001/* 002 * SonarQube 003 * Copyright (C) 2009-2017 SonarSource SA 004 * mailto:info AT sonarsource DOT com 005 * 006 * This program is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * This program is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public License 017 * along with this program; if not, write to the Free Software Foundation, 018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 019 */ 020package org.sonar.api.ce.measure.test; 021 022import java.util.HashSet; 023import java.util.List; 024import java.util.Set; 025import org.sonar.api.ce.measure.MeasureComputer; 026import org.sonar.api.measures.CoreMetrics; 027import org.sonar.api.measures.Metric; 028 029import static com.google.common.base.Preconditions.checkArgument; 030import static java.util.Arrays.asList; 031import static java.util.Collections.unmodifiableSet; 032import static java.util.Objects.requireNonNull; 033 034public class TestMeasureComputerDefinition implements MeasureComputer.MeasureComputerDefinition { 035 036 private final Set<String> inputMetricKeys; 037 private final Set<String> outputMetrics; 038 039 private TestMeasureComputerDefinition(MeasureComputerDefinitionBuilderImpl builder) { 040 this.inputMetricKeys = unmodifiableSet(new HashSet<>(asList(builder.inputMetricKeys))); 041 this.outputMetrics = unmodifiableSet(new HashSet<>(asList(builder.outputMetrics))); 042 } 043 044 @Override 045 public Set<String> getInputMetrics() { 046 return inputMetricKeys; 047 } 048 049 @Override 050 public Set<String> getOutputMetrics() { 051 return outputMetrics; 052 } 053 054 public static class MeasureComputerDefinitionBuilderImpl implements Builder { 055 056 private String[] inputMetricKeys = new String[] {}; 057 private String[] outputMetrics; 058 059 @Override 060 public Builder setInputMetrics(String... inputMetrics) { 061 this.inputMetricKeys = validateInputMetricKeys(inputMetrics); 062 return this; 063 } 064 065 @Override 066 public Builder setOutputMetrics(String... outputMetrics) { 067 this.outputMetrics = validateOutputMetricKeys(outputMetrics); 068 return this; 069 } 070 071 @Override 072 public MeasureComputer.MeasureComputerDefinition build() { 073 validateInputMetricKeys(this.inputMetricKeys); 074 validateOutputMetricKeys(this.outputMetrics); 075 return new TestMeasureComputerDefinition(this); 076 } 077 078 private static String[] validateInputMetricKeys(String[] inputMetrics) { 079 requireNonNull(inputMetrics, "Input metrics cannot be null"); 080 checkNotNull(inputMetrics); 081 return inputMetrics; 082 } 083 084 private static String[] validateOutputMetricKeys(String[] outputMetrics) { 085 requireNonNull(outputMetrics, "Output metrics cannot be null"); 086 checkArgument(outputMetrics.length > 0, "At least one output metric must be defined"); 087 088 List<String> outputMetricKeys = asList(outputMetrics); 089 CoreMetrics.getMetrics().stream() 090 .map(Metric::getKey) 091 .forEach(metricKey -> checkArgument(!outputMetricKeys.contains(metricKey), "Core metrics are not allowed")); 092 checkNotNull(outputMetrics); 093 return outputMetrics; 094 } 095 096 private static void checkNotNull(String[] metrics) { 097 for (String metric : metrics) { 098 requireNonNull(metric, "Null metric is not allowed"); 099 } 100 } 101 } 102}