Class XfdfReader

java.lang.Object
com.lowagie.text.pdf.XfdfReader
All Implemented Interfaces:
FieldReader, SimpleXMLDocHandler

public class XfdfReader extends Object implements SimpleXMLDocHandler, FieldReader
Reads a XFDF.
  • Field Details

    • foundRoot

      private boolean foundRoot
    • fieldNames

      private Stack<String> fieldNames
    • fieldValues

      private Stack<String> fieldValues
    • fields

      private Map<String,String> fields
    • listFields

      private Map<String,List<String>> listFields
      Storage for field values if there's more than one value for a field.
      Since:
      2.1.4
    • fileSpec

      private String fileSpec
  • Constructor Details

    • XfdfReader

      public XfdfReader(String filename) throws IOException
      Reads an XFDF form.
      Parameters:
      filename - the file name of the form
      Throws:
      IOException - on error
    • XfdfReader

      public XfdfReader(byte[] xfdfIn) throws IOException
      Reads an XFDF form.
      Parameters:
      xfdfIn - the byte array with the form
      Throws:
      IOException - on error
  • Method Details

    • getAllFields

      public Map<String,String> getAllFields()
      Specified by:
      getAllFields in interface FieldReader
    • getField

      public String getField(String name)
      Gets the field value.
      Parameters:
      name - the fully qualified field name
      Returns:
      the field's value
    • getFieldValue

      public String getFieldValue(String name)
      Gets the field value or null if the field does not exist or has no value defined.
      Specified by:
      getFieldValue in interface FieldReader
      Parameters:
      name - the fully qualified field name
      Returns:
      the field value or null
    • getListValues

      public List<String> getListValues(String name)
      Gets the field values for a list or null if the field does not exist or has no value defined.
      Specified by:
      getListValues in interface FieldReader
      Parameters:
      name - the fully qualified field name
      Returns:
      the field values or null
      Since:
      2.1.4
    • getFileSpec

      public String getFileSpec()
      Gets the PDF file specification contained in the FDF.
      Returns:
      the PDF file specification contained in the FDF
    • startElement

      public void startElement(String tag, Map<String,String> h)
      Called when a start tag is found.
      Specified by:
      startElement in interface SimpleXMLDocHandler
      Parameters:
      tag - the tag name
      h - the tag's attributes
    • endElement

      public void endElement(String tag)
      Called when an end tag is found.
      Specified by:
      endElement in interface SimpleXMLDocHandler
      Parameters:
      tag - the tag name
    • startDocument

      public void startDocument()
      Called when the document starts to be parsed.
      Specified by:
      startDocument in interface SimpleXMLDocHandler
    • endDocument

      public void endDocument()
      Called after the document is parsed.
      Specified by:
      endDocument in interface SimpleXMLDocHandler
    • text

      public void text(String str)
      Called when a text element is found.
      Specified by:
      text in interface SimpleXMLDocHandler
      Parameters:
      str - the text element, probably a fragment.