红帽全球峰会第 189 章 JsonPath Language
从 Camel 版本 2.13 开始提供
Camel 支持 JSonPath，以允许对 json 消息使用 Expression 或 Predicate。
189.1. jsonpath 选项
JsonPath 语言支持 7 个选项，如下所列。
| Name | 默认值 | Java 类型 | 描述 |
|---|---|---|---|
| resultType |
| 设置结果类型的类名称（输出中的类型） | |
| suppressExceptions |
|
| 是否阻止例外，如 PathNotFoundException。 |
| allowSimple |
|
| JsonPath 表达式中是否允许内联简单的异常 |
| allowEasyPredicate |
|
| 允许使用 easy predicate 解析器来预解析 predicates。 |
| writeAsString |
|
| 是否将每个行/元素的输出写为 JSON String 值，而不是映射/POJO 值。 |
| headerName |
| 用作输入的标头名称，而不是消息正文 | |
| trim |
|
| 是否修剪值以移除前导和结尾的空格和换行符 |
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