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SwaggerFeature / Swagger2Feature

 

The CXF Swagger2Feature allows you to generate Swagger 2.0 documents from JAX-RS service endpoints with a simple configuration.

For generating Swagger 1.2 documents, you can use SwaggerFeature instead of Swagger2Feature.

These features can be configured programatically in Java or using Spring or Blueprint beans.

Properties

The following optional parameters can be configured in Swagger2Feature

Note some properties listed below are not available or used differently in SwaggerFeature, as the corresponding properties are used differently in Swagger 2.0 and Swagger 1.2. Please refer to the corresponding Swagger documentation for more information.)

NameDescriptionDefault
basePaththe context root path+null
contactthe contact information+"users@cxf.apache.org"
descriptionthe description+"The Application"
filterClassa security filter+null
hostthe host and port+null
ignoreRoutesexcludes specific paths when scanning all resources (see scanAllResources)++null
licensethe license+"Apache 2.0 License"
licenceUrlthe license URL+"http://www.apache.org/licenses/LICENSE-2.0.html"
prettyPrintwhen generating swagger.json, pretty-print the json document+false
resourcePackagea list of comma separated package names where resources must be scanned+a list of service classes configured at the endpoint
runAsFilterruns the feature as a filterfalse
scangenerates the swagger documentation+true
scanAllResourcesscans all resources including non-annotated JAX-RS resources++false
schemesthe protocol schemes+null
termsOfServiceUrlthe terms of service URL+null
titlethe title+"Sample REST Application"
versionthe version+"1.0.0"

Note: those descriptions marked with + correspond to the properties defined in Swagger's BeanConfig, and those marked with ++ correspond to the properties defined in Swagger's ReaderConfig.

Configuring Programatically

 

import org.apache.cxf.frontend.ServerFactoryBean;
import org.apache.cxf.jaxrs.swagger.Swagger2Feature;
...

    Swagger2Feature feature = new Swagger2Feature();

    // customize some of the properties
    feature.setBasePath("/api");
    	
   	// add this feature to the endpoint (e.g., to ServerFactoryBean's features) 
   	ServerFactoryBean sfb = new ServerFactoryBean();
   	sfb.getFeatures().add(feature);

 

Configuring in Spring

 

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:cxf="http://cxf.apache.org/core"
       xmlns:jaxrs="http://cxf.apache.org/jaxrs"
       xsi:schemaLocation="http://cxf.apache.org/core http://cxf.apache.org/schemas/core.xsd
                           http://cxf.apache.org/jaxrs http://cxf.apache.org/schemas/jaxrs.xsd
                           http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
    ... 
    <!-- JAXRS providers -->
    <bean id="jsonProvider" class="com.fasterxml.jackson.jaxrs.json.JacksonJsonProvider" />

    <!-- Application resources -->
    <bean id="sampleResource" class="demo.jaxrs.swagger.server.Sample" />

    <!-- CXF Swagger2Feature -->  
    <bean id="swagger2Feature" class="org.apache.cxf.jaxrs.swagger.Swagger2Feature">
        <!-- customize some of the properties -->
        <property name="basePath" value="/app/swaggerSample"/>
    </bean>

    ...
    <jaxrs:server id="sampleServer" address="/swaggerSample">
        <jaxrs:serviceBeans>
            <ref bean="sampleResource" />
        </jaxrs:serviceBeans>
        <jaxrs:providers>
            <ref bean="jsonProvider" />
        </jaxrs:providers>
        <jaxrs:features>
            <ref bean="swagger2Feature" />
        </jaxrs:features>
    </jaxrs:server>
</beans>

 

Configuring in Blueprint

 

<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:cxf="http://cxf.apache.org/blueprint/core"
       xmlns:jaxrs="http://cxf.apache.org/blueprint/jaxrs"
       xsi:schemaLocation="http://www.osgi.org/xmlns/blueprint/v1.0.0 http://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd
                           http://cxf.apache.org/blueprint/core http://cxf.apache.org/schemas/blueprint/core.xsd
                           http://cxf.apache.org/jaxrs http://cxf.apache.org/schemas/blueprint/jaxrs.xsd"> 
    ...
    <!-- JAXRS providers -->
    <bean id="jsonProvider" class="com.fasterxml.jackson.jaxrs.json.JacksonJsonProvider" />
 
    <!-- Application resources -->
    <bean id="sampleResource" class="demo.jaxrs.swagger.server.Sample" />


    <!-- CXF Swagger2Feature -->  
    <bean id="swagger2Feature" class="org.apache.cxf.jaxrs.swagger.Swagger2Feature">
        <!-- customize some of the properties -->
        <property name="basePath" value="/cxf/swaggerSample"/>
    </bean>
 
    ...
    <jaxrs:server id="sampleServer" address="/swaggerSample">
        <jaxrs:serviceBeans>
            <ref component-id="sampleResource" />
        </jaxrs:serviceBeans>
        <jaxrs:providers>
            <ref component-id="jsonProvider" />
        </jaxrs:providers>
        <jaxrs:features>
            <ref component-id="swagger2Feature" />
        </jaxrs:features>
    </jaxrs:server>
</blueprint>
 

Samples

CXF's distribution contains the following samples.

 

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