protected void executeQuery(Statement stmt, String q) throws SQLException {
q = q.replace("$PREFIX", getPrefix());
LOG.info(" Executing " + q);
ResultSet rs = stmt.executeQuery(q);
StringBuilder header = new StringBuilder();
for (int i = 1; i <= rs.getMetaData().getColumnCount(); i++) {
if (i > 1) {
header.append("|");
}
header.append(rs.getMetaData().getColumnName(i));
}
LOG.info(header);
int seq = 0;
while (true) {
boolean valid = rs.next();
if (!valid) break;
seq++;
StringBuilder line = new StringBuilder();
for (int i = 1; i <= rs.getMetaData().getColumnCount(); i++) {
if (i > 1) {
line.append("|");
}
line.append(rs.getString(i));
}
LOG.info(seq + ":" + line);
}
}
/** EJECUTA UNA CONSULTA Y GENERA LA TABLA HTML */
protected String getHTML(String SQL) throws Exception {
StringBuffer html = new StringBuffer();
html.append("<TABLE border='1'>");
html.append("<TR>");
if (conectar()) {
ResultSet rs = ejecutarSQL(SQL);
ResultSetMetaData rsm = rs.getMetaData();
html.append("<TR>");
for (int i = 1; i <= rsm.getColumnCount(); i++) {
html.append("<TH>" + rsm.getColumnName(i) + "</TH>");
}
html.append("</TR>");
while (rs.next()) {
html.append("<TR>");
for (int i = 1; i <= rsm.getColumnCount(); i++) {
html.append("<TD>" + rs.getString(i) + ".</TD>");
}
html.append("</TR>");
}
desconectar();
}
html.append("</TR>");
html.append("</TABLE>");
return html.toString();
} // Fin getHTML
protected ArrayList<String> getSQL(String SQL) throws Exception {
StringBuffer html = new StringBuffer();
ArrayList<String> v = new ArrayList<String>();
if (conectar()) {
ResultSet rs = ejecutarSQL(SQL);
ResultSetMetaData rsm = rs.getMetaData();
while (rs.next()) {
String r = "";
for (int i = 1; i <= rsm.getColumnCount(); i++) {
r += rs.getString(i) + "-";
}
v.add(r);
}
desconectar();
}
return v;
} // Fin getHTML
/** EJECUTA UNA CONSULTA Y GENERA XML */
protected String getXML() throws Exception {
StringBuffer xml = new StringBuffer();
xml.append("<registros>");
if (conectar()) {
ResultSet rs = ejecutarSQL(this.SQL);
while (rs.next()) {
ResultSetMetaData rsm = rs.getMetaData();
xml.append("<registro>");
for (int i = 1; i <= rsm.getColumnCount(); i++) {
xml.append("<" + rsm.getColumnName(i) + ">");
xml.append(rs.getString(i));
xml.append("</" + rsm.getColumnName(i) + ">");
}
xml.append("</registro>");
}
desconectar();
}
xml.append("</registros>");
return xml.toString();
} // Fin getXML
//
// Find all the methods for java.sql objects in the Connection which raise
// SQLFeatureNotSupportedException.
//
private void connectionWorkhorse(
Connection conn, HashSet<String> unsupportedList, HashSet<String> notUnderstoodList)
throws Exception {
vetSavepoint(conn, unsupportedList, notUnderstoodList);
vetLargeObjects(conn, unsupportedList, notUnderstoodList);
DatabaseMetaData dbmd = conn.getMetaData();
PreparedStatement ps = conn.prepareStatement("select * from sys.systables where tablename = ?");
ps.setString(1, "foo");
ParameterMetaData parameterMetaData = ps.getParameterMetaData();
ResultSet rs = ps.executeQuery();
ResultSetMetaData rsmd = rs.getMetaData();
Statement stmt = conn.createStatement();
CallableStatement cs = conn.prepareCall("CALL SYSCS_UTIL.SET_RUNTIMESTATISTICS(0)");
ParameterMetaData csmd = cs.getParameterMetaData();
//
// The vetObject() method calls all of the methods in these objects
// in a deterministic order, calling the close() method last.
// Inspect these objects in an order which respects the fact that
// the objects are closed as a result of calling vetObject().
//
vetObject(dbmd, unsupportedList, notUnderstoodList);
vetObject(stmt, unsupportedList, notUnderstoodList);
vetObject(csmd, unsupportedList, notUnderstoodList);
vetObject(cs, unsupportedList, notUnderstoodList);
vetObject(rsmd, unsupportedList, notUnderstoodList);
vetObject(rs, unsupportedList, notUnderstoodList);
vetObject(parameterMetaData, unsupportedList, notUnderstoodList);
vetObject(ps, unsupportedList, notUnderstoodList);
vetObject(conn, unsupportedList, notUnderstoodList);
// No need to close the objects. They were closed by vetObject().
}
/**
* M�todo de prueba Recibe como argumento el nombre del archivo de configuracion. Para usarlo:
* java JDBCMiddler archivo.conf
*/
protected static void main(String args[]) throws Exception {
// Se recibe como argumento del main el archivo de
// configuracion que contiene el driver
// la url, el login y la clave
String parametros[] = leerParametros(args[0]);
int n = 1;
JDBCMiddler middler =
new JDBCMiddler(parametros[0], parametros[1], parametros[2], parametros[3]);
if (middler.conectar()) {
System.out.println(parametros[4]);
ResultSet rs = middler.ejecutarSQL(parametros[4]);
while (rs.next()) {
ResultSetMetaData rsm = rs.getMetaData();
System.out.println("****************************");
System.out.println("Registro: " + (n++));
for (int i = 1; i <= rsm.getColumnCount(); i++) {
System.out.print(rsm.getColumnName(i) + ": ");
System.out.println(rs.getString(i));
}
}
middler.desconectar();
System.out.println("todo bien");
}
} // fin main
