2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.model.util;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.base.MoreObjects;
13 import java.util.Objects;
14 import java.util.Optional;
15 import org.opendaylight.yangtools.concepts.Immutable;
16 import org.opendaylight.yangtools.yang.model.api.type.ModifierKind;
17 import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
20 * {@link Immutable} implementation of {@link PatternConstraint}.
23 * Creates an instance of Range constraint based on supplied parameters with
24 * additional behaviour:
26 * <li>{@link PatternConstraint#getErrorAppTag()} returns
27 * <code>invalid-regular-expression</code>
30 final class PatternConstraintImpl implements PatternConstraint, Immutable {
31 private final String regex;
32 private final String description;
33 private final String reference;
35 private final String errorAppTag;
36 private final String errorMessage;
37 private final ModifierKind modifier;
39 PatternConstraintImpl(final String regex, final Optional<String> description, final Optional<String> reference) {
40 this(regex, description, reference, null, null, Optional.empty());
43 PatternConstraintImpl(final String regex, final Optional<String> description, final Optional<String> reference,
44 final String errorAppTag, final String errorMessage, final Optional<ModifierKind> modifier) {
45 this.regex = requireNonNull(regex, "regex must not be null.");
46 this.description = description.orElse(null);
47 this.reference = reference.orElse(null);
48 this.errorAppTag = errorAppTag != null ? errorAppTag : "invalid-regular-expression";
49 this.errorMessage = errorMessage;
50 this.modifier = modifier.orElse(null);
54 public Optional<String> getDescription() {
55 return Optional.ofNullable(description);
59 public Optional<String> getErrorAppTag() {
60 return Optional.ofNullable(errorAppTag);
64 public Optional<String> getErrorMessage() {
65 return Optional.ofNullable(errorMessage);
69 public Optional<String> getReference() {
70 return Optional.ofNullable(reference);
74 public String getJavaPatternString() {
79 public String getRegularExpressionString() {
80 throw new UnsupportedOperationException();
84 public Optional<ModifierKind> getModifier() {
85 return Optional.ofNullable(modifier);
89 public int hashCode() {
90 return Objects.hash(description, errorAppTag, errorMessage, reference, regex, modifier);
94 public boolean equals(final Object obj) {
98 if (!(obj instanceof PatternConstraintImpl)) {
101 final PatternConstraintImpl other = (PatternConstraintImpl) obj;
102 return Objects.equals(description, other.description) && Objects.equals(errorAppTag, other.errorAppTag)
103 && Objects.equals(errorMessage, other.errorMessage) && Objects.equals(reference, other.reference)
104 && Objects.equals(regex, other.regex) && Objects.equals(modifier, other.modifier);
108 public String toString() {
109 return MoreObjects.toStringHelper(this).omitNullValues().add("regex", regex).add("description", description)
110 .add("reference", reference).add("errorAppTag", errorAppTag).add("errorMessage", errorMessage)
111 .add("modifier", modifier).toString();