https://github.com/arojunior/java-null-utils

Just an experiment to write less code in Java
https://github.com/arojunior/java-null-utils

java

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Just an experiment to write less code in Java

• Host: GitHub
• URL: https://github.com/arojunior/java-null-utils
• Owner: arojunior
• Created: 2018-04-17T22:41:17.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2018-04-17T22:43:52.000Z (over 6 years ago)
• Last Synced: 2024-11-07T13:53:22.086Z (2 months ago)
• Topics: java
• Language: Java
• Homepage:
• Size: 1.95 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
### Java-null-utils

Just an experiment to use with Java somenthing like the `get` method from Javascript's `lodash`

```java

    class Country {

        private String name;

        public String getName() {

            return name;

        }

        public void setName(final String name) {

            this.name = name;

        }

    }

    class Person {

        private String name;

        private Country country;

        public String getName() {

            return name;

        }

        public void setName(final String name) {

            this.name = name;

        }

        public Country getCountry() {

            return country;

        }

        public void setCountry(final Country country) {

            this.country = country;

        }

    }

```

What if you need to access the country's name from Person object to pass as argument to a method?

You probably will do something like this to prevent NullPointerException

```java

if (person.getCountry() != null && person.getCountry().getName() != null) {

  myMethod(person.getCountry().getName());

}

```

With this checking you can write less code:

```java

if (NullUtils.isNotNull(person, "getCountry.getName")) {

  myMethod(person.getCountry().getName());

}

```

Take a look at test file.