From 9ff0dde49e818348df5ba9c7bca91d165227234b Mon Sep 17 00:00:00 2001
From: CGantert345 <57003061+CGantert345@users.noreply.github.com>
Date: Tue, 1 Feb 2022 14:16:00 +0100
Subject: - smplified api for level 2 signature

---
 src/main/java/org/uic/barcode/Encoder.java | 52 ++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

(limited to 'src/main/java/org/uic/barcode')

diff --git a/src/main/java/org/uic/barcode/Encoder.java b/src/main/java/org/uic/barcode/Encoder.java
index 51e86a2..9afddce 100644
--- a/src/main/java/org/uic/barcode/Encoder.java
+++ b/src/main/java/org/uic/barcode/Encoder.java
@@ -4,6 +4,7 @@ import java.io.IOException;
 import java.security.PrivateKey;
 import java.security.Provider;
 import java.security.PublicKey;
+import java.util.zip.DataFormatException;
 
 import org.uic.barcode.dynamicContent.api.IUicDynamicContent;
 import org.uic.barcode.dynamicContent.fdc1.UicDynamicContentDataFDC1;
@@ -163,6 +164,57 @@ public class Encoder {
 	}
 	
 	
+	/**
+	 * Instantiates a new encoder for a level 2 encoding with tan encoded dynamic frame containing the level 1 data and signature.
+	 *
+	 * @param level1Data the level 1 data (binary as signed)
+	 * @param signatureLevel1 the signature of the level 1 data 
+	 * @param version the version of the bar code 
+	 * @throws IOException Signals that an I/O exception has occurred.
+	 * @throws EncodingFormatException the encoding format exception
+	 * @throws DataFormatException 
+	 */
+	public Encoder(byte[] encoded, int version) throws IOException, EncodingFormatException, DataFormatException {
+		
+		Decoder decoder = new Decoder(encoded);
+		
+		if (decoder.getDynamicFrame() == null) {
+			throw new EncodingFormatException("No dynamic frame included");
+		}
+		
+			
+		dynamicFrame = decoder.getDynamicFrame();
+		byte[] level1DataBin = decoder.getEncodedLevel1Data();
+		byte[] signatureLevel1 = decoder.getLevel1Signature();
+			
+		if (version == 1) {
+			
+			dynamicFrame.setFormat(Constants.DYNAMIC_BARCODE_FORMAT_VERSION_1);
+			
+			ILevel1Data l1 = DynamicFrameCoderV1.decodeLevel1(level1DataBin);
+			
+			dynamicFrame.getLevel2Data().setLevel1Data(l1);
+			
+			dynamicFrame.getLevel2Data().setLevel1Signature(signatureLevel1);
+			
+		} else if (version == 2) {
+			
+			dynamicFrame.setFormat(Constants.DYNAMIC_BARCODE_FORMAT_VERSION_2);
+			
+			ILevel1Data l1 = DynamicFrameCoderV2.decodeLevel1(level1DataBin);
+			
+			dynamicFrame.getLevel2Data().setLevel1Data(l1);
+			
+			dynamicFrame.getLevel2Data().setLevel1Signature(signatureLevel1);
+			
+		} else {
+			throw new EncodingFormatException("Version of the dynamic header not supported");
+		}
+		
+				
+	}
+	
+	
 	
 	/**
 	 * Signing level 2 of a dynamic bar code
-- 
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