1 package SQLite; 2 3 import java.sql.*; 4 import java.util.Properties; 5 6 public class JDBCDriver implements java.sql.Driver { 7 8 public static final int MAJORVERSION = 1; 9 public static final int MINORVERSION = 2; 10 11 private static java.lang.reflect.Constructor makeConn = null; 12 13 protected Connection conn; 14 15 static { 16 try { 17 Class connClass = null; 18 Class args[] = new Class[2]; 19 args[0] = Class.forName("java.lang.String"); 20 args[1] = args[0]; 21 String jvers = java.lang.System.getProperty("java.version"); 22 String cvers; 23 if (jvers == null || jvers.startsWith("1.0")) { 24 throw new java.lang.Exception("unsupported java version"); 25 } else if (jvers.startsWith("1.1")) { 26 cvers = "SQLite.JDBC1.JDBCConnection"; 27 } else if (jvers.startsWith("1.2") || jvers.startsWith("1.3")) { 28 cvers = "SQLite.JDBC2.JDBCConnection"; 29 } else if (jvers.startsWith("1.4")) { 30 cvers = "SQLite.JDBC2x.JDBCConnection"; 31 } else if (jvers.startsWith("1.5")) { 32 cvers = "SQLite.JDBC2y.JDBCConnection"; 33 try { 34 Class.forName(cvers); 35 } catch (java.lang.Exception e) { 36 cvers = "SQLite.JDBC2x.JDBCConnection"; 37 } 38 } else { 39 cvers = "SQLite.JDBC2z.JDBCConnection"; 40 try { 41 Class.forName(cvers); 42 } catch (java.lang.Exception e) { 43 cvers = "SQLite.JDBC2y.JDBCConnection"; 44 try { 45 Class.forName(cvers); 46 } catch (java.lang.Exception ee) { 47 cvers = "SQLite.JDBC2x.JDBCConnection"; 48 } 49 } 50 } 51 connClass = Class.forName(cvers); 52 makeConn = connClass.getConstructor(args); 53 java.sql.DriverManager.registerDriver(new JDBCDriver()); 54 } catch (java.lang.Exception e) { 55 System.err.println(e); 56 } 57 } 58 59 public JDBCDriver() { 60 } 61 62 public boolean acceptsURL(String url) throws SQLException { 63 return url.startsWith("sqlite:/") || 64 url.startsWith("jdbc:sqlite:/"); 65 } 66 67 public Connection connect(String url, Properties info) 68 throws SQLException { 69 if (!acceptsURL(url)) { 70 return null; 71 } 72 Object args[] = new Object[2]; 73 args[0] = url; 74 if (info != null) { 75 args[1] = info.getProperty("encoding"); 76 } 77 if (args[1] == null) { 78 args[1] = java.lang.System.getProperty("SQLite.encoding"); 79 } 80 try { 81 conn = (Connection) makeConn.newInstance(args); 82 } catch (java.lang.reflect.InvocationTargetException ie) { 83 throw new SQLException(ie.getTargetException().toString()); 84 } catch (java.lang.Exception e) { 85 throw new SQLException(e.toString()); 86 } 87 return conn; 88 } 89 90 public int getMajorVersion() { 91 return MAJORVERSION; 92 } 93 94 public int getMinorVersion() { 95 return MINORVERSION; 96 } 97 98 public DriverPropertyInfo[] getPropertyInfo(String url, Properties info) 99 throws SQLException { 100 DriverPropertyInfo p[] = new DriverPropertyInfo[1]; 101 DriverPropertyInfo pp = new DriverPropertyInfo("encoding", ""); 102 p[0] = pp; 103 return p; 104 } 105 106 public boolean jdbcCompliant() { 107 return false; 108 } 109 } 110
