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- package hellowicket;
- import java.io.IOException;
- import org.apache.wicket.request.http.WebResponse;
- import org.apache.wicket.request.resource.IResource;
- import com.fasterxml.jackson.databind.ObjectMapper;
- import com.fasterxml.jackson.module.afterburner.AfterburnerModule;
- public class HelloJsonResponse implements IResource
- {
- private static final long serialVersionUID = 1L;
- private static final String HELLO_WORLD = "Hello, World!";
- public static final String APPLICATION_JSON = "application/json";
- public static final ObjectMapper MAPPER = new ObjectMapper();
- static {
- MAPPER.registerModule(new AfterburnerModule());
- }
- @Override
- public void respond(Attributes attributes)
- {
- try
- {
- final WebResponse webResponse = (WebResponse) attributes.getResponse();
- webResponse.setContentLength(27);
- webResponse.setContentType(APPLICATION_JSON);
- JsonMessage message = new JsonMessage(HELLO_WORLD);
- byte[] json = MAPPER.writeValueAsBytes(message);
- webResponse.write(json);
- }
- catch (IOException ex)
- {
- // do nothing
- }
- }
- }
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