org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector.java Source code

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Here is the source code for org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector.java

Source

package org.bouncycastle.openpgp;

import org.bouncycastle.bcpg.UserAttributeSubpacket;
import org.bouncycastle.bcpg.UserAttributeSubpacketTags;
import org.bouncycastle.bcpg.attr.ImageAttribute;

/**
 * Container for a list of user attribute subpackets.
 */
public class PGPUserAttributeSubpacketVector {
    UserAttributeSubpacket[] packets;

    PGPUserAttributeSubpacketVector(UserAttributeSubpacket[] packets) {
        this.packets = packets;
    }

    public UserAttributeSubpacket getSubpacket(int type) {
        for (int i = 0; i != packets.length; i++) {
            if (packets[i].getType() == type) {
                return packets[i];
            }
        }

        return null;
    }

    public ImageAttribute getImageAttribute() {
        UserAttributeSubpacket p = this.getSubpacket(UserAttributeSubpacketTags.IMAGE_ATTRIBUTE);

        if (p == null) {
            return null;
        }

        return (ImageAttribute) p;
    }

    UserAttributeSubpacket[] toSubpacketArray() {
        return packets;
    }

    public boolean equals(Object o) {
        if (o == this) {
            return true;
        }

        if (o instanceof PGPUserAttributeSubpacketVector) {
            PGPUserAttributeSubpacketVector other = (PGPUserAttributeSubpacketVector) o;

            if (other.packets.length != packets.length) {
                return false;
            }

            for (int i = 0; i != packets.length; i++) {
                if (!other.packets[i].equals(packets[i])) {
                    return false;
                }
            }

            return true;
        }

        return false;
    }

    public int hashCode() {
        int code = 0;

        for (int i = 0; i != packets.length; i++) {
            code ^= packets[i].hashCode();
        }

        return code;
    }
}