OEROptional (Bouncy Castle Cryptography 1.71.1 API Specification)

java.lang.Object
- org.bouncycastle.asn1.ASN1Object
- - org.bouncycastle.oer.OEROptional

All Implemented Interfaces:

org.bouncycastle.asn1.ASN1Encodable, org.bouncycastle.util.Encodable
```
public class OEROptional
extends org.bouncycastle.asn1.ASN1Object
```
A placeholder object that represents an absent item.

Field Summary

Fields
Modifier and Type Field Description

static OEROptional ABSENT

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(java.lang.Object o)`
`org.bouncycastle.asn1.ASN1Encodable`	`get()`
`static OEROptional`	`getInstance(java.lang.Object o)`
`<T> T`	`getObject(java.lang.Class<T> type)`	utility method to cast value to a given type or to call that type's getInstance(Object o) method if it has one.
`static <T> T`	`getValue(java.lang.Class<T> type, java.lang.Object src)`
`int`	`hashCode()`
`boolean`	`isDefined()`
`org.bouncycastle.asn1.ASN1Primitive`	`toASN1Primitive()`
`java.lang.String`	`toString()`

Methods inherited from class org.bouncycastle.asn1.ASN1Object
encodeTo, encodeTo, getEncoded, getEncoded, hasEncodedTagValue

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

- Field Detail
  - ABSENT
```
public static final OEROptional ABSENT
```
- Method Detail
  - getInstance
```
public static OEROptional getInstance(java.lang.Object o)
```
  - getValue
```
public static <T> T getValue(java.lang.Class<T> type,
                             java.lang.Object src)
```
  - getObject
```
public <T> T getObject(java.lang.Class<T> type)
```
    utility method to cast value to a given type or to call that type's getInstance(Object o) method if it has one.
    
    Type Parameters:
    
    T - The type.
    
    Parameters:
    
    type - The target type.
    
    Returns:
    
    An instance of that type.
  - get
```
public org.bouncycastle.asn1.ASN1Encodable get()
```
  - toASN1Primitive
```
public org.bouncycastle.asn1.ASN1Primitive toASN1Primitive()
```
    Specified by:
    
    toASN1Primitive in interface org.bouncycastle.asn1.ASN1Encodable
    
    Specified by:
    
    toASN1Primitive in class org.bouncycastle.asn1.ASN1Object
  - isDefined
```
public boolean isDefined()
```
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - equals
```
public boolean equals(java.lang.Object o)
```
    Overrides:
    
    equals in class org.bouncycastle.asn1.ASN1Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class org.bouncycastle.asn1.ASN1Object