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 com.google.common.base.MoreObjects;
11 import com.google.common.base.Optional;
12 import com.google.common.base.Preconditions;
13 import java.util.Objects;
14 import org.opendaylight.yangtools.concepts.Immutable;
15 import org.opendaylight.yangtools.yang.model.api.type.ModifierKind;
16 import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
19 * {@link Immutable} implementation of {@link PatternConstraint}
21 * Creates an instance of Range constraint based on supplied parameters with
22 * additional behaviour:
25 * <li>{@link PatternConstraint#getErrorAppTag()} returns
26 * <code>invalid-regular-expression</code>
30 final class PatternConstraintImpl implements PatternConstraint, Immutable {
32 private final String regex;
33 private final String description;
34 private final String reference;
36 private final String errorAppTag;
37 private final String errorMessage;
38 private final ModifierKind modifier;
40 PatternConstraintImpl(final String regex, final Optional<String> description, final Optional<String> reference) {
41 this(regex, description, reference, null, null, Optional.absent());
44 PatternConstraintImpl(final String regex, final Optional<String> description, final Optional<String> reference,
45 final String errorAppTag, final String errorMessage, final Optional<ModifierKind> modifier) {
46 this.regex = Preconditions.checkNotNull(regex, "regex must not be null.");
47 this.description = description.orNull();
48 this.reference = reference.orNull();
49 this.errorAppTag = errorAppTag != null ? errorAppTag : "invalid-regular-expression";
50 this.errorMessage = errorMessage != null ? errorMessage : String.format(
51 "Supplied value does not match the regular expression %s.", regex);
52 this.modifier = modifier.orNull();
56 public String getDescription() {
61 public String getErrorAppTag() {
66 public String getErrorMessage() {
71 public String getReference() {
76 public String getRegularExpression() {
81 public int hashCode() {
82 return Objects.hash(description, errorAppTag, errorMessage, reference, regex, modifier);
86 public boolean equals(final Object obj) {
90 if (!(obj instanceof PatternConstraintImpl)) {
93 final PatternConstraintImpl other = (PatternConstraintImpl) obj;
94 return Objects.equals(description, other.description) && Objects.equals(errorAppTag, other.errorAppTag)
95 && Objects.equals(errorMessage, other.errorMessage) && Objects.equals(reference, other.reference)
96 && Objects.equals(regex, other.regex) && Objects.equals(modifier, other.modifier);
100 public String toString() {
101 return MoreObjects.toStringHelper(this).add("regex", regex).add("description", description)
102 .add("reference", reference).add("errorAppTag", errorAppTag).add("errorMessage", errorMessage)
103 .add("modifier", modifier).toString();