Package org.opensaml.xmlsec.signature.support

Class SignatureValidator

java.lang.Object

org.opensaml.xmlsec.signature.support.SignatureValidator

public final class SignatureValidator
extends Object

A service class that cryptographically validates an XML Signature Signature using a candidate validation Credential.

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.slf4j.Logger	LOG	Logger.
private static SignatureValidationProvider	validatorInstance	The cached signature validation provider instance to use.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SignatureValidator()	Constructor.

Method Summary

Modifier and Type	Method	Description
private static SignatureValidationProvider	getSignatureValidationProvider()	Obtain the SignatureValidationProvider instance to be used.
static void	validate(Signature signature, Credential validationCredential)	Validate the given XML Signature using the given candidate validation Credential.

Methods inherited from class java.lang.Object

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

Field Details

LOG

@Nonnull
private static final org.slf4j.Logger LOG

Logger.

validatorInstance

@Nullable
private static SignatureValidationProvider validatorInstance

The cached signature validation provider instance to use.

Constructor Details

SignatureValidator

protected SignatureValidator()

Constructor.

Method Details

validate

public static void validate(@Nonnull
 Signature signature,
 @Nonnull
 Credential validationCredential)
                     throws SignatureException

Validate the given XML Signature using the given candidate validation Credential.

Parameters:

signature - the XMLSignature to validate

validationCredential - the candidate validation Credential

Throws:

SignatureException - if the signature does not validate using the candiate Credential, or if there is otherwise an error during the validation operation

getSignatureValidationProvider

@Nonnull
private static SignatureValidationProvider getSignatureValidationProvider()
                                                                   throws SignatureException

Obtain the SignatureValidationProvider instance to be used.

Returns:

the SignatureValidationProvider

Throws:

SignatureException - if a SignatureValidationProvider could not be loaded