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36
37 package jnlp.sample.servlet;
38 import java.io.File  ;
39 import java.util.ArrayList ;
40 import javax.servlet.*;
41 import javax.servlet.http.*;
42
43
47 public class DownloadRequest {
48 private static final String ARG_ARCH = "arch";
50 private static final String ARG_OS = "os";
51 private static final String ARG_LOCALE = "locale";
52 private static final String ARG_VERSION_ID = "version-id";
53 private static final String ARG_CURRENT_VERSION_ID = "current-version-id";
54 private static final String ARG_PLATFORM_VERSION_ID = "platform-version-id";
55 private static final String ARG_KNOWN_PLATFORMS = "known-platforms";
56 private static final String TEST_JRE = "TestJRE";
57
58 private String _path = null;
59 private String _version = null;
60 private String _currentVersionId = null;
61 private String [] _os = null;
62 private String [] _arch = null;
63 private String [] _locale = null;
64 private String [] _knownPlatforms = null;
65 private String _query = null;
66 private String _testJRE = null;
67 private boolean _isPlatformRequest = false;
68 private ServletContext _context = null;
69 private String _encoding = null;
70
71 private HttpServletRequest _httpRequest = null;
72
73 public static final String ACCEPT_ENCODING = "accept-encoding";
75
76 public DownloadRequest(HttpServletRequest request) {
78 this((ServletContext)null, request);
79 }
80
81 public DownloadRequest(ServletContext context, HttpServletRequest request) {
82 _context = context;
83 _httpRequest = request;
84 _path = request.getRequestURI();
85 _encoding = request.getHeader(ACCEPT_ENCODING);
86 String context_path = request.getContextPath();
87 if (context_path != null) _path = _path.substring(context_path.length());
88 if (_path == null) _path = request.getServletPath(); if (_path == null) _path = "/"; _path = _path.trim();
91 if (_context != null && !_path.endsWith("/")) {
92 String realPath = _context.getRealPath(_path);
93 if (realPath != null) {
95 File f = new File (realPath);
96 if (f != null && f.exists() && f.isDirectory()) {
97 _path += "/";
98 }
99 }
100 }
101 if (_path.endsWith("/")) _path += "launch.jnlp";
103 _version = getParameter(request, ARG_VERSION_ID);
104 _currentVersionId = getParameter(request, ARG_CURRENT_VERSION_ID);
105 _os = getParameterList(request, ARG_OS);
106 _arch = getParameterList(request, ARG_ARCH);
107 _locale = getParameterList(request, ARG_LOCALE);
108 _knownPlatforms = getParameterList(request, ARG_KNOWN_PLATFORMS);
109 String platformVersion = getParameter(request, ARG_PLATFORM_VERSION_ID);
110 _isPlatformRequest = (platformVersion != null);
111 if (_isPlatformRequest) _version = platformVersion;
112 _query = request.getQueryString();
113 _testJRE = getParameter(request, TEST_JRE);
114 }
115
116
119 private DownloadRequest(DownloadRequest dreq) {
120 _encoding = dreq._encoding;
121 _context = dreq._context;
122 _httpRequest = dreq._httpRequest;
123 _path = dreq._path;
124 _version = dreq._currentVersionId;
125 _currentVersionId = null;
126 _os = dreq._os;
127 _arch = dreq._arch;
128 _locale = dreq._locale;
129 _knownPlatforms = dreq._knownPlatforms;
130 _isPlatformRequest = dreq._isPlatformRequest;
131 _query = dreq._query;
132 _testJRE = dreq._testJRE;
133 }
134
135
136 private String getParameter(HttpServletRequest req, String key) {
137 String res = req.getParameter(key);
138 return (res == null) ? null : res.trim();
139 }
140
141
142 static private String [] getStringList(String str) {
143 if (str == null) return null;
144 ArrayList list = new ArrayList ();
145 int i = 0;
146 int length = str.length();
147 StringBuffer sb = null;
148 while(i < length) {
149 char ch = str.charAt(i);
150 if (ch == ' ') {
151 if (sb != null) {
153 list.add(sb.toString());
154 sb = null;
155 }
156 } else if (ch == '\\') {
157 if (i + 1 < length) {
159 ch = str.charAt(++i);
160 if (sb == null) sb = new StringBuffer ();
161 sb.append(ch);
162 }
163 } else {
164 if (sb == null) sb = new StringBuffer ();
165 sb.append(ch);
166 }
167 i++; }
169 if (sb != null) {
171 list.add(sb.toString());
172 }
173 if (list.size() == 0) return null;
174 String [] results = new String [list.size()];
175 return (String [])list.toArray(results);
176 }
177
178
179 private String [] getParameterList(HttpServletRequest req, String key) {
180 String res = req.getParameter(key);
181 return (res == null) ? null : getStringList(res.trim());
182 }
183
184 public String getPath() { return _path; }
186 public String getVersion() { return _version; }
187 public String getCurrentVersionId() { return _currentVersionId; }
188 public String getQuery() { return _query; }
189 public String getTestJRE() { return _testJRE; }
190 public String getEncoding() { return _encoding; }
191 public String [] getOS() { return _os; }
192 public String [] getArch() { return _arch; }
193 public String [] getLocale() { return _locale; }
194 public String [] getKnownPlatforms() { return _knownPlatforms; }
195 public boolean isPlatformRequest() { return _isPlatformRequest; }
196 public HttpServletRequest getHttpRequest() { return _httpRequest; }
197
198
201 DownloadRequest getFromDownloadRequest() {
202 return new DownloadRequest(this);
203 }
204
205 public String toString() {
207 return "DownloadRequest[path=" + _path +
208 showEntry(" encoding=", _encoding) +
209 showEntry(" query=", _query) +
210 showEntry(" TestJRE=", _testJRE) +
211 showEntry(" version=", _version) +
212 showEntry(" currentVersionId=", _currentVersionId) +
213 showEntry(" os=", _os) +
214 showEntry(" arch=", _arch) +
215 showEntry(" locale=", _locale) +
216 showEntry(" knownPlatforms=", _knownPlatforms)
217 + " isPlatformRequest=" + _isPlatformRequest + "]";
218 }
219
220 private String showEntry(String msg, String value) {
221 if (value == null) return "";
222 return msg + value;
223 }
224
225 private String showEntry(String msg, String [] value) {
226 if (value == null) return "";
227 return msg + java.util.Arrays.asList(value).toString();
228 }
229 }
230
231
232 |
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