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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
/*
* 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.jk.status;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;
import java.net.URLConnection;
import org.apache.catalina.ant.AbstractCatalinaTask;
import org.apache.catalina.util.Base64;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
/**
* Ant task that implements mod_jk 1.2.20 result message string
*
* @author Peter Rossbach
* @version $Revision: 802231 $
* @since mod_jk 1.2.20
*/
public abstract class AbstractJkStatusTask extends AbstractCatalinaTask {
/**
* Execute the requested operation.
*
* @exception BuildException
* if an error occurs
*/
public void execute() throws BuildException {
super.execute();
checkParameter();
StringBuffer sb = createLink();
execute(sb.toString(), null, null, -1);
}
protected abstract void checkParameter() ;
protected abstract StringBuffer createLink() ;
/**
* Execute the specified command, based on the configured properties.
* The input stream will be closed upon completion of this task, whether
* it was executed successfully or not.
*
* @param command Command to be executed
* @param istream InputStream to include in an HTTP PUT, if any
* @param contentType Content type to specify for the input, if any
* @param contentLength Content length to specify for the input, if any
*
* @exception BuildException if an error occurs
*/
public void execute(String command, InputStream istream,
String contentType, int contentLength)
throws BuildException {
InputStreamReader reader = null;
try {
HttpURLConnection hconn = send(command, istream, contentType, contentLength);
// Process the response message
reader = new InputStreamReader(hconn.getInputStream(), "UTF-8");
String error = null;
error = handleResult(reader, error);
if (error != null && isFailOnError()) {
// exception should be thrown only if failOnError == true
// or error line will be logged twice
throw new BuildException(error);
}
} catch (Throwable t) {
if (isFailOnError()) {
throw new BuildException(t);
} else {
handleErrorOutput(t.getMessage());
}
} finally {
closeRedirector();
if (reader != null) {
try {
reader.close();
} catch (Throwable u) {
;
}
reader = null;
}
if (istream != null) {
try {
istream.close();
} catch (Throwable u) {
;
}
istream = null;
}
}
}
private String handleResult(InputStreamReader reader, String error) throws IOException {
StringBuffer buff = new StringBuffer();
int msgPriority = Project.MSG_INFO;
boolean first = true;
while (true) {
int ch = reader.read();
if (ch < 0) {
break;
} else if ((ch == '\r') || (ch == '\n')) {
// in Win \r\n would cause handleOutput() to be called
// twice, the second time with an empty string,
// producing blank lines
if (buff.length() > 0) {
String line = buff.toString();
buff.setLength(0);
if (first) {
if (!line.startsWith("Result: type=OK")) {
error = line;
msgPriority = Project.MSG_ERR;
}
first = false;
}
handleOutput(line, msgPriority);
}
} else {
buff.append((char) ch);
}
}
if (buff.length() > 0) {
handleOutput(buff.toString(), msgPriority);
}
return error;
}
protected HttpURLConnection send(String command, InputStream istream, String contentType, int contentLength) throws IOException, MalformedURLException, ProtocolException {
URLConnection conn;
// Create a connection for this command
conn = (new URL(url + command)).openConnection();
HttpURLConnection hconn = (HttpURLConnection) conn;
// Set up standard connection characteristics
hconn.setAllowUserInteraction(false);
hconn.setDoInput(true);
hconn.setUseCaches(false);
if (istream != null) {
hconn.setDoOutput(true);
hconn.setRequestMethod("PUT");
if (contentType != null) {
hconn.setRequestProperty("Content-Type", contentType);
}
if (contentLength >= 0) {
hconn.setRequestProperty("Content-Length",
"" + contentLength);
}
} else {
hconn.setDoOutput(false);
hconn.setRequestMethod("GET");
}
hconn.setRequestProperty("User-Agent",
"JkStatus-Ant-Task/1.1");
// Set up an authorization header with our credentials
String input = username + ":" + password;
String output = new String(Base64.encode(input.getBytes()));
hconn.setRequestProperty("Authorization",
"Basic " + output);
// Establish the connection with the server
hconn.connect();
// Send the request data (if any)
if (istream != null) {
BufferedOutputStream ostream =
new BufferedOutputStream(hconn.getOutputStream(), 1024);
byte buffer[] = new byte[1024];
while (true) {
int n = istream.read(buffer);
if (n < 0) {
break;
}
ostream.write(buffer, 0, n);
}
ostream.flush();
ostream.close();
istream.close();
}
return hconn;
}
}
|
