blob: 14ab9579f4cb26484b1156564992269e25ea08f1 (
plain)
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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
* 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.sca.domain.manager.impl;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.util.logging.Logger;
import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.parsers.ParserConfigurationException;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.data.collection.Item;
import org.apache.tuscany.sca.data.collection.LocalItemCollection;
import org.apache.tuscany.sca.data.collection.NotFoundException;
import org.osoa.sca.annotations.Init;
import org.osoa.sca.annotations.Reference;
import org.osoa.sca.annotations.Scope;
import org.osoa.sca.annotations.Service;
/**
* Implementation of a service that returns the source of a deployable composite.
*
* @version $Rev$ $Date$
*/
@Scope("COMPOSITE")
@Service(Servlet.class)
public class DeployableCompositeServiceImpl extends HttpServlet implements Servlet {
private static final long serialVersionUID = -3477992129462720902L;
private static final Logger logger = Logger.getLogger(DeployableCompositeServiceImpl.class.getName());
@Reference
public DomainManagerConfiguration domainManagerConfiguration;
@Reference
public LocalItemCollection deployableCollection;
/**
* Initialize the component.
*/
@Init
public void initialize() throws ParserConfigurationException {
ExtensionPointRegistry extensionPoints = domainManagerConfiguration.getExtensionPoints();
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// Expect a key in the form
// composite:contributionURI;namespace;localName
// and return the corresponding source file
// Get the request path
String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
String key = path.startsWith("/")? path.substring(1) : path;
logger.fine("get " + key);
// Get the item describing the composite
Item item;
try {
item = deployableCollection.get(key);
} catch (NotFoundException e) {
response.sendError(HttpServletResponse.SC_NOT_FOUND, key);
return;
}
// Redirect if there is no composite file
String uri = item.getAlternate();
if (uri == null) {
response.sendRedirect("/composite-generated/" + key);
return;
}
// Read the composite file and write to response
InputStream is;
try {
URLConnection connection = new URL(uri).openConnection();
connection.setUseCaches(false);
connection.connect();
is = connection.getInputStream();
} catch (FileNotFoundException ex) {
response.sendError(HttpServletResponse.SC_NOT_FOUND, key);
return;
}
response.setContentType("text/xml");
ServletOutputStream os = response.getOutputStream();
byte[] buffer = new byte[4096];
for (;;) {
int n = is.read(buffer);
if (n < 0) {
break;
}
os.write(buffer, 0, n);
}
is.close();
os.flush();
}
}
|
