/*
$Header: /cvsroot/xorm/xorm/tools/src/org/xorm/tools/editor/QueryAction.java,v 1.6 2002/04/28 00:34:31 wbiggs Exp $
This file is part of XORM.
XORM is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
XORM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.xorm.tools.editor;
import org.xorm.XORM;
import java.io.*;
import java.util.*;
import javax.jdo.PersistenceManager;
import javax.jdo.Query;
import javax.jdo.spi.PersistenceCapable;
public class QueryAction extends Action {
public QueryAction(PersistenceManager mgr) {
super(mgr);
}
public Object go() {
System.out.println("QUERY FOR OBJECTS");
PersistenceCapable pc = null;
try {
Class clazz = null;
while (clazz == null) {
System.out.print("Enter result class: ");
clazz = readClass();
}
System.out.print("Enter query: ");
String queryText = readLine();
if ("".equals(queryText)) queryText = null;
Query query = mgr.newQuery(clazz, queryText);
List args = new ArrayList();
if (queryText != null) {
System.out.print("Declare parameters: ");
String params = readLine();
query.declareParameters(params);
// TODO take different arg types
String arg = null;
do {
System.out.print("Parameter value or ENTER when done: ");
arg = readLine();
if (!"".equals(arg)) args.add(arg);
} while (!"".equals(arg));
}
Collection results = (Collection) query.executeWithArray(args.toArray());
System.out.println("Query returned " + results.size() + " results");
Action action = new EditCollectionAction(mgr, results);
return action.go();
} catch (Exception e) {
e.printStackTrace();
}
return pc;
}
}