readme.md

Learn how to add, access, and modify document properties in PowerPoint presentations using Java: https://blog.aspose.com/2021/08/12/access-modify-properties-of-powerpoint-files-using-java/

access-builtin-properties.java

// Load presentation
Presentation pres = new Presentation("Presentation.pptx");
try {
    // Create a reference to IDocumentProperties object associated with presentation
    IDocumentProperties dp = pres.getDocumentProperties();
    
    // Display the built-in properties
    System.out.println("Category : " + dp.getCategory());
    System.out.println("Current Status : " + dp.getContentStatus());
    System.out.println("Creation Date : " + dp.getCreatedTime());
    System.out.println("Author : " + dp.getAuthor());
    System.out.println("Description : " + dp.getComments());
    System.out.println("KeyWords : " + dp.getKeywords());
    System.out.println("Last Modified By : " + dp.getLastSavedBy());
    System.out.println("Supervisor : " + dp.getManager());
    System.out.println("Modified Date : " + dp.getLastSavedTime());
    System.out.println("Presentation Format : " + dp.getPresentationFormat());
    System.out.println("Last Print Date : " + dp.getLastPrinted());
    System.out.println("Is Shared between producers : " + dp.getSharedDoc());
    System.out.println("Subject : " + dp.getSubject());
    System.out.println("Title : " + dp.getTitle());
} finally {
    if (pres != null) pres.dispose();
}

access-custom-properties.java

// Load presentation
Presentation pres = new Presentation("Presentation.pptx");
try {
    // Create a reference to DocumentProperties object associated with presentation
    IDocumentProperties dp = pres.getDocumentProperties();
    
    // Access and modify custom properties
    for (int i = 0; i < dp.getCountOfCustomProperties(); i++) {
        // Display names and values of custom properties
        System.out.println("Custom Property Name : " + dp.getCustomPropertyName(i));
        System.out.println("Custom Property Value : " + dp.get_Item(dp.getCustomPropertyName(i)));
    }
    
    // Save your presentation to a file
    pres.save("CustomDemoModified.pptx", SaveFormat.Pptx);
} finally {
    if (pres != null) pres.dispose();
}

add-custom-properties.java

// Load presentation
Presentation pres = new Presentation("Presentation.pptx");
try {
    // Get Document Properties
    IDocumentProperties dProps = pres.getDocumentProperties();
    
    // Add Custom properties
    dProps.set_Item("New Custom", 12);
    dProps.set_Item("My Name", "Mudassir");
    dProps.set_Item("Custom", 124);
    
    // Get property name at particular index
    String getPropertyName = dProps.getCustomPropertyName(2);
    
    // To remove selected property
    //dProps.removeCustomProperty(getPropertyName);
    
    // Save presentation
    pres.save("CustomDemo.pptx", SaveFormat.Pptx);
} finally {
    if (pres != null) pres.dispose();
}

modify-builtin-properties.java

// Load presentation
Presentation pres = new Presentation("Presentation.pptx");
try {
    // Create a reference to IDocumentProperties object associated with Presentation
    IDocumentProperties dp = pres.getDocumentProperties();
    
    // Set the built-in properties
    dp.setAuthor("Aspose.Slides for Java");
    dp.setTitle("Modifying Presentation Properties");
    dp.setSubject("Aspose Subject");
    dp.setComments("Aspose Description");
    dp.setManager("Aspose Manager");
    
    // Save your presentation to a file
    pres.save("DocProps.pptx", SaveFormat.Pptx);
} finally {
    if (pres != null) pres.dispose();
}

modify-custom-properties.java

// Load presentation
Presentation pres = new Presentation("Presentation.pptx");
try {
    // Create a reference to DocumentProperties object associated with presentation
    IDocumentProperties dp = pres.getDocumentProperties();
    
    // Access and modify custom properties
    for (int i = 0; i < dp.getCountOfCustomProperties(); i++) {    
        // Modify values of custom properties
        dp.set_Item(dp.getCustomPropertyName(i), "New Value " + (i + 1));
    }
    
    // Save your presentation to a file
    pres.save("CustomDemoModified.pptx", SaveFormat.Pptx);
} finally {
    if (pres != null) pres.dispose();
}