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## org.apache.fop.pdf
Class PDFLaunch

    java.lang.Object
      org.apache.fop.pdf.PDFObject
          org.apache.fop.pdf.PDFAction
              org.apache.fop.pdf.PDFLaunch

All Implemented Interfaces:
  PDFWritable

    public class PDFLaunch

extends PDFAction

This class represents the /Launch action.

Field Summary

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

Constructor Summary
`PDFLaunch(PDFFileSpec fileSpec)` Creates a new /Launch action.
`PDFLaunch(PDFReference fileSpec)` Creates a new /Launch action.

Method Summary
`protected boolean` | `contentEquals(PDFObject obj)` Check if the other PDFObject has the same content as the current object.
`java.lang.String` | `getAction()` represent the action to call this method should be implemented to return the action which gets called by the Link Object.
`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, getChildren, getDocument, getDocumentSafely, getGeneration, getObjectID, getObjectNumber, getParent, hasObjectNumber, makeReference, output, outputInline, referencePDF, setDocument, setObjectNumber, setObjectNumber, setObjectNumber, setParent, toPDF`

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

Constructor Detail

### PDFLaunch

    public PDFLaunch(PDFFileSpec fileSpec)

  Creates a new /Launch action.

  Parameters:
    `fileSpec` - the file specification to launch

### PDFLaunch

    public PDFLaunch(PDFReference fileSpec)

  Creates a new /Launch action.

  Parameters:
    `fileSpec` - a reference to the file specification

Method Detail

### getAction

    public java.lang.String getAction()

  represent the action to call this method should be implemented to return the action which gets called by the Link Object. This could be a reference to another object or the specific destination of the link

  Specified by:
    `getAction` in class `PDFAction`
  Returns:
    the action to place next to /A within a Link

### 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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