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Mastering Spring Cloud
book

Mastering Spring Cloud

by Piotr Mińkowski
April 2018
Intermediate to advanced content levelIntermediate to advanced
432 pages
10h 38m
English
Packt Publishing
Content preview from Mastering Spring Cloud

Custom implementations

In addition to the filters installed by default, we may create our custom implementations.  Each of them has to implement the ZuulFilter interface and its four methods. These methods are responsible for setting the type of filter (filterType), determining the order of filter execution between other filtering with the same type (filterOrder), enabling or disabling the filter (shouldFilter) and finally the filter logic implementation (run). Here's an example implementation that adds the X-Response-ID header to the response:

public class AddResponseIDHeaderFilter extends ZuulFilter {    private int id = 1;    @Override    public String filterType() {        return "post";    }    @Override    public int filterOrder() {        return 10;    }    @Override
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Publisher Resources

ISBN: 9781788475433Supplemental Content