Advanced search for Barcode signatures
GroupDocs.Signature provides BarcodeSearchOptions class to specify different options to search for Barcode Signatures.
Here are the steps to search for barcode signatures within the document with GroupDocs.Signature:
- Create new instance of Signature class and pass source document path as a constructor parameter.
- Instantiate the BarcodeSearchOptions object according to your requirements and specify search options
- Call search method of Signature class instance and pass BarcodeSearchOptions to it.
This example shows how to make advanced search for Barcode signature in the document.
Signature signature = new Signature("sample.pdf");
BarcodeSearchOptions options = new BarcodeSearchOptions();
options.setAllPages(true); // this value is set by default
// single page number
options.setPageNumber(1);
// setup extended search in pages setup
PagesSetup pagesSetup = new PagesSetup() ;
pagesSetup.setFirstPage(true);
pagesSetup.setLastPage(true);
pagesSetup.setOddPages(false);
pagesSetup.setEvenPages(false);
options.setPagesSetup(pagesSetup);
// specify special barcode type to search
options.setEncodeType(BarcodeTypes.Code39Standard);
// specify text match type
options.setMatchType(TextMatchType.Contains);
// specify text pattern to search
options.setText("12345678");
// search for signatures in document
List<BarcodeSignature> signatures = signature.search(BarcodeSignature.class, options);
System.out.print("\nSource document contains following signatures.");
for (BarcodeSignature barcodeSignature : signatures) {
System.out.print("Barcode signature found at page " + barcodeSignature.getPageNumber() + " with type " + barcodeSignature.getEncodeType() + " and text " + barcodeSignature.getText());
}
More resources
GitHub Examples
You may easily run the code above and see the feature in action in our GitHub examples:
- GroupDocs.Signature for .NET examples, plugins, and showcase
- GroupDocs.Signature for Java examples, plugins, and showcase
- Document Signature for .NET MVC UI Example
- Document Signature for .NET App WebForms UI Example
- Document Signature for Java App Dropwizard UI Example
- Document Signature for Java Spring UI Example
Free Online App
Along with full-featured .NET library we provide simple, but powerful free Apps.
You are welcome to eSign PDF, Word, Excel, PowerPoint documents with free to use online GroupDocs Signature App.