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/*
* 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 sample;
import java.io.IOException;
import java.io.Writer;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.oasisopen.sca.ComponentContext;
import org.oasisopen.sca.annotation.Reference;
import org.oasisopen.sca.annotation.Service;
@Service(ServletCallback.class)
public class HelloworldServlet extends HttpServlet implements ServletCallback {
private static final long serialVersionUID = 1L;
private HttpServletResponse response;
@Reference
protected HelloworldService service;
@Override
public void init(ServletConfig servletConfig) throws ServletException {
if (service == null) {
System.out
.println("HelloworldServlet reference injection failed, using ComponentContext");
ComponentContext cc = (ComponentContext) servletConfig
.getServletContext().getAttribute(
"org.oasisopen.sca.ComponentContext");
service = cc.getService(HelloworldService.class, "service");
}
}
@Override
protected void service(HttpServletRequest request,
HttpServletResponse response) throws IOException {
this.response = response;
String name = request.getParameter("name");
service.sayHello(name);
}
@Override
public void sendGreeting(String greeting) {
try {
Writer out = response.getWriter();
out
.write("<html><head><title>Apache Tuscany Helloworld Servlet Sample</title></head><body>");
out.write("<h2>Apache Tuscany Helloworld Servlet Sample</h2>");
out.write("<br><strong>Result: </strong>" + greeting);
out.write("</body></html>");
out.flush();
out.close();
} catch (IOException e) {
// ignore
}
}
}
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