/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the JBPM BPEL PUBLIC LICENSE AGREEMENT as
* published by JBoss Inc.; either version 1.0 of the License, or
* (at your option) any later version.
*
* This software 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.
*/
package org.jboss.soa.bpel.samples.quickstart.account;
import java.io.IOException;
import java.net.URL;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import javax.jws.WebService;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
/**
* Account system endpoint implementation bean.
*
* @author Alejandro Guizar
* @version $Revision: 227 $ $Date: 2006/09/27 03:53:01 $
*/
@WebService(endpointInterface = "org.jboss.soa.bpel.samples.quickstart.account.AccountSystem", targetNamespace = "http://jbpm.org/examples/account", serviceName = "AccountService", portName = "AccountSystemPort")
public class AccountSystem_Impl implements AccountSystem {
private static Map<String, Double> accounts = loadAccounts("accounts.xml");
public boolean checkAccess(String customerName) {
return accounts.containsKey(customerName);
}
public double queryBalance(String customerName) {
return getBalance(customerName);
}
public double updateBalance(AccountOperation body) {
String customerName = body.getCustomerName();
double newBalance = getBalance(customerName) + body.getAmount();
accounts.put(customerName, new Double(newBalance));
return newBalance;
}
private double getBalance(String customerName) {
Double balance = (Double) accounts.get(customerName);
return balance.doubleValue();
}
private static Map<String, Double> loadAccounts(String resourceName) {
try {
// parse the accounts document
DocumentBuilder domBuilder =
DocumentBuilderFactory.newInstance().newDocumentBuilder();
URL resource = AccountSystem_Impl.class.getResource(resourceName);
if (resource == null) return Collections.emptyMap();
Document accountsDocument = domBuilder.parse(resource.toString());
// give everyone an initial balance of $50
Double initialBalance = new Double(50);
// iterate over the accounts
Map<String, Double> accounts = new HashMap<String, Double>();
Element accountsElem = accountsDocument.getDocumentElement();
NodeList accountElems = accountsElem.getElementsByTagName("account");
for (int i = 0, n = accountElems.getLength(); i < n; i++) {
Element accountElem = (Element) accountElems.item(i);
// create account, assign initial balance
String customerName = accountElem.getAttribute("holder");
accounts.put(customerName, initialBalance);
}
return accounts;
}
catch (ParserConfigurationException e) {
// default configuration for document builder should work
throw new AssertionError(e);
}
catch (SAXException e) {
return Collections.emptyMap();
}
catch (IOException e) {
return Collections.emptyMap();
}
}
}