org.demoiselle.signer.policy.engine.asn1.ASN1Object Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of policy-engine Show documentation
Demoiselle Signer Component to provides a engine for ICP-BRASIL signature policies.
There is a newer version: 4.3.0
/*
 * Demoiselle Framework
 * Copyright (C) 2016 SERPRO
 * ----------------------------------------------------------------------------
 * This file is part of Demoiselle Framework.
 * 
 * Demoiselle Framework is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License version 3
 * along with this program; if not,  see 
 * or write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA  02110-1301, USA.
 * ----------------------------------------------------------------------------
 * Este arquivo é parte do Framework Demoiselle.
 * 
 * O Framework Demoiselle é um software livre; você pode redistribuí-lo e/ou
 * modificá-lo dentro dos termos da GNU LGPL versão 3 como publicada pela Fundação
 * do Software Livre (FSF).
 * 
 * Este programa é distribuído na esperança que possa ser útil, mas SEM NENHUMA
 * GARANTIA; sem uma garantia implícita de ADEQUAÇÃO a qualquer MERCADO ou
 * APLICAÇÃO EM PARTICULAR. Veja a Licença Pública Geral GNU/LGPL em português
 * para maiores detalhes.
 * 
 * Você deve ter recebido uma cópia da GNU LGPL versão 3, sob o título
 * "LICENCA.txt", junto com esse programa. Se não, acesse 
 * ou escreva para a Fundação do Software Livre (FSF) Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA.
 */
package org.demoiselle.signer.policy.engine.asn1;

import org.bouncycastle.asn1.ASN1Enumerated;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.DLSequence;
import org.demoiselle.signer.policy.engine.util.MessagesBundle;


/**
 * 
 * Abstract class for provide methods to get org.bouncycastle.asn1.DERSequence 
 * and  org.bouncycastle.asn1.ASN1Enumerated from org.bouncycastle.asn1.ASN1Primitive 
 *
 */
public abstract class ASN1Object {
	
	private static MessagesBundle policyMessagesBundle = new MessagesBundle("messages_policy");

	/**
	 * 
	 * @param derObject Object to convert
	 * @return org.bouncycastle.asn1.DERSequence Converted sequence or null, if not possible
	 * @see org.bouncycastle.asn1.ASN1Primitive ASN1 primitive
	 */
    public static ASN1Sequence getDERSequence(ASN1Primitive derObject) {
        ASN1Sequence sequence = null;
        if (derObject instanceof DERTaggedObject) {
            ASN1Primitive object = ((DERTaggedObject) derObject).getObject();
            if (object instanceof DERSequence) {
                sequence = (DERSequence) object;
            }
        } else if (derObject instanceof DERSequence) {
            sequence = (DERSequence) derObject;
        } else if (derObject instanceof DLSequence) {

            sequence = (DLSequence) derObject.toASN1Primitive();
        }
        return sequence;
    }

    /**
     * 
     * @param derObject Primitive object to convert to Enumerated
     * @return org.bouncycastle.asn1.ASN1Enumerated ASN1 Enumerated, or null if not possible to convert
	 * @see org.bouncycastle.asn1.ASN1Primitive
     */
    public static ASN1Enumerated getDEREnumerated(ASN1Primitive derObject) {
        ASN1Enumerated derEnumerated = null;
        if (derObject instanceof DERTaggedObject) {
            ASN1Primitive object = ((DERTaggedObject) derObject).getObject();
            if (object instanceof ASN1Enumerated) {
                derEnumerated = (ASN1Enumerated) object;
            }
        } else if (derObject instanceof ASN1Enumerated) {
            derEnumerated = (ASN1Enumerated) derObject;
        }
        return derEnumerated;
    }

    /**
     * 
     * @param derObject ASN1 Primitive to parse
     */
    public void parse(ASN1Primitive derObject) {
        System.out.println(this.getClass() + policyMessagesBundle.getString("info.not.implemented"));
    }
}