Add Javadoc to org.spdx.utility.verificationcode

Signed-off-by: Arthit Suriyawongkul <arthit@gmail.com>

Author: bact

src/main/java/org/spdx/utility/verificationcode/IFileChecksumGenerator.java

@@ -27,6 +27,8 @@
  */
 public interface IFileChecksumGenerator {
 	/**
+	 * Generate a checksum for the file
+	 *
 	 * @param file File to generate the checksum for
 	 * @return the checksum for the file
 	 * @throws IOException on errors reading the file

src/main/java/org/spdx/utility/verificationcode/JavaSha1ChecksumGenerator.java

@@ -24,7 +24,7 @@
 import java.security.NoSuchAlgorithmException;
 
 /**
- * Java sha1 checksum generator using MessageDigest
+ * Java SHA1 checksum generator using MessageDigest
  *
  * @author Gary O'Neall
  */
@@ -35,13 +35,15 @@ public class JavaSha1ChecksumGenerator implements IFileChecksumGenerator {
 
 	/**
 	 * Create a SHA1 based checksum generator
+	 *
 	 * @throws NoSuchAlgorithmException if the SHA1 algorithm does not exist
 	 */
 	public JavaSha1ChecksumGenerator() throws NoSuchAlgorithmException {
 		this.digest = MessageDigest.getInstance(SHA1_ALGORITHM);
 	}
 
 	/**
+	 * Generate a checksum for the file using SHA1
 	 *
 	 * @param file File to generate the checksum for
 	 * @return file checksum

src/main/java/org/spdx/utility/verificationcode/VerificationCodeGenerator.java

@@ -123,6 +123,8 @@ public SpdxPackageVerificationCode generatePackageVerificationCode(File sourceDi
 	}
 
 	/**
+	 * Generate the SPDX Package Verification Code from a list of file checksums
+	 *
 	 * @param fileChecksums used to create the verification code value
 	 * @param skippedFilePaths list of files skipped when calculating the verification code
 	 * @param modelStore where the resultant VerificationCode is store
@@ -150,8 +152,9 @@ protected SpdxPackageVerificationCode generatePackageVerificationCode(List<Strin
 
 	/**
 	 * Collect the file level checksums and filenames
+	 *
 	 * @param prefixForRelative The portion of the filepath which precedes the relative file path for the archive
-	 * @param sourceDirectory directory to collectd the file data from
+	 * @param sourceDirectory directory to collect the file data from
 	 * @param fileNameAndChecksums resultant list of file names and checksums - added to in this method
 	 * @param skippedFiles files to be ignored in the package verification result
 	 * @throws IOException on IO error reading the directory of file
@@ -229,7 +232,10 @@ private static String convertChecksumToString(byte[] digest) {
         }
 		return sb.toString();
 	}
+
 	/**
+	 * Generate the SPDX Package Verification Code from a directory of files included in the archive
+	 *
 	 * @param sourceDirectory directory to create the verification code for
 	 * @param modelStore where the resultant VerificationCode is store
 	 * @param documentUri document URI where the VerificationCode is stored