org.xipki.security.pkcs11.proxy.msg.Asn1P11ObjectIdentifiers Maven / Gradle / Ivy

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/*
 *
 * Copyright (c) 2013 - 2017 Lijun Liao
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.xipki.security.pkcs11.proxy.msg;

import java.io.IOException;
import java.util.LinkedList;
import java.util.List;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERSequence;
import org.xipki.common.util.ParamUtil;
import org.xipki.security.exception.BadAsn1ObjectException;

/**
 *
 *  * P11ObjectIdentifiers ::= SEQUENCE OF P11ObjectIdentifier
 * 
 *
 * @author Lijun Liao
 * @since 2.0.0
 */

public class Asn1P11ObjectIdentifiers extends ASN1Object {

    private final List objectIds;

    public Asn1P11ObjectIdentifiers(final List objectIds) {
        this.objectIds = ParamUtil.requireNonNull("objectIds", objectIds);
    }

    private Asn1P11ObjectIdentifiers(final ASN1Sequence seq) throws BadAsn1ObjectException {
        this.objectIds = new LinkedList<>();
        final int size = seq.size();
        for (int i = 0; i < size; i++) {
            objectIds.add(Asn1P11ObjectIdentifier.getInstance(seq.getObjectAt(i)));
        }
    }

    public static Asn1P11ObjectIdentifiers getInstance(final Object obj)
            throws BadAsn1ObjectException {
        if (obj == null || obj instanceof Asn1P11ObjectIdentifiers) {
            return (Asn1P11ObjectIdentifiers) obj;
        }

        try {
            if (obj instanceof ASN1Sequence) {
                return new Asn1P11ObjectIdentifiers((ASN1Sequence) obj);
            } else if (obj instanceof byte[]) {
                return getInstance(ASN1Primitive.fromByteArray((byte[]) obj));
            } else {
                throw new BadAsn1ObjectException("unknown object: " + obj.getClass().getName());
            }
        } catch (IOException | IllegalArgumentException ex) {
            throw new BadAsn1ObjectException("unable to parse encoded object: " + ex.getMessage(),
                    ex);
        }
    }

    @Override
    public ASN1Primitive toASN1Primitive() {
        ASN1EncodableVector vec = new ASN1EncodableVector();
        for (Asn1P11ObjectIdentifier objectId : objectIds) {
            vec.add(objectId);
        }
        return new DERSequence(vec);
    }

    public List objectIds() {
        return objectIds;
    }

}