Add properties in XMP metadata of EPS | Java

In order to add properties in XMP metadata of EPS file it is necessary to do several steps:

  1. Initialize an input stream for input EPS file.
  2. Create an instance of PsDocument from created earlier input stream.
  3. Get an instance of XmpMetadata from the PsDocument. If given EPS file doesn’t contain XMP metadata the new one will be created, filled in with values from PS metadata comments and returned to you.
  4. Now you can add properties of metadata fileds.
  5. Initialize an output stream for output EPS file.
  6. Save EPS file with changed XMP metadata.


Following code snippet shows how to add properties in XMP metadata of EPS file in Java:

 1// For complete examples and data files, please go to https://github.com/aspose-page/Aspose.Page-for-Java
 2// Set license
 3new License().setLicense(BaseExamplesTest.LICENSE_PATH);
 4
 5// The path to the documents directory.
 6String dataDir = Utils.getDataDir();
 7
 8// Initialize input EPS file stream
 9FileInputStream psStream = new FileInputStream(dataDir + "xmp3.eps");
10
11PsDocument document = new PsDocument(psStream);
12
13try {
14    // Get XMP metadata. If EPS file doesn't contain XMP metadata we get new one filled with values from PS metadata comments (%%Creator, %%CreateDate, %%Title etc)
15    XmpMetadata xmp = document.getXmpMetadata();
16
17    // Add date property "xmp:Date1" value
18    TimeZone.setDefault( TimeZone.getTimeZone("UTC"));
19    Date now = new Date();            
20    xmp.put("xmp:Date1", new XmpValue(now));
21    
22    // Add integer property "xmp:Intg1" value
23    xmp.put("xmp:Intg1", new XmpValue(111));
24    
25    // Add double property "xmp:Double1" value
26    xmp.put("xmp:Double1", new XmpValue(111.11D));
27    
28    // Add string property "xmp:String1" value
29    xmp.put("xmp:String1", new XmpValue("ABC"));
30    
31    
32    // Initialize output EPS file stream
33    FileOutputStream outPsStream = new FileOutputStream(dataDir + "xmp3_changed.eps");
34    
35    // Save document with changed XMP metadata
36		try {			
37			document.save(outPsStream);
38		} finally {
39			outPsStream.close();
40		}
41
42} finally {
43    // close input EPS stream
44		psStream.close();
45}

See adding properties in XMP metadata in .NET and C++.

You can download examples and data files from GitHub.

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