001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2011 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar 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 * Sonar 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 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.plugins.core.sensors; 021 022 import org.apache.commons.lang.NotImplementedException; 023 import org.apache.commons.lang.StringUtils; 024 import org.sonar.api.measures.Measure; 025 import org.sonar.api.measures.Metric; 026 import org.sonar.api.profiles.Alert; 027 028 public final class AlertUtils { 029 private AlertUtils() { 030 } 031 032 /** 033 * Get the matching alert level for the given measure 034 */ 035 public static Metric.Level getLevel(Alert alert, Measure measure) { 036 if (evaluateAlert(alert, measure, Metric.Level.ERROR)) { 037 return Metric.Level.ERROR; 038 } 039 if (evaluateAlert(alert, measure, Metric.Level.WARN)) { 040 return Metric.Level.WARN; 041 } 042 return Metric.Level.OK; 043 } 044 045 private static boolean evaluateAlert(Alert alert, Measure measure, Metric.Level alertLevel) { 046 String valueToEval; 047 if (alertLevel.equals(Metric.Level.ERROR)) { 048 valueToEval = alert.getValueError(); 049 050 } else if (alertLevel.equals(Metric.Level.WARN)) { 051 valueToEval = alert.getValueWarning(); 052 } else { 053 throw new IllegalStateException(alertLevel.toString()); 054 } 055 if (StringUtils.isEmpty(valueToEval)) { 056 return false; 057 } 058 059 Comparable criteriaValue = getValueForComparison(alert.getMetric(), valueToEval); 060 Comparable metricValue = getMeasureValue(alert.getMetric(), measure); 061 062 int comparison = metricValue.compareTo(criteriaValue); 063 if (alert.isNotEqualsOperator() && comparison == 0 || 064 alert.isGreaterOperator() && comparison != 1 || 065 alert.isSmallerOperator() && comparison != -1 || 066 alert.isEqualsOperator() && comparison != 0) { 067 return false; 068 } 069 return true; 070 } 071 072 073 private static Comparable<?> getValueForComparison(Metric metric, String value) { 074 if (metric.getType() == Metric.ValueType.FLOAT || 075 metric.getType() == Metric.ValueType.PERCENT) { 076 return Double.parseDouble(value); 077 } 078 if (metric.getType() == Metric.ValueType.INT || 079 metric.getType() == Metric.ValueType.MILLISEC) { 080 return value.contains(".") ? Integer.parseInt(value.substring(0, value.indexOf('.'))) : Integer.parseInt(value); 081 } 082 if (metric.getType() == Metric.ValueType.STRING || 083 metric.getType() == Metric.ValueType.LEVEL) { 084 return value; 085 } 086 if (metric.getType() == Metric.ValueType.BOOL) { 087 return Boolean.valueOf(value); 088 } 089 if (metric.getType() == Metric.ValueType.RATING) { 090 return Double.parseDouble(value); 091 } 092 throw new NotImplementedException(metric.getType().toString()); 093 } 094 095 private static Comparable<?> getMeasureValue(Metric metric, Measure measure) { 096 if (metric.getType() == Metric.ValueType.FLOAT || 097 metric.getType() == Metric.ValueType.PERCENT) { 098 return measure.getValue(); 099 } 100 if (metric.getType() == Metric.ValueType.INT || 101 metric.getType() == Metric.ValueType.MILLISEC) { 102 return measure.getValue().intValue(); 103 } 104 if (metric.getType() == Metric.ValueType.STRING || 105 metric.getType() == Metric.ValueType.LEVEL) { 106 return measure.getData(); 107 } 108 if (metric.getType() == Metric.ValueType.BOOL) { 109 return measure.getValue() == 0d ? Boolean.FALSE : Boolean.TRUE; 110 } 111 if (metric.getType() == Metric.ValueType.RATING) { 112 return measure.getValue(); 113 } 114 throw new NotImplementedException(metric.getType().toString()); 115 } 116 }