multivalent.std.adaptor.pdf
Class COSSource

java.lang.Object
  multivalent.std.adaptor.pdf.COSSource

Direct Known Subclasses:

PDFReader, PDFWriter

public abstract class COSSource

extends java.lang.Object

Abstract superclass for classes that can produce PDF COS objects.

• Object access: getObject(Object), getObjCnt() getTrailer()
• Algorithms: connected(Object)
• Object inspection: getDecodeParms(Dict, String),
• Versioning: getVersion()}

Version:

$Revision: 1.3 $ $Date: 2004/05/09 07:04:26 $

Constructor Summary

COSSource()

Method Summary

java.util.List<IRef>	connected(java.lang.Object obj) Returns list of IRefs to objects reachable from object obj connected by nested data structures or indirect references.
abstract Dict	getCatalog()
java.lang.Object	getDecodeParms(Dict stream, java.lang.String filter) Returns DecodeParms associated with filter; or if no filter by that name returns null.
abstract int	getObjCnt()
abstract java.lang.Object	getObject(java.lang.Object ref)
int	getObjInt(java.lang.Object ref) Convenience method for ((Number)getObject(ref)).intValue().
abstract Dict	getTrailer()
abstract phelps.util.Version	getVersion() Returns the major version of PDF used; for example, for PDF 1.4.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

COSSource

public COSSource()

Method Detail

getObject

public abstract java.lang.Object getObject(java.lang.Object ref)
                                    throws java.io.IOException

Throws:

java.io.IOException

getObjCnt

public abstract int getObjCnt()

getCatalog

public abstract Dict getCatalog()
                         throws java.io.IOException

Throws:

java.io.IOException

getTrailer

public abstract Dict getTrailer()

getObjInt

public int getObjInt(java.lang.Object ref)
              throws java.io.IOException

Convenience method for ((Number)getObject(ref)).intValue().

Throws:

java.io.IOException

connected

public java.util.List<IRef> connected(java.lang.Object obj)
                               throws java.io.IOException

Returns list of IRefs to objects reachable from object obj connected by nested data structures or indirect references.

Throws:

java.io.IOException

getVersion

public abstract phelps.util.Version getVersion()

Returns the major version of PDF used; for example, for PDF 1.4.

getDecodeParms

public java.lang.Object getDecodeParms(Dict stream,
                                       java.lang.String filter)
                                throws java.io.IOException

Returns DecodeParms associated with filter; or if no filter by that name returns null.

Throws:

java.io.IOException