Free Java API to Generate & Manipulate Project MPP/MPX Files

MPXJ Maven Dependency

<dependencies>
<dependency>
<groupId>net.sf.mpxj</groupId>
<artifactId>mpxj</artifactId>
<version>10.11.0</version>
</dependency>
</dependencies>

คุณสามารถดาวน์โหลดได้โดยตรงจาก หน้า GitHub

How to Read a Microsoft Project File (.MPP) & Extract Task Information via Java API?

import net.sf.mpxj.ProjectFile;
import net.sf.mpxj.reader.ProjectReader;
import net.sf.mpxj.reader.UniversalProjectReader;

public class ReadMPPExample {
    public static void main(String[] args) {
        try {
            ProjectReader reader = new UniversalProjectReader();
            ProjectFile project = reader.read("sample.mpp");
            
            System.out.println("Project Name: " + project.getProjectProperties().getName());
            System.out.println("Tasks:");
            project.getTasks().forEach(task -> {
                System.out.println("ID: " + task.getID() + ", Name: " + task.getName());
            });
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

How to Calculate the Total Duration of Tasks in a Project via Java API?

import net.sf.mpxj.ProjectFile;
import net.sf.mpxj.Task;

public class DataAnalysisExample {
    public static void main(String[] args) {
        try {
            ProjectFile project = new ProjectFile("sample.mpp");
            int totalDuration = 0;
            
            for (Task task : project.getTasks()) {
                totalDuration += task.getDuration();
            }
            
            System.out.println("Total duration of tasks: " + totalDuration + " days");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
           

How to Create a New Task and Add It to a Project via Java API?

import net.sf.mpxj.ProjectFile;
import net.sf.mpxj.Task;

public class ManipulateProjectExample {
    public static void main(String[] args) {
        try {
            ProjectFile project = new ProjectFile();
            Task task = project.addTask();
            task.setName("New Task");
            task.setDuration(5); // duration in days
            
            System.out.println("New task added to the project.");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}