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Demo

DefaultForm.java

/*
 * Created on Mar 16, 2004
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package edu.virtualschool.jwaa.xml;

import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;

import edu.virtualschool.jwaa.AccountAbstraction;
import edu.virtualschool.jwaa.Fault;
import edu.virtualschool.jwaa.StringUtil;
import edu.virtualschool.jwaa.bean.FieldBean;
import edu.virtualschool.jwaa.dbms.DBQuery;
import edu.virtualschool.jwaa.dbms.DBUtil;
import edu.virtualschool.jwaa.field.CommaSeparatedField;

public class DefaultForm 
  extends GenericForm
{
  final Controller ctlr;
  final AccountAbstraction account;
  final HashMap parameterMap = new HashMap();

  final static Logger logger = Logger.getLogger(DefaultForm.class.getName());

  public DefaultForm(Controller page) throws Fault
  {
    this.ctlr = page;
    this.account = page.getAccount();
    Map map = page.httpRequest.getParameterMap();
    if (map.isEmpty())
      loadFromDatabase();
    else for (Iterator iterator = map.entrySet().iterator(); iterator.hasNext(); )
    {
      Object o = iterator.next();
      Map.Entry e = (Map.Entry)o;
      Object key = e.getKey();
      Object value = e.getValue();
      String[] values = (String[])value;
      List list = new ArrayList();
      for (int i = 0; i < values.length; i++)
        list.add(values[i]);
      parameterMap.put(key, list);
    }
  }
  void loadFromDatabase() throws Fault
  {
    String sql = "select * from Form\n"
      + "where account=" + DBUtil.quote(account.getIdentity()) + "\n"
      + "and page=" + DBUtil.quote(ctlr.page.id);
    DBQuery query = ctlr.dbms.query(sql);
    while(query.hasNext())
    {
      String key = query.getString("field");
      if (key.equals("op"))
        continue;
      String value = query.getString("value");
      CommaSeparatedField f = new CommaSeparatedField(value, "");
      parameterMap.put(key, f.getArrayValue());
    }
  }
  public String toString()
  {
    return parameterMap.toString();
  }
  private static final List emptyList = new ArrayList();
  public List getValueList(String key)
  {
    Object o = parameterMap.get(key);
    if (o == null)
      return emptyList;
    List list = (List)o;
    return list;
  }
  public Object getValue(String key)
  {
    List a = getValueList(key);
    if (a.size() == 0)
      return "";
    else
      return a.get(0);
  }
  public Map getParameterMap()
  {
    return parameterMap;
  }
  public void save() throws Fault
  {
    logger.debug("saving "+this);
    for (Iterator iterator = parameterMap.entrySet().iterator(); iterator.hasNext(); )
    {
      Object o = iterator.next();
      Map.Entry e = (Map.Entry)o;
      Object k = e.getKey();
      if (k.equals("op"))
        continue;
      Object v = e.getValue();
      String fieldName = (String)k;
      List fieldValues = (List)v;
      String fieldValue = StringUtil.join(',', fieldValues);
      FieldBean bean = new FieldBean(
        account.getIdentity(),
        ctlr.page.id,
        fieldName,
        fieldValue,
        new Timestamp(System.currentTimeMillis())
      );
      bean.save(ctlr.dbms);
    }
  }
}