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Diffstat (limited to 'sca-java-1.x/tags/1.6.1/demos/xml-bigbank/src/main/java/bigbank/AccountServiceImpl.java')
-rw-r--r-- | sca-java-1.x/tags/1.6.1/demos/xml-bigbank/src/main/java/bigbank/AccountServiceImpl.java | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6.1/demos/xml-bigbank/src/main/java/bigbank/AccountServiceImpl.java b/sca-java-1.x/tags/1.6.1/demos/xml-bigbank/src/main/java/bigbank/AccountServiceImpl.java new file mode 100644 index 0000000000..2420c4eba0 --- /dev/null +++ b/sca-java-1.x/tags/1.6.1/demos/xml-bigbank/src/main/java/bigbank/AccountServiceImpl.java @@ -0,0 +1,140 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package bigbank; + +import java.io.StringReader; + +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamReader; + +import org.apache.axiom.om.OMElement; +import org.apache.log4j.Level; +import org.apache.log4j.LogManager; +import org.apache.log4j.spi.LoggerRepository; +import org.apache.tuscany.sca.binding.ws.axis2.Axis2BindingInvoker; +import org.osoa.sca.ServiceRuntimeException; +import org.osoa.sca.annotations.Property; +import org.osoa.sca.annotations.Reference; +import org.osoa.sca.annotations.Service; + +/** + * @version $Rev$ $Date$ + */ +@Service(AccountService.class) +public class AccountServiceImpl implements AccountService { + private static final String STOCK_QUOTE_REQUEST = + "<q:symbol xmlns:q=\"http://www.webserviceX.NET/\">IBM</q:symbol>"; + + private XMLInputFactory factory = XMLInputFactory.newInstance(); + + @Reference + protected ExchangeRate exchangeRate; + + @Reference + protected StockQuote stockQuote; + + @Reference + protected AccountData accountData; + + @Reference + protected StockValue stockValue; + + @Property + protected String currency; + + public double getTotalValue() { + try { + double rate = exchangeRate.getExchangeRate(currency); + + System.out.println("Loading account data..."); + XMLStreamReader accounts = accountData.getAccounts(); + + System.out.println("Getting stock quote..."); + XMLStreamReader request = factory.createXMLStreamReader(new StringReader(STOCK_QUOTE_REQUEST)); + + // temporarily disable INFO logging before calling the web service + LoggerRepository repository = LogManager.getLoggerRepository(); + Level threshold = repository.getThreshold(); + repository.setThreshold(Level.WARN); + + // first try to get a live stock quote from the web service + String xml = null; + try { + // set a small timeout value in case the server doesn't respond + Axis2BindingInvoker.GLOBAL_AXIS_TIMEOUT = 8000L; + + OMElement quotes = stockQuote.GetQuote(request); + xml = quotes.getText(); + if (!xml.startsWith("<")) { + System.out.println("Server responded: " + xml); + throw new IllegalStateException("Unexpected response from server"); + } + } catch (ServiceRuntimeException e) { + // server isn't available, use local historical data + + // restore the previous logging setting + } finally { + repository.setThreshold(threshold); + } + + // if the web service invocation was successful, process the response + XMLStreamReader qts = null; + if (xml != null) { + System.out.println("Server responded: " + xml); + qts = factory.createXMLStreamReader(new StringReader(xml)); + + // if the web service isn't responding, continue with the demo using historical data + } else { + System.out.println("Stock price live quote not available, using historical data"); + qts = factory.createXMLStreamReader(new StringReader( + "<StockQuotes>"+ + "<Stock>"+ + "<Symbol>IBM</Symbol>"+ + "<Last>134.11</Last>"+ + "<Date>9/24/2010</Date>"+ + "<Time>4:00pm</Time>"+ + "<Change>+2.44</Change>"+ + "<Open>132.42</Open>"+ + "<High>134.15</High>"+ + "<Low>132.34</Low>"+ + "<Volume>7122325</Volume>"+ + "<MktCap>169.1B</MktCap>"+ + "<PreviousClose>131.67</PreviousClose>"+ + "<PercentageChange>+1.85%</PercentageChange>"+ + "<AnnRange>116.00 - 134.25</AnnRange>"+ + "<Earns>10.582</Earns>"+ + "<P-E>12.44</P-E>"+ + "<Name>International Bus</Name>"+ + "</Stock>"+ + "</StockQuotes>")); + } + + System.out.println("Calculating total value..."); + double value = stockValue.calculate(qts, accounts); + + System.out.println("Total Value=USD " + value); + + return value * rate; + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } + +} |