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// Copyright (C) 2017 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.server.query.project;
import com.google.common.base.Strings;
import com.google.common.collect.Lists;
import com.google.common.primitives.Ints;
import com.google.gerrit.extensions.client.ProjectState;
import com.google.gerrit.index.project.ProjectData;
import com.google.gerrit.index.query.LimitPredicate;
import com.google.gerrit.index.query.Predicate;
import com.google.gerrit.index.query.QueryBuilder;
import com.google.gerrit.index.query.QueryParseException;
import com.google.gerrit.reviewdb.client.Project;
import com.google.inject.Inject;
import java.util.List;
/** Parses a query string meant to be applied to project objects. */
public class ProjectQueryBuilder extends QueryBuilder<ProjectData> {
public static final String FIELD_LIMIT = "limit";
private static final QueryBuilder.Definition<ProjectData, ProjectQueryBuilder> mydef =
new QueryBuilder.Definition<>(ProjectQueryBuilder.class);
@Inject
ProjectQueryBuilder() {
super(mydef);
}
@Operator
public Predicate<ProjectData> name(String name) {
return ProjectPredicates.name(new Project.NameKey(name));
}
@Operator
public Predicate<ProjectData> parent(String parentName) {
return ProjectPredicates.parent(new Project.NameKey(parentName));
}
@Operator
public Predicate<ProjectData> inname(String namePart) {
if (namePart.isEmpty()) {
return name(namePart);
}
return ProjectPredicates.inname(namePart);
}
@Operator
public Predicate<ProjectData> description(String description) throws QueryParseException {
if (Strings.isNullOrEmpty(description)) {
throw error("description operator requires a value");
}
return ProjectPredicates.description(description);
}
@Operator
public Predicate<ProjectData> state(String state) throws QueryParseException {
if (Strings.isNullOrEmpty(state)) {
throw error("state operator requires a value");
}
ProjectState parsedState;
try {
parsedState = ProjectState.valueOf(state.replace('-', '_').toUpperCase());
} catch (IllegalArgumentException e) {
throw error("state operator must be either 'active' or 'read-only'");
}
if (parsedState == ProjectState.HIDDEN) {
throw error("state operator must be either 'active' or 'read-only'");
}
return ProjectPredicates.state(parsedState);
}
@Override
protected Predicate<ProjectData> defaultField(String query) throws QueryParseException {
// Adapt the capacity of this list when adding more default predicates.
List<Predicate<ProjectData>> preds = Lists.newArrayListWithCapacity(3);
preds.add(name(query));
preds.add(inname(query));
if (!Strings.isNullOrEmpty(query)) {
preds.add(description(query));
}
return Predicate.or(preds);
}
@Operator
public Predicate<ProjectData> limit(String query) throws QueryParseException {
Integer limit = Ints.tryParse(query);
if (limit == null) {
throw error("Invalid limit: " + query);
}
return new LimitPredicate<>(FIELD_LIMIT, limit);
}
}
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