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java:restlet:jackson
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java:restlet:jackson [2018/08/01 09:32] els created |
java:restlet:jackson [2018/08/01 09:52] els |
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| - | Using jackson in Restlet is quite simple but has some pitfalls. | + | Using jackson in Restlet (jaxrs) is quite simple but has some pitfalls. |
| + | |||
| + | I was using following constellations: | ||
| + | ====== Maven dependencies ====== | ||
| + | <Code:xml> | ||
| + | <dependency> | ||
| + | <groupId>org.restlet.jse</groupId> | ||
| + | <artifactId>org.restlet</artifactId> | ||
| + | <version>3.0-M1</version> | ||
| + | </dependency> | ||
| + | <dependency> | ||
| + | <groupId>org.restlet.jse</groupId> | ||
| + | <artifactId>org.restlet.ext.json</artifactId> | ||
| + | <version>3.0-M1</version> | ||
| + | </dependency> | ||
| + | <dependency> | ||
| + | <groupId>org.restlet.jse</groupId> | ||
| + | <artifactId>org.restlet.ext.jaxrs</artifactId> | ||
| + | <version>3.0-M1</version> | ||
| + | <exclusions> | ||
| + | <exclusion> | ||
| + | <artifactId>stax-api</artifactId> | ||
| + | <groupId>javax.xml.stream</groupId> | ||
| + | </exclusion> | ||
| + | </exclusions> | ||
| + | </dependency> | ||
| + | <!-- Must be before org.restlet.ext.jackson!!!! --> | ||
| + | <dependency> | ||
| + | <groupId>com.fasterxml.jackson.core</groupId> | ||
| + | <artifactId>jackson-databind</artifactId> | ||
| + | <version>2.9.6</version> | ||
| + | </dependency> | ||
| + | <dependency> | ||
| + | <groupId>org.restlet.jse</groupId> | ||
| + | <artifactId>org.restlet.ext.jackson</artifactId> | ||
| + | <version>3.0-M1</version> | ||
| + | <exclusions> | ||
| + | <exclusion> | ||
| + | <artifactId>stax-api</artifactId> | ||
| + | <groupId>javax.xml.stream</groupId> | ||
| + | </exclusion> | ||
| + | </exclusions> | ||
| + | </dependency> | ||
| + | </Code> | ||
| + | |||
| + | ====== Service ====== | ||
| + | <Code:java> | ||
| + | @Path("rest/inout") | ||
| + | @POST | ||
| + | @Produces(MediaType.APPLICATION_JSON) | ||
| + | @Consumes(MediaType.APPLICATION_JSON) | ||
| + | public MyOutputType inout(MyInputType input) { | ||
| + | // Do some Stuff | ||
| + | return result; | ||
| + | } | ||
| + | </Code> | ||
| + | |||
| + | ====== MyInput/OutputType ====== | ||
| + | It is very important to use bean classes to get default BeanSerializer of jackson. | ||
| + | |||
| + | ====== module-info.java ====== | ||
| + | <Code:java> | ||
| + | requires org.restlet.ext.jackson; | ||
| + | exports info.elsener.package to com.fasterxml.jackson.databind; | ||
| + | exports info.elsener.package to org.restlet.ext.jaxrs; | ||
| + | </Code> | ||
| + | |||
| + | ===== requires ===== | ||
| + | The line 'requires org.restlet.ext.jackson;' is needed to provide the 'JacksonConverter' to your project. Otherwise it will not be automatic recognized by restlet. | ||
| + | ==== exports ==== | ||
| + | The lines 'exports ....' will allow jaxrs and jackson to read and write your Input/Output-Types. | ||
| + | |||
| + | |||
| + | |||
java/restlet/jackson.txt · Last modified: 2018/08/01 09:52 by els
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