// Copyright (C) 2015 The Android Open Source Project
//
// 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
//
// http://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.gerrit.extensions.api.groups;
import com.google.gerrit.extensions.client.ListGroupsOption;
import com.google.gerrit.extensions.common.GroupInfo;
import com.google.gerrit.extensions.restapi.NotImplementedException;
import com.google.gerrit.extensions.restapi.RestApiException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.EnumSet;
import java.util.List;
import java.util.Map;
public interface Groups {
/**
* Look up a group by ID.
*
* <p><strong>Note:</strong> This method eagerly reads the group. Methods that mutate the group do
* not necessarily re-read the group. Therefore, calling a getter method on an instance after
* calling a mutation method on that same instance is not guaranteed to reflect the mutation. It
* is not recommended to store references to {@code groupApi} instances.
*
* @param id any identifier supported by the REST API, including group name or UUID.
* @return API for accessing the group.
* @throws RestApiException if an error occurred.
*/
GroupApi id(String id) throws RestApiException;
/** Create a new group with the given name and default options. */
GroupApi create(String name) throws RestApiException;
/** Create a new group. */
GroupApi create(GroupInput input) throws RestApiException;
/** @return new request for listing groups. */
ListRequest list();
/**
* Query groups.
*
* <p>Example code: {@code query().withQuery("inname:test").withLimit(10).get()}
*
* @return API for setting parameters and getting result.
*/
QueryRequest query();
/**
* Query groups.
*
* <p>Shortcut API for {@code query().withQuery(String)}.
*
* @see #query()
*/
QueryRequest query(String query);
abstract class ListRequest {
private final EnumSet<ListGroupsOption> options = EnumSet.noneOf(ListGroupsOption.class);
private final List<String> projects = new ArrayList<>();
private final List<String> groups = new ArrayList<>();
private boolean visibleToAll;
private String user;
private boolean owned;
private int limit;
private int start;
private String substring;
private String suggest;
public List<GroupInfo> get() throws RestApiException {
Map<String, GroupInfo> map = getAsMap();
List<GroupInfo> result = new ArrayList<>(map.size());
for (Map.Entry<String, GroupInfo> e : map.entrySet()) {
// ListGroups "helpfully" nulls out names when converting to a map.
e.getValue().name = e.getKey();
result.add(e.getValue());
}
return Collections.unmodifiableList(result);
}
public abstract Map<String, GroupInfo> getAsMap() throws RestApiException;
public ListRequest addOption(ListGroupsOption option) {
options.add(option);
return this;
}
public ListRequest addOptions(ListGroupsOption... options) {
return addOptions(Arrays.asList(options));
}
public ListRequest addOptions(Iterable<ListGroupsOption> options) {
for (ListGroupsOption option : options) {
this.options.add(option);
}
return this;
}
public ListRequest withProject(String project) {
projects.add(project);
return this;
}
public ListRequest addGroup(String uuid) {
groups.add(uuid);
return this;
}
public ListRequest withVisibleToAll(boolean visible) {
visibleToAll = visible;
return this;
}
public ListRequest withUser(String user) {
this.user = user;
return this;
}
public ListRequest withOwned(boolean owned) {
this.owned = owned;
return this;
}
public ListRequest withLimit(int limit) {
this.limit = limit;
return this;
}
public ListRequest withStart(int start) {
this.start = start;
return this;
}
public ListRequest withSubstring(String substring) {
this.substring = substring;
return this;
}
public ListRequest withSuggest(String suggest) {
this.suggest = suggest;
return this;
}
public EnumSet<ListGroupsOption> getOptions() {
return options;
}
public List<String> getProjects() {
return Collections.unmodifiableList(projects);
}
public List<String> getGroups() {
return Collections.unmodifiableList(groups);
}
public boolean getVisibleToAll() {
return visibleToAll;
}
public String getUser() {
return user;
}
public boolean getOwned() {
return owned;
}
public int getLimit() {
return limit;
}
public int getStart() {
return start;
}
public String getSubstring() {
return substring;
}
public String getSuggest() {
return suggest;
}
}
/**
* API for setting parameters and getting result. Used for {@code query()}.
*
* @see #query()
*/
abstract class QueryRequest {
private String query;
private int limit;
private int start;
private EnumSet<ListGroupsOption> options = EnumSet.noneOf(ListGroupsOption.class);
/** Execute query and returns the matched groups as list. */
public abstract List<GroupInfo> get() throws RestApiException;
/**
* Set query.
*
* @param query needs to be in human-readable form.
*/
public QueryRequest withQuery(String query) {
this.query = query;
return this;
}
/**
* Set limit for returned list of groups. Optional; server-default is used when not provided.
*/
public QueryRequest withLimit(int limit) {
this.limit = limit;
return this;
}
/** Set number of groups to skip. Optional; no groups are skipped when not provided. */
public QueryRequest withStart(int start) {
this.start = start;
return this;
}
public QueryRequest withOption(ListGroupsOption options) {
this.options.add(options);
return this;
}
public QueryRequest withOptions(ListGroupsOption... options) {
this.options.addAll(Arrays.asList(options));
return this;
}
public QueryRequest withOptions(EnumSet<ListGroupsOption> options) {
this.options = options;
return this;
}
public String getQuery() {
return query;
}
public int getLimit() {
return limit;
}
public int getStart() {
return start;
}
public EnumSet<ListGroupsOption> getOptions() {
return options;
}
}
/**
* A default implementation which allows source compatibility when adding new methods to the
* interface.
*/
class NotImplemented implements Groups {
@Override
public GroupApi id(String id) {
throw new NotImplementedException();
}
@Override
public GroupApi create(String name) {
throw new NotImplementedException();
}
@Override
public GroupApi create(GroupInput input) {
throw new NotImplementedException();
}
@Override
public ListRequest list() {
throw new NotImplementedException();
}
@Override
public QueryRequest query() {
throw new NotImplementedException();
}
@Override
public QueryRequest query(String query) {
throw new NotImplementedException();
}
}
}