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
|
/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.core.client.server;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.net.URL;
import java.util.List;
import java.util.logging.Level;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.eclipse.osee.framework.core.client.internal.CoreClientActivator;
import org.eclipse.osee.framework.jdk.core.util.Strings;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.plugin.core.util.ExtensionPoints;
import org.osgi.framework.Bundle;
/**
* @author Roberto E. Escobar
*/
public class HttpResourceRequest implements IHttpMethod {
private static HttpResourceRequest instance = new HttpResourceRequest();
private HttpResourceRequest() {
}
public static HttpResourceRequest getInstance() {
return instance;
}
@Override
public void processRequest(HttpRequest httpRequest, HttpResponse httpResponse) {
String urlRequest = httpRequest.getUrlRequest();
URL url = findResource(urlRequest);
if (url != null) {
sendResource(url, httpResponse.getOutputStream());
} else {
httpResponse.outputStandardError(400, "Invalid Request: *" + urlRequest + "*");
}
}
private void sendResource(URL url, OutputStream outputStream) {
BufferedInputStream bis = null;
try {
bis = new BufferedInputStream(url.openStream());
PrintStream ps = new PrintStream(outputStream, true, "UTF-8");
byte[] buffer = new byte[1024];
int count;
while ((count = bis.read(buffer)) != -1) {
ps.write(buffer, 0, count);
}
} catch (IOException ex) {
OseeLog.log(CoreClientActivator.class, Level.SEVERE, "Error sending requested resource", ex);
} finally {
try {
bis.close();
} catch (IOException ex) {
OseeLog.log(CoreClientActivator.class, Level.SEVERE, "Error closing stream", ex);
}
}
}
private URL findResource(String urlRequested) {
URL resource = null;
if (Strings.isValid(urlRequested) && urlRequested.endsWith("/") != true) {
List<IConfigurationElement> elements =
ExtensionPoints.getExtensionElements("org.eclipse.osee.framework.skynet.core.WebPage", "WebPageFolder");
for (IConfigurationElement element : elements) {
String resourceName = element.getAttribute("Path");
String bundleName = element.getContributor().getName();
if (Strings.isValid(bundleName) && Strings.isValid(resourceName)) {
try {
Bundle bundle = Platform.getBundle(bundleName);
URL url = bundle.getEntry(resourceName + urlRequested);
if (url != null) {
resource = FileLocator.resolve(url);
break;
}
} catch (Exception ex) {
throw new IllegalArgumentException(String.format("Unable to Load: [%s.%s]", bundleName, resourceName));
}
}
}
}
return resource;
}
}
|
