PDSeedValue (PDFBox reactor 2.0.7 API)

java.lang.Object
- org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSeedValue

All Implemented Interfaces:

COSObjectable
```
public class PDSeedValue
extends Object
implements COSObjectable
```
This represents a pdf signature seed value dictionary.

Author:

Thomas Chojecki

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`FLAG_ADD_REV_INFO` A Ff flag.
`static int`	`FLAG_DIGEST_METHOD` A Ff flag.
`static int`	`FLAG_FILTER` A Ff flag.
`static int`	`FLAG_LEGAL_ATTESTATION` A Ff flag.
`static int`	`FLAG_REASON` A Ff flag.
`static int`	`FLAG_SUBFILTER` A Ff flag.
`static int`	`FLAG_V` A Ff flag.

Constructor Summary

Constructors
Constructor and Description

PDSeedValue()
Default constructor.

PDSeedValue(COSDictionary dict)
Constructor.

Constructors
Constructor and Description
`PDSeedValue()` Default constructor.
`PDSeedValue(COSDictionary dict)` Constructor.

Method Summary

Methods
Modifier and Type	Method and Description
`COSDictionary`	`getCOSObject()` Convert this standard java object to a COS dictionary.
`List<String>`	`getDigestMethod()` An array of names indicating acceptable digest algorithms to use when signing.
`String`	`getFilter()` If Filter is not null and the `isFilterRequired()` indicates this entry is a required constraint, then the signature handler specified by this entry shall be used when signing; otherwise, signing shall not take place.
`List<String>`	`getLegalAttestation()` (Optional, PDF 1.6) An array of text strings that specifying possible legal attestations.
`PDSeedValueMDP`	`getMDP()` (Optional; PDF 1.6) A dictionary containing a single entry whose key is P and whose value is an integer between 0 and 3.
`List<String>`	`getReasons()` If the Reasons array is provided and `isReasonRequired()` indicates that Reasons is a required constraint, one of the reasons in the array shall be used for the signature dictionary; otherwise signing shall not take place.
`List<String>`	`getSubFilter()` If SubFilter is not null and the `isSubFilterRequired()` indicates this entry is a required constraint, then the first matching encodings shall be used when signing; otherwise, signing shall not take place.
`PDSeedValueTimeStamp`	`getTimeStamp()` (Optional; PDF 1.6) A time stamp dictionary containing two entries.
`float`	`getV()` The minimum required capability of the signature field seed value dictionary parser.
`boolean`	`isAddRevInfoRequired()`
`boolean`	`isDigestMethodRequired()`
`boolean`	`isFilterRequired()`
`boolean`	`isLegalAttestationRequired()`
`boolean`	`isReasonRequired()`
`boolean`	`isSubFilterRequired()`
`boolean`	`isVRequired()`
`void`	`setAddRevInfoRequired(boolean flag)` set true if the AddRevInfo shall be required.
`void`	`setDigestMethod(List<COSName> digestMethod)` (Optional, PDF 1.7) An array of names indicating acceptable digest algorithms to use when signing.
`void`	`setDigestMethodRequired(boolean flag)` set true if the DigestMethod shall be required.
`void`	`setFilter(COSName filter)` (Optional) The signature handler that shall be used to sign the signature field.
`void`	`setFilterRequired(boolean flag)` set true if the filter shall be required.
`void`	`setLegalAttestation(List<String> legalAttestation)` (Optional, PDF 1.6) An array of text strings that specifying possible legal attestations.
`void`	`setLegalAttestationRequired(boolean flag)` set true if the LegalAttestation shall be required.
`void`	`setMPD(PDSeedValueMDP mdp)` (Optional; PDF 1.6) A dictionary containing a single entry whose key is P and whose value is an integer between 0 and 3.
`void`	`setReasonRequired(boolean flag)` set true if the Reason shall be required.
`void`	`setReasonsd(List<String> reasons)` (Optional) An array of text strings that specifying possible reasons for signing a document.
`void`	`setSubFilter(List<COSName> subfilter)` (Optional) An array of names indicating encodings to use when signing.
`void`	`setSubFilterRequired(boolean flag)` set true if the subfilter shall be required.
`void`	`setTimeStamp(PDSeedValueTimeStamp timestamp)` (Optional; PDF 1.6) A time stamp dictionary containing two entries.
`void`	`setV(float minimumRequiredCapability)` (Optional) The minimum required capability of the signature field seed value dictionary parser.
`void`	`setVRequired(boolean flag)` set true if the V entry shall be required.

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

- Field Detail
  - FLAG_FILTER
```
public static final int FLAG_FILTER
```
    A Ff flag.
    
    See Also:
    Constant Field Values
  - FLAG_SUBFILTER
```
public static final int FLAG_SUBFILTER
```
    A Ff flag.
    
    See Also:
    Constant Field Values
  - FLAG_V
```
public static final int FLAG_V
```
    A Ff flag.
    
    See Also:
    Constant Field Values
  - FLAG_REASON
```
public static final int FLAG_REASON
```
    A Ff flag.
    
    See Also:
    Constant Field Values
  - FLAG_LEGAL_ATTESTATION
```
public static final int FLAG_LEGAL_ATTESTATION
```
    A Ff flag.
    
    See Also:
    Constant Field Values
  - FLAG_ADD_REV_INFO
```
public static final int FLAG_ADD_REV_INFO
```
    A Ff flag.
    
    See Also:
    Constant Field Values
  - FLAG_DIGEST_METHOD
```
public static final int FLAG_DIGEST_METHOD
```
    A Ff flag.
    
    See Also:
    Constant Field Values
- Constructor Detail
  - PDSeedValue
```
public PDSeedValue()
```
    Default constructor.
  - PDSeedValue
```
public PDSeedValue(COSDictionary dict)
```
    Constructor.
    
    Parameters:
    dict - The signature dictionary.
- Method Detail
  - getCOSObject
```
public COSDictionary getCOSObject()
```
    Convert this standard java object to a COS dictionary.
    
    Specified by:
    
    getCOSObject in interface COSObjectable
    
    Returns:
    The COS dictionary that matches this Java object.
  - isFilterRequired
```
public boolean isFilterRequired()
```
    Returns:
    true if the Filter is required
  - setFilterRequired
```
public void setFilterRequired(boolean flag)
```
    set true if the filter shall be required.
    
    Parameters:
    flag - if true, the specified Filter shall be used when signing.
  - isSubFilterRequired
```
public boolean isSubFilterRequired()
```
    Returns:
    true if the SubFilter is required
  - setSubFilterRequired
```
public void setSubFilterRequired(boolean flag)
```
    set true if the subfilter shall be required.
    
    Parameters:
    flag - if true, the first supported SubFilter in the array shall be used when signing.
  - isDigestMethodRequired
```
public boolean isDigestMethodRequired()
```
    Returns:
    true if the DigestMethod is required
  - setDigestMethodRequired
```
public void setDigestMethodRequired(boolean flag)
```
    set true if the DigestMethod shall be required.
    
    Parameters:
    flag - if true, one digest from the array shall be used.
  - isVRequired
```
public boolean isVRequired()
```
    Returns:
    true if the V entry is required
  - setVRequired
```
public void setVRequired(boolean flag)
```
    set true if the V entry shall be required.
    
    Parameters:
    flag - if true, the V entry shall be used.
  - isReasonRequired
```
public boolean isReasonRequired()
```
    Returns:
    true if the Reason is required
  - setReasonRequired
```
public void setReasonRequired(boolean flag)
```
    set true if the Reason shall be required.
    
    Parameters:
    flag - if true, the Reason entry shall be used.
  - isLegalAttestationRequired
```
public boolean isLegalAttestationRequired()
```
    Returns:
    true if the LegalAttestation is required
  - setLegalAttestationRequired
```
public void setLegalAttestationRequired(boolean flag)
```
    set true if the LegalAttestation shall be required.
    
    Parameters:
    flag - if true, the LegalAttestation entry shall be used.
  - isAddRevInfoRequired
```
public boolean isAddRevInfoRequired()
```
    Returns:
    true if the AddRevInfo is required
  - setAddRevInfoRequired
```
public void setAddRevInfoRequired(boolean flag)
```
    set true if the AddRevInfo shall be required.
    
    Parameters:
    flag - if true, the AddRevInfo shall be used.
  - getFilter
```
public String getFilter()
```
    If Filter is not null and the isFilterRequired() indicates this entry is a required constraint, then the signature handler specified by this entry shall be used when signing; otherwise, signing shall not take place. If isFilterRequired() indicates that this is an optional constraint, this handler may be used if it is available. If it is not available, a different handler may be used instead.
    
    Returns:
    the filter that shall be used by the signature handler
  - setFilter
```
public void setFilter(COSName filter)
```
    (Optional) The signature handler that shall be used to sign the signature field.
    
    Parameters:
    filter - is the filter that shall be used by the signature handler
  - getSubFilter
```
public List<String> getSubFilter()
```
    If SubFilter is not null and the isSubFilterRequired() indicates this entry is a required constraint, then the first matching encodings shall be used when signing; otherwise, signing shall not take place. If isSubFilterRequired() indicates that this is an optional constraint, then the first matching encoding shall be used if it is available. If it is not available, a different encoding may be used instead.
    
    Returns:
    the subfilter that shall be used by the signature handler
  - setSubFilter
```
public void setSubFilter(List<COSName> subfilter)
```
    (Optional) An array of names indicating encodings to use when signing. The first name in the array that matches an encoding supported by the signature handler shall be the encoding that is actually used for signing.
    
    Parameters:
    subfilter - is the name that shall be used for encoding
  - getDigestMethod
```
public List<String> getDigestMethod()
```
    An array of names indicating acceptable digest algorithms to use when signing. The value shall be one of SHA1, SHA256, SHA384, SHA512, RIPEMD160. The default value is implementation-specific.
    
    Returns:
    the digest method that shall be used by the signature handler
  - setDigestMethod
```
public void setDigestMethod(List<COSName> digestMethod)
```
    (Optional, PDF 1.7) An array of names indicating acceptable digest algorithms to use when signing. The value shall be one of SHA1, SHA256, SHA384, SHA512, RIPEMD160. The default value is implementation-specific.
    
    This property is only applicable if the digital credential signing contains RSA public/privat keys
    
    Parameters:
    digestMethod - is a list of possible names of the digests, that should be used for signing.
  - getV
```
public float getV()
```
    The minimum required capability of the signature field seed value dictionary parser. A value of 1 specifies that the parser shall be able to recognize all seed value dictionary entries in a PDF 1.5 file. A value of 2 specifies that it shall be able to recognize all seed value dictionary entries specified.
    
    Returns:
    the minimum required capability of the signature field seed value dictionary parser
  - setV
```
public void setV(float minimumRequiredCapability)
```
    (Optional) The minimum required capability of the signature field seed value dictionary parser. A value of 1 specifies that the parser shall be able to recognize all seed value dictionary entries in a PDF 1.5 file. A value of 2 specifies that it shall be able to recognize all seed value dictionary entries specified.
    
    Parameters:
    minimumRequiredCapability - is the minimum required capability of the signature field seed value dictionary parser
  - getReasons
```
public List<String> getReasons()
```
    If the Reasons array is provided and isReasonRequired() indicates that Reasons is a required constraint, one of the reasons in the array shall be used for the signature dictionary; otherwise signing shall not take place. If the isReasonRequired() indicates Reasons is an optional constraint, one of the reasons in the array may be chose or a custom reason can be provided.
    
    Returns:
    the reasons that should be used by the signature handler
  - setReasonsd
```
public void setReasonsd(List<String> reasons)
```
    (Optional) An array of text strings that specifying possible reasons for signing a document. If specified, the reasons supplied in this entry replace those used by conforming products.
    
    Parameters:
    reasons - is a list of possible text string that specifying possible reasons
  - getMDP
```
public PDSeedValueMDP getMDP()
```
    (Optional; PDF 1.6) A dictionary containing a single entry whose key is P and whose value is an integer between 0 and 3. A value of 0 defines the signatures as an author signature. The value 1 through 3 shall be used for certification signatures and correspond to the value of P in a DocMDP transform parameters dictionary.
    
    If this MDP key is not present or the MDP dictionary does not contain a P entry, no rules shall be defined regarding the type of signature or its permissions.
    
    Returns:
    the mdp dictionary as PDSeedValueMDP
  - setMPD
```
public void setMPD(PDSeedValueMDP mdp)
```
    (Optional; PDF 1.6) A dictionary containing a single entry whose key is P and whose value is an integer between 0 and 3. A value of 0 defines the signatures as an author signature. The value 1 through 3 shall be used for certification signatures and correspond to the value of P in a DocMDP transform parameters dictionary.
    
    If this MDP key is not present or the MDP dictionary does not contain a P entry, no rules shall be defined regarding the type of signature or its permissions.
    
    Parameters:
    mdp - dictionary
  - getTimeStamp
```
public PDSeedValueTimeStamp getTimeStamp()
```
    (Optional; PDF 1.6) A time stamp dictionary containing two entries. URL which is a ASCII string specifying the URL to a rfc3161 conform timestamp server and Ff to indicate if a timestamp is required or optional.
    
    Returns:
    the timestamp dictionary as PDSeedValueTimeStamp
  - setTimeStamp
```
public void setTimeStamp(PDSeedValueTimeStamp timestamp)
```
    (Optional; PDF 1.6) A time stamp dictionary containing two entries. URL which is a ASCII string specifying the URL to a rfc3161 conform timestamp server and Ff to indicate if a timestamp is required or optional.
    
    Parameters:
    timestamp - dictionary
  - getLegalAttestation
```
public List<String> getLegalAttestation()
```
    (Optional, PDF 1.6) An array of text strings that specifying possible legal attestations.
    
    Returns:
    the reasons that should be used by the signature handler
  - setLegalAttestation
```
public void setLegalAttestation(List<String> legalAttestation)
```
    (Optional, PDF 1.6) An array of text strings that specifying possible legal attestations.
    
    Parameters:
    legalAttestation - is a list of possible text string that specifying possible legal attestations.

Class PDSeedValue

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

FLAG_FILTER

FLAG_SUBFILTER

FLAG_V

FLAG_REASON

FLAG_LEGAL_ATTESTATION

FLAG_ADD_REV_INFO

FLAG_DIGEST_METHOD

Constructor Detail

PDSeedValue

PDSeedValue

Method Detail

getCOSObject

isFilterRequired

setFilterRequired

isSubFilterRequired

setSubFilterRequired

isDigestMethodRequired

setDigestMethodRequired

isVRequired

setVRequired

isReasonRequired

setReasonRequired

isLegalAttestationRequired

setLegalAttestationRequired

isAddRevInfoRequired

setAddRevInfoRequired

getFilter

setFilter

getSubFilter

setSubFilter

getDigestMethod

setDigestMethod

getV

setV

getReasons

setReasonsd

getMDP

setMPD

getTimeStamp

setTimeStamp

getLegalAttestation

setLegalAttestation