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https://issues.apache.org/jira/browse/PDFBOX-2270?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andreas Lehmkühler reassigned PDFBOX-2270:
------------------------------------------
Assignee: Andreas Lehmkühler
> PDField.getFullyQualifiedName() returns name adding suffix '.null'
> ------------------------------------------------------------------
>
> Key: PDFBOX-2270
> URL: https://issues.apache.org/jira/browse/PDFBOX-2270
> Project: PDFBox
> Issue Type: Bug
> Components: AcroForm
> Affects Versions: 1.5.0, 1.7.1, 1.8.0, 1.8.6
> Environment: JSE1.6
> Reporter: Javier García Sánchez
> Assignee: Andreas Lehmkühler
> Labels: PDAcroForm, PDField, getFullyQualifiedName()
> Attachments: TesterFields.java, business_loan_app_1_signer.pdf
>
> Original Estimate: 120h
> Remaining Estimate: 120h
>
> We have several pdf files where each one contains one pdf form with their own
> fields. We need to read all pdf fields and list them into a txt file.
>
> The problem comes when a pdf form has duplicated field names, so the
> field.getFullyQualifiedName() returns the name of the field wrong, adding
> '.null' at the final of field's names.
> -->Situation:
> 1) PDf file containing a pdf form
> 2) The pdf form contains lot of fields, some of their field's names are
> duplicated, like for example 'Applicant.city'.
> 3) When I try to list all of field's names, duplicate field's names comes
> with a suffix '.null' --> this only happends on duplicated field's names.
> ----------------------------------------------------------------------------------------------
> -->Example:
> 1) PDF Form with 4 fields whos names are: 'Applicant.name',
> 'Applicant.phone', 'Applicant.ssn', 'Applicant.name'.
> 2)After running the code shown bellow, the result list is:
> 'Applicant.name.null', 'Applicant.phone', 'Applicant.ssn',
> 'Applicant.name.null'.
> ----------------------------------------------------------------------------------------------
> -->Attach the code for listing all pdf form field's names:
> public static Set<String> printFields( PDDocument doc ) throws IOException {
> PDDocumentCatalog docCatalog = doc.getDocumentCatalog();
> PDAcroForm acroForm = docCatalog.getAcroForm();
> List fields = acroForm.getFields();
> Iterator fieldsIter = fields.iterator();
>
> Set<String> fieldSet = new HashSet<String>();
>
> while ( fieldsIter.hasNext() ){
> PDField field = (PDField)fieldsIter.next();
> // String fieldFullName = processField(field);
> fieldSet.addAll( processField( field ) );
> }
>
> return fieldSet;
> }
>
>
> private static Set<String> processField( PDField field ) throws
> IOException {
> List kids = field.getKids();
> Set<String> result = new HashSet<String>();
> if( kids != null ){
> Iterator kidsIter = kids.iterator();
>
> while ( kidsIter.hasNext() ){
> Object pdfObj = kidsIter.next();
> if( pdfObj instanceof PDField ){
> PDField kid = (PDField)pdfObj;
> result.addAll( processField( kid ) );
> }
> }
> }else{
>
> //System.out.println( "field.getFullyQualifiedName(): " +
> field.getFullyQualifiedName() );
>
> result.add( field.getFullyQualifiedName() );
> }
>
> return result;
>
> }
> --------------------------------------------------------------------------------
> field.getFullyQualifiedName() is returning duplicated field's names with a
> prefix '.null'.
> Thanks in advance.
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