prod/net/jaekl/cfb/CFB.java

   1 package net.jaekl.cfb;
   2
   3 // Comparative FindBugs
   4 //
   5 // Tool to compare successive runs of FindBugs,
   6 // flagging the change from one run to the next.
   7 //
   8 // Copyright (C) 2015 Christian Jaekl
   9
  10 import java.io.File;
  11 import java.io.IOException;
  12 import java.io.PrintWriter;
  13 import java.sql.Connection;
  14 import java.sql.SQLException;
  15 import java.text.MessageFormat;
  16 import java.util.Locale;
  17
  18 import net.jaekl.cfb.analyze.Analysis;
  19 import net.jaekl.cfb.analyze.Analyzer;
  20 import net.jaekl.cfb.db.CfbSchema;
  21 import net.jaekl.cfb.db.driver.DbDriver;
  22 import net.jaekl.cfb.db.driver.PostgresqlDriver;
  23 import net.jaekl.qd.xml.XmlParseException;
  24
  25 import org.apache.commons.cli.CommandLine;
  26 import org.apache.commons.cli.GnuParser;
  27 import org.apache.commons.cli.HelpFormatter;
  28 import org.apache.commons.cli.Options;
  29 import org.apache.commons.cli.ParseException;
  30
  31 public class CFB {
  32         DbDriver m_driver;
  33         CfbSchema m_schema;
  34         CfbBundle m_bundle;
  35         Locale m_locale;
  36
  37         // Command-line parameters
  38         String m_dbName; // db name
  39         File m_fbp;             // FindBugsProject file
  40         File m_fbDir;   // Directory where FindBugs is installed
  41         String m_host;  // db host
  42         int m_port;             // db port
  43         String m_user;  // db user
  44         String m_pass;  // db password
  45
  46         CFB(Locale locale) {
  47                 m_driver = new PostgresqlDriver();
  48                 m_schema = new CfbSchema(m_driver);
  49                 m_locale = locale;
  50                 m_bundle = CfbBundle.getInst(m_locale);
  51
  52                 m_dbName = "CFB";
  53                 m_fbp    = null;
  54                 m_fbDir  = null;
  55                 m_host = "localhost";
  56                 m_port = 5432;
  57                 m_pass = "";
  58                 m_user = "user";
  59         }
  60
  61         Options createOptions() {
  62                 Options opt = new Options();
  63
  64                 opt.addOption("d", "dbname", true, "DB name");
  65                 opt.addOption("f", "fbp",    true, "FindBugsProject file");
  66                 opt.addOption("h", "host",   true, "DB hostname");
  67                 opt.addOption("p", "pass",   true, "DB password");
  68                 opt.addOption("t", "port",   true, "DB port");
  69                 opt.addOption("u", "user",   true, "DB username");
  70
  71                 return opt;
  72         }
  73
  74         boolean parseArgs(PrintWriter pw, String[] args) {
  75                 Options opt = createOptions();
  76
  77                 try {
  78                         CommandLine line = new GnuParser().parse(opt, args);
  79                         if (line.hasOption("d")) {
  80                                 m_dbName = line.getOptionValue("d");
  81                         }
  82                         if (line.hasOption("f")) {
  83                                 m_fbp = new File(line.getOptionValue("f"));
  84                         }
  85                         if (line.hasOption("h")) {
  86                                 m_host = line.getOptionValue("h");
  87                         }
  88                         if (line.hasOption("p")) {
  89                                 m_pass = line.getOptionValue("p");
  90                         }
  91                         if (line.hasOption("t")) {
  92                                 m_port = Integer.parseInt(line.getOptionValue("t"));
  93                         }
  94                         if (line.hasOption("u")) {
  95                                 m_user = line.getOptionValue("u");
  96                         }
  97                 }
  98                 catch (ParseException exc) {
  99                         usage(pw, opt);
 100                         return false;
 101                 }
 102
 103                 return true;
 104         }
 105
 106         void usage(PrintWriter pw, Options opt) {
 107                 HelpFormatter help = new HelpFormatter();
 108                 help.printHelp(pw, 80, getClass().getName(), "", opt, 0, 0, "", true);
 109         }
 110
 111         String trans(String key) {
 112                 return m_bundle.get(key);
 113         }
 114
 115         String getenv(String varName) {
 116                 // This is a separate function so that we can override it at unit test time
 117                 return System.getenv(varName);
 118         }
 119
 120         String getProperty(String propName) {
 121                 // This is a separate function so that we can override it at unit test time
 122                 return System.getProperty(propName);
 123         }
 124
 125         void initArgs() {
 126                 String findBugsDir = getenv("FINDBUGS_HOME");
 127                 if (null != findBugsDir) {
 128                         m_fbDir = new File(findBugsDir);
 129                 }
 130                 findBugsDir = getProperty("findbugs.home");
 131                 if (null != findBugsDir) {
 132                         m_fbDir = new File(findBugsDir);
 133                 }
 134         }
 135
 136         void doMain(PrintWriter pw, String[] args) throws SQLException, IOException, XmlParseException {
 137                 initArgs();     // read environment and system properties
 138                 if ( ! parseArgs(pw, args) ) {
 139                         return;
 140                 }
 141
 142                 try (Connection con = m_driver.connect(m_host, m_port, m_dbName, m_user, m_pass)) {
 143                         m_schema.ensureDbInitialized(con);
 144                 }
 145                 catch (SQLException exc) {
 146                         String cannotConnectFormat = trans(CfbBundle.CANNOT_CONNECT);
 147                         String cannotConnect = MessageFormat.format(cannotConnectFormat, m_host, ""+m_port, m_dbName, m_user);
 148                         exc.printStackTrace(pw);
 149                         pw.println(cannotConnect);
 150                         return;
 151                 }
 152
 153                 File findBugsDir = (null != m_fbDir) ? m_fbDir : new File(".");
 154                 File workDir = new File(".");
 155                 Analyzer analyzer = new Analyzer(findBugsDir);
 156                 Analysis analysis = analyzer.analyze(pw, workDir, m_fbp);
 157                 if (null != analysis) {
 158                         // TODO
 159                 }
 160         }
 161
 162         public static void main(String[] args) {
 163                 CFB cfb = new CFB(Locale.getDefault());
 164
 165                 try (PrintWriter pw = new PrintWriter(System.out)){
 166                         cfb.doMain(pw, args);
 167                         pw.flush();
 168                 } catch (SQLException | IOException | XmlParseException exc) {
 169                         exc.printStackTrace();
 170                 }
 171         }
 172
 173 }