org.bouncycastle.asn1.cmp.PKIFreeText.java Source code

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Here is the source code for org.bouncycastle.asn1.cmp.PKIFreeText.java

Source

package org.bouncycastle.asn1.cmp;

import java.util.Enumeration;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERUTF8String;

public class PKIFreeText extends ASN1Object {
    ASN1Sequence strings;

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

    public static PKIFreeText getInstance(Object obj) {
        if (obj instanceof PKIFreeText) {
            return (PKIFreeText) obj;
        } else if (obj != null) {
            return new PKIFreeText(ASN1Sequence.getInstance(obj));
        }

        return null;
    }

    private PKIFreeText(ASN1Sequence seq) {
        Enumeration e = seq.getObjects();
        while (e.hasMoreElements()) {
            if (!(e.nextElement() instanceof DERUTF8String)) {
                throw new IllegalArgumentException("attempt to insert non UTF8 STRING into PKIFreeText");
            }
        }

        strings = seq;
    }

    public PKIFreeText(DERUTF8String p) {
        strings = new DERSequence(p);
    }

    public PKIFreeText(String p) {
        this(new DERUTF8String(p));
    }

    public PKIFreeText(DERUTF8String[] strs) {
        strings = new DERSequence(strs);
    }

    public PKIFreeText(String[] strs) {
        ASN1EncodableVector v = new ASN1EncodableVector(strs.length);
        for (int i = 0; i < strs.length; i++) {
            v.add(new DERUTF8String(strs[i]));
        }
        strings = new DERSequence(v);
    }

    /**
     * Return the number of string elements present.
     * 
     * @return number of elements present.
     */
    public int size() {
        return strings.size();
    }

    /**
     * Return the UTF8STRING at index i.
     * 
     * @param i index of the string of interest
     * @return the string at index i.
     */
    public DERUTF8String getStringAt(int i) {
        return (DERUTF8String) strings.getObjectAt(i);
    }

    /**
     * <pre>
     * PKIFreeText ::= SEQUENCE SIZE (1..MAX) OF UTF8String
     * </pre>
     */
    public ASN1Primitive toASN1Primitive() {
        return strings;
    }
}