Saving the document in an original format requires deleting or redacting its metadata to remove all confidential data. For these purposes GroupDocs.Redaction provides metadata redaction API. GroupDocs.Redaction API allows to either save redacted documents in PDF, transform all pages into raster images or save redacted document in its original format for further editing. All the file formats including PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX and others have some metadata properties. These properties include author name, category, company name, comments, creation time, last updated and many more.There are also some hidden data associated with the files which can be viewed using various tools and techniques. With GroupDocs.Redaction API you can apply metadata redactions to any of these metadata properties. You can change or delete them by filtering the metadata you want. In this guide we will explain how you can redact Version metadata from PPS document in Java.
Following code allows you to search and redact sensitive data from a PPS document. You can set scope for redaction by setting filter, e.g. to MetadataFilter.Version. It will leave the regular expressions matches undone in all metadata items, except “Version” property:
final Redactor redactor = new Redactor(filePath); | |
try | |
{ | |
MetadataSearchRedaction redaction = new MetadataSearchRedaction("version number", "--version--"); | |
redaction.setFilter(MetadataFilters.Version); | |
redactor.apply(redaction); | |
SaveOptions options = new SaveOptions(); | |
options.setAddSuffix(true); | |
options.setRasterizeToPDF(false); | |
// Save the document to "*_Redacted.*" file in original format | |
redactor.save(options); | |
} | |
finally { redactor.close(); } |
You can replace all or specific metadata in the document with empty (blank or minimal) values using EraseMetadataRedaction class. Following code shows how you can filter and then remove a metadata property from a PPS document.The example below blanks out all properties of the document:
final Redactor redactor = new Redactor(filePath); | |
try | |
{ | |
redactor.apply(new EraseMetadataRedaction(MetadataFilters.All)); | |
SaveOptions options = new SaveOptions(); | |
options.setAddSuffix(true); | |
options.setRasterizeToPDF(false); | |
// Save the document to "*_Redacted.*" file in original format | |
redactor.save(options); | |
} | |
finally { redactor.close(); } |
GroupDocs.Redaction for Java APIs are supported on all major platforms and operating systems. For complete system requirements guide, please visit system requirements Before executing the code below, please make sure that you have the following prerequisites installled on your system:
PPS, PowerPoint Slide Show, files are created using Microsoft PowerPoint for Slide Show purpose. PPS file reading and creation is supported by Microsoft PowerPoint 97-2003. The more latest version of this file format is PPSX which is based on Office OpenXML standards. PPS files can still be read by latest versions of Microsoft PowerPoint, but newly created files can only be saved in PPSX file format. When a PPS file is shared with another user and opened, it starts as Powerpoint show unlike PPT file which opens in editable mode.
Read More(Bitmap Image File)
(Microsoft Word Binary Format)
(Microsoft Word 2007 Marco File)
(Office 2007+ Word Document)
(Microsoft Word Template Files)
(Microsoft Word 2007+ Template File)
(Microsoft Word Template File )
(Graphical Interchange Format)
(Joint Photographic Expert Group Image)
(Portable Document Format)
(Portable Network Graphic)
(Microsoft PowerPoint Template Files)
(Microsoft PowerPoint Template File)
(Macro-enabled Slide Show)
(PowerPoint Slide Show)
(Microsoft PowerPoint 97-2003)
(Macro-enabled Presentation File)
(Open XML presentation Format)
(Rich Text Format)
(Tagged Image File Format)
(Microsoft Excel Spreadsheet (Legacy))
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(Open XML Workbook)
(Excel 97 - 2003 Template)
(Excel Macro-Enabled Template)
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