001 /**
002 * www.jcoverage.com
003 * Copyright (C)2003 jcoverage ltd.
004 *
005 * This file is part of jcoverage.
006 *
007 * jcoverage is free software; you can redistribute it and/or modify
008 * it under the terms of the GNU General Public License as published
009 * by the Free Software Foundation; either version 2 of the License,
010 * or (at your option) any later version.
011 *
012 * jcoverage is distributed in the hope that it will be useful, but
013 * WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * General Public License for more details.
016 *
017 * You should have received a copy of the GNU General Public License
018 * along with jcoverage; if not, write to the Free Software
019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
020 * USA
021 *
022 */
023 package com.jcoverage.coverage.reporting.html;
024
025 import java.util.Comparator;
026 import java.util.Set;
027 import java.util.TreeSet;
028
029 import org.apache.log4j.Logger;
030
031 import com.jcoverage.coverage.reporting.collation.JavaFileLine;
032 import com.jcoverage.coverage.reporting.collation.PackageSummaryPage;
033 import com.jcoverage.coverage.reporting.collation.ReportSummaryPackageLine;
034 import com.jcoverage.coverage.reporting.collation.ReportSummaryPage;
035 import com.jcoverage.reporting.Column;
036 import com.jcoverage.reporting.Line;
037 import com.jcoverage.reporting.LineCategory;
038 import com.jcoverage.reporting.Page;
039 import com.jcoverage.reporting.staticgen.StaticView;
040
041 /**
042 *
043 */
044 public class CoverageView implements StaticView {
045
046 static Logger logger=Logger.getLogger(CoverageView.class);
047
048 public final static int ASCENDING=1;
049 public final static int DESCENDING=-1;
050
051 Comparator packageComparator,fileComparator;
052 String label;
053 int direction;
054
055 class CoverageComparator implements Comparator {
056
057 Column column;
058 int direction;
059
060 CoverageComparator(Column column,int direction) {
061 this.column=column;
062 this.direction=direction;
063 }
064
065 public int compare(Object o1,Object o2) {
066 if (o1 instanceof Line && o2 instanceof Line) {
067
068 double cov1=((Double)((Line)o1).getField(column)).doubleValue();
069 double cov2=((Double)((Line)o2).getField(column)).doubleValue();
070
071 if(logger.isDebugEnabled()) {
072 logger.debug("Comparing "+cov1+" with "+cov2);
073 }
074
075 if (o1.equals(o2)) {
076 return 0;
077 } else if (cov1<cov2) {
078 return direction;
079 } else {
080 return -direction;
081 }
082 } else {
083 throw new ClassCastException("Arguments must both be of type "+Line.class.getName());
084 }
085 }
086 }
087
088 public CoverageView(String label,int direction) {
089 this.label=label;
090 this.direction=direction;
091 this.packageComparator=new CoverageComparator(ReportSummaryPackageLine.COLUMN_AVERAGE_COVERAGE,direction);
092 this.fileComparator=new CoverageComparator(JavaFileLine.COLUMN_COVERAGE,direction);
093 }
094
095 public Set orderLines(Set lines,LineCategory category) {
096 if (category.equals(ReportSummaryPage.CATEGORY_PACKAGE_SUMMARY)) {
097 Set set=new TreeSet(packageComparator);
098 set.addAll(lines);
099 return set;
100 } else if (category.equals(PackageSummaryPage.CATEGORY_JAVAFILES)) {
101 Set set=new TreeSet(fileComparator);
102 set.addAll(lines);
103 return set;
104 } else {
105 throw new IllegalArgumentException("Illegal category "+category);
106 }
107 }
108
109 public String getFilenameModifier(Page page) {
110 if (page.getClass().equals(ReportSummaryPage.class) || page.getClass().equals(PackageSummaryPage.class)) {
111 switch(direction) {
112 case ASCENDING: return "cova";
113 default: return "covd";
114 }
115 } else {
116 return null;
117 }
118 }
119
120 public String getLabel() {
121 return label;
122 }
123
124 }