2 * Copyright (c) 2020 PANTHEON.tech, s.r.o. 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.parser.rfc7950.stmt.pattern;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.base.MoreObjects;
13 import com.google.common.base.MoreObjects.ToStringHelper;
14 import java.util.Objects;
15 import java.util.Optional;
16 import org.eclipse.jdt.annotation.Nullable;
17 import org.opendaylight.yangtools.concepts.Immutable;
18 import org.opendaylight.yangtools.yang.model.api.type.ModifierKind;
19 import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
21 abstract class AbstractPatternConstraint implements PatternConstraint, Immutable {
22 private final String regEx;
23 private final String rawRegEx;
24 private final String errorAppTag;
26 AbstractPatternConstraint(final String regex, final String rawRegex, final String errorAppTag) {
27 this.regEx = requireNonNull(regex, "regex must not be null");
28 this.rawRegEx = requireNonNull(rawRegex, "raw regex must not be null");
29 // FIXME: 6.0.0: explain this assignment
30 this.errorAppTag = errorAppTag != null ? errorAppTag : "invalid-regular-expression";
34 public final String getJavaPatternString() {
39 public final String getRegularExpressionString() {
44 public final Optional<String> getDescription() {
45 return Optional.ofNullable(description());
49 public final Optional<String> getErrorAppTag() {
50 return Optional.of(errorAppTag);
54 public final Optional<String> getErrorMessage() {
55 return Optional.ofNullable(errorMessage());
59 public final Optional<ModifierKind> getModifier() {
60 return Optional.ofNullable(modifier());
64 public final Optional<String> getReference() {
65 return Optional.ofNullable(reference());
69 public final int hashCode() {
70 return Objects.hash(description(), errorAppTag, errorMessage(), reference(), regEx, modifier());
74 public final boolean equals(final Object obj) {
78 if (!(obj instanceof AbstractPatternConstraint)) {
81 final AbstractPatternConstraint other = (AbstractPatternConstraint) obj;
82 return Objects.equals(description(), other.description()) && Objects.equals(errorAppTag, other.errorAppTag)
83 && Objects.equals(errorMessage(), other.errorMessage())
84 && Objects.equals(reference(), other.reference()) && Objects.equals(regEx, other.regEx)
85 && Objects.equals(modifier(), other.modifier());
89 public final String toString() {
90 return addToStringAttributes(MoreObjects.toStringHelper(this).omitNullValues()).toString();
93 abstract @Nullable String description();
95 abstract @Nullable String reference();
97 abstract @Nullable String errorMessage();
99 abstract @Nullable ModifierKind modifier();
101 ToStringHelper addToStringAttributes(final ToStringHelper helper) {
102 return helper.add("regex", regEx).add("errorAppTag", errorAppTag);