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Commit 0dae2932 authored by Olivier Bertrand's avatar Olivier Bertrand
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- New version of the java JdbcInterface 

  modified:   storage/connect/JdbcInterface.class
  modified:   storage/connect/JdbcInterface.java

- Ignore *.tlog and .res files
  modified:   .gitignore
parent f8bc587c
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Showing with 153 additions and 78 deletions
.gitignore
View file @ 0dae2932
......@@ -244,6 +244,8 @@ storage/mroonga/mysql-test/mroonga/storage/r/variable_version.result
*.exp
*.dep
*.idb
*.res
*.tlog
# Precompiled Headers
*.gch
......
storage/connect/JdbcInterface.class
View file @ 0dae2932
This diff was suppressed by a .gitattributes entry.
storage/connect/JdbcInterface.java
View file @ 0dae2932
import java.math.*;
import java.sql.*;
//import java.util.Arrays;
import java.util.Collections;
import java.util.List;
//import java.io.File;
//import java.lang.reflect.Field;
public class JdbcInterface {
boolean DEBUG = false;
String Errmsg = "No error";
Connection conn = null;
DatabaseMetaData dbmd = null;
Statement stmt = null;
......@@ -20,6 +24,20 @@ public class JdbcInterface {
public JdbcInterface(boolean b) {
DEBUG = b;
} // end of constructor
private void SetErrmsg(Exception e) {
if (DEBUG)
System.out.println(e.getMessage());
Errmsg = e.toString();
} // end of SetErrmsg
public String GetErrmsg() {
String err = Errmsg;
Errmsg = "No error";
return err;
} // end of GetErrmsg
public int JdbcConnect(String[] parms, int fsize, boolean scrollable) {
int rc = 0;
......@@ -32,7 +50,9 @@ public class JdbcInterface {
System.out.println("In try block");
if (parms[0] != null && !parms[0].isEmpty()) {
System.out.println("b is true!");
if (DEBUG)
System.out.println("Loading class" + parms[0]);
Class.forName(parms[0]); //loads the driver
} // endif driver
......@@ -76,50 +96,40 @@ public class JdbcInterface {
} // endif fsize
} catch(ClassNotFoundException e) {
System.err.println("ClassNotFoundException: " + e.getMessage());
rc = 1;
SetErrmsg(e);
rc = -1;
} catch (SQLException se) {
System.out.println("SQL Exception:");
// Loop through the SQL Exceptions
while (se != null) {
System.out.println("State : " + se.getSQLState());
System.out.println("Message: " + se.getMessage());
System.out.println("Error : " + se.getErrorCode());
se = se.getNextException();
} // end while se
rc = 2;
SetErrmsg(se);
rc = -2;
} catch( Exception e ) {
System.out.println(e);
rc = 3;
SetErrmsg(e);
rc = -3;
} // end try/catch
return rc;
} // end of JdbcConnect
public boolean CreatePrepStmt(String sql) {
boolean b = false;
public int CreatePrepStmt(String sql) {
int rc = 0;
try {
pstmt = conn.prepareStatement(sql);
} catch (SQLException se) {
System.out.println(se);
b = true;
SetErrmsg(se);
rc = -1;
} catch (Exception e) {
System.out.println(e);
b = true;
SetErrmsg(e);
rc = -2;
} // end try/catch
return b;
return rc;
} // end of CreatePrepStmt
public void SetStringParm(int i, String s) {
try {
pstmt.setString(i, s);
} catch (Exception e) {
System.out.println(e);
SetErrmsg(e);
} // end try/catch
} // end of SetStringParm
......@@ -128,7 +138,7 @@ public class JdbcInterface {
try {
pstmt.setInt(i, n);
} catch (Exception e) {
System.out.println(e);
SetErrmsg(e);
} // end try/catch
} // end of SetIntParm
......@@ -137,7 +147,7 @@ public class JdbcInterface {
try {
pstmt.setShort(i, n);
} catch (Exception e) {
System.out.println(e);
SetErrmsg(e);
} // end try/catch
} // end of SetShortParm
......@@ -146,7 +156,7 @@ public class JdbcInterface {
try {
pstmt.setLong(i, n);
} catch (Exception e) {
System.out.println(e);
SetErrmsg(e);
} // end try/catch
} // end of SetBigintParm
......@@ -155,8 +165,8 @@ public class JdbcInterface {
try {
pstmt.setFloat(i, f);
} catch (Exception e) {
System.out.println(e);
} // end try/catch
SetErrmsg(e);
} // end try/catch
} // end of SetFloatParm
......@@ -164,8 +174,8 @@ public class JdbcInterface {
try {
pstmt.setDouble(i, d);
} catch (Exception e) {
System.out.println(e);
} // end try/catch
SetErrmsg(e);
} // end try/catch
} // end of SetDoubleParm
......@@ -173,7 +183,7 @@ public class JdbcInterface {
try {
pstmt.setTimestamp(i, t);
} catch (Exception e) {
System.out.println(e);
SetErrmsg(e);
} // end try/catch
} // end of SetTimestampParm
......@@ -184,10 +194,10 @@ public class JdbcInterface {
if (pstmt != null) try {
n = pstmt.executeUpdate();
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
n = -1;
} catch (Exception e) {
System.out.println(e);
SetErrmsg(e);
n = -2;
} //end try/catch
......@@ -201,10 +211,10 @@ public class JdbcInterface {
pstmt.close();
pstmt = null;
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
b = true;
} catch (Exception e) {
System.out.println(e);
SetErrmsg(e);
b = true;
} // end try/catch
......@@ -220,26 +230,30 @@ public class JdbcInterface {
System.out.println("Cancelling statement");
stmt.cancel();
} catch(SQLException se) {
System.out.println(se);
SetErrmsg(se);
rc += 1;
} // nothing more we can do
// Close the statement and the connection
if (rs != null)
try {
System.out.println("Closing result set");
if (DEBUG)
System.out.println("Closing result set");
rs.close();
} catch(SQLException se) {
System.out.println(se);
SetErrmsg(se);
rc = 2;
} // nothing more we can do
if (stmt != null)
try {
System.out.println("Closing statement");
if (DEBUG)
System.out.println("Closing statement");
stmt.close();
} catch(SQLException se) {
System.out.println(se);
SetErrmsg(se);
rc += 4;
} // nothing more we can do
......@@ -247,14 +261,18 @@ public class JdbcInterface {
if (conn != null)
try {
System.out.println("Closing connection");
if (DEBUG)
System.out.println("Closing connection");
conn.close();
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
rc += 8;
} //end try/catch
System.out.println("All closed");
if (DEBUG)
System.out.println("All closed");
return rc;
} // end of JdbcDisconnect
......@@ -281,7 +299,8 @@ public class JdbcInterface {
} // endswitch n
} catch(Exception e) {
System.out.println(e);
SetErrmsg(e);
m = -1;
} // end try/catch
return m;
......@@ -300,7 +319,7 @@ public class JdbcInterface {
} // endif rs
} catch(SQLException se) {
System.out.println(se);
SetErrmsg(se);
} // end try/catch
return ncol;
......@@ -325,7 +344,7 @@ public class JdbcInterface {
} // endif rs
} catch(SQLException se) {
System.out.println(se);
SetErrmsg(se);
} // end try/catch
return ncol;
......@@ -341,18 +360,18 @@ public class JdbcInterface {
boolean b = stmt.execute(query);
if (b == false) {
n = stmt.getUpdateCount();
if (rs != null) rs.close();
n = stmt.getUpdateCount();
if (rs != null) rs.close();
} // endif b
if (DEBUG)
System.out.println("Query '" + query + "' executed: n = " + n);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
n = -1;
} catch (Exception e) {
System.out.println(e);
SetErrmsg(e);
n = -2;
} //end try/catch
......@@ -375,10 +394,10 @@ public class JdbcInterface {
} // endif rs
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
ncol = -1;
} catch (Exception e) {
System.out.println(e);
SetErrmsg(e);
ncol = -2;
} //end try/catch
......@@ -402,10 +421,10 @@ public class JdbcInterface {
} // endif DEBUG
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
ncol = -1;
} catch (Exception e) {
System.out.println(e);
SetErrmsg(e);
ncol = -2;
} //end try/catch
......@@ -419,28 +438,28 @@ public class JdbcInterface {
System.out.println("Executing update query '" + query + "'");
try {
n = stmt.executeUpdate(query);
n = stmt.executeUpdate(query);
if (DEBUG)
System.out.println("Update Query '" + query + "' executed: n = " + n);
if (DEBUG)
System.out.println("Update Query '" + query + "' executed: n = " + n);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
n = -1;
} catch (Exception e) {
System.out.println(e);
SetErrmsg(e);
n = -2;
} //end try/catch
return n;
} // end of ExecuteQuery
} // end of ExecuteUpdate
public int ReadNext() {
if (rs != null) {
try {
return rs.next() ? 1 : 0;
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
return -1;
} //end try/catch
......@@ -454,7 +473,7 @@ public class JdbcInterface {
try {
return rs.absolute(row);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
return false;
} //end try/catch
......@@ -469,7 +488,7 @@ public class JdbcInterface {
} else try {
return rsmd.getColumnLabel(n);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
} //end try/catch
return null;
......@@ -484,10 +503,10 @@ public class JdbcInterface {
return rsmd.getColumnType(n);
} catch (SQLException se) {
System.out.println("ColumnType: " + se);
SetErrmsg(se);
} //end try/catch
return 0;
return 666; // Not a type
} // end of ColumnType
public String ColumnDesc(int n, int[] val) {
......@@ -501,11 +520,11 @@ public class JdbcInterface {
val[3] = rsmd.isNullable(n);
return rsmd.getColumnLabel(n);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
} //end try/catch
return null;
} // end of ColumnType
} // end of ColumnDesc
public String StringField(int n, String name) {
if (rs == null) {
......@@ -513,7 +532,7 @@ public class JdbcInterface {
} else try {
return (n > 0) ? rs.getString(n) : rs.getString(name);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
} //end try/catch
return null;
......@@ -525,7 +544,7 @@ public class JdbcInterface {
} else try {
return (n > 0) ? rs.getInt(n) : rs.getInt(name);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
} //end try/catch
return 0;
......@@ -538,7 +557,7 @@ public class JdbcInterface {
BigDecimal bigDecimal = (n > 0) ? rs.getBigDecimal(n) : rs.getBigDecimal(name);
return bigDecimal != null ? bigDecimal.longValue() : 0;
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
} //end try/catch
return 0;
......@@ -550,7 +569,7 @@ public class JdbcInterface {
} else try {
return (n > 0) ? rs.getDouble(n) : rs.getDouble(name);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
} //end try/catch
return 0.;
......@@ -562,7 +581,7 @@ public class JdbcInterface {
} else try {
return (n > 0) ? rs.getFloat(n) : rs.getFloat(name);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
} //end try/catch
return 0;
......@@ -574,7 +593,7 @@ public class JdbcInterface {
} else try {
return (n > 0) ? rs.getBoolean(n) : rs.getBoolean(name);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
} //end try/catch
return false;
......@@ -586,7 +605,7 @@ public class JdbcInterface {
} else try {
return (n > 0) ? rs.getDate(n) : rs.getDate(name);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
} //end try/catch
return null;
......@@ -598,7 +617,7 @@ public class JdbcInterface {
} else try {
return (n > 0) ? rs.getTime(n) : rs.getTime(name);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
} //end try/catch
return null;
......@@ -610,12 +629,24 @@ public class JdbcInterface {
} else try {
return (n > 0) ? rs.getTimestamp(n) : rs.getTimestamp(name);
} catch (SQLException se) {
System.out.println(se);
SetErrmsg(se);
} //end try/catch
return null;
} // end of TimestampField
public String ObjectField(int n, String name) {
if (rs == null) {
System.out.println("No result set");
} else try {
return (n > 0) ? rs.getObject(n).toString() : rs.getObject(name).toString();
} catch (SQLException se) {
SetErrmsg(se);
} //end try/catch
return null;
} // end of ObjectField
public int GetDrivers(String[] s, int mxs) {
int n = 0;
List<Driver> drivers = Collections.list(DriverManager.getDrivers());
......@@ -635,5 +666,47 @@ public class JdbcInterface {
return size;
} // end of GetDrivers
/**
* Adds the specified path to the java library path
* from Fahd Shariff blog
*
* @param pathToAdd the path to add
static public int addLibraryPath(String pathToAdd) {
System.out.println("jpath = " + pathToAdd);
try {
Field usrPathsField = ClassLoader.class.getDeclaredField("usr_paths");
usrPathsField.setAccessible(true);
//get array of paths
String[] paths = (String[])usrPathsField.get(null);
//check if the path to add is already present
for (String path : paths) {
System.out.println("path = " + path);
if (path.equals(pathToAdd))
return -5;
} // endfor path
//add the new path
String[] newPaths = Arrays.copyOf(paths, paths.length + 1);
newPaths[paths.length] = pathToAdd;
usrPathsField.set(null, newPaths);
System.setProperty("java.library.path",
System.getProperty("java.library.path") + File.pathSeparator + pathToAdd);
Field fieldSysPath = ClassLoader.class.getDeclaredField("sys_paths");
fieldSysPath.setAccessible(true);
fieldSysPath.set(null, null);
} catch (Exception e) {
SetErrmsg(e);
return -1;
} // end try/catch
return 0;
} // end of addLibraryPath
*/
} // end of class JdbcInterface
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