Using custom (user defined) contextual data amongst JAX-RS request filters

SharingDataAmongRequestFilters.java

public class ReqFilter_1 implements ContainerRequestFilter {
  
  @Override
  public void filter(ContainerRequestContext cReqCtx) throws IOException {
    cReqCtx.setProperty("prop1", "value1");
  }
}

public class ReqFilter_2 implements ContainerRequestFilter {
  
  @Override
  public void filter(ContainerRequestContext cReqCtx) throws IOException {
    String val1 = (String) cReqCtx.getProperty("prop1");
    cReqCtx.setProperty("prop1", "value1");
    cReqCtx.setProperty("prop2", "value2");
  }
}

public class ReqFilter_3 implements ContainerRequestFilter {
  
  @Override
  public void filter(ContainerRequestContext cReqCtx) throws IOException {
    String val1 = (String) cReqCtx.getProperty("prop1");
    String val2 = (String) cReqCtx.getProperty("prop2");
    Collection<String> customProperties = cReqCtx.getPropertyNames();
  }
}