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## org.bouncycastle.asn1.x509
Class ExtensionsGenerator

    java.lang.Object
      org.bouncycastle.asn1.x509.ExtensionsGenerator

public class ExtensionsGenerator
extends java.lang.Object

Generator for X.509 extensions

Constructor Summary
`ExtensionsGenerator()`

Method Summary
`void` | `addExtension(ASN1ObjectIdentifier oid, boolean critical, ASN1Encodable value)` Add an extension with the given oid and the passed in value to be included in the OCTET STRING associated with the extension.
`void` | `addExtension(ASN1ObjectIdentifier oid, boolean critical, byte[] value)` Add an extension with the given oid and the passed in byte array to be wrapped in the OCTET STRING associated with the extension.
`void` | `addExtension(Extension extension)` Add a given extension.
`void` | `addExtension(Extensions extensions)` Deprecated. Use addExtensions instead.
`void` | `addExtensions(Extensions extensions)`
`Extensions` | `generate()` Generate an Extensions object based on the current state of the generator.
`Extension` | `getExtension(ASN1ObjectIdentifier oid)` Return the current value of the extension for OID.
`boolean` | `hasExtension(ASN1ObjectIdentifier oid)` Return if the extension indicated by OID is present.
`boolean` | `isEmpty()` Return true if there are no extension present in this generator.
`void` | `removeExtension(ASN1ObjectIdentifier oid)` Remove a given extension.
`void` | `replaceExtension(ASN1ObjectIdentifier oid, boolean critical, ASN1Encodable value)` Replace an extension with the given oid and the passed in value to be included in the OCTET STRING associated with the extension.
`void` | `replaceExtension(ASN1ObjectIdentifier oid, boolean critical, byte[] value)` Replace an extension with the given oid and the passed in byte array to be wrapped in the OCTET STRING associated with the extension.
`void` | `replaceExtension(Extension extension)` Replace a given extension.
`void` | `reset()` Reset the generator

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

Constructor Detail

### ExtensionsGenerator

    public ExtensionsGenerator()

Method Detail

### reset

    public void reset()

  Reset the generator

### addExtension

    public void addExtension(ASN1ObjectIdentifier oid,
                             boolean critical,
                             ASN1Encodable value)
                      throws java.io.IOException

  Add an extension with the given oid and the passed in value to be included in the OCTET STRING associated with the extension.

  Parameters:
    `oid` - OID for the extension.
    `critical` - true if critical, false otherwise.
    `value` - the ASN.1 object to be included in the extension.
  Throws:
    `java.io.IOException`

### addExtension

    public void addExtension(ASN1ObjectIdentifier oid,
                             boolean critical,
                             byte[] value)

  Add an extension with the given oid and the passed in byte array to be wrapped in the OCTET STRING associated with the extension.

  Parameters:
    `oid` - OID for the extension.
    `critical` - true if critical, false otherwise.
    `value` - the byte array to be wrapped.

### addExtension

    public void addExtension(Extension extension)

  Add a given extension.

  Parameters:
    `extension` - the full extension value.

### addExtension

    public void addExtension(Extensions extensions)

  Deprecated. Use addExtensions instead.

### addExtensions

    public void addExtensions(Extensions extensions)

### replaceExtension

    public void replaceExtension(ASN1ObjectIdentifier oid,
                                 boolean critical,
                                 ASN1Encodable value)
                          throws java.io.IOException

  Replace an extension with the given oid and the passed in value to be included in the OCTET STRING associated with the extension.

  Parameters:
    `oid` - OID for the extension.
    `critical` - true if critical, false otherwise.
    `value` - the ASN.1 object to be included in the extension.
  Throws:
    `java.io.IOException`

### replaceExtension

    public void replaceExtension(ASN1ObjectIdentifier oid,
                                 boolean critical,
                                 byte[] value)

  Replace an extension with the given oid and the passed in byte array to be wrapped in the OCTET STRING associated with the extension.

  Parameters:
    `oid` - OID for the extension.
    `critical` - true if critical, false otherwise.
    `value` - the byte array to be wrapped.

### replaceExtension

    public void replaceExtension(Extension extension)

  Replace a given extension.

  Parameters:
    `extension` - the full extension value.

### removeExtension

    public void removeExtension(ASN1ObjectIdentifier oid)

  Remove a given extension.

  Parameters:
    `oid` - OID for the extension to remove.

### hasExtension

    public boolean hasExtension(ASN1ObjectIdentifier oid)

  Return if the extension indicated by OID is present.

  Parameters:
    `oid` - the OID for the extension of interest.
  Returns:
    true if a matching extension is present, false otherwise.

### getExtension

    public Extension getExtension(ASN1ObjectIdentifier oid)

  Return the current value of the extension for OID.

  Parameters:
    `oid` - the OID for the extension we want to fetch.
  Returns:
    the Extension, or null if it is not present.

### isEmpty

    public boolean isEmpty()

  Return true if there are no extension present in this generator.

  Returns:
    true if empty, false otherwise

### generate

    public Extensions generate()

  Generate an Extensions object based on the current state of the generator.

  Returns:
    an X09Extensions object.

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