vzhangs/lombokextensions

lombok extensions (only javac handler): @Nullable

Extensions of project lombok

How to use

1. clone project lombok
2. copy src.java.lombok file to lombok.src.core
3. rebuild lombok using ant dist
4. import new package in package management system

Annotations

@Nullable

Example Data Class

public class ExampleDataClass {
    public StringDataElement stringData;
    public intDataElement intData;
}
public class StringDataElement {
    public String dataName;
    public String dataValue;
}
public class intDataElement {
    public String dataName;
    public int dataValue;
}

With Lombok Extensions

import lombok.Nullable;

public class ExampleClass {

    public void getDataValue(ExampleDataClass input) {
        @Nullable
        int intDataValue = input.intData.dataValue;
        @Nullable
        String stringDataValue = input.stringData.dataValue;
    }

}

Vanilla Java

public class ExampleClass {

    public void getDataValue(ExampleDataClass input) {
        
        int intDataValue;
        try {
            intDataValue = input.intData.dataValue;
        } catch (NullPointerException e) {
            intDataValue = 0;
        }
        
        String stringDataValue;
        try {
            stringDataValue = input.stringData.dataValue;
        } catch (NullPointerException e) {
            stringDataValue = null;
        }
    }

}