com.saxonica.config

Class Verifier

java.lang.Object

com.saxonica.config.Verifier

Direct Known Subclasses:

JavaVerifier

public abstract class Verifier
extends java.lang.Object

A helper class for EnterpriseConfiguration that handles license keys as issued for the Java platform.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	Verifier.License

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.lang.String	LICENSE_FILE_NAME
protected int	status

Method Summary

Modifier and Type	Method and Description
protected java.io.InputStream	connectToURI(java.lang.String uri)
protected static byte[]	convertHexToBinary(java.lang.String hex) Convert a Hex String into the corresponding byte array by encoding each two hexadecimal digits as a byte.
java.lang.String	getFeature(java.lang.String name, Configuration config)
protected Verifier.License	getPrimaryLicense()
protected abstract void	loadLicense(Configuration config) Locate the license file, read it, and verify it
static void	main(java.lang.String[] args) Test program to verify that a license contained in a specific file is valid
protected Verifier.License	readLicenseFile(java.io.InputStream is)
protected void	setPrimaryLicense(Verifier.License license)
protected abstract boolean	verify(java.lang.String data, java.lang.String signature) This method validates license data based on the signature and the public key.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

status

protected int status

LICENSE_FILE_NAME

protected static final java.lang.String LICENSE_FILE_NAME

See Also:

Constant Field Values

Method Detail

setPrimaryLicense

protected void setPrimaryLicense(Verifier.License license)

getPrimaryLicense

protected Verifier.License getPrimaryLicense()

getFeature

public java.lang.String getFeature(java.lang.String name,
                                   Configuration config)

loadLicense

protected abstract void loadLicense(Configuration config)

Locate the license file, read it, and verify it

Parameters:

config - the Saxon configuration

Throws:

LicenseException - if, for example, a license is found and is invalid

connectToURI

protected java.io.InputStream connectToURI(java.lang.String uri)
                                    throws java.io.IOException

Throws:

java.io.IOException

readLicenseFile

protected Verifier.License readLicenseFile(java.io.InputStream is)

convertHexToBinary

protected static byte[] convertHexToBinary(java.lang.String hex)

Convert a Hex String into the corresponding byte array by encoding each two hexadecimal digits as a byte.

Parameters:

hex - Hexadecimal digits representation

Returns:

byte Byte array

verify

protected abstract boolean verify(java.lang.String data,
                                  java.lang.String signature)
                           throws LicenseException

This method validates license data based on the signature and the public key.

Parameters:

data - the license data.

signature - the digital signature

Returns:

a boolean whether or the license is valid.

Throws:

LicenseException - if a failure occurs in the verification process

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Test program to verify that a license contained in a specific file is valid

Parameters:

args - Command line arguments. First argument is the filename of the license file to be tested.

Throws:

java.lang.Exception - if any failure occurs