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This component is provided out of the box in camel-core and hence no additional JARs is needed. You only have to include additional Camel components if the language of choice mandates it, such as using Groovy or JavaScript languages.
URI format
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language://languageName[:script][?options]
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And from Camel 2.11 onwards you can refer to an external resource for the script using same notation as supported by the other Languages in Camel
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language://languageName:resource:scheme:location][?options]
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Name | Default Value | Type | Description |
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languageName
| null
| String
| The name of the Language to use, such as simple, groovy, javascript etc. This option is mandatory. | script
| null
| String
| The script to execute. | transform
| true
| boolean
| Whether or not the result of the script should be used as the new message body. By setting to false the script is executed but the result of the script is discarded. | contentCache
| true
| boolean
| Camel 2.9: Whether to cache the script if loaded from a resource.
Note: from Camel 2.10.3 a cached script can be forced to reload at runtime via JMX using the clearContentCache operation. | cacheScript
| false
| boolean
| Camel 2.13/2.12.2/2.11.3: Whether to cache the compiled script. Turning this option on can gain performance as the script is only compiled/created once, and reuse when processing Camel messages. But this may cause side-effects with data left from previous evaluation spills into the next, and concurrency issues as well. If the script being evaluated is idempotent then this option can be turned on. | binary | false | boolean | Camel 2.14.1: Whether the script is binary content. This is intended to be used for loading resources using the Constant language, such as loading binary files. |
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The following message headers can be used to affect the behavior of the component
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You can also provide the script as a header as shown below. Here we use XPath language to extract the text from the <foo> tag.
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Object out = producer.requestBodyAndHeader("language:xpath", "<foo>Hello World</foo>", Exchange.LANGUAGE_SCRIPT, "/foo/text()");
assertEquals("Hello World", out);
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{snippet:id=e1|lang=java|url=camel/trunk/camel-core/src/test/java/org/apache/camel/component/language/LanguageResourceLoadScriptFromClasspathTest.java} |
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| Endpoint See Also |
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