org.sonar.server.computation.measure.BatchMeasureToMeasure.java Source code

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Here is the source code for org.sonar.server.computation.measure.BatchMeasureToMeasure.java

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/*
 * SonarQube
 * Copyright (C) 2009-2016 SonarSource SA
 * mailto:contact 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.computation.measure;

import com.google.common.base.Optional;
import java.util.Objects;
import javax.annotation.Nullable;
import org.sonar.batch.protocol.output.BatchReport;
import org.sonar.server.computation.metric.Metric;

import static com.google.common.base.Optional.of;

public class BatchMeasureToMeasure {

    public Optional<Measure> toMeasure(@Nullable BatchReport.Measure batchMeasure, Metric metric) {
        Objects.requireNonNull(metric);
        if (batchMeasure == null) {
            return Optional.absent();
        }

        Measure.NewMeasureBuilder builder = Measure.newMeasureBuilder();
        String data = batchMeasure.hasStringValue() ? batchMeasure.getStringValue() : null;
        switch (metric.getType().getValueType()) {
        case INT:
            return toIntegerMeasure(builder, batchMeasure, data);
        case LONG:
            return toLongMeasure(builder, batchMeasure, data);
        case DOUBLE:
            return toDoubleMeasure(builder, batchMeasure, data);
        case BOOLEAN:
            return toBooleanMeasure(builder, batchMeasure, data);
        case STRING:
            return toStringMeasure(builder, batchMeasure);
        case LEVEL:
            return toLevelMeasure(builder, batchMeasure);
        case NO_VALUE:
            return toNoValueMeasure(builder, batchMeasure);
        default:
            throw new IllegalArgumentException("Unsupported Measure.ValueType " + metric.getType().getValueType());
        }
    }

    private static Optional<Measure> toIntegerMeasure(Measure.NewMeasureBuilder builder,
            BatchReport.Measure batchMeasure, @Nullable String data) {
        if (!batchMeasure.hasIntValue()) {
            return toNoValueMeasure(builder, batchMeasure);
        }
        return of(builder.create(batchMeasure.getIntValue(), data));
    }

    private static Optional<Measure> toLongMeasure(Measure.NewMeasureBuilder builder,
            BatchReport.Measure batchMeasure, @Nullable String data) {
        if (!batchMeasure.hasLongValue()) {
            return toNoValueMeasure(builder, batchMeasure);
        }
        return of(builder.create(batchMeasure.getLongValue(), data));
    }

    private static Optional<Measure> toDoubleMeasure(Measure.NewMeasureBuilder builder,
            BatchReport.Measure batchMeasure, @Nullable String data) {
        if (!batchMeasure.hasDoubleValue()) {
            return toNoValueMeasure(builder, batchMeasure);
        }
        return of(builder.create(batchMeasure.getDoubleValue(),
                // Decimals are not truncated in scanner report, so an arbitrary decimal scale is applied when reading values from report
                org.sonar.api.measures.Metric.MAX_DECIMAL_SCALE, data));
    }

    private static Optional<Measure> toBooleanMeasure(Measure.NewMeasureBuilder builder,
            BatchReport.Measure batchMeasure, @Nullable String data) {
        if (!batchMeasure.hasBooleanValue()) {
            return toNoValueMeasure(builder, batchMeasure);
        }
        return of(builder.create(batchMeasure.getBooleanValue(), data));
    }

    private static Optional<Measure> toStringMeasure(Measure.NewMeasureBuilder builder,
            BatchReport.Measure batchMeasure) {
        if (!batchMeasure.hasStringValue()) {
            return toNoValueMeasure(builder, batchMeasure);
        }
        return of(builder.create(batchMeasure.getStringValue()));
    }

    private static Optional<Measure> toLevelMeasure(Measure.NewMeasureBuilder builder,
            BatchReport.Measure batchMeasure) {
        if (!batchMeasure.hasStringValue()) {
            return toNoValueMeasure(builder, batchMeasure);
        }
        Optional<Measure.Level> level = Measure.Level.toLevel(batchMeasure.getStringValue());
        if (!level.isPresent()) {
            return toNoValueMeasure(builder, batchMeasure);
        }
        return of(builder.create(level.get()));
    }

    private static Optional<Measure> toNoValueMeasure(Measure.NewMeasureBuilder builder,
            BatchReport.Measure batchMeasure) {
        return of(builder.createNoValue());
    }
}