove any leading or trailing whitespace |
${field:trim} |
| Date |
| date(string) |
|
date |
Format a date using a format string or one of the constants from Java's DateTimeFormatter. If no format value is provided, the default format is 'BASIC_ISO_DATE' |
${field:date}, ${field:date('yyyy-MM-dd')} |
| Number |
| number |
|
format |
Format a number using Java's DecimalFormat |
${field:number('0000')} |
| Array |
| first |
|
collection |
Take the first value from a collection |
${field:first:defaultValue('X')} |
| rest |
|
collection |
Drop the first item from a collection |
${field:rest:join('_')} |
| last |
|
collection |
Drop all items from the collection except the last |
${field:last:suffix('!')} |
Examples
| Function |
Applied to... |
Result |
| ${Column1:defaultValue('MissingValue')} |
null |
MissingValue |
| ${Array1:join('/')} |
[apple, orange, pear] |
apple/orange/pear |
| ${Array1:first} |
[apple, orange, pear] |
apple |
| ${Array1:first:defaultValue('X')} |
[(null), orange, pear] |
X |
