Edit PowerPoint PPT/PPTX Presentations in Java

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Related Article(s):

• Edit Presentations PPT/PPTX in Java
• Online Presentation Editor - PPT/PPTX Editing

EditPresentation.java

// Edit PPT/PPTX presenatations in Java using GroupDocs presentation editing and automation API

// Load Presentation
PresentationLoadOptions loadOptions = new PresentationLoadOptions();
loadOptions.setPassword("P@$$w0Rd");

// Edit Presentation
Editor editor = new Editor(new FileInputStream("path/presentation.pptx"), loadOptions);
PresentationEditOptions editOptions = new PresentationEditOptions();
editOptions.setSlideNumber(0); //1st slide
editOptions.setShowHiddenSlides(true);

EditableDocument beforeEdit = editor.edit(editOptions);
String originalContent = beforeEdit.getContent();
List<IHtmlResource> allResources = beforeEdit.getAllResources();

String editedContent = originalContent.replace("document", "presentation");

// Save Presentation
EditableDocument afterEdit = EditableDocument.fromMarkup(editedContent, allResources);
PresentationSaveOptions saveOptions = new PresentationSaveOptions(PresentationFormats.Pptm);
saveOptions.setPassword("new_pa$$word");

editor.save(afterEdit, new ByteArrayOutputStream(), saveOptions);

try(OutputStream outputFile = new FileOutputStream("path/edited-presentation.pptx")) {
    outputStream.writeTo(outputFile);
}