diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-13 01:42:27 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-13 01:42:27 +0000 |
commit | 3c7c4a749baafcf375f4785a7668d3a25c9063e3 (patch) | |
tree | a66b8b031c5dc6c7744f44b44b6bcd371bd0b8df /branches/sca-java-1.x/demos/xml-bigbank/src/main/java/bigbank/ExchangeRateImpl.java | |
parent | eb03ff672236cddf65533f39b83ddd5e2984a2bb (diff) |
Moving 1.x trunk
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835700 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-java-1.x/demos/xml-bigbank/src/main/java/bigbank/ExchangeRateImpl.java')
-rw-r--r-- | branches/sca-java-1.x/demos/xml-bigbank/src/main/java/bigbank/ExchangeRateImpl.java | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/branches/sca-java-1.x/demos/xml-bigbank/src/main/java/bigbank/ExchangeRateImpl.java b/branches/sca-java-1.x/demos/xml-bigbank/src/main/java/bigbank/ExchangeRateImpl.java deleted file mode 100644 index fcb3707cfe..0000000000 --- a/branches/sca-java-1.x/demos/xml-bigbank/src/main/java/bigbank/ExchangeRateImpl.java +++ /dev/null @@ -1,84 +0,0 @@ -/* - * 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..."); - SyndFeed feed = exchangeRate.getRates(); - 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); - } - } -} |