JavaSha1ChecksumGenerator (java-spdx-library 2.0.2-SNAPSHOT API)

java.lang.Object
- org.spdx.utility.verificationcode.JavaSha1ChecksumGenerator

All Implemented Interfaces:

IFileChecksumGenerator
```
public class JavaSha1ChecksumGenerator
extends Object
implements IFileChecksumGenerator
```
Java SHA1 checksum generator using MessageDigest

Author:

Gary O'Neall

- Constructor Summary
  
  Constructors
  Constructor Description
  
  JavaSha1ChecksumGenerator()
  Create a SHA1 based checksum generator
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  String getFileChecksum(File file)
  Generate a checksum for the file using SHA1
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - JavaSha1ChecksumGenerator
```
public JavaSha1ChecksumGenerator()
                          throws NoSuchAlgorithmException
```
    Create a SHA1 based checksum generator
    
    Throws:
    
    NoSuchAlgorithmException - if the SHA1 algorithm does not exist
- Method Detail
  - getFileChecksum
```
public String getFileChecksum(File file)
                       throws IOException
```
    Generate a checksum for the file using SHA1
    
    Specified by:
    
    getFileChecksum in interface IFileChecksumGenerator
    
    Parameters:
    
    file - File to generate the checksum for
    
    Returns:
    
    file checksum
    
    Throws:
    
    IOException - on IO errors