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15.10. Configure File Extensions

15.10.1. Map File Extensions to Media Types in the web.xml File

Summary

Some clients, like browsers, cannot use the Accept and Accept-Language headers to negotiate the representation's media type or language. RESTEasy can map file name suffixes to media types and languages to deal with this issue. Follow these steps to map media types to file extensions, in the web.xml file.

Procedure 15.4. Map Media Types to File Extensions

  1. Open the web.xml file for the application in a text editor.
  2. Add the context-param resteasy.media.type.mappings to the file, inside the web-app tags: 
    <context-param>
    <param-name>resteasy.media.type.mappings</param-name>
</context-param>
  3. Configure the parameter values. The mappings form a comma delimited list. Each mapping is delimited by a ::

    Example 15.16. Example Mapping

    <context-param>
    <param-name>resteasy.media.type.mappings</param-name>
    <param-value>html : text/html, json : application/json, xml : application/xml</param-value>
</context-param>
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15.10.2. Map File Extensions to Languages in the web.xml File

Summary

Some clients, like browsers, cannot use the Accept and Accept-Language headers to negotiate the representation's media type or language. RESTEasy can map file name suffixes to media types and languages to deal with this issue. Follow these steps to map languages to file extensions, in the web.xml file.

Procedure 15.5. Map File Extensions to Languages in the web.xml File

  1. Open the web.xml file for the application in a text editor.
  2. Add the context-param resteasy.language.mappings to the file, inside the web-app tags: 
    <context-param>
    <param-name>resteasy.language.mappings</param-name>
</context-param>
  3. Configure the parameter values. The mappings form a comma delimited list. Each mapping is delimited by a ::

    Example 15.17. Example Mapping

    <context-param>
    <param-name>resteasy.language.mappings</param-name>
    <param-value> en : en-US, es : es, fr : fr</param-name>
</context-param>
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15.10.3. RESTEasy Supported Media Types

Table 15.4. Media Types

Media Type Java Type
application/*+xml, text/*+xml, application/*+json, application/*+fastinfoset, application/atom+* JaxB annotated classes
application/*+xml, text/*+xml org.w3c.dom.Document
*/* java.lang.String
*/* java.io.InputStream
text/plain primitives, java.lang.String, or any type that has a String constructor, or static valueOf(String) method for input, toString() for output
*/* javax.activation.DataSource
*/* byte[]
*/* java.io.File
application/x-www-form-urlencoded javax.ws.rs.core.MultivaluedMap
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