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}.
22 * Creates an instance of Range constraint based on supplied parameters with
23 * additional behaviour:
25 * <li>{@link PatternConstraint#getErrorAppTag()} returns
26 * <code>invalid-regular-expression</code>
29 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.absent());
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 = Preconditions.checkNotNull(regex, "regex must not be null.");
46 this.description = description.orNull();
47 this.reference = reference.orNull();
48 this.errorAppTag = errorAppTag != null ? errorAppTag : "invalid-regular-expression";
49 this.errorMessage = errorMessage != null ? errorMessage : String.format(
50 "Supplied value does not match the regular expression %s.", regex);
51 this.modifier = modifier.orNull();
55 public String getDescription() {
60 public String getErrorAppTag() {
65 public String getErrorMessage() {
70 public String getReference() {
75 public String getRegularExpression() {
80 public int hashCode() {
81 return Objects.hash(description, errorAppTag, errorMessage, reference, regex, modifier);
85 public boolean equals(final Object obj) {
89 if (!(obj instanceof PatternConstraintImpl)) {
92 final PatternConstraintImpl other = (PatternConstraintImpl) obj;
93 return Objects.equals(description, other.description) && Objects.equals(errorAppTag, other.errorAppTag)
94 && Objects.equals(errorMessage, other.errorMessage) && Objects.equals(reference, other.reference)
95 && Objects.equals(regex, other.regex) && Objects.equals(modifier, other.modifier);
99 public String toString() {
100 return MoreObjects.toStringHelper(this).add("regex", regex).add("description", description)
101 .add("reference", reference).add("errorAppTag", errorAppTag).add("errorMessage", errorMessage)
102 .add("modifier", modifier).toString();