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https://issues.apache.org/jira/browse/GROOVY-10073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17340176#comment-17340176
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Gallyam Biktashev edited comment on GROOVY-10073 at 5/6/21, 12:09 PM:
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Thank you for reply!
It's intentionally implements {{List}}, because users (templates are written by
app users) need to operate with such variables as normal groovy list, with all
available methods, such as {{grep}}/{{collect}}/etc. And when rendered, the
result should be valid json
In future I don't want to reflect changes in List API manually, so it have to
implement List
was (Author: gallyamb):
Thank you for reply!t
It's intentionally implements \{{List}}, because users (templates are written
by app users) need to operate with such variables as normal groovy list, with
all available methods, such as \{{grep}}/\{{collect}}/etc. And when rendered,
the result should be valid json
In future I don't want to reflect changes in List API manually, so it have to
implement List
> Unable to use custom string representation in GString template
> --------------------------------------------------------------
>
> Key: GROOVY-10073
> URL: https://issues.apache.org/jira/browse/GROOVY-10073
> Project: Groovy
> Issue Type: Bug
> Components: Templating
> Affects Versions: 2.5.14
> Reporter: Gallyam Biktashev
> Priority: Major
>
> I have a class
> {code:java}
> class JsonListAdapter implements List {
> private final List<Object> adaptee;
> private final JsonNode node;
> public JsonListAdapter(List<Object> adaptee, JsonNode node) {
> this.adaptee = adaptee;
> this.node = node;
> }
> // methods here
> @Override
> public String toString() {
> return node.toString();
> }
> }
> {code}
> I'm expecting that it will work like
> {code:java}
> var json = "[\"v1\",\"v2\"]";
> var node = parseJson(json);
> var list = toList(node);
> var result = gStringTemplateService.render("${variable}", Map.of("variable",
> new JsonListAdapter(list, node)));
> // both assertions fail for now
> Assertions.assertNotEquals("[v1, v2]", result);
> Assertions.assertEquals(json, result);
> {code}
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