PdfStream (JHOVE - JSTOR/Harvard Object Validation Environment 1.16.0 API)

java.lang.Object
- edu.harvard.hul.ois.jhove.module.pdf.PdfObject
- - edu.harvard.hul.ois.jhove.module.pdf.PdfStream

```
public class PdfStream
extends PdfObject
```
A representation of a PDF stream object. A PdfStream consists of a dictionary and a stream token. By default the content of the stream isn't loaded, but it can be loaded when necessary.

Field Summary
- Fields inherited from class edu.harvard.hul.ois.jhove.module.pdf.PdfObject
  _genNumber, _objNumber

Constructor Summary

Constructors
Constructor and Description
`PdfStream(PdfDictionary dict, Stream stream)` Creates a PdfStream.
`PdfStream(PdfDictionary dict, Stream stream, int objNumber, int genNumber)` Creates a PdfStream

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`PdfDictionary`	`getDict()` Returns the stream's dictionary
`String`	`getFileSpecification()` If the stream is external, returns the file specification for it, otherwise returns null.
`String`	`getFilterName()` Return the name of the filter, if the DecodeParams dictionary is present and has a "Name" entry.
`Filter[]`	`getFilters()` Returns an array (possibly empty but not null) of the filters for this Stream.
`Stream`	`getStream()` Returns the stream's Stream portion
`boolean`	`isImage()` Returns `true` if this is an image stream.
`boolean`	`isPdfaCompliant()` Returns true if no PDF/A compliance problems have been found, false if problems have been found
`protected List`	`makeFilterList()`

Methods inherited from class edu.harvard.hul.ois.jhove.module.pdf.PdfObject
getGenNumber, getObjNumber, setGenNumber, setObjNumber

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

- Constructor Detail
  - PdfStream
```
public PdfStream(PdfDictionary dict,
                 Stream stream,
                 int objNumber,
                 int genNumber)
          throws PdfException
```
    Creates a PdfStream
    
    Parameters:
    
    dict - A dictionary describing the stream
    
    stream - A Stream token
    
    objNumber - The PDF object number
    
    genNumber - The PDF generation number
    
    Throws:
    
    PdfException
  - PdfStream
```
public PdfStream(PdfDictionary dict,
                 Stream stream)
          throws PdfException
```
    Creates a PdfStream.
    
    Parameters:
    
    dict - A dictionary describing the stream
    
    stream - A Stream token
    
    Throws:
    
    PdfException
- Method Detail
  - getDict
```
public PdfDictionary getDict()
```
    Returns the stream's dictionary
  - getStream
```
public Stream getStream()
```
    Returns the stream's Stream portion
  - getFileSpecification
```
public String getFileSpecification()
```
    If the stream is external, returns the file specification for it, otherwise returns null.
  - isPdfaCompliant
```
public boolean isPdfaCompliant()
```
    Returns true if no PDF/A compliance problems have been found, false if problems have been found
  - getFilters
```
public Filter[] getFilters()
                    throws PdfException
```
    Returns an array (possibly empty but not null) of the filters for this Stream. The elements of the array are Filter objects.
    
    Throws:
    
    PdfException
  - getFilterName
```
public String getFilterName()
```
    Return the name of the filter, if the DecodeParams dictionary is present and has a "Name" entry.
  - makeFilterList
```
protected List makeFilterList()
                       throws PdfException
```
    Throws:
    
    PdfException
  - isImage
```
public boolean isImage()
```
    Returns true if this is an image stream.

Class PdfStream

Field Summary

Fields inherited from class edu.harvard.hul.ois.jhove.module.pdf.PdfObject

Constructor Summary

Method Summary

Methods inherited from class edu.harvard.hul.ois.jhove.module.pdf.PdfObject

Methods inherited from class java.lang.Object

Constructor Detail

PdfStream

PdfStream

Method Detail

getDict

getStream

getFileSpecification

isPdfaCompliant

getFilters

getFilterName

makeFilterList

isImage