org.bouncycastle.asn1.x509.GeneralNames.java Source code

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Here is the source code for org.bouncycastle.asn1.x509.GeneralNames.java

Source

package org.bouncycastle.asn1.x509;

import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.util.Strings;

public class GeneralNames extends ASN1Object {
    private final GeneralName[] names;

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

        if (obj != null) {
            return new GeneralNames(ASN1Sequence.getInstance(obj));
        }

        return null;
    }

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

    public static GeneralNames fromExtensions(Extensions extensions, ASN1ObjectIdentifier extOID) {
        return GeneralNames.getInstance(Extensions.getExtensionParsedValue(extensions, extOID));
    }

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

    public GeneralNames(GeneralName[] names) {
        this.names = copy(names);
    }

    private GeneralNames(ASN1Sequence seq) {
        this.names = new GeneralName[seq.size()];

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

    public GeneralName[] getNames() {
        return copy(names);
    }

    private GeneralName[] copy(GeneralName[] nms) {
        GeneralName[] tmp = new GeneralName[nms.length];

        System.arraycopy(nms, 0, tmp, 0, tmp.length);

        return tmp;
    }

    /**
     * Produce an object suitable for an ASN1OutputStream.
     * <pre>
     * GeneralNames ::= SEQUENCE SIZE {1..MAX} OF GeneralName
     * </pre>
     */
    public ASN1Primitive toASN1Primitive() {
        return new DERSequence(names);
    }

    public String toString() {
        StringBuffer buf = new StringBuffer();
        String sep = Strings.lineSeparator();

        buf.append("GeneralNames:");
        buf.append(sep);

        for (int i = 0; i != names.length; i++) {
            buf.append("    ");
            buf.append(names[i]);
            buf.append(sep);
        }
        return buf.toString();
    }
}