/* MetricsAnalyzer * Copyright (C) 2002  TIKE (tike.mmm.fi) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., 59 * Temple Place - Suite 330, Boston, MA  02111-1307, USA. */package metricsanalyzer.api;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileOutputStream;import java.io.PrintWriter;import javax.swing.table.TableModel;import javax.xml.parsers.SAXParserFactory;import metricsanalyzer.util.io.Files;import metricsanalyzer.util.xml.SAXDispatchHandler;import metricsanalyzer.util.xml.XMLWriter;import org.xml.sax.Attributes;/** * Represents a metrics analyzer project. */public class Project {  public static final String DTD    = "<!DOCTYPE metrics_analyzer_project [\n"    + "  <!ELEMENT metrics_analyzer_project (imports?, queries?, database?)>\n"    + "    <!ELEMENT imports                (import*)>\n"    + "      <!ELEMENT import               (file_name, class_name)>\n"    + "        <!ELEMENT file_name          (#PCDATA)>\n"    + "        <!ELEMENT class_name         (#PCDATA)>\n"    + "    <!ELEMENT queries                (query*)>\n"    + "      <!ELEMENT query                (file_name)>\n"    + "    <!ELEMENT database               (driver, url, user, password?, basename)>\n"    + "      <!ELEMENT driver               (#PCDATA)>\n"    + "      <!ELEMENT url                  (#PCDATA)>\n"    + "      <!ELEMENT user                 (#PCDATA)>\n"    + "      <!ELEMENT password             (#PCDATA)>\n"    + "      <!ELEMENT basename             (#PCDATA)>\n"    + "]>\n"    ;  // *** Facade interface ***  public static Project load(File file) throws Exception {    Project project = new Project();    Handler handler = new Handler(project);    SAXParserFactory.newInstance().newSAXParser().parse(file, handler);    if (!handler.valid)      throw new RuntimeException("Not a valid project file");    return project;  }  public void save(File file) throws Exception {    XMLWriter writer = new XMLWriter(new PrintWriter(new BufferedOutputStream(new FileOutputStream(file))));    writer.open();    writer.printComment("This is generated XML. Do not edit!");    writer.printDTD(DTD);    writer.beginElement("metrics_analyzer_project");    // MetricsImportList    if (0 != importList.getSize()) {      writer.beginElement("imports");      for (int i=0; i<importList.getSize(); ++i) {        writer.beginElement("import");        ImportList.Entry entry = (ImportList.Entry)importList.getElementAt(i);        writer.printElement("file_name", entry.file.getPath());        writer.printElement("class_name", entry.importer.getClass().getName());        writer.endElement();      }      writer.endElement();    }    // QueryList    if (0 < queryList.getSize()) {      writer.beginElement("queries");      for (int i=0; i<queryList.getSize(); ++i) {        writer.beginElement("query");        writer.printElement("file_name", ((QueryList.Entry)queryList.getElementAt(i)).file.getPath());        writer.endElement();      }      writer.endElement();    }    // Database    if (null != database) {      writer.beginElement("database");      writer.printElement("driver", database.driver);      writer.printElement("url", database.url);      writer.printElement("user", database.user);      if (null != database.password)        writer.printElement("password", database.password);      writer.printElement("basename", database.basename);      writer.endElement();    }    writer.endElement();    writer.close();  }  public void addImporter(File file, String importerClassName) throws Exception {    getImportList().add(file, importerClassName);  }  public void removeImporters(int[] selectedIndices) {    getImportList().remove(selectedIndices);  }  public void createTables() throws Exception {    getDatabase().createTables();  }  public void dropTables() throws Exception {    getDatabase().dropTables();  }  public void importAs(String name) throws Exception {    getDatabase().historyList.add(name, getImportList());  }  public void removeSnapshots(int[] selectedIndices) throws Exception {    getDatabase().historyList.remove(selectedIndices);  }  public void loadQuery(File file) throws Exception {    getQueryList().add(new QueryList.Entry(file,                                           Files.readFile(file)));  }  public void removeQueries(int[] selectedIndices) {    getQueryList().remove(selectedIndices);  }  public TableModel[] executeQuery(String query,                                   int selectedIndex,                                   int[] selectedIndices) throws Exception {    return getDatabase().executeQuery(query,                                      selectedIndex,                                      selectedIndices);  }  public void setLogging(boolean onOff) {    getDatabase().setLogging(onOff);  }  // *** Accessors and Mutators ***  public ImportList getImportList() {    return importList;  }    public QueryList getQueryList() {    return queryList;  }  public Database getDatabase() {    return database;  }  public void setDatabase(Database database) {    this.database = database;  }  // *** Implementation ***  private ImportList importList = new ImportList();  private QueryList queryList = new QueryList();  private Database database = null;  public static class Handler extends SAXDispatchHandler {    Handler(Project project) throws Exception {      this.project = project;    }    public void start_metrics_analyzer_project(Attributes attr) {      valid = true;    }    // ImportList    public void chars_file_name_import(String data) {      importFile = data;    }    public void chars_class_name_import(String data) {      importClass = data;    }    public void end_import() throws Exception {      project.importList.add(new File(importFile), importClass);    }    private String importFile;    private String importClass;    // QueryList    public void chars_file_name_query(String data) {      try {        project.loadQuery(new File(data));      } catch (Exception e) {        System.err.print("While reading query: ");        e.printStackTrace();      }    }    // Database    public void chars_driver_database(String data) {      databaseDriver = data;    }    public void chars_url_database(String data) {      databaseURL = data;    }    public void chars_user_database(String data) {      databaseUser = data;    }    public void chars_password_database(String data) {      databasePassword = data;    }    public void chars_basename_database(String data) {      databaseBasename = data;    }    public void end_database() throws Exception {      project.database = new Database(databaseDriver,                                      databaseURL,                                      databaseUser,                                      databasePassword,                                      databaseBasename);    }    private String databaseDriver;    private String databaseURL;    private String databaseUser;    private String databasePassword;    private String databaseBasename;    boolean valid = false;    private Project project;  }}