/**
* Copyright (c) 2016 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.effective.type;
import com.google.common.collect.ImmutableList;
import java.util.ArrayList;
import java.util.List;
import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.type.LengthConstraint;
import org.opendaylight.yangtools.yang.model.api.type.ModifierKind;
import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
import org.opendaylight.yangtools.yang.model.api.type.RangeConstraint;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.DeclaredEffectiveStatementBase;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.DescriptionEffectiveStatementImpl;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.ErrorAppTagEffectiveStatementImpl;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.ErrorMessageEffectiveStatementImpl;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.ReferenceEffectiveStatementImpl;
import org.opendaylight.yangtools.yang.parser.stmt.rfc7950.effective.ModifierEffectiveStatementImpl;
abstract class AbstractConstraintEffectiveStatement<A, D extends DeclaredStatement<A>> extends
DeclaredEffectiveStatementBase<A, D> {
private final String description;
private final String reference;
private final String errorAppTag;
private final String errorMessage;
private final ModifierKind modifier;
private final A constraints;
public AbstractConstraintEffectiveStatement(final StmtContext<A, D, ?> ctx,
final ConstraintFactory<A> constraintFactory) {
super(ctx);
String descriptionInit = null;
String referenceInit = null;
String errorAppTagInit = null;
String errorMessageInit = null;
ModifierKind modifierInit = null;
for (final EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
if (stmt instanceof DescriptionEffectiveStatementImpl) {
descriptionInit = ((DescriptionEffectiveStatementImpl) stmt).argument();
}
if (stmt instanceof ReferenceEffectiveStatementImpl) {
referenceInit = ((ReferenceEffectiveStatementImpl) stmt).argument();
}
if (stmt instanceof ErrorAppTagEffectiveStatementImpl) {
errorAppTagInit = ((ErrorAppTagEffectiveStatementImpl) stmt).argument();
}
if (stmt instanceof ErrorMessageEffectiveStatementImpl) {
errorMessageInit = ((ErrorMessageEffectiveStatementImpl) stmt).argument();
}
if (stmt instanceof ModifierEffectiveStatementImpl) {
modifierInit = ((ModifierEffectiveStatementImpl) stmt).argument();
}
}
this.description = descriptionInit;
this.reference = referenceInit;
this.errorAppTag = errorAppTagInit;
this.errorMessage = errorMessageInit;
this.modifier = modifierInit;
this.constraints = constraintFactory.createConstraints(this, super.argument());
}
@Override
public final A argument() {
return constraints;
}
public final boolean isCustomizedStatement() {
return this.description != null || this.reference != null || this.errorAppTag != null
|| this.errorMessage != null || this.modifier != null;
}
public final String getDescription() {
return description;
}
public final ModifierKind getModifier() {
return modifier;
}
public final String getReference() {
return reference;
}
public final String getErrorAppTag() {
return errorAppTag;
}
public final String getErrorMessage() {
return errorMessage;
}
}
abstract class ConstraintFactory<A> {
abstract protected A createConstraints(AbstractConstraintEffectiveStatement<A, ?> stmt, A argument);
}
abstract class ListConstraintFactory<A> extends ConstraintFactory<List<A>> {
@Override
protected List<A> createConstraints(final AbstractConstraintEffectiveStatement<List<A>, ?> stmt,
final List<A> argument) {
if (!stmt.isCustomizedStatement()) {
return ImmutableList.copyOf(argument);
}
final List<A> customizedConstraints = new ArrayList<>(argument.size());
for (final A constraint : argument) {
customizedConstraints.add(createCustomizedConstraint(constraint, stmt));
}
return ImmutableList.copyOf(customizedConstraints);
}
abstract protected A createCustomizedConstraint(A constraint, AbstractConstraintEffectiveStatement<List<A>, ?> stmt);
}
final class LengthConstraintFactory extends ListConstraintFactory<LengthConstraint> {
@Override
protected LengthConstraint createCustomizedConstraint(final LengthConstraint lengthConstraint,
final AbstractConstraintEffectiveStatement<List<LengthConstraint>, ?> stmt) {
return new LengthConstraintEffectiveImpl(lengthConstraint.getMin(), lengthConstraint.getMax(),
stmt.getDescription(), stmt.getReference(), stmt.getErrorAppTag(), stmt.getErrorMessage());
}
}
final class RangeConstraintFactory extends ListConstraintFactory<RangeConstraint> {
@Override
protected RangeConstraint createCustomizedConstraint(final RangeConstraint rangeConstraint,
final AbstractConstraintEffectiveStatement<List<RangeConstraint>, ?> stmt) {
return new RangeConstraintEffectiveImpl(rangeConstraint.getMin(), rangeConstraint.getMax(),
stmt.getDescription(), stmt.getReference(), stmt.getErrorAppTag(), stmt.getErrorMessage());
}
}
final class PatternConstraintFactory extends ConstraintFactory<PatternConstraint> {
@Override
protected PatternConstraint createConstraints(
final AbstractConstraintEffectiveStatement<PatternConstraint, ?> stmt, final PatternConstraint argument) {
if (!stmt.isCustomizedStatement()) {
return argument;
}
return createCustomizedConstraint(argument, stmt);
}
private static PatternConstraint createCustomizedConstraint(final PatternConstraint patternConstraint,
final AbstractConstraintEffectiveStatement<?, ?> stmt) {
return new PatternConstraintEffectiveImpl(patternConstraint.getRegularExpression(),
patternConstraint.getRawRegularExpression(), stmt.getDescription(), stmt.getReference(),
stmt.getErrorAppTag(), stmt.getErrorMessage(), stmt.getModifier());
}
}