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Maven users will need to add the following dependency to their pom.xml for this component:
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<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-stringtemplate</artifactId>
<version>x.x.x</version>
<!-- use the same version as your Camel core version -->
</dependency>
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URI format
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string-template:templateName[?options]
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{div:class=confluenceTableSmall}
|| key || value ||
| {{exchange}} | The Exchange itself. |
| {{headers}} | The headers of the In message. |
| {{camelContext}} | The Camel Context. |
| {{request}} | The In message. |
| {{in}} | The In message. |
| {{body}} | The In message body. |
| {{out}} | The Out message (only for InOut message exchange pattern). |
| {{response}} | The Out message (only for InOut message exchange pattern). |
{div} |
Since Camel 2.14, you can define the custom context map by setting the message header "CamelStringTemplateVariableMap" just like the below code.
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Map<String, Object> variableMap = new HashMap<String, Object>();
Map<String, Object> headersMap = new HashMap<String, Object>();
headersMap.put("name", "Willem");
variableMap.put("headers", headersMap);
variableMap.put("body", "Monday");
variableMap.put("exchange", exchange);
exchange.getIn().setHeader("CamelStringTemplateVariableMap", variableMap);
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Samples
For example you could use a string template as follows in order to formulate a response to a message:
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from("activemq:My.Queue").
to("string-template:com/acme/MyResponse.tm");
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In this sample we want to use a string template to send an order confirmation email. The email template is laid out in StringTemplate as:
This example works for camel 2.11.0. If your camel version is less than 2.11.0, the variables should be started and ended with $.
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Dear <headers.lastName>, <headers.firstName>
Thanks for the order of <headers.item>.
Regards Camel Riders Bookstore
<body>
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{snippet:id=e1|lang=java|url=""> |
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