NoCacheComposition.java

package compositions;

import play.libs.F;
import play.mvc.Action;
import play.mvc.Http.Response;
import play.mvc.Http.Context;
import play.mvc.Result;
import play.mvc.With;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

public class NoCacheComposition {

  @With(NoCacheAction.class)
  @Target({ElementType.TYPE,ElementType.METHOD})
  @Retention(RetentionPolicy.RUNTIME)
  public @interface NoCache {
    String value() default "*";
  }

  public static class NoCacheAction extends Action<NoCache>{
    public F.Promise<Result> call(Context context) throws Throwable {
      Response response = context.response();
      response.setHeader("Cache-Control","no-cache, no-store, must-revalidate");
      response.setHeader("Pragma","no-cache");
      response.setHeader("Expires","0");
      return delegate.call(context);
    }
  }

}