Added a simple sql query handler
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7aa180f512
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2 changed files with 30 additions and 7 deletions
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@ -11,6 +11,8 @@ import javax.naming.InitialContext;
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import javax.naming.NamingException;
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import javax.sql.DataSource;
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import zutil.db.handler.SimpleResultHandler;
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public class DBConnection{
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public enum DBMS{
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MySQL
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@ -86,13 +88,7 @@ public class DBConnection{
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*/
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public Object getLastInsertID(){
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try{
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return exec("SELECT LAST_INSERT_ID()", new SQLResultHandler<Object>(){
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public Object handleQueryResult(Statement stmt, ResultSet result) throws SQLException {
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if(result.next())
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return result.getObject(1);
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return null;
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}
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});
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return exec("SELECT LAST_INSERT_ID()", new SimpleResultHandler<Object>());
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}catch(SQLException e){
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return null;
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}
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27
src/zutil/db/handler/SimpleResultHandler.java
Normal file
27
src/zutil/db/handler/SimpleResultHandler.java
Normal file
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@ -0,0 +1,27 @@
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package zutil.db.handler;
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import java.sql.SQLException;
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import java.sql.Statement;
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import java.sql.ResultSet;
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import zutil.db.SQLResultHandler;
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/**
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* Returns the first column of the first row from the query
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*
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* @author Ziver
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*/
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public class SimpleResultHandler<T> implements SQLResultHandler<T> {
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/**
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* Is called to handle an result from an query.
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*
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* @param stmt is the query
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* @param result is the ResultSet
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*/
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@SuppressWarnings("unchecked")
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public T handleQueryResult(Statement stmt, ResultSet result) throws SQLException{
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if( result.next() )
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return (T) result.getObject(1);
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return null;
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}
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}
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