org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of bcpg-jdk15to18 Show documentation

The Bouncy Castle Java API for handling the OpenPGP protocol. This jar contains the OpenPGP API for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.

There is a newer version: 1.79

Show newest version

package org.bouncycastle.openpgp;

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

/**
 * Container for a list of user attribute subpackets.
 */
public class PGPUserAttributeSubpacketVector implements UserDataPacket
{
    public static PGPUserAttributeSubpacketVector fromSubpackets(UserAttributeSubpacket[] packets)
    {
        if (packets == null)
        {
            packets = new UserAttributeSubpacket[0];
        }
        return new PGPUserAttributeSubpacketVector(packets);
    }

    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;
    }
}