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## org.apache.fop.pdf
Class PDFLink

    java.lang.Object
      org.apache.fop.pdf.PDFObject
          org.apache.fop.pdf.PDFLink

All Implemented Interfaces:
  PDFWritable

    public class PDFLink

extends PDFObject

class representing an /Annot object of /Subtype /Link

Field Summary
`static int` | `EXTERNAL` Used to represent an external link.
`static int` | `INTERNAL` Used to represent an internal link.

Fields inherited from class org.apache.fop.pdf.PDFObject
`log`

Constructor Summary
`PDFLink(java.awt.geom.Rectangle2D r)` create objects associated with a link annotation (GoToR)

Method Summary
`protected boolean` | `contentEquals(PDFObject obj)` Check if the other PDFObject has the same content as the current object.
`void` | `setAction(PDFAction action)` Set the pdf action for this link.
`void` | `setStructParent(int structParent)` Sets the value of the StructParent entry for this link.
`java.lang.String` | `toPDFString()` This method returns a String representation of the PDF object.

Methods inherited from class org.apache.fop.pdf.PDFObject
`encode, encodeBinaryToHexString, encodeString, encodeText, formatObject, getDocument, getDocumentSafely, getGeneration, getObjectID, getObjectNumber, getParent, hasObjectNumber, makeReference, output, outputInline, referencePDF, setDocument, setObjectNumber, setParent, toPDF`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### EXTERNAL

    public static final int EXTERNAL

  Used to represent an external link.

  See Also:
    Constant Field Values

### INTERNAL

    public static final int INTERNAL

  Used to represent an internal link.

  See Also:
    Constant Field Values

Constructor Detail

### PDFLink

    public PDFLink(java.awt.geom.Rectangle2D r)

  create objects associated with a link annotation (GoToR)

  Parameters:
    `r` - the rectangle of the link hotspot in absolute coordinates

Method Detail

### setAction

    public void setAction(PDFAction action)

  Set the pdf action for this link.

  Parameters:
    `action` - the pdf action that is activated for this link

### setStructParent

    public void setStructParent(int structParent)

  Sets the value of the StructParent entry for this link.

  Parameters:
    `structParent` - key in the structure parent tree

### toPDFString

    public java.lang.String toPDFString()

  This method returns a String representation of the PDF object. The result is normally converted/encoded to a byte array by toPDF(). Only use this method to implement the serialization if the object can be fully represented as text. If the PDF representation of the object contains binary content use toPDF() or output(OutputStream) instead. This applies to any object potentially containing a string object because string object are encrypted and therefore need to be binary.

  Overrides:
    `toPDFString` in class `PDFObject`
  Returns:
    String the String representation

### contentEquals

    protected boolean contentEquals(PDFObject obj)

  Check if the other PDFObject has the same content as the current object.

  Note: This function has a contract which is less binding than `Object.equals(Object)`. Whereas equals would require all values to be identical, this method is not required to check everything. In the case of PDFObjects, this means that the overriding function does not have to check for `PDFObject.getObjectID()`.

  Overrides:
    `contentEquals` in class `PDFObject`
  Parameters:
    `obj` - object to compare to.
  Returns:
    true if the other object has the same content.

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