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/*
* SonarQube
* Copyright (C) 2009-2017 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.server.component.ws;
import com.google.common.collect.ImmutableMap;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.function.BiConsumer;
import javax.annotation.Nullable;
import org.sonar.api.measures.Metric.Level;
import org.sonar.server.component.ws.FilterParser.Criterion;
import org.sonar.server.component.ws.FilterParser.Operator;
import org.sonar.server.measure.index.ProjectMeasuresQuery;
import static com.google.common.base.Preconditions.checkArgument;
import static java.lang.String.format;
import static java.util.Collections.singleton;
import static java.util.Locale.ENGLISH;
import static org.sonar.api.measures.CoreMetrics.ALERT_STATUS_KEY;
import static org.sonar.server.component.ws.FilterParser.Operator.EQ;
import static org.sonar.server.component.ws.FilterParser.Operator.IN;
import static org.sonar.server.measure.index.ProjectMeasuresQuery.MetricCriterion;
import static org.sonarqube.ws.client.project.ProjectsWsParameters.FILTER_LANGUAGES;
import static org.sonarqube.ws.client.project.ProjectsWsParameters.FILTER_TAGS;
class ProjectMeasuresQueryFactory {
public static final String IS_FAVORITE_CRITERION = "isFavorite";
public static final String QUERY_KEY = "query";
private static final String NO_DATA = "NO_DATA";
private static final Map> CRITERION_PROCESSORS = ImmutableMap.>builder()
.put(IS_FAVORITE_CRITERION.toLowerCase(ENGLISH), (criterion, query) -> processIsFavorite(criterion))
.put(FILTER_LANGUAGES, ProjectMeasuresQueryFactory::processLanguages)
.put(FILTER_TAGS, ProjectMeasuresQueryFactory::processTags)
.put(QUERY_KEY, ProjectMeasuresQueryFactory::processQuery)
.put(ALERT_STATUS_KEY, ProjectMeasuresQueryFactory::processQualityGateStatus)
.build();
private ProjectMeasuresQueryFactory() {
// prevent instantiation
}
static ProjectMeasuresQuery newProjectMeasuresQuery(List criteria, @Nullable Set projectUuids) {
ProjectMeasuresQuery query = new ProjectMeasuresQuery();
Optional.ofNullable(projectUuids).ifPresent(query::setProjectUuids);
criteria.forEach(criterion -> processCriterion(criterion, query));
return query;
}
private static void processCriterion(Criterion criterion, ProjectMeasuresQuery query) {
String key = criterion.getKey().toLowerCase(ENGLISH);
CRITERION_PROCESSORS.getOrDefault(key, ProjectMeasuresQueryFactory::processMetricCriterion).accept(criterion, query);
}
private static void processIsFavorite(Criterion criterion) {
checkArgument(criterion.getOperator() == null && criterion.getValue() == null, "Filter on favorites should be declared without an operator nor a value");
}
private static void processLanguages(Criterion criterion, ProjectMeasuresQuery query) {
checkOperator(criterion);
Operator operator = criterion.getOperator();
String value = criterion.getValue();
List values = criterion.getValues();
if (value != null && EQ.equals(operator)) {
query.setLanguages(singleton(value));
return;
}
if (!values.isEmpty() && IN.equals(operator)) {
query.setLanguages(new HashSet<>(values));
return;
}
throw new IllegalArgumentException("Languages should be set either by using 'languages = java' or 'languages IN (java, js)'");
}
private static void processTags(Criterion criterion, ProjectMeasuresQuery query) {
checkOperator(criterion);
Operator operator = criterion.getOperator();
String value = criterion.getValue();
List values = criterion.getValues();
if (value != null && EQ.equals(operator)) {
query.setTags(singleton(value));
return;
}
if (!values.isEmpty() && IN.equals(operator)) {
query.setTags(new HashSet<>(values));
return;
}
throw new IllegalArgumentException("Tags should be set either by using 'tags = java' or 'tags IN (finance, platform)'");
}
private static void processQuery(Criterion criterion, ProjectMeasuresQuery query) {
checkOperator(criterion);
Operator operatorValue = criterion.getOperator();
String value = criterion.getValue();
checkArgument(value != null, "Query is invalid");
checkArgument(EQ.equals(operatorValue), "Query should only be used with equals operator");
query.setQueryText(value);
}
private static void processQualityGateStatus(Criterion criterion, ProjectMeasuresQuery query) {
checkOperator(criterion);
checkValue(criterion);
Operator operator = criterion.getOperator();
String value = criterion.getValue();
checkArgument(EQ.equals(operator), "Only equals operator is available for quality gate criteria");
Level qualityGate = Arrays.stream(Level.values()).filter(level -> level.name().equalsIgnoreCase(value)).findFirst()
.orElseThrow(() -> new IllegalArgumentException(format("Unknown quality gate status : '%s'", value)));
query.setQualityGateStatus(qualityGate);
}
private static void processMetricCriterion(Criterion criterion, ProjectMeasuresQuery query) {
checkOperator(criterion);
checkValue(criterion);
query.addMetricCriterion(createMetricCriterion(criterion, criterion.getKey().toLowerCase(ENGLISH), criterion.getOperator()));
}
private static MetricCriterion createMetricCriterion(Criterion criterion, String metricKey, Operator operator) {
if (NO_DATA.equalsIgnoreCase(criterion.getValue())) {
checkArgument(EQ.equals(operator), "%s can only be used with equals operator", NO_DATA);
return MetricCriterion.createNoData(metricKey);
}
return MetricCriterion.create(metricKey, operator, parseValue(criterion.getValue()));
}
private static double parseValue(String value) {
try {
return Double.parseDouble(value);
} catch (NumberFormatException e) {
throw new IllegalArgumentException(format("Value '%s' is not a number", value));
}
}
private static void checkValue(Criterion criterion) {
checkArgument(criterion.getValue() != null, "Value cannot be null for '%s'", criterion.getKey());
}
private static void checkOperator(Criterion criterion) {
checkArgument(criterion.getOperator() != null, "Operator cannot be null for '%s'", criterion.getKey());
}
}
