java.time.Instant Not Supported

[stevenpaligo]

Despite the date/time changes in 6.4.0, conversions of java.time.Instant are still not supported. Would you please add that?

Whats your runtime?

• Dozer version: 6.4.1
• OS version: Windows 10
• JDK version: 8

Whats the problem?

POM:

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <groupId>com.stevenpaligo</groupId>
  <artifactId>dozer-test</artifactId>
  <version>1.0.0</version>

  <name>Dozer Test</name>

  <properties>

    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>

  </properties>

  <dependencies>

    <dependency>
      <groupId>com.github.dozermapper</groupId>
      <artifactId>dozer-core</artifactId>
      <version>6.4.1</version>
    </dependency>

  </dependencies>

</project>

dozerBeanMapping.xml:

<mappings xmlns="http://dozermapper.github.io/schema/bean-mapping"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://dozermapper.github.io/schema/bean-mapping https://dozermapper.github.io/schema/bean-mapping.xsd">

	<mapping wildcard="true" type="one-way">
		<class-a>test.Test.Left</class-a>
		<class-b>test.Test.Right</class-b>
	</mapping>

</mappings>

Test classes:

package test;

import java.time.Instant;
import com.github.dozermapper.core.DozerBeanMapperBuilder;
import com.github.dozermapper.core.Mapper;

public class Test {

  public static void main(String[] args) {

    Mapper mapper = DozerBeanMapperBuilder.buildDefault();

    Instant now = Instant.now();

    Left left = new Left();
    left.setTime(now);

    Right right = mapper.map(left, Right.class);

    System.out.println(now);
    System.out.println(right.getTime());
  }


  public static class Left {

    private Instant time;


    public Instant getTime() {
      return time;
    }


    public void setTime(Instant time) {
      this.time = time;
    }
  }


  public static class Right {

    private Instant time;


    public Instant getTime() {
      return time;
    }


    public void setTime(Instant time) {
      this.time = time;
    }
  }
}

Observed Results:

The following exception is thrown because Instant doesn't have a constructor:

Exception in thread "main" com.github.dozermapper.core.MappingException: java.lang.NoSuchMethodException: java.time.Instant.()

Expected Results:

The given code should write the converted time to system out.

[garethahealy]

Just had a quick check of the PR that provided java8 datetime. cant see Instant -> Instant

• https://github.com/DozerMapper/dozer/pull/685/files

@stevenpaligo ; If you want to add support, that would be helpful as i dont have much spare time currently. Just have a look at the above PR and raise a PR adding Instant support

[garethahealy]

#742

[AdrienViala]

Hello @garethahealy ,

Do you plan on releasing soon in order to provide the Java.time.Instant support ?

Cheers