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The objective of this example is to produce a multiple signature for an XML document using the TrustedX signature service. In order to understand this example, it is recommended that first you understand the previously seen example: XML Signature Generation.
To try this example, you must download the file called sampleAxis5.zip and follow the instructions in Configuration of the Environment.
This example is very similar to the XML Signature Generation example; however, in this example, the data to be included in the request is an XML signature and not an XML document. The filename file corresponds to the file generated in the DemoSignedDetached.xml signature example.
The downloaded file already includes a file to be used for signing, but it can be replaced with the file generated in the previous example. In the following instruction, filename contains the name of the mentioned file.
InputDocuments idoc = new InputDocuments();
Document doc = new Document();
doc.setBase64XML(Util.readBinaryFile(path_in + filename));
idoc.setDocument(doc);
sr.setInputDocuments(idoc);
This code also differs from the previous one, in that, it generates a second enveloped signature on top of an already existing signature i.e. it produces a multiple signature.
opt.setSignaturePlacement(new SignaturePlacement());
Again, the request must be sent to the TrustedX service, and, if all goes well, it will be possible to retrieve the XML signature in a file called DemoSignedDetachedMulti.xml.
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