/*
* Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
import com.google.common.base.Optional;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.DescriptionStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.ErrorAppTagStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.ErrorMessageStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.ModifierStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.PatternStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.ReferenceStatement;
import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
import org.opendaylight.yangtools.yang.model.util.RegexUtils;
import org.opendaylight.yangtools.yang.parser.spi.SubstatementValidator;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.type.PatternConstraintEffectiveImpl;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.type.PatternEffectiveStatementImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class PatternStatementImpl extends AbstractDeclaredStatement<PatternConstraint> implements PatternStatement {
private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
.PATTERN)
.addOptional(YangStmtMapping.DESCRIPTION)
.addOptional(YangStmtMapping.ERROR_APP_TAG)
.addOptional(YangStmtMapping.ERROR_MESSAGE)
.addOptional(YangStmtMapping.REFERENCE)
.build();
private static final Logger LOG = LoggerFactory.getLogger(PatternStatementImpl.class);
protected PatternStatementImpl(final StmtContext<PatternConstraint, PatternStatement, ?> context) {
super(context);
}
public static class Definition
extends
AbstractStatementSupport<PatternConstraint, PatternStatement, EffectiveStatement<PatternConstraint, PatternStatement>> {
public Definition() {
super(YangStmtMapping.PATTERN);
}
@Override
public PatternConstraint parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
final String pattern = RegexUtils.getJavaRegexFromXSD(value);
try {
Pattern.compile(pattern);
} catch (final PatternSyntaxException e) {
LOG.debug("Pattern \"{}\" failed to compile at {}", pattern, ctx.getStatementSourceReference(), e);
return null;
}
return new PatternConstraintEffectiveImpl(pattern, value, Optional.absent(), Optional.absent());
}
@Override
public PatternStatement createDeclared(final StmtContext<PatternConstraint, PatternStatement, ?> ctx) {
return new PatternStatementImpl(ctx);
}
@Override
public EffectiveStatement<PatternConstraint, PatternStatement> createEffective(
final StmtContext<PatternConstraint, PatternStatement, EffectiveStatement<PatternConstraint, PatternStatement>> ctx) {
return new PatternEffectiveStatementImpl(ctx);
}
@Override
protected SubstatementValidator getSubstatementValidator() {
return SUBSTATEMENT_VALIDATOR;
}
}
@Override
public ErrorAppTagStatement getErrorAppTagStatement() {
return firstDeclared(ErrorAppTagStatement.class);
}
@Override
public ErrorMessageStatement getErrorMessageStatement() {
return firstDeclared(ErrorMessageStatement.class);
}
@Override
public DescriptionStatement getDescription() {
return firstDeclared(DescriptionStatement.class);
}
@Override
public ModifierStatement getModifierStatement() {
return firstDeclared(ModifierStatement.class);
}
@Override
public ReferenceStatement getReference() {
return firstDeclared(ReferenceStatement.class);
}
@Nonnull
@Override
public PatternConstraint getValue() {
return argument();
}
}