http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
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package org.bouncycastle.asn1;

import java.io.IOException;


Parser class for DER SETs.

/**
 * Parser class for DER SETs.
 */
public class DERSetParser
    implements ASN1SetParser
{
    private ASN1StreamParser _parser;

    DERSetParser(ASN1StreamParser parser)
    {
        this._parser = parser;
    }

    
Return the next object in the SET.

Throws:
  • IOException – if there is an issue loading the object.
Returns:next object in SET.
/**
     * Return the next object in the SET.
     *
     * @return next object in SET.
     * @throws IOException if there is an issue loading the object.
     */
    public ASN1Encodable readObject()
        throws IOException
    {
        return _parser.readObject();
    }

    
Return an in memory, encodable, representation of the SET.

Throws:
Returns:a DERSet.
/**
     * Return an in memory, encodable, representation of the SET.
     *
     * @return a DERSet.
     * @throws IOException if there is an issue loading the data.
     */
    public ASN1Primitive getLoadedObject()
        throws IOException
    {
        return new DERSet(_parser.readVector(), false);
    }

    
Return a DERSet representing this parser and its contents.

Returns:a DERSet
/**
     * Return a DERSet representing this parser and its contents.
     *
     * @return a DERSet
     */
    public ASN1Primitive toASN1Primitive()
    {
        try
        {
            return getLoadedObject();
        }
        catch (IOException e)
        {
            throw new ASN1ParsingException(e.getMessage(), e);
        }
    }
}