davsclaus opened a new pull request, #28291:
URL: https://github.com/apache/camel/pull/28291
Stacked on #28282. This group of the catalog body types (CAMEL-24961) takes
the templating, the JSON and XML transform, and the validator components, and
the mvel and xquery languages.
**What the catalog says now**
| Component | Producer input | Producer output |
|---|---|---|
| velocity, freemarker, mustache, string-template, chunk, jte, thymeleaf,
mvel | `any`: the template gets the body as it is (text, or a Map, a List or a
POJO to read from) | the text the template writes (`text`); the headers are
kept |
| jolt | parsed JSON (`map`, `list`); JSON as `text`, `bytes`, `stream` or
`file` with inputType=JsonString | parsed JSON; JSON text with
outputType=JsonString |
| jslt | JSON as `text`, `bytes`, `stream` or `file` | JSON text |
| jsonata | JSON data (`map`, `list`, or a JsonNode as `pojo`); JSON text
etc. with inputType=JsonString | a JsonNode (`pojo`); JSON text with
outputType=JsonString |
| xj | XML (XML2JSON) or JSON (JSON2XML), as text, bytes, a stream or a file
| the result as text, or as xslt's output option says |
| xquery | XML: `text`, `bytes`, `stream`, `file` or a DOM | a DOM Document,
or as resultsFormat says |
| json-validator | JSON as `text`, `bytes`, `stream` or `file` | `unchanged`
|
| schematron | XML: `text`, `bytes`, `stream`, `file` or a DOM |
`unchanged`; the result is in headers |
| bean-validator | a `pojo` with constraints, or a `list` of them |
`unchanged` |
| Language | Reads | Gives |
|---|---|---|
| mvel | `any`, in request.body | `unknown`: what the expression returns |
| xquery | XML: `text`, `bytes`, `stream`, `file` or a DOM | a DOM Document,
unless resultType is set |
The xquery consumer runs the query on a message without a body on each poll,
so it fails every time; it has no body type, and I filed it as a bug.
**Checked at runtime.** Routes run with `camel run` logged the class of the
body after each step:
- **All eight template components:** each gives a String.
- velocity prints a Map body as its toString(), and `${body}` as written
when there is no body.
- **jolt:**
- JSON text with the default options gives null;
- with `inputType=JsonString` it is parsed;
- a Map gives a Map.
- **jsonata:**
- JSON text with the default options gives an empty object;
- a Map gives a JsonNode, and `outputType=JsonString` gives text.
- **jslt:** text gives text, and a Map fails.
- **xj:** both directions give text.
- **xquery:**
- a query that gives text fails with the default DOM;
- `resultsFormat=String` gives the text.
- **json-validator:** text and bytes pass unchanged, and a Map fails.
- **schematron:** keeps the body and sets the status and report headers.
- **bean-validator:** a valid POJO passes, an invalid one fails, and a
String passes unchecked.
- **The languages:** mvel and xquery in setBody.
**Docs fixed:**
- **jolt and jsonata:** the examples sent JMS text messages to the default
options, which do not parse text. They now set `inputType` and `outputType` to
`JsonString`, and say why.
- **The template components:** each page now says which context entries need
`allowContextMapAll=true`, and that the template headers need
`allowTemplateFromHeader=true`.
- **Smaller fixes:**
- json-validator validates JSON, not beans;
- xquery's result type attribute is `resultType`;
- the freemarker examples used a wrong header name;
- string-template sets `CamelStringTemplateResourceUri`;
- thymeleaf reads its context map from `CamelThymeleafVariableMap`.
**Measured.**
- I ran the validator over the 1204 human-written and 1209 model-written
route files, and the reports are the same as with #28282.
- The share of the endpoint uses in the human-written routes whose component
has body types goes from 93.0% to 93.9%.
**Tests**
- `TextBodyFlowTest.testTheBodyOfTransformations`:
- parsed data sent to jslt and json-validator is reported;
- a field read after a template is reported;
- the parsed JSON that jolt gives is reported before a file producer.
- These pass:
- the 286 tests of camel-yaml-dsl-validator;
- the 265 validator and catalog doc tests of camel-jbang-core;
- the build of camel-yaml-dsl-deserializers, which reads the catalog.
- The answers of camel_catalog_doc stay under 18 000 characters: xquery, the
largest of this group, is 9 933.
_Claude Code on behalf of davsclaus_
🤖 Generated with [Claude Code](https://claude.com/claude-code)
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