LoggingConstraintValidationHandler.java
/*
* SPDX-FileCopyrightText: none
* SPDX-License-Identifier: CC0-1.0
*/
package gov.nist.secauto.metaschema.core.model.constraint;
import gov.nist.secauto.metaschema.core.datatype.IDataTypeAdapter;
import gov.nist.secauto.metaschema.core.metapath.DynamicContext;
import gov.nist.secauto.metaschema.core.metapath.ISequence;
import gov.nist.secauto.metaschema.core.metapath.MetapathException;
import gov.nist.secauto.metaschema.core.metapath.item.node.INodeItem;
import gov.nist.secauto.metaschema.core.model.constraint.IConstraint.Level;
import gov.nist.secauto.metaschema.core.util.ObjectUtils;
import org.apache.logging.log4j.LogBuilder;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.Comparator;
import java.util.List;
import java.util.regex.Pattern;
import edu.umd.cs.findbugs.annotations.NonNull;
import edu.umd.cs.findbugs.annotations.Nullable;
public class LoggingConstraintValidationHandler
extends AbstractConstraintValidationHandler {
private static final Logger LOGGER = LogManager.getLogger(DefaultConstraintValidator.class);
private static LogBuilder getLogBuilder(@NonNull Level level) {
LogBuilder retval;
switch (level) {
case CRITICAL:
retval = LOGGER.atFatal();
break;
case ERROR:
retval = LOGGER.atError();
break;
case WARNING:
retval = LOGGER.atWarn();
break;
case INFORMATIONAL:
retval = LOGGER.atInfo();
break;
default:
throw new UnsupportedOperationException(String.format("unsupported level '%s'", level));
}
return retval;
}
@Override
protected String toPath(@NonNull INodeItem nodeItem) {
return nodeItem.toPath(getPathFormatter());
}
/**
* Determine if a failure to validate a constraint at the given severity level
* should be logged.
*
* @param level
* the severity level to check
* @return {@code true} if the severity level should be logged, or {@code false}
* otherwise
*/
private static boolean isLogged(@NonNull Level level) {
boolean retval;
switch (level) {
case CRITICAL:
retval = LOGGER.isFatalEnabled();
break;
case ERROR:
retval = LOGGER.isErrorEnabled();
break;
case WARNING:
retval = LOGGER.isWarnEnabled();
break;
case INFORMATIONAL:
retval = LOGGER.isInfoEnabled();
break;
default:
throw new UnsupportedOperationException(String.format("unsupported level '%s'", level));
}
return retval;
}
private void logConstraint(
@NonNull Level level,
@NonNull INodeItem node,
@NonNull CharSequence message,
@Nullable Throwable cause) {
LogBuilder builder = getLogBuilder(level);
if (cause != null) {
builder.withThrowable(cause);
}
builder.log("{}: ({}) {}", level.name(), toPath(node), message);
}
@Override
public void handleCardinalityMinimumViolation(
@NonNull ICardinalityConstraint constraint,
@NonNull INodeItem node,
@NonNull ISequence<? extends INodeItem> targets) {
Level level = constraint.getLevel();
if (isLogged(level)) {
logConstraint(level, node, newCardinalityMinimumViolationMessage(constraint, node, targets), null);
}
}
@Override
public void handleCardinalityMaximumViolation(
@NonNull ICardinalityConstraint constraint,
@NonNull INodeItem node,
@NonNull ISequence<? extends INodeItem> targets) {
Level level = constraint.getLevel();
if (isLogged(level)) {
logConstraint(level, node, newCardinalityMaximumViolationMessage(constraint, node, targets), null);
}
}
@Override
public void handleIndexDuplicateKeyViolation(
@NonNull IIndexConstraint constraint,
@NonNull INodeItem node,
@NonNull INodeItem oldItem,
@NonNull INodeItem target) {
Level level = constraint.getLevel();
if (isLogged(level)) {
logConstraint(level, target, newIndexDuplicateKeyViolationMessage(constraint, node, oldItem, target), null);
}
}
@Override
public void handleUniqueKeyViolation(
@NonNull IUniqueConstraint constraint,
@NonNull INodeItem node,
@NonNull INodeItem oldItem,
@NonNull INodeItem target) {
Level level = constraint.getLevel();
if (isLogged(level)) {
logConstraint(level, target, newUniqueKeyViolationMessage(constraint, node, oldItem, target), null);
}
}
@SuppressWarnings("null")
@Override
public void handleKeyMatchError(
@NonNull IKeyConstraint constraint,
@NonNull INodeItem node,
@NonNull INodeItem target,
@NonNull MetapathException cause) {
Level level = constraint.getLevel();
if (isLogged(level)) {
logConstraint(level, target, cause.getLocalizedMessage(), cause);
}
}
@Override
public void handleMatchPatternViolation(
@NonNull IMatchesConstraint constraint,
@NonNull INodeItem node,
@NonNull INodeItem target,
@NonNull String value,
@NonNull Pattern pattern) {
Level level = constraint.getLevel();
if (isLogged(level)) {
logConstraint(level, target, newMatchPatternViolationMessage(constraint, node, target, value, pattern), null);
}
}
@Override
public void handleMatchDatatypeViolation(
@NonNull IMatchesConstraint constraint,
@NonNull INodeItem node,
@NonNull INodeItem target,
@NonNull String value,
@NonNull IDataTypeAdapter<?> adapter,
@NonNull IllegalArgumentException cause) {
Level level = constraint.getLevel();
if (isLogged(level)) {
logConstraint(level, target, newMatchDatatypeViolationMessage(constraint, node, target, value, adapter), cause);
}
}
@Override
public void handleExpectViolation(
@NonNull IExpectConstraint constraint,
@NonNull INodeItem node,
@NonNull INodeItem target,
@NonNull DynamicContext dynamicContext) {
Level level = constraint.getLevel();
if (isLogged(level)) {
logConstraint(level, target, newExpectViolationMessage(constraint, node, target, dynamicContext), null);
}
}
@Override
public void handleAllowedValuesViolation(@NonNull List<IAllowedValuesConstraint> failedConstraints,
@NonNull INodeItem target) {
Level level = ObjectUtils.notNull(failedConstraints.stream()
.map(IConstraint::getLevel)
.max(Comparator.comparing(Level::ordinal))
.get());
if (isLogged(level)) {
logConstraint(level, target, newAllowedValuesViolationMessage(failedConstraints, target), null);
}
}
@Override
public void handleIndexDuplicateViolation(IIndexConstraint constraint, INodeItem node) {
Level level = Level.CRITICAL;
if (isLogged(level)) {
logConstraint(level, node, newIndexDuplicateViolationMessage(constraint, node), null);
}
}
@Override
public void handleIndexMiss(IIndexHasKeyConstraint constraint, INodeItem node, INodeItem target, List<String> key) {
Level level = constraint.getLevel();
if (isLogged(level)) {
logConstraint(level, node, newIndexMissMessage(constraint, node, target, key), null);
}
}
@Override
public void handleMissingIndexViolation(IIndexHasKeyConstraint constraint, INodeItem node, INodeItem target,
String message) {
Level level = constraint.getLevel();
if (isLogged(level)) {
logConstraint(level, node, newMissingIndexViolationMessage(constraint, node, target, message), null);
}
}
@Override
public void handlePass(IConstraint constraint, INodeItem node, INodeItem target) {
// do nothing
}
@Override
public void handleError(
IConstraint constraint,
INodeItem node,
String message,
Throwable exception) {
Level level = Level.CRITICAL;
if (isLogged(level)) {
logConstraint(level, node, message, exception);
}
}
}