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TopicName.java
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TopicName.java
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/*
* Copyright 2022 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.pubsub.v1;
import com.google.api.core.BetaApi;
import com.google.api.pathtemplate.PathTemplate;
import com.google.api.pathtemplate.ValidationException;
import com.google.api.resourcenames.ResourceName;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableMap;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import javax.annotation.Generated;
// AUTO-GENERATED DOCUMENTATION AND CLASS.
@Generated("by gapic-generator-java")
public class TopicName implements ResourceName {
private static final PathTemplate PROJECT_TOPIC =
PathTemplate.createWithoutUrlEncoding("projects/{project}/topics/{topic}");
private static final String DELETED_TOPIC = "_deleted-topic_";
private volatile Map<String, String> fieldValuesMap;
private PathTemplate pathTemplate;
private String fixedValue;
private final String project;
private final String topic;
@Deprecated
protected TopicName() {
project = null;
topic = null;
}
private TopicName(Builder builder) {
project = Preconditions.checkNotNull(builder.getProject());
topic = Preconditions.checkNotNull(builder.getTopic());
pathTemplate = PROJECT_TOPIC;
}
private TopicName(String fixedValue) {
this.fixedValue = fixedValue;
fieldValuesMap = ImmutableMap.of("", fixedValue);
project = null;
topic = null;
}
public String getProject() {
return project;
}
public String getTopic() {
return topic;
}
public static Builder newBuilder() {
return new Builder();
}
@BetaApi("The per-pattern Builders are not stable yet and may be changed in the future.")
public static Builder newProjectTopicBuilder() {
return new Builder();
}
public Builder toBuilder() {
return new Builder(this);
}
public static TopicName of(String project, String topic) {
return newBuilder().setProject(project).setTopic(topic).build();
}
@BetaApi("The static create methods are not stable yet and may be changed in the future.")
public static TopicName ofProjectTopicName(String project, String topic) {
return newBuilder().setProject(project).setTopic(topic).build();
}
@BetaApi("The static create methods are not stable yet and may be changed in the future.")
public static TopicName ofDeletedTopicName() {
return new TopicName("_deleted-topic_");
}
public static String format(String project, String topic) {
return newBuilder().setProject(project).setTopic(topic).build().toString();
}
@BetaApi("The static format methods are not stable yet and may be changed in the future.")
public static String formatProjectTopicName(String project, String topic) {
return newBuilder().setProject(project).setTopic(topic).build().toString();
}
@BetaApi("The static format methods are not stable yet and may be changed in the future.")
public static String formatDeletedTopicName() {
return "_deleted-topic_";
}
public static TopicName parse(String formattedString) {
if (formattedString.isEmpty()) {
return null;
}
if (PROJECT_TOPIC.matches(formattedString)) {
Map<String, String> matchMap = PROJECT_TOPIC.match(formattedString);
return ofProjectTopicName(matchMap.get("project"), matchMap.get("topic"));
} else if (DELETED_TOPIC.equals(formattedString)) {
return new TopicName("_deleted-topic_");
}
throw new ValidationException("TopicName.parse: formattedString not in valid format");
}
public static List<TopicName> parseList(List<String> formattedStrings) {
List<TopicName> list = new ArrayList<>(formattedStrings.size());
for (String formattedString : formattedStrings) {
list.add(parse(formattedString));
}
return list;
}
public static List<String> toStringList(List<TopicName> values) {
List<String> list = new ArrayList<>(values.size());
for (TopicName value : values) {
if (value == null) {
list.add("");
} else {
list.add(value.toString());
}
}
return list;
}
public static boolean isParsableFrom(String formattedString) {
return PROJECT_TOPIC.matches(formattedString) || DELETED_TOPIC.equals(formattedString);
}
@Override
public Map<String, String> getFieldValuesMap() {
if (fieldValuesMap == null) {
synchronized (this) {
if (fieldValuesMap == null) {
ImmutableMap.Builder<String, String> fieldMapBuilder = ImmutableMap.builder();
if (project != null) {
fieldMapBuilder.put("project", project);
}
if (topic != null) {
fieldMapBuilder.put("topic", topic);
}
fieldValuesMap = fieldMapBuilder.build();
}
}
}
return fieldValuesMap;
}
public String getFieldValue(String fieldName) {
return getFieldValuesMap().get(fieldName);
}
@Override
public String toString() {
return fixedValue != null ? fixedValue : pathTemplate.instantiate(getFieldValuesMap());
}
@Override
public boolean equals(Object o) {
if (o == this) {
return true;
}
if (o != null || getClass() == o.getClass()) {
TopicName that = ((TopicName) o);
return Objects.equals(this.project, that.project) && Objects.equals(this.topic, that.topic);
}
return false;
}
@Override
public int hashCode() {
int h = 1;
h *= 1000003;
h ^= Objects.hashCode(project);
h *= 1000003;
h ^= Objects.hashCode(topic);
return h;
}
/** Builder for projects/{project}/topics/{topic}. */
public static class Builder {
private String project;
private String topic;
protected Builder() {}
public String getProject() {
return project;
}
public String getTopic() {
return topic;
}
public Builder setProject(String project) {
this.project = project;
return this;
}
public Builder setTopic(String topic) {
this.topic = topic;
return this;
}
private Builder(TopicName topicName) {
Preconditions.checkArgument(
Objects.equals(topicName.pathTemplate, PROJECT_TOPIC),
"toBuilder is only supported when TopicName has the pattern of projects/{project}/topics/{topic}");
this.project = topicName.project;
this.topic = topicName.topic;
}
public TopicName build() {
return new TopicName(this);
}
}
}