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1
48
49
50 package com.caucho.portal.generic;
51
52 import javax.portlet.PortletContext;
53 import javax.portlet.PortletSession;
54 import javax.servlet.http.HttpSession  ;
55 import java.util.Enumeration ;
56 import java.util.NoSuchElementException ;
57 import java.util.logging.Logger ;
58
59
62 public class HttpPortletSession implements PortletSession {
63 static protected final Logger log
64 = Logger.getLogger(HttpPortletSession.class.getName());
65
66 public final String PORTLET_SCOPE_PREFIX = "javax.portlet.p.";
67 public final String PORTLET_SCOPE_RESERVED_PREFIX = "javax.portlet.p.javax.portlet.";
68
69 private PortletContext _portletContext;
70 private HttpSession _httpSession;
71
72 public HttpPortletSession()
73 {
74 }
75
76 public void start( PortletContext portletContext,
77 HttpSession httpSession )
78 {
79 _portletContext = portletContext;
80 _httpSession = httpSession;
81
82 if (_httpSession != null) {
83 for (Enumeration en = _httpSession.getAttributeNames(); en.hasMoreElements(); ) {
84 String name = (String ) en.nextElement();
85 Object value = _httpSession.getAttribute(name);
86 }
87 }
88
89 }
90
91
95 public void finish()
96 {
97 _httpSession = null;
98 _portletContext = null;
99 }
100
101 public PortletContext getPortletContext()
102 {
103 return _portletContext;
104 }
105
106 public HttpSession getHttpSession()
107 {
108 return _httpSession;
109 }
110
111 private String scopedName(String name, int scope)
112 {
113 if (name == null)
114 throw new IllegalArgumentException ("name is null");
115
116 if (false) throw new IllegalStateException ("session is invalid");
118
119 if (scope == APPLICATION_SCOPE) {
120 }
121 else if (scope == PORTLET_SCOPE) {
122 StringBuffer sb = new StringBuffer (PORTLET_SCOPE_PREFIX);
123 sb.append(name);
124 name = sb.toString();
125 }
126 else {
127 throw new IllegalArgumentException ("invalid scope `" + scope + "'");
128 }
129
130 return name;
131 }
132
133 public Object getAttribute(String name)
134 {
135 return getAttribute(name,PORTLET_SCOPE);
136 }
137
138 public Object getAttribute(String name,int scope)
139 {
140 return _httpSession.getAttribute(scopedName(name,scope));
141 }
142
143 public Enumeration getAttributeNames()
144 {
145 return getAttributeNames(PORTLET_SCOPE);
146 }
147
148 public Enumeration getAttributeNames(int scope)
149 {
150 if (scope == APPLICATION_SCOPE) {
151 return _httpSession.getAttributeNames();
152 }
153 else if (scope == PORTLET_SCOPE) {
154 return new Enumeration () {
155 private Enumeration _e = _httpSession.getAttributeNames();
156 private Object _next;
157
158 public boolean hasMoreElements()
159 {
160 nextIfNeeded();
161 return _next != null ? true : false;
162 }
163
164 public Object nextElement()
165 {
166 nextIfNeeded();
167 if (_next == null)
168 throw new NoSuchElementException ();
169 String result = (String ) _next;
170 result = result.substring(PORTLET_SCOPE_PREFIX.length());
171 _next = null;
172 return result;
173 }
174
175 private void nextIfNeeded()
176 {
177 if (_next == null) {
178 while (_e.hasMoreElements()) {
179 String e = (String ) _e.nextElement();
180 if (e.startsWith(PORTLET_SCOPE_PREFIX)) {
181 if (!e.startsWith(PORTLET_SCOPE_RESERVED_PREFIX)) {
182 _next = e;
183 break;
184 }
185 }
186 }
187 }
188 }
189 };
190 }
191 else {
192 throw new IllegalArgumentException ("invalid scope `" + scope + "'");
193 }
194 }
195
196 public long getCreationTime()
197 {
198 return _httpSession.getCreationTime();
199 }
200
201 public String getId()
202 {
203 return _httpSession.getId();
204 }
205
206 public long getLastAccessedTime()
207 {
208 return _httpSession.getLastAccessedTime();
209 }
210
211 public int getMaxInactiveInterval()
212 {
213 return _httpSession.getMaxInactiveInterval();
214 }
215
216 public void invalidate()
217 {
218 _httpSession.invalidate();
219 }
220
221 public boolean isNew()
222 {
223 return _httpSession.isNew();
224 }
225
226 public void removeAttribute(String name)
227 {
228 removeAttribute(name,PORTLET_SCOPE);
229 }
230
231 public void removeAttribute(String name, int scope)
232 {
233 _httpSession.removeAttribute(scopedName(name,scope));
234 }
235
236 public void setAttribute(String name, Object value)
237 {
238 setAttribute(name,value,PORTLET_SCOPE);
239 }
240
241 public void setAttribute(String name, Object value, int scope)
242 {
243 _httpSession.setAttribute(scopedName(name,scope),value);
244 }
245
246 public void setMaxInactiveInterval(int interval)
247 {
248 _httpSession.setMaxInactiveInterval(interval);
249 }
250
251 }
252
253 |
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