diff options
Diffstat (limited to 'src/com/benlinskey/grdbc/SyntaxCreator.java')
| -rw-r--r-- | src/com/benlinskey/grdbc/SyntaxCreator.java | 171 |
1 files changed, 169 insertions, 2 deletions
diff --git a/src/com/benlinskey/grdbc/SyntaxCreator.java b/src/com/benlinskey/grdbc/SyntaxCreator.java index 10637aa..014b7ca 100644 --- a/src/com/benlinskey/grdbc/SyntaxCreator.java +++ b/src/com/benlinskey/grdbc/SyntaxCreator.java @@ -31,12 +31,178 @@ import javax.xml.parsers.ParserConfigurationException; import org.xml.sax.SAXException; /** - * Reads in an XML file containing the Overview of Greek Syntax text and stores + * Reads in an XML file containing the Overview of Greek Syntax text and stores * sections of the text in an SQLite database. +<<<<<<< HEAD + * <p> + * Note that the Sources Cited section is omitted, as it is on Perseus. + * +======= +>>>>>>> master * @author Ben Linskey - * + * */ public class SyntaxCreator { +<<<<<<< HEAD + private final static String FILE = "../xml/Perseus_text_1999.04.0052.xml"; + private final static String DB = "syntax.db"; + private final static String TABLE_NAME = "syntax"; + private Connection connection; + private PreparedStatement insertStatement; + + /** + * Class constructor. + */ + public SyntaxCreator() { + // Load driver. + try { + Class.forName("org.sqlite.JDBC"); + } catch (ClassNotFoundException e) { + e.printStackTrace(); + System.exit(1); + } + + // Connect to database. + try { + connection = DriverManager.getConnection("jdbc:sqlite:" + DB); + } catch (SQLException e) { + e.printStackTrace(); + System.exit(1); + } + + // Use batch inserts for speed. + try { + connection.setAutoCommit(false); + } catch (SQLException e) { + e.printStackTrace(); + System.exit(1); + } + + createDatabase(); + + // Create a prepared statement to use when inserting entries. + try { + insertStatement = connection.prepareStatement("INSERT INTO " + + TABLE_NAME + " VALUES (NULL, ?, ?, ?)"); + } catch (SQLException e) { + e.printStackTrace(); + System.exit(1); + } + } + + /** + * Creates the Overview of Greek Syntax database. + */ + public void run() { + addSections(); + try { + insertStatement.close(); + connection.close(); + } catch (SQLException e) { + e.printStackTrace(); + System.exit(1); + } + System.out.println("Done."); + } + + /** + * Resets the database if it already exists and creates a new, empty + * database. + */ + private void createDatabase() { + System.out.println("Creating lexicon database..."); + try { + String dropTable = "DROP TABLE IF EXISTS " + TABLE_NAME; + String createTable = "CREATE TABLE " + TABLE_NAME + " (" + + "_ID INTEGER PRIMARY KEY, " + + "chapter VARCHAR(100), " + "section VARCHAR(100), " + + "xml TEXT)"; + Statement statement = connection.createStatement(); + statement.executeUpdate(dropTable); + statement.executeUpdate(createTable); + connection.commit(); + statement.close(); + } catch (SQLException e) { + e.printStackTrace(); + System.exit(1); + } + } + + /** + * Parses the XML file, modifies the sections, and inserts the modified data + * into the database. + */ + private void addSections() { + System.out.println("Inserting data..."); + + String chapter = null; + String section = null; + StringBuilder xml = new StringBuilder(); + Pattern pattern = Pattern.compile("<head>(.*?)</head>"); + + try { + BufferedReader in = new BufferedReader(new FileReader(FILE)); + while (in.ready()) { + String line = in.readLine(); + if (line.startsWith("<div1")) { + // Get chapter title. + line = in.readLine(); // Next line is "head" element with + // title. + Matcher matcher = pattern.matcher(line); + matcher.find(); + chapter = matcher.group(1); + } else if (line.startsWith("<div2")) { + // Get section title. + line = in.readLine(); // Next line is "head" element with + // title. + Matcher matcher = pattern.matcher(line); + matcher.find(); + section = matcher.group(1); + + // Reset XML and add "head" element. + xml.delete(0, xml.length()); + xml.append("<section>"); + xml.append(line); + } else if (line.contains("</div2>")) { + // Get any XML before the "</div2>" tag. + String[] split = line.split("</div2>"); + xml.append(split[0]); + + // Add closing root tag. + xml.append("</section>"); + + SyntaxParser parser = new SyntaxParser(xml.toString()); + String transcodedXml = parser.transcode(); + + // Add data to database. + insertStatement.setString(1, chapter); + insertStatement.setString(2, section); + insertStatement.setString(3, transcodedXml); + insertStatement.addBatch(); + } else { + // Get next line of XML. + xml.append(line); + } + } + in.close(); + + insertStatement.executeBatch(); + connection.commit(); + } catch (SQLException e) { + e.printStackTrace(); + System.exit(1); + } catch (IOException e) { + e.printStackTrace(); + System.exit(1); + } catch (ParserConfigurationException e) { + e.printStackTrace(); + System.exit(1); + } catch (SAXException e) { + e.printStackTrace(); + System.exit(1); + } + } +======= private final static String FILE = "../xml/Perseus_text_1999.04.0052.xml"; private final static String DB = "syntax.db"; private final static String TABLE_NAME = "syntax"; @@ -214,4 +380,5 @@ public class SyntaxCreator { System.exit(1); } } +>>>>>>> master } |