/**
* This will take a document and extract the desired pages into a new document. Both startPage and
* endPage are included in the extracted document. If the endPage is greater than the number of
* pages in the source document, it will go to the end of the document. If startPage is less than
* 1, it'll start with page 1. If startPage is greater than endPage or greater than the number of
* pages in the source document, a blank document will be returned.
*
* @return The extracted document
* @throws IOException If there is an IOError
*/
public PDDocument extract() throws IOException {
PDDocument extractedDocument = new PDDocument();
extractedDocument.setDocumentInformation(sourceDocument.getDocumentInformation());
extractedDocument
.getDocumentCatalog()
.setViewerPreferences(sourceDocument.getDocumentCatalog().getViewerPreferences());
for (int i = startPage; i <= endPage; i++) {
PDPage page = sourceDocument.getPage(i - 1);
PDPage imported = extractedDocument.importPage(page);
imported.setCropBox(page.getCropBox());
imported.setMediaBox(page.getMediaBox());
imported.setResources(page.getResources());
imported.setRotation(page.getRotation());
}
return extractedDocument;
}
/**
* Creates a new instance of PageExtractor
*
* @param sourceDocument The document to split.
*/
public PageExtractor(PDDocument sourceDocument) {
this.sourceDocument = sourceDocument;
endPage = sourceDocument.getNumberOfPages();
}
