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package org.testifyproject.bouncycastle.asn1.dvcs;

import java.math.BigInteger;

import org.testifyproject.bouncycastle.asn1.ASN1Encodable;
import org.testifyproject.bouncycastle.asn1.ASN1EncodableVector;
import org.testifyproject.bouncycastle.asn1.ASN1Integer;
import org.testifyproject.bouncycastle.asn1.DERSequence;
import org.testifyproject.bouncycastle.asn1.DERTaggedObject;
import org.testifyproject.bouncycastle.asn1.x509.Extensions;
import org.testifyproject.bouncycastle.asn1.x509.GeneralName;
import org.testifyproject.bouncycastle.asn1.x509.GeneralNames;
import org.testifyproject.bouncycastle.asn1.x509.PolicyInformation;
import org.testifyproject.bouncycastle.util.BigIntegers;

/**
 * 
 *     DVCSRequestInformation ::= SEQUENCE  {
 *         version                      INTEGER DEFAULT 1 ,
 *         service                      ServiceType,
 *         nonce                        Nonce OPTIONAL,
 *         requestTime                  DVCSTime OPTIONAL,
 *         requester                    [0] GeneralNames OPTIONAL,
 *         requestPolicy                [1] PolicyInformation OPTIONAL,
 *         dvcs                         [2] GeneralNames OPTIONAL,
 *         dataLocations                [3] GeneralNames OPTIONAL,
 *         extensions                   [4] IMPLICIT Extensions OPTIONAL
 *     }
 * 
*/ public class DVCSRequestInformationBuilder { private int version = DEFAULT_VERSION; private final ServiceType service; private DVCSRequestInformation initialInfo; private BigInteger nonce; private DVCSTime requestTime; private GeneralNames requester; private PolicyInformation requestPolicy; private GeneralNames dvcs; private GeneralNames dataLocations; private Extensions extensions; private static final int DEFAULT_VERSION = 1; private static final int TAG_REQUESTER = 0; private static final int TAG_REQUEST_POLICY = 1; private static final int TAG_DVCS = 2; private static final int TAG_DATA_LOCATIONS = 3; private static final int TAG_EXTENSIONS = 4; public DVCSRequestInformationBuilder(ServiceType service) { this.service = service; } public DVCSRequestInformationBuilder(DVCSRequestInformation initialInfo) { this.initialInfo = initialInfo; this.service = initialInfo.getService(); this.version = initialInfo.getVersion(); this.nonce = initialInfo.getNonce(); this.requestTime = initialInfo.getRequestTime(); this.requestPolicy = initialInfo.getRequestPolicy(); this.dvcs = initialInfo.getDVCS(); this.dataLocations = initialInfo.getDataLocations(); } public DVCSRequestInformation build() { ASN1EncodableVector v = new ASN1EncodableVector(); if (version != DEFAULT_VERSION) { v.add(new ASN1Integer(version)); } v.add(service); if (nonce != null) { v.add(new ASN1Integer(nonce)); } if (requestTime != null) { v.add(requestTime); } int[] tags = new int[]{ TAG_REQUESTER, TAG_REQUEST_POLICY, TAG_DVCS, TAG_DATA_LOCATIONS, TAG_EXTENSIONS }; ASN1Encodable[] taggedObjects = new ASN1Encodable[]{ requester, requestPolicy, dvcs, dataLocations, extensions }; for (int i = 0; i < tags.length; i++) { int tag = tags[i]; ASN1Encodable taggedObject = taggedObjects[i]; if (taggedObject != null) { v.add(new DERTaggedObject(false, tag, taggedObject)); } } return DVCSRequestInformation.getInstance(new DERSequence(v)); } public void setVersion(int version) { if (initialInfo != null) { throw new IllegalStateException("cannot change version in existing DVCSRequestInformation"); } this.version = version; } public void setNonce(BigInteger nonce) { // RFC 3029, 9.1: The DVCS MAY modify the fields // 'dvcs', 'requester', 'dataLocations', and 'nonce' of the ReqInfo structure // RFC 3029, 9.1: The only modification // allowed to a 'nonce' is the inclusion of a new field if it was not // present, or to concatenate other data to the end (right) of an // existing value. if (initialInfo != null) { if (initialInfo.getNonce() == null) { this.nonce = nonce; } else { byte[] initialBytes = initialInfo.getNonce().toByteArray(); byte[] newBytes = BigIntegers.asUnsignedByteArray(nonce); byte[] nonceBytes = new byte[initialBytes.length + newBytes.length]; System.arraycopy(initialBytes, 0, nonceBytes, 0, initialBytes.length); System.arraycopy(newBytes, 0, nonceBytes, initialBytes.length, newBytes.length); this.nonce = new BigInteger(nonceBytes); } } this.nonce = nonce; } public void setRequestTime(DVCSTime requestTime) { if (initialInfo != null) { throw new IllegalStateException("cannot change request time in existing DVCSRequestInformation"); } this.requestTime = requestTime; } public void setRequester(GeneralName requester) { this.setRequester(new GeneralNames(requester)); } public void setRequester(GeneralNames requester) { // RFC 3029, 9.1: The DVCS MAY modify the fields // 'dvcs', 'requester', 'dataLocations', and 'nonce' of the ReqInfo structure this.requester = requester; } public void setRequestPolicy(PolicyInformation requestPolicy) { if (initialInfo != null) { throw new IllegalStateException("cannot change request policy in existing DVCSRequestInformation"); } this.requestPolicy = requestPolicy; } public void setDVCS(GeneralName dvcs) { this.setDVCS(new GeneralNames(dvcs)); } public void setDVCS(GeneralNames dvcs) { // RFC 3029, 9.1: The DVCS MAY modify the fields // 'dvcs', 'requester', 'dataLocations', and 'nonce' of the ReqInfo structure this.dvcs = dvcs; } public void setDataLocations(GeneralName dataLocation) { this.setDataLocations(new GeneralNames(dataLocation)); } public void setDataLocations(GeneralNames dataLocations) { // RFC 3029, 9.1: The DVCS MAY modify the fields // 'dvcs', 'requester', 'dataLocations', and 'nonce' of the ReqInfo structure this.dataLocations = dataLocations; } public void setExtensions(Extensions extensions) { if (initialInfo != null) { throw new IllegalStateException("cannot change extensions in existing DVCSRequestInformation"); } this.extensions = extensions; } }




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