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Previously we worked with some of the existing Hoverfly matchers like the regex, glob and exact. Each one serves its purpose but we might want some rules that assist us with the format of the data exchanged through our requests. On this blog we will focus on the matchers for xml. The default xml matcher will compare the xml submitted ...

There are many authentication mechanisms (basic, digest, form, X.509, etc), and there are many storage options for credentials and authority information (in-memory, database, LDAP, etc). Authorization depends on authentication and determines if you have the required Authority. The decision process is often based on roles (e.g. ADMIN, MEMBER, GUEST, etc). There are three steps to set up and configure Spring ...

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The Apache Camel 3.7 was released some days ago. This is a LTS release which means we will provide patch releases for one year. The next planned LTS release is 3.10 scheduled towards summer 2021. So what’s in this release This release introduces a set of new features and noticeable improvements that we will cover in this blog post. Pre ...

Jakarta MVC 2.0 passed the release review ballot and is now ratified as a final specification according to the Jakarta EE Specification Process (JESP). The last steps for the project team after the ballot are to release the staged artifacts to Maven Central and verify that all published information is correct. That has now been done, and I have listed ...

As Java functional streams have become increasingly popular, an increasing number of requests is being made for new stream operations to be supported. Amidst these requests for numerous disparate new operations, one operation that seems to be requested more than the others is an operation that directly provides a List from a Stream. JDK 16 Early Access Build 27 introduces ...

Java’s String.repeat(int) method is an example of a “small” addition to Java (introduced with JDK 11) that I find myself frequently using and appreciating. This post describes use of JDK 11-introduced String.repeat(int) for easier custom generation of SQL WHERE clauses with the appropriate number of “?” parameter placeholders for use with PreparedStatements. Many Java developers do not need to manually ...

Yes, I know this title sounds stupid, but could not find something that fits better. So let me explain why I think that links in HATEOAS APIs are not always that useful. If you don’t know what HATEOAS is, I recommend reading my Introduction to Hypermedia REST APIs first. REST APIs with HATEOAS support provide two main features for decoupling ...

How to copy a file in small portions into a target file? Let’s talk about the why? When you copy large files, you want to ensure that you are copying it piece by piece to avoid out-of-memory errors. As a good practice, it’s best to consider optimizations during development to avoid edge cases that might creep up in production. Imagine ...