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
|
/*******************************************************************************
* Copyright (c) 2013 Frank Becker and others.
* 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:
* Frank Becker - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.bugzilla.rest.core;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpRequestBase;
import org.eclipse.mylyn.commons.core.operations.IOperationMonitor;
import org.eclipse.mylyn.commons.repositories.core.auth.AuthenticationException;
import org.eclipse.mylyn.commons.repositories.core.auth.AuthenticationRequest;
import org.eclipse.mylyn.commons.repositories.core.auth.AuthenticationType;
import org.eclipse.mylyn.commons.repositories.core.auth.UserCredentials;
import org.eclipse.mylyn.commons.repositories.http.core.CommonHttpOperation;
import org.eclipse.mylyn.commons.repositories.http.core.CommonHttpResponse;
import org.eclipse.mylyn.commons.repositories.http.core.HttpUtil;
import org.eclipse.osgi.util.NLS;
public abstract class BugzillaRestRequest<T> extends CommonHttpOperation<T> {
protected static final String ACCEPT = "Accept"; //$NON-NLS-1$
protected static final String CONTENT_TYPE = "Content-Type"; //$NON-NLS-1$
protected static final String APPLICATION_JSON = "application/json"; //$NON-NLS-1$
protected static final String TEXT_XML_CHARSET_UTF_8 = "text/xml; charset=UTF-8"; //$NON-NLS-1$
public BugzillaRestRequest(BugzillaRestHttpClient client) {
super(client);
}
protected abstract T execute(IOperationMonitor monitor) throws IOException, BugzillaRestException;
protected abstract T parseFromJson(InputStreamReader in);
protected abstract HttpRequestBase createHttpRequestBase();
protected String baseUrl() {
String url = getClient().getLocation().getUrl();
if (!url.endsWith("/rest.cgi")) {
url += "/rest.cgi";
}
return url;
}
protected String getUrlSuffix() {
return "";
}
public T run(IOperationMonitor monitor) throws BugzillaRestException {
try {
return execute(monitor);
} catch (IOException e) {
throw new BugzillaRestException(e);
}
}
protected T doProcess(CommonHttpResponse response, IOperationMonitor monitor) throws IOException,
BugzillaRestException {
InputStream is = response.getResponseEntityAsStream();
InputStreamReader in = new InputStreamReader(is);
return parseFromJson(in);
}
protected void doValidate(CommonHttpResponse response, IOperationMonitor monitor) throws IOException,
BugzillaRestException {
validate(response, HttpStatus.SC_OK, monitor);
}
protected void validate(CommonHttpResponse response, int expected, IOperationMonitor monitor)
throws BugzillaRestException {
int statusCode = response.getStatusCode();
if (statusCode != expected) {
if (statusCode == HttpStatus.SC_NOT_FOUND) {
throw new BugzillaRestResourceNotFoundException(NLS.bind("Requested resource ''{0}'' does not exist",
response.getRequestPath()));
}
throw new BugzillaRestException(NLS.bind("Unexpected response from Bugzilla REST server for ''{0}'': {1}",
response.getRequestPath(), HttpUtil.getStatusText(statusCode)));
}
}
protected T processAndRelease(CommonHttpResponse response, IOperationMonitor monitor) throws IOException,
BugzillaRestException {
try {
doValidate(response, monitor);
return doProcess(response, monitor);
} finally {
response.release();
}
}
@Override
protected void validate(HttpResponse response, IOperationMonitor monitor) throws AuthenticationException {
super.validate(response, monitor);
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode == HttpStatus.SC_FORBIDDEN) {
AuthenticationRequest<AuthenticationType<UserCredentials>> request = new AuthenticationRequest<AuthenticationType<UserCredentials>>(
getClient().getLocation(), AuthenticationType.REPOSITORY);
throw new AuthenticationException(HttpUtil.getStatusText(statusCode), request, true);
}
}
}
|
