diff options
Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank')
11 files changed, 571 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/AccountData.java b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/AccountData.java new file mode 100644 index 0000000000..c3ae8d0912 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/AccountData.java @@ -0,0 +1,36 @@ +/* + * 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.IOException; + +import javax.xml.stream.XMLStreamReader; + +/** + * @version $Rev$ $Date$ + */ +public interface AccountData { + /** + * Get the StAX stream that represent the accounts data + * @return The StAX stream containign the accounts + * @throws IOException + */ + XMLStreamReader getAccounts() throws IOException; +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/AccountDataImpl.java b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/AccountDataImpl.java new file mode 100644 index 0000000000..1c0c612987 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/AccountDataImpl.java @@ -0,0 +1,48 @@ +/* + * 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.IOException; +import java.net.URL; + +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamReader; + +import org.osoa.sca.annotations.Service; + +/** + * @version $Rev$ $Date$ + */ +@Service(AccountData.class) +public class AccountDataImpl implements AccountData { + private XMLInputFactory factory = XMLInputFactory.newInstance(); + + public XMLStreamReader getAccounts() throws IOException { + URL doc = getClass().getResource("/accounts.xml"); + XMLStreamReader reader = null; + try { + reader = factory.createXMLStreamReader(doc.openStream()); + } catch (Exception e) { + e.printStackTrace(); + } + return reader; + } + +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/AccountService.java b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/AccountService.java new file mode 100644 index 0000000000..4c72384e7b --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/AccountService.java @@ -0,0 +1,32 @@ +/* + * 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; + + +/** + * @version $Rev$ $Date$ + */ +public interface AccountService { + /** + * Get the total value of all accounts owned by the customer + * @return The total value + */ + double getTotalValue(); +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/AccountServiceImpl.java b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/AccountServiceImpl.java new file mode 100644 index 0000000000..2420c4eba0 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/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); + } + } + +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/BigBankClient.java b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/BigBankClient.java new file mode 100644 index 0000000000..a7703787fb --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/BigBankClient.java @@ -0,0 +1,35 @@ +/* + * 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 org.apache.tuscany.sca.host.embedded.SCADomain; + +/** + * This client program to invoke the Account service + */ +public class BigBankClient { + + public static void main(String[] args) throws Exception { + + SCADomain domain = SCADomain.newInstance("BigBank.composite"); + AccountService accountService = domain.getService(AccountService.class, "AccountService"); + + System.out.println("EUR: " + accountService.getTotalValue()); + } +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/BigBankServer.java b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/BigBankServer.java new file mode 100644 index 0000000000..f5f1ca90b6 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/BigBankServer.java @@ -0,0 +1,40 @@ +/* + * 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 org.apache.tuscany.sca.host.embedded.SCADomain; + +/** + * @version $Rev$ $Date$ + */ +public class BigBankServer { + public static void main(String[] args) throws Exception { + + System.out.println("Starting the BigBank Service..."); + + SCADomain domain = SCADomain.newInstance("http://localhost", "/", "BigBank.composite"); + + System.out.println("Press Enter to Exit..."); + System.in.read(); + + domain.close(); + System.out.println("Bye"); + } +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/CurrencyExchange.java b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/CurrencyExchange.java new file mode 100644 index 0000000000..bb8ff85f45 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/CurrencyExchange.java @@ -0,0 +1,36 @@ +/* + * 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 org.osoa.sca.annotations.Remotable; + +import com.sun.syndication.feed.synd.SyndFeed; + +/** + * @version $Rev$ $Date$ + */ +@Remotable +public interface CurrencyExchange { + /** + * Get the currency exchange rates as a RSS feed + * @return + */ + SyndFeed getRates(); +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/ExchangeRate.java b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/ExchangeRate.java new file mode 100644 index 0000000000..358e5e19a2 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/ExchangeRate.java @@ -0,0 +1,32 @@ +/* + * 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; + +/** + * @version $Rev$ $Date$ + */ +public interface ExchangeRate { + /** + * Look up the exchange rate of a currency against USD + * @param currency The currency + * @return The exchange rate + */ + double getExchangeRate(String currency); +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/ExchangeRateImpl.java b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/ExchangeRateImpl.java new file mode 100644 index 0000000000..11c300cd3c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/ExchangeRateImpl.java @@ -0,0 +1,96 @@ +/* + * 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.ByteArrayInputStream; + +import javax.xml.parsers.DocumentBuilder; +import javax.xml.parsers.DocumentBuilderFactory; +import javax.xml.parsers.ParserConfigurationException; +import javax.xml.xpath.XPath; +import javax.xml.xpath.XPathConstants; +import javax.xml.xpath.XPathExpression; +import javax.xml.xpath.XPathFactory; + +import org.osoa.sca.ServiceRuntimeException; +import org.osoa.sca.annotations.Reference; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Document; +import org.w3c.dom.Node; + +import com.sun.syndication.feed.synd.SyndEntry; +import com.sun.syndication.feed.synd.SyndFeed; + +/** + * @version $Rev$ $Date$ + */ +@Service(ExchangeRate.class) +public class ExchangeRateImpl { + @Reference + protected CurrencyExchange exchangeRate; + + private final DocumentBuilder builder; + + public ExchangeRateImpl() { + try { + builder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); + } catch (ParserConfigurationException e) { + throw new IllegalArgumentException(e); + } + } + + /** + * Retrieve the live currency exchange rate from a live feed and extract the data for a given + * currecy using XPath + * @param currency The currency + * @return The exchange rate + */ + public double getExchangeRate(String currency) { + try { + System.out.println("Retrieving exchange rate..."); + + // first try to get a live exchange rate quote from the RSS feed + SyndFeed feed = null; + try { + feed = exchangeRate.getRates(); + + // if the RSS feed isn't responding, continue with the demo using historical data + } catch (Exception e) { + System.out.println("Exchange rate live quote not available, using historical data"); + return 0.74107; + } + + // extract the exchange rate from the feed data + SyndEntry entry = (SyndEntry)feed.getEntries().get(0); + String rateTable = entry.getDescription().getValue(); + + Document doc = builder.parse(new ByteArrayInputStream(rateTable.getBytes())); + Node node = doc.getDocumentElement(); + XPath path = XPathFactory.newInstance().newXPath(); + XPathExpression exp = path.compile("/TABLE/TR[TD[1]='" + currency.toUpperCase() + "']/TD[2]"); + Node rateNode = (Node)exp.evaluate(node, XPathConstants.NODE); + double rate = Double.valueOf(rateNode.getTextContent().trim()); + System.out.println("Exchange rate: USD 1.0=" + currency + " " + rate); + return rate; + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/StockQuote.java b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/StockQuote.java new file mode 100644 index 0000000000..26753a9e9e --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/StockQuote.java @@ -0,0 +1,38 @@ +/* + * 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 javax.xml.stream.XMLStreamReader; + +import org.apache.axiom.om.OMElement; +import org.osoa.sca.annotations.Remotable; + +/** + * @version $Rev$ $Date$ + */ +@Remotable +public interface StockQuote { + /** + * Invoke the stock quote web service to get the live quotes + * @param input The StAX stream of the request + * @return The StAX stream of the response + */ + public OMElement GetQuote(XMLStreamReader input); +} diff --git a/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/StockValue.java b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/StockValue.java new file mode 100644 index 0000000000..c300103398 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/demos/xml-bigbank/src/main/java/bigbank/StockValue.java @@ -0,0 +1,38 @@ +/* + * 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 javax.xml.stream.XMLStreamReader; + +import org.osoa.sca.annotations.Remotable; + +/** + * @version $Rev$ $Date$ + */ +@Remotable +public interface StockValue { + /** + * Join the quotes and accounts document to calculate the value + * @param quotes The quotes XML document + * @param accounts The accounts XML document + * @return The value + */ + double calculate(XMLStreamReader quotes, XMLStreamReader accounts); +} |