1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* 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 org.apache.tuscany.demo.app;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.tuscany.spi.host.ServletHost;
import org.osoa.sca.annotations.EagerInit;
import org.osoa.sca.annotations.Reference;
import org.osoa.sca.annotations.Service;
/**
* @version $Revision$ $Date$
*/
@SuppressWarnings("serial")
@EagerInit
@Service(Servlet.class)
public class CalculatorForm extends HttpServlet {
/**
* Injects the servlet host.
*
* @param servletHost Servlet host to use.
*/
@Reference
public void setServletHost(ServletHost servletHost) {
servletHost.registerMapping("/calculatorForm", this);
}
/**
* Processes the request.
*
* @param req Servlet request.
* @param res Servlet response.
* @throws ServletException Servlet exception.
* @throws IOException IO Exception.
*/
protected void process(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
PrintWriter writer = res.getWriter();
writer.println("<form name='' method='post' action='calculate'>");
writer.println("<input name='op1' type='text' size='10'>");
writer.println("<br/>");
writer.println("<input name='op2' type='text' size='10'>");
writer.println("<br/>");
writer.println("<input type='submit' value='Add'/>");
writer.println("</form>");
writer.flush();
writer.close();
}
/**
* Handles get requests.
*/
@Override
protected final void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
process(req, res);
}
/**
* Handles post request.
*/
@Override
protected final void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
process(req, res);
}
}
|
