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1   package net.sf.statcvs.pages;
2   
3   import java.util.ArrayList;
4   import java.util.Collections;
5   import java.util.HashMap;
6   import java.util.Iterator;
7   import java.util.List;
8   import java.util.Map;
9   
10  import net.sf.statcvs.Messages;
11  import net.sf.statcvs.charts.ChartImage;
12  import net.sf.statcvs.charts.LOCChartMaker.DirectoryLOCChartMaker;
13  import net.sf.statcvs.model.Commit;
14  import net.sf.statcvs.model.Directory;
15  import net.sf.statcvs.model.Repository;
16  import net.sf.statcvs.model.Revision;
17  import net.sf.statcvs.model.VersionedFile;
18  import net.sf.statcvs.output.ReportConfig;
19  import net.sf.statcvs.output.WebRepositoryIntegration;
20  import net.sf.statcvs.reports.AuthorsForDirectoryTableReport;
21  
22  /**
23   * @author anja
24   * @author Richard Cyganiak (richard@cyganiak.de)
25   * @version $Id: DirectoryPageMaker.java,v 1.9 2008/04/02 11:22:14 benoitx Exp $
26   */
27  public class DirectoryPageMaker {
28      private final static int RECENT_COMMITS_LENGTH = 20;
29  
30      public static String getURL(final Directory directory) {
31          return getFilename(directory) + ".html";
32      }
33  
34      private static String getFilename(final Directory directory) {
35          return "dir" + HTML.escapeDirectoryName(directory.getPath());
36      }
37  
38      private final ReportConfig config;
39      private final Repository repository;
40      private final Directory directory;
41  
42      public DirectoryPageMaker(final ReportConfig config, final Directory directory) {
43          this.config = config;
44          this.repository = config.getRepository();
45          this.directory = directory;
46      }
47  
48      public Page toFile() {
49          final ChartImage chart = new DirectoryLOCChartMaker(this.config, this.directory).toFile();
50  
51          final String title = "Directory " + (this.directory.isRoot() ? "[root]" : this.directory.getPath());
52          final Page page = this.config.createPage(getFilename(this.directory), title, title);
53          if (!this.directory.getRevisions().isEmpty() && isInitiallyEmpty()) {
54              page.addAttribute("Directory Created", ((Revision) this.directory.getRevisions().first()).getDate());
55          }
56          if (!this.directory.getRevisions().isEmpty() && getCurrentFileCount() == 0) {
57              page.addAttribute("Directory Deleted", ((Revision) this.directory.getRevisions().last()).getDate());
58          }
59          page.addAttribute("Total Files", getCurrentFileCount());
60          page.addAttribute("Deleted Files", getDeadFileCount());
61          page.addAttribute("Lines of Code", getCurrentLOC());
62          if (this.config.getWebRepository() != null) {
63              final WebRepositoryIntegration rep = this.config.getWebRepository();
64              final String text = Messages.getString("BROWSE_WEB_REPOSITORY") + " " + rep.getName();
65              page.addLink(rep.getDirectoryUrl(this.directory), text);
66          }
67          page.add(this.directory, true);
68          ;
69          if (chart != null) {
70              page.addSection(Messages.getString("LOC_TITLE"));
71              page.add(chart);
72          }
73          if (!this.directory.getRevisions().isEmpty()) {
74              page.addSection("Developers");
75              page.add(new AuthorsForDirectoryTableReport(this.config, this.directory));
76          }
77          final List dirCommits = getCommitsInDirectory();
78          if (!dirCommits.isEmpty()) {
79              page.addSection(Messages.getString("MOST_RECENT_COMMITS"));
80              final CommitListFormatter renderer = new CommitListFormatter(this.config, dirCommits, Collections.EMPTY_LIST, RECENT_COMMITS_LENGTH, false);
81              page.addRawContent(renderer.render());
82          }
83          return page;
84      }
85  
86      private Commit getCommit(final Revision rev) {
87          final Iterator it = this.repository.getCommits().iterator();
88          while (it.hasNext()) {
89              final Commit commit = (Commit) it.next();
90              if (commit.getRevisions().contains(rev)) {
91                  return commit;
92              }
93          }
94          return null;
95      }
96  
97      private List getCommitsInDirectory() {
98          final Map commitsToFilteredCommits = new HashMap();
99          final Iterator it = this.directory.getRevisions().iterator();
100         while (it.hasNext()) {
101             final Revision rev = (Revision) it.next();
102             final Commit commit = getCommit(rev);
103             if (commit == null) {
104                 continue;
105             }
106             if (commitsToFilteredCommits.containsKey(commit)) {
107                 final Commit filteredCommit = (Commit) commitsToFilteredCommits.get(commit);
108                 filteredCommit.addRevision(rev);
109             } else {
110                 final Commit filteredCommit = new Commit(rev);
111                 commitsToFilteredCommits.put(commit, filteredCommit);
112             }
113         }
114         final List commits = new ArrayList(commitsToFilteredCommits.values());
115         Collections.sort(commits);
116         return commits;
117     }
118 
119     private int getCurrentLOC() {
120         int result = 0;
121         final Iterator it = this.directory.getFiles().iterator();
122         while (it.hasNext()) {
123             final VersionedFile file = (VersionedFile) it.next();
124             result += file.getCurrentLinesOfCode();
125         }
126         return result;
127     }
128 
129     private int getCurrentFileCount() {
130         int result = 0;
131         final Iterator it = this.directory.getFiles().iterator();
132         while (it.hasNext()) {
133             final VersionedFile file = (VersionedFile) it.next();
134             if (!file.isDead()) {
135                 result++;
136             }
137         }
138         return result;
139     }
140 
141     private int getDeadFileCount() {
142         int result = 0;
143         final Iterator it = this.directory.getFiles().iterator();
144         while (it.hasNext()) {
145             final VersionedFile file = (VersionedFile) it.next();
146             if (file.isDead()) {
147                 result++;
148             }
149         }
150         return result;
151     }
152 
153     private boolean isInitiallyEmpty() {
154         final Iterator it = this.directory.getFiles().iterator();
155         while (it.hasNext()) {
156             final VersionedFile file = (VersionedFile) it.next();
157             if (!file.getInitialRevision().isInitialRevision()) {
158                 return false;
159             }
160         }
161         return true;
162     }
163 }