JsonFilterModifierConditionalWriterInterceptor.java

package org.jboss.resteasy.test.providers.jackson2.jsonfilter.resource;

import com.fasterxml.jackson.jaxrs.cfg.ObjectWriterInjector;

import javax.ws.rs.WebApplicationException;
import javax.ws.rs.ext.Provider;
import javax.ws.rs.ext.WriterInterceptor;
import javax.ws.rs.ext.WriterInterceptorContext;
import java.io.IOException;

@Provider
public class JsonFilterModifierConditionalWriterInterceptor implements WriterInterceptor {

    private ObjectFilterModifierConditional modifier = new ObjectFilterModifierConditional();
    @Override
    public void aroundWriteTo(WriterInterceptorContext context) throws IOException, WebApplicationException {
        //set a threadlocal modifier
        ObjectWriterInjector.set(modifier);
        context.proceed();
    }
}