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package org.uic.barcode;
import java.io.IOException;
import java.security.PrivateKey;
import java.security.PublicKey;
import org.uic.barcode.asn1.datatypesimpl.OctetString;
import org.uic.barcode.dynamicFrame.Constants;
import org.uic.barcode.dynamicFrame.DataType;
import org.uic.barcode.dynamicFrame.DynamicFrame;
import org.uic.barcode.dynamicFrame.Level1DataType;
import org.uic.barcode.dynamicFrame.Level2DataType;
import org.uic.barcode.dynamicFrame.SequenceOfDataType;
import org.uic.barcode.staticFrame.StaticFrame;
import org.uic.barcode.staticFrame.UFLEXDataRecord;
import org.uic.barcode.staticFrame.UHEADDataRecord;
import org.uic.barcode.staticFrame.UTLAYDataRecord;
import org.uic.barcode.staticFrame.ticketLayoutBarcode.TicketLayout;
import org.uic.barcode.ticket.EncodingFormatException;
import org.uic.barcode.ticket.UicRailTicketCoder;
import org.uic.barcode.ticket.api.spec.IUicRailTicket;
/**
* The Class Encoder.
*
* signing and encoding of UIC bar codes
*
*
*/
public class Encoder {
/** The dynamic frame. */
private DynamicFrame dynamicFrame = null;
/** The static frame. */
private StaticFrame staticFrame = null;
/** The UIC bar code type classic. */
public static String UIC_BARCODE_TYPE_CLASSIC = "UIC_CLASSIC";
/** The UIC bar code type DOSIPAS. */
public static String UIC_BARCODE_TYPE_DOSIPAS = "UIC_DOSIPAS";
/**
* Instantiates a new encoder.
*
* @param ticket the ticket
* @param layout the layout
* @param barcodeType the bar code type
* @param version the version of the bar code
* @param fcbVersion the fcb version
* @throws IOException Signals that an I/O exception has occurred.
* @throws EncodingFormatException the encoding format exception
*/
public Encoder(IUicRailTicket ticket, TicketLayout layout, String barcodeType, int version, int fcbVersion) throws IOException, EncodingFormatException {
if (barcodeType == UIC_BARCODE_TYPE_CLASSIC) {
staticFrame = new StaticFrame();
staticFrame.setVersion(version);
if (layout != null) {
UHEADDataRecord head = new UHEADDataRecord();
head.setVersionId("01");
staticFrame.setHeaderRecord(head);
UTLAYDataRecord tlay = new UTLAYDataRecord();
tlay.setLayout(layout);
tlay.setVersionId("01");
staticFrame.setuTlay(tlay);
}
if (ticket != null) {
UFLEXDataRecord flex = new UFLEXDataRecord();
flex.setTicket(ticket);
flex.setVersionId(String.format("%02d",fcbVersion));
staticFrame.setuFlex(flex);
}
} else if (barcodeType == UIC_BARCODE_TYPE_DOSIPAS) {
dynamicFrame = new DynamicFrame();
dynamicFrame.setLevel2SignedData(new Level2DataType());
dynamicFrame.getLevel2SignedData().setLevel1Data(new Level1DataType());
dynamicFrame.getLevel2SignedData().getLevel1Data().setData(new SequenceOfDataType());
if (ticket != null) {
if (version == 1) {
dynamicFrame.setFormat("U1");
}
DataType ticketData = new DataType();
UicRailTicketCoder uicTicketCoder = new UicRailTicketCoder();
ticketData.setFormat(Constants.DATA_TYPE_FCB_VERSION_1);
ticketData.setData(new OctetString(uicTicketCoder.encode(ticket, fcbVersion)));
dynamicFrame.getLevel2SignedData().getLevel1Data().getData().add(ticketData);
}
}
}
/**
* Signing level 2 of a dynamic bar code
*
* @param key the key
* @throws Exception the exception
*/
public void signLevel2(PrivateKey key) throws Exception {
if (dynamicFrame != null) {
dynamicFrame.signLevel2(key);
}
}
/**
* Sets the level 1 algorithm Is.
*
* @param level1SigningAlg the level 1 signing algorithm (OID)
* @param level1KeyAlg the level 1 key algorithm (OID)
*/
public void setLevel1Algs(String level1SigningAlg, String level1KeyAlg) {
if (dynamicFrame != null) {
dynamicFrame.getLevel2SignedData().getLevel1Data().setLevel1SigningAlg(level1SigningAlg);
dynamicFrame.getLevel2SignedData().getLevel1Data().setLevel1KeyAlg(level1KeyAlg);
}
}
/**
* Sets the level 2 algorithm Is.
*
* @param level2SigningAlg the level 2 signing algorithm (OID)
* @param level2KeyAlg the level 2 key algorithm (OID)
* @param publicKey the public key of the level 2 signature
*/
public void setLevel2Algs(String level2SigningAlg, String level2KeyAlg, PublicKey publicKey) {
if (dynamicFrame != null) {
if (dynamicFrame.getLevel2SignedData() == null) {
dynamicFrame.setLevel2SignedData(new Level2DataType());
}
if (dynamicFrame.getLevel2SignedData().getLevel1Data() == null) {
dynamicFrame.getLevel2SignedData().setLevel1Data(new Level1DataType());
}
dynamicFrame.getLevel2SignedData().getLevel1Data().setLevel2SigningAlg(level2SigningAlg);
dynamicFrame.getLevel2SignedData().getLevel1Data().setLevel2KeyAlg(level2KeyAlg);
if (publicKey != null) {
dynamicFrame.getLevel2SignedData().getLevel1Data().setLevel2publicKey(new OctetString(publicKey.getEncoded()));
}
}
}
public void setLevel2Data(DataType level2data) {
if (dynamicFrame != null) {
if (dynamicFrame.getLevel2SignedData() == null) {
dynamicFrame.setLevel2SignedData(new Level2DataType());
}
dynamicFrame.getLevel2SignedData().setLevel2Data(level2data);
}
}
public DataType getLevel2Data() {
if (dynamicFrame != null && dynamicFrame.getLevel2SignedData() != null) {
return dynamicFrame.getLevel2SignedData().getLevel2Data();
}
return null;
}
/**
* Sign level 1 of a dynamic bar code or a static bar code.
*
* @param securityProvider the security provider
* @param key the key
* @param signingAlg the signing algorithm (OID)
* @param keyId the key id
* @throws Exception the exception
*/
public void signLevel1(String securityProvider,PrivateKey key,String signingAlg, String keyId) throws Exception {
if (dynamicFrame != null) {
dynamicFrame.getLevel2SignedData().getLevel1Data().setSecurityProvider(securityProvider);
dynamicFrame.getLevel2SignedData().getLevel1Data().setLevel1SigningAlg(signingAlg);
dynamicFrame.getLevel2SignedData().getLevel1Data().setKeyId(Long.parseLong(keyId));
dynamicFrame.getLevel2SignedData().signLevel1(key);
} else if (staticFrame != null) {
staticFrame.setSignatureKey(keyId);
staticFrame.setSecurityProvider(securityProvider);
if (staticFrame.getHeaderRecord()!= null && staticFrame.getHeaderRecord().getIssuer() == null) {
staticFrame.getHeaderRecord().setIssuer(securityProvider);
}
staticFrame.signByAlgorithmOID(key,signingAlg);
}
}
/**
* Sets the static header parameter.
*
* @param ticketId the ticket id
* @param language the language
*/
public void setStaticHeaderParams(String ticketId,String language) {
if (staticFrame != null && staticFrame.getHeaderRecord()!= null) {
staticFrame.getHeaderRecord().setIdentifier(ticketId);
staticFrame.getHeaderRecord().setLanguage(language);
}
}
/**
* Gets the dynamic frame.
*
* @return the dynamic frame
*/
public DynamicFrame getDynamicFrame() {
return dynamicFrame;
}
/**
* Gets the static frame.
*
* @return the static frame
*/
public StaticFrame getStaticFrame() {
return staticFrame;
}
/**
* Encodes the signed bar code data
*
* @return the byte[]
* @throws IOException Signals that an I/O exception has occurred.
* @throws Exception the exception
*/
public byte[] encode() throws IOException, Exception {
if (dynamicFrame != null) {
return dynamicFrame.encode();
} else if (staticFrame != null) {
return staticFrame.encode();
}
return null;
}
}
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