001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2012 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.squid.bridges; 021 022 import org.sonar.api.measures.CoreMetrics; 023 import org.sonar.api.resources.Resource; 024 import org.sonar.squid.api.SourceFile; 025 import org.sonar.squid.measures.Metric; 026 027 public class ChidamberKemererBridge extends Bridge { 028 029 protected ChidamberKemererBridge() { 030 super(true); 031 } 032 033 @Override 034 public final void onFile(SourceFile squidFile, Resource sonarFile) { 035 context.saveMeasure(sonarFile, CoreMetrics.DEPTH_IN_TREE, squidFile.getDouble(Metric.DIT)); 036 context.saveMeasure(sonarFile, CoreMetrics.NUMBER_OF_CHILDREN, squidFile.getDouble(Metric.NOC)); 037 context.saveMeasure(sonarFile, CoreMetrics.RFC, squidFile.getDouble(Metric.RFC)); 038 context.saveMeasure(sonarFile, CoreMetrics.LCOM4, getLcom4(squidFile)); 039 } 040 041 static double getLcom4(SourceFile squidFile) { 042 // Squid API does not support null values, so sometimes it returns LCOM4 values with value 0. It occurs 043 // for example with files without any classes, like package-info.java. 044 // Minimum value must be 1. 045 return Math.max(squidFile.getDouble(Metric.LCOM4), 1.0); 046 } 047 }