diff options
| author | mcombellack <mcombellack@13f79535-47bb-0310-9956-ffa450edef68> | 2009-10-05 21:54:21 +0000 |
|---|---|---|
| committer | mcombellack <mcombellack@13f79535-47bb-0310-9956-ffa450edef68> | 2009-10-05 21:54:21 +0000 |
| commit | 2793e5c2cba7efea7e19c4bcd853c7534e8b5b5f (patch) | |
| tree | bfb2404eb85957803b803578fb6fca971eb9d1dc /sandbox/travelsample/contributions/currency-servlet/src/main/java/com/tuscanyscatours/currencyconverter/servlet/CurrencyConverterServlet.java | |
| parent | 6ee935ee6546b5404bb7685affc3372515078a84 (diff) | |
Initial commit of a Servlet implementation of a currency converter
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@822037 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to '')
| -rw-r--r-- | sandbox/travelsample/contributions/currency-servlet/src/main/java/com/tuscanyscatours/currencyconverter/servlet/CurrencyConverterServlet.java | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/sandbox/travelsample/contributions/currency-servlet/src/main/java/com/tuscanyscatours/currencyconverter/servlet/CurrencyConverterServlet.java b/sandbox/travelsample/contributions/currency-servlet/src/main/java/com/tuscanyscatours/currencyconverter/servlet/CurrencyConverterServlet.java new file mode 100644 index 0000000000..37987b29e7 --- /dev/null +++ b/sandbox/travelsample/contributions/currency-servlet/src/main/java/com/tuscanyscatours/currencyconverter/servlet/CurrencyConverterServlet.java @@ -0,0 +1,74 @@ +/* + * 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 com.tuscanyscatours.currencyconverter.servlet; + +import java.io.IOException; +import java.io.Writer; + +import javax.servlet.ServletConfig; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.osoa.sca.ComponentContext; +import org.osoa.sca.annotations.Reference; + +import com.tuscanyscatours.currencyconverter.CurrencyConverter; + +public class CurrencyConverterServlet extends HttpServlet { + + @Reference + protected CurrencyConverter currencyConverter; + + @Override + public void init(ServletConfig config) { + if (currencyConverter == null) { + // The Currency Converter reference will only be injected from the @Reference + // annotation in containers supporting SCA "deep" integration. In other + // environments in can be looked up from the ComponentContext. + ComponentContext context = (ComponentContext) config.getServletContext() + .getAttribute("org.osoa.sca.ComponentContext"); + currencyConverter = context.getService(CurrencyConverter.class, "currencyConverter"); + } + } + + @Override + protected void service(HttpServletRequest request, HttpServletResponse response) throws IOException { + Writer out = response.getWriter(); + out.write("<html><body><h2>SCA Tours Currency Converter Servlet</h2>"); + out.write("Welcome to the SCA Tours Currency Converter Servlet<p>"); + out.write("<form method=post action=\"CurrencyConverterServlet\">"); + out.write("Enter value in US Dollars"); + out.write("<input type=text name=dollars size=15><p>"); + out.write("<input type=submit>"); + out.write("</form><p>"); + + String dollarsStr = request.getParameter("dollars"); + if ( dollarsStr != null) { + double dollars = Double.parseDouble(dollarsStr); + double converted = currencyConverter.convert("USD", "GBP", dollars); + out.write(dollars + " US Dollars = " + converted + " GB Pounds"); + } + + out.write("</body></html>"); + out.write("</body></html>"); + out.flush(); + out.close(); + } +} |