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GeneralNames.java

package org.bouncycastle.asn1.x509;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERSequence;

public class GeneralNames
    extends ASN1Encodable
{
    ASN1Sequence            seq;

    public static GeneralNames getInstance(
        Object  obj)
    {
        if (obj == null || obj instanceof GeneralNames)
        {
            return (GeneralNames)obj;
        }

        if (obj instanceof ASN1Sequence)
        {
            return new GeneralNames((ASN1Sequence)obj);
        }

        throw new IllegalArgumentException("illegal object in getInstance: " + obj.getClass().getName());
    }

    public static GeneralNames getInstance(
        ASN1TaggedObject obj,
        boolean          explicit)
    {
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
    }

    /**
     * Construct a GeneralNames object containing one GeneralName.
     * 
     * @param name the name to be contained.
     */
    public GeneralNames(
        GeneralName  name)
    {
        this.seq = new DERSequence(name);
    }
    
    public GeneralNames(
        ASN1Sequence  seq)
    {
        this.seq = seq;
    }

    public GeneralName[] getNames()
    {
        GeneralName[]   names = new GeneralName[seq.size()];
        
        for (int i = 0; i != seq.size(); i++)
        {
            names[i] = GeneralName.getInstance(seq.getObjectAt(i));
        }
        
        return names;
    }

    /**
     * Produce an object suitable for an ASN1OutputStream.
     * <pre>
     * GeneralNames ::= SEQUENCE SIZE {1..MAX} OF GeneralName
     * </pre>
     */
    public DERObject toASN1Object()
    {
        return seq;
    }
}

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