3ea135bb |
1 | /**\r |
2 | * Copyright (C) 2003 <a href="http://www.lohndirekt.de/">lohndirekt.de</a>\r |
3 | *\r |
4 | * This library is free software; you can redistribute it and/or\r |
5 | * modify it under the terms of the GNU Lesser General Public\r |
6 | * License as published by the Free Software Foundation; either\r |
7 | * version 2.1 of the License, or (at your option) any later version.\r |
8 | * \r |
9 | * This library is distributed in the hope that it will be useful,\r |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of\r |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r |
12 | * Lesser General Public License for more details.\r |
13 | * \r |
14 | * You should have received a copy of the GNU Lesser General Public\r |
15 | * License along with this library; if not, write to the Free Software\r |
16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r |
17 | * \r |
18 | */\r |
19 | package de.lohndirekt.print;\r |
20 | \r |
21 | import java.io.IOException;\r |
22 | import java.io.InputStream;\r |
23 | import java.net.HttpURLConnection;\r |
24 | import java.net.URI;\r |
25 | import java.net.URISyntaxException;\r |
26 | import java.util.logging.Level;\r |
27 | import java.util.logging.Logger;\r |
28 | \r |
29 | import org.apache.commons.httpclient.Credentials;\r |
30 | import org.apache.commons.httpclient.HttpClient;\r |
31 | import org.apache.commons.httpclient.HttpException;\r |
32 | import org.apache.commons.httpclient.UsernamePasswordCredentials;\r |
33 | import org.apache.commons.httpclient.methods.EntityEnclosingMethod;\r |
34 | import org.apache.commons.httpclient.methods.PostMethod;\r |
35 | \r |
36 | import de.lohndirekt.print.exception.AuthenticationException;\r |
37 | \r |
38 | \r |
39 | /**\r |
40 | * simple facade / abstraction layer to "commons httpclient"\r |
41 | * \r |
42 | * @author sefftinge\r |
43 | * \r |
44 | */\r |
45 | class IppHttpConnection implements IppConnection {\r |
46 | \r |
47 | private Logger log = Logger.getLogger(this.getClass().getName());\r |
48 | \r |
49 | private HttpClient httpConn;\r |
50 | \r |
51 | private PostMethod method;\r |
52 | \r |
53 | /**\r |
54 | * @param uri\r |
55 | * @param user\r |
56 | * @param passwd\r |
57 | * @param useStream\r |
58 | */\r |
59 | public IppHttpConnection(URI uri, String user, String passwd) {\r |
60 | try {\r |
61 | httpConn = new HttpClient();\r |
62 | method = new PostMethod(toHttpURI(uri).toString());\r |
63 | method.addRequestHeader("Content-type", "application/ipp");\r |
64 | method.addRequestHeader("Accept", "text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2");\r |
65 | method.setRequestContentLength(EntityEnclosingMethod.CONTENT_LENGTH_AUTO);\r |
66 | // authentication\r |
67 | if (user != null && user.trim().length() > 0) {\r |
68 | if (log.isLoggable(Level.FINER)) {\r |
69 | log.log(Level.SEVERE, "Using username: "+user+" , passwd.length "+passwd.length());\r |
70 | }\r |
71 | method.setDoAuthentication(true);\r |
72 | Credentials creds = new UsernamePasswordCredentials(user,\r |
73 | passwd);\r |
74 | httpConn.getState().setCredentials(null,\r |
75 | toHttpURI(uri).getHost(), creds);\r |
76 | \r |
77 | }\r |
78 | \r |
79 | } catch (Exception e) {\r |
80 | log.log(Level.SEVERE, e.getMessage(), e);\r |
81 | }\r |
82 | }\r |
83 | \r |
84 | \r |
85 | /**\r |
86 | * @return content of the response\r |
87 | * @throws IOException\r |
88 | */\r |
89 | public InputStream getIppResponse() throws IOException {\r |
90 | return method.getResponseBodyAsStream();\r |
91 | }\r |
92 | \r |
93 | /**\r |
94 | * @return the statuscode of last request\r |
95 | * @throws IOException\r |
96 | */\r |
97 | public int getStatusCode() throws IOException {\r |
98 | return method.getStatusCode();\r |
99 | }\r |
100 | \r |
101 | private static URI toHttpURI(URI uri) {\r |
102 | if (uri.getScheme().equals("ipp")) {\r |
103 | String uriString = uri.toString().replaceFirst("ipp", "http");\r |
104 | // TODO remove this hack!\r |
105 | // uriString = uriString.replaceAll("(\\d{1,3}\\.){3}\\d{1,3}:\\d{1,}", "127.0.0.1:631");\r |
106 | // endof hack\r |
107 | try {\r |
108 | uri = new URI(uriString);\r |
109 | } catch (URISyntaxException e) {\r |
110 | throw new RuntimeException("toHttpURI buggy? : uri was " + uri);\r |
111 | }\r |
112 | }\r |
113 | return uri;\r |
114 | }\r |
115 | \r |
116 | /**\r |
117 | * @param stream\r |
118 | */\r |
119 | public void setIppRequest(InputStream stream) {\r |
120 | method.setRequestBody(stream);\r |
121 | }\r |
122 | \r |
123 | public boolean execute() throws HttpException, IOException {\r |
124 | if (this.method.validate()) {\r |
125 | httpConn.executeMethod(method);\r |
126 | if (this.getStatusCode()==HttpURLConnection.HTTP_UNAUTHORIZED) {\r |
127 | throw new AuthenticationException(method.getStatusText());\r |
128 | }\r |
129 | return true;\r |
130 | } else {\r |
131 | return false;\r |
132 | }\r |
133 | }\r |
134 | \r |
135 | } |