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This module contains the Metro runtime code.
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package com.sun.xml.ws.policy;
import com.sun.xml.ws.policy.privateutil.PolicyLogger;
import com.sun.xml.ws.policy.privateutil.PolicyUtils;
import com.sun.xml.ws.policy.spi.PolicyAssertionValidator;
import static com.sun.xml.ws.policy.privateutil.LocalizationMessages.WSP_0076_NO_SERVICE_PROVIDERS_FOUND;
import java.util.Collection;
import java.util.LinkedList;
/**
* Provides methods for assertion validation.
*
* @author Marek Potociar (marek.potociar at sun.com)
* @author Fabian Ritzmann
*/
public class AssertionValidationProcessor {
private static final PolicyLogger LOGGER = PolicyLogger.getLogger(AssertionValidationProcessor.class);
private final Collection validators = new LinkedList();
/**
* This constructor instantiates the object with a set of dynamically
* discovered PolicyAssertionValidators.
*
* @throws PolicyException Thrown if the set of dynamically discovered
* PolicyAssertionValidators is empty.
*/
private AssertionValidationProcessor() throws PolicyException {
this(null);
}
/**
* This constructor adds the given set of policy validators to the dynamically
* discovered PolicyAssertionValidators.
*
* This constructor is intended to be used by the JAX-WS com.sun.xml.ws.policy.api.ValidationProcessor.
*
* @param policyValidators A set of PolicyAssertionValidators. May be null
* @throws PolicyException Thrown if the set of given PolicyAssertionValidators
* and dynamically discovered PolicyAssertionValidators is empty.
*/
protected AssertionValidationProcessor(final Collection policyValidators)
throws PolicyException {
for(PolicyAssertionValidator validator : PolicyUtils.ServiceProvider.load(PolicyAssertionValidator.class)) {
validators.add(validator);
}
if (policyValidators != null) {
for (PolicyAssertionValidator validator : policyValidators) {
validators.add(validator);
}
}
if (validators.size() == 0) {
throw LOGGER.logSevereException(new PolicyException(WSP_0076_NO_SERVICE_PROVIDERS_FOUND(PolicyAssertionValidator.class.getName())));
}
}
/**
* Factory method that returns singleton instance of the class.
*
* This method is only intended to be used by code that has no dependencies on
* JAX-WS. Otherwise use com.sun.xml.ws.api.policy.ValidationProcessor.
*
* @return singleton An instance of the class.
* @throws PolicyException If instantiation failed.
*/
public static AssertionValidationProcessor getInstance() throws PolicyException {
return new AssertionValidationProcessor();
}
/**
* Validates fitness of the {@code assertion} on the client side.
*
* return client side {@code assertion} fitness
* @param assertion The assertion to be validated.
* @return The fitness of the assertion on the client side.
* @throws PolicyException If validation failed.
*/
public PolicyAssertionValidator.Fitness validateClientSide(final PolicyAssertion assertion) throws PolicyException {
PolicyAssertionValidator.Fitness assertionFitness = PolicyAssertionValidator.Fitness.UNKNOWN;
for ( PolicyAssertionValidator validator : validators ) {
assertionFitness = assertionFitness.combine(validator.validateClientSide(assertion));
if (assertionFitness == PolicyAssertionValidator.Fitness.SUPPORTED) {
break;
}
}
return assertionFitness;
}
/**
* Validates fitness of the {@code assertion} on the server side.
*
* return server side {@code assertion} fitness
* @param assertion The assertion to be validated.
* @return The fitness of the assertion on the server side.
* @throws PolicyException If validation failed.
*/
public PolicyAssertionValidator.Fitness validateServerSide(final PolicyAssertion assertion) throws PolicyException {
PolicyAssertionValidator.Fitness assertionFitness = PolicyAssertionValidator.Fitness.UNKNOWN;
for (PolicyAssertionValidator validator : validators) {
assertionFitness = assertionFitness.combine(validator.validateServerSide(assertion));
if (assertionFitness == PolicyAssertionValidator.Fitness.SUPPORTED) {
break;
}
}
return assertionFitness;
}
}