com.sun.xml.ws.api.policy.ModelTranslator Maven / Gradle / Ivy
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package com.sun.xml.ws.api.policy;
import com.sun.xml.ws.config.management.policy.ManagementAssertionCreator;
import com.sun.xml.ws.policy.PolicyException;
import com.sun.xml.ws.policy.privateutil.PolicyLogger;
import com.sun.xml.ws.policy.sourcemodel.PolicyModelTranslator;
import com.sun.xml.ws.policy.spi.PolicyAssertionCreator;
import com.sun.xml.ws.resources.ManagementMessages;
import java.util.Arrays;
/**
* This class provides a method for translating a PolicySourceModel structure to a
* normalized Policy expression. The resulting Policy is disconnected from its model,
* thus any additional changes in the model will have no effect on the Policy expression.
*
* @author Fabian Ritzmann
*/
public class ModelTranslator extends PolicyModelTranslator {
private static final PolicyLogger LOGGER = PolicyLogger.getLogger(ModelTranslator.class);
private static final PolicyAssertionCreator[] JAXWS_ASSERTION_CREATORS = {
new ManagementAssertionCreator()
};
private static final ModelTranslator translator;
private static final PolicyException creationException;
static {
ModelTranslator tempTranslator = null;
PolicyException tempException = null;
try {
tempTranslator = new ModelTranslator();
} catch (PolicyException e) {
tempException = e;
LOGGER.warning(ManagementMessages.WSM_1007_FAILED_MODEL_TRANSLATOR_INSTANTIATION(), e);
} finally {
translator = tempTranslator;
creationException = tempException;
}
}
private ModelTranslator() throws PolicyException {
super(Arrays.asList(JAXWS_ASSERTION_CREATORS));
}
/**
* Method returns thread-safe policy model translator instance.
*
* @return A policy model translator instance.
* @throws PolicyException If instantiating a PolicyAssertionCreator failed.
*/
public static ModelTranslator getTranslator() throws PolicyException {
if (creationException != null) {
throw LOGGER.logSevereException(creationException);
}
else {
return translator;
}
}
}