java_yaml's Introduction

Java Reading YAML Files

Java project with examples for reading YAML files.

Getting Started

The project, done in Java 8 using IntelliJ 2019.3 and Maven, simply shows six ways of reading yaml files only for reference:

How to merge two yaml files into one class ... the second yaml file overlaps the values of the first yaml file.
Simple loading of yaml file into a class.
Load yaml file into an immutable class using builder (without setters).
Load the yaml file with properties that do not exist in the class.
Load Yaml into a JsonNode object.
Differences Between Two Yaml Files - Using Guava.

Maven:

<dependencies>  
    <dependency> 
        <groupId>com.fasterxml.jackson.core</groupId>  
        <artifactId>jackson-databind</artifactId>  
        <version>2.9.9</version>  
    </dependency> 
    <dependency>  
        <groupId>com.fasterxml.jackson.dataformat</groupId>  
        <artifactId>jackson-dataformat-yaml</artifactId>  
        <version>2.9.9</version>  
    </dependency> 
    <dependency> 
        <groupId>com.google.guava</groupId>  
        <artifactId>guava</artifactId>  
        <version>28.1-jre</version>  
    </dependency>
</dependencies>  
<build>  
    <plugins> 
        <plugin> 
            <groupId>org.apache.maven.plugins</groupId>  
            <artifactId>maven-compiler-plugin</artifactId>  
            <configuration> 
                <source>1.8</source>  
                <target>1.8</target>  
            </configuration> 
        </plugin> 
    </plugins>
</build>

Yaml Files

Location: /src/main/resources

Yaml File	Description
useraccess.yaml	Used to simulate, for example, a default or remote yaml file.
useraccess local.yaml	Used to simulate, for example, a yaml file with values for overlay or location.
useraccess missing.yaml	Used to simulate, for example, a yaml file that does not contain all the information the class expects.