/*
* Copyright (c) 2010 StockPlay development team
* All rights reserved.
*
* This program 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 3 of the License, or
* at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.kapti.data;
import com.kapti.exceptions.InvocationException;
import com.kapti.exceptions.ServiceException;
import com.kapti.exceptions.StockPlayException;
import java.io.Serializable;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
/**
* \brief Basisobject voor transactie-gerelateerde data
*
* Deze klasse wordt gebruikt om alle transactie-gerelateerde data te verpakken
* in een object dat dan verder intern gebruikt wordt binnen de backend. Het
* biedt ook de nodige functionaliteit om zichzelf terug te converteren naar
* een object dat over XML-RPC verstuurd kan worden, of om net zichzelf te
* construeren of aan te passen aan de hand van dergelijke data.
*/
public class Transaction extends Instruction implements Serializable {
//
// Member data
//
public static enum Fields {
ID, USER, ISIN, AMOUNT, PRICE, TYPE, // Instruction.Fields
TIME, COMMENTS
}
public static Map<Fields, Class> Types = new HashMap<Fields, Class>() { {
put(Fields.ID, Integer.class);
put(Fields.USER, Integer.class);
put(Fields.ISIN, String.class);
put(Fields.AMOUNT, Integer.class);
put(Fields.PRICE, Double.class);
put(Fields.TYPE, String.class); // Wordt ingelezen via InstructionType.valueOf
put(Fields.TIME, Date.class);
put(Fields.COMMENTS, String.class);
} };
private Date time;
private String comments;
public Transaction(int user) {
super(user);
}
//
// Construction
//
public Transaction(int user, String isin) {
super(user, isin);
}
public Transaction(int id, int user, String isin) {
super(id, user, isin);
}
//
// Methods
//
public Date getTime() {
return time;
}
public void setTime(Date time) {
this.time = time;
}
public String getComments() {
return comments;
}
public void setComments(String comments) {
this.comments = comments;
}
public HashMap<String, Object> toStruct(Fields... iFields) {
HashMap<String, Object> oStruct = new HashMap<String, Object>();
for (Fields tField : iFields) {
switch (tField) {
// Instruction.Fields
case ID:
oStruct.put(tField.name(), getId());
break;
case USER:
oStruct.put(tField.name(), getUser());
break;
case ISIN:
oStruct.put(tField.name(), getIsin());
break;
case AMOUNT:
oStruct.put(tField.name(), getAmount());
break;
case PRICE:
oStruct.put(tField.name(), getPrice());
break;
case TYPE:
if (getType() != null)
oStruct.put(tField.name(), getType().toString());
break;
case TIME:
if (getTime() != null)
oStruct.put(tField.name(), getTime());
break;
case COMMENTS:
if(getComments() != null)
oStruct.put(tField.name(), getComments());
}
}
return oStruct;
}
public void applyStruct(HashMap<String, Object> iStruct) throws StockPlayException {
for (String tKey : iStruct.keySet()) {
Object tValue = iStruct.get(tKey);
Fields tField = null;
try {
tField = Fields.valueOf(tKey.toUpperCase());
}
catch (IllegalArgumentException e) {
throw new InvocationException(InvocationException.Type.KEY_DOES_NOT_EXIST, "requested key '" + tKey + "' does not exist");
}
if (!Types.get(tField).isInstance(iStruct.get(tKey)))
throw new InvocationException(InvocationException.Type.BAD_REQUEST, "provided key '" + tKey + "' requires a " + Types.get(tField) + " instead of an " + iStruct.get(tKey).getClass());
switch (tField) {
case ISIN:
setIsin((String)tValue);
break;
case AMOUNT:
setAmount((Integer)tValue);
break;
case PRICE:
setPrice((Double)tValue);
break;
case TYPE:
setType(InstructionType.valueOf((String)tValue));
break;
case TIME:
setTime((Date)tValue);
break;
case COMMENTS:
setComments((String) tValue);
break;
default:
throw new InvocationException(InvocationException.Type.READ_ONLY_KEY, "requested key '" + tKey + "' cannot be modified");
}
}
}
public static Transaction fromStruct(HashMap<String, Object> iStruct) throws StockPlayException {
// Create case mapping
HashMap<Fields, String> tStructMap = new HashMap<Fields, String>();
for (String tKey : iStruct.keySet()) {
Fields tField = null;
try {
tField = Fields.valueOf(tKey.toUpperCase());
}
catch (IllegalArgumentException e) {
throw new InvocationException(InvocationException.Type.KEY_DOES_NOT_EXIST, "requested key '" + tKey + "' does not exist");
}
if (!Types.get(tField).isInstance(iStruct.get(tKey)))
throw new InvocationException(InvocationException.Type.BAD_REQUEST, "provided key '" + tKey + "' requires a " + Types.get(tField) + " instead of an " + iStruct.get(tKey).getClass());
tStructMap.put(tField, tKey);
}
// Check needed keys
if (tStructMap.containsKey(Fields.USER)) {// && tStructMap.containsKey(Fields.ISIN)) {
Transaction tTransaction = new Transaction((Integer)iStruct.get(tStructMap.get(Fields.USER)));//, (String)iStruct.get(tStructMap.get(Fields.ISIN)));
iStruct.remove(tStructMap.get(Fields.USER));
//iStruct.remove(tStructMap.get(Fields.ISIN));
return tTransaction;
} else
throw new ServiceException(ServiceException.Type.NOT_ENOUGH_INFORMATION);
}
}