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1
9 package org.jboss.portal.server;
10
11 import org.jboss.portal.common.concurrent.Valve;
12 import org.jboss.portal.server.invocation.AttachmentKey;
13 import org.jboss.portal.server.invocation.Interceptor;
14 import org.jboss.portal.server.invocation.Invocation;
15 import org.jboss.portal.server.invocation.InvocationType;
16 import org.jboss.portal.server.kernel.Service;
17 import org.jboss.portal.server.kernel.ServiceImplementation;
18 import org.jboss.portal.server.output.UnavailableResult;
19 import org.jboss.portal.server.plugins.invocation.InvocationPlugin;
20 import org.jboss.portal.server.plugins.mode.ContentTypes;
21 import org.jboss.portal.server.plugins.mode.Mode;
22 import org.jboss.portal.server.plugins.windowstate.WindowState;
23 import org.jboss.portal.server.util.Parameters;
24 import org.jboss.portal.server.user.UserContext;
25
26
30 public abstract class Component
31 extends ServerObject
32 {
33
34
35 protected Application application;
36
37
38 protected Integer  expirationCache;
39
40
41 protected final Valve valve;
42
43 protected Component(String name)
44 {
45 super(name);
46 this.valve = new Valve();
47 }
48
49 public PortalServer getServer()
50 {
51 return application.getServer();
52 }
53
54
57 public Integer getExpirationCache()
58 {
59 return expirationCache;
60 }
61
62 public ContentTypes getContentTypes()
63 {
64 return (ContentTypes)getPlugin(PortalConstants.PLUGIN_CONTENT_TYPES);
65 }
66
67
70 public Object invoke(Invocation invocation)
71 {
72 try
73 {
74 if (valve.beforeInvocation())
75 {
76 InvocationType itype = (InvocationType)invocation.getAttachment(AttachmentKey.INVOCATION_TYPE);
77 PortalRequest preq = (PortalRequest)invocation.getAttachment(AttachmentKey.PORTAL_REQUEST);
78 WindowContext wctx = (WindowContext)invocation.getAttachment(AttachmentKey.WINDOW_CONTEXT);
79
80 InvocationType pitype = null;
82 if (itype == InvocationType.PROCESS_TARGET)
83 {
84 String windowStateAsString = preq.getControlParameters().getParameter("windowstate");
86 WindowState windowState = windowStateAsString != null ? WindowState.create(windowStateAsString) : null;
87
88 if (windowState != null)
90 {
91 wctx.setWindowState(windowState);
93 }
94
95 String portletModeAsString = preq.getControlParameters().getParameter("mode");
97 Mode mode = portletModeAsString != null ? Mode.create(portletModeAsString) : null;
98
99 if (mode != null)
101 {
102 PortalResponse resp = (PortalResponse)invocation.getAttachment(AttachmentKey.PORTAL_RESPONSE);
104 Window window = (Window)invocation.getAttachment(AttachmentKey.WINDOW);
105 Instance instance = window.getInstance();
106 Component component = instance.getComponent();
107 ContentTypes ct = component.getContentTypes();
108 if (ct.isSupported(mode, resp.getContentType()))
109 {
110 wctx.setMode(mode);
111 }
112 else
113 {
114 wctx.setMode(Mode.VIEW);
115 }
116 }
117
118 String pitypeAsString = preq.getControlParameters().getParameter("type");
119 if ("action".equals(pitypeAsString))
120 {
121 pitype = InvocationType.ACTION;
122 try
123 {
124 InvocationPlugin ip = (InvocationPlugin)getPlugin(PortalConstants.PLUGIN_INVOCATION);
126 Interceptor[] stack = ip.getStack();
127
128 invocation.setAttachment(AttachmentKey.INVOCATION_TYPE, pitype);
130 return invocation.invokeNext(stack);
131 }
132 finally
133 {
134 invocation.setAttachment(AttachmentKey.INVOCATION_TYPE, itype);
135 }
136 }
137 else if ("render".equals(pitypeAsString))
138 {
139 UserContext userCtx = (UserContext)invocation.getAttachment(AttachmentKey.USER_CONTEXT);
141 Window window = (Window)invocation.getAttachment(AttachmentKey.WINDOW);
142 InstanceContext ictx = (InstanceContext)userCtx.getContext(window.getInstance());
143
144 Parameters newParameters = preq.getTargetParameters();
146 Parameters oldParameters = ictx.getParameters();
147 oldParameters.setParameters(newParameters);
148
149 return null;
151 }
152 else if ("nav".equals(pitypeAsString))
153 {
154 return null;
156 }
157 else
158 {
159 throw new IllegalArgumentException ();
160 }
161 }
162 else if (itype == InvocationType.PROCESS_RENDER)
163 {
164 pitype = InvocationType.RENDER;
165 try
166 {
167 InvocationPlugin ip = (InvocationPlugin)getPlugin(PortalConstants.PLUGIN_INVOCATION);
169 Interceptor[] stack = ip.getStack();
170
171 invocation.setAttachment(AttachmentKey.INVOCATION_TYPE, pitype);
173 return invocation.invokeNext(stack);
174 }
175 finally
176 {
177 invocation.setAttachment(AttachmentKey.INVOCATION_TYPE, itype);
178 }
179 }
180 else
181 {
182 throw new IllegalArgumentException ();
183 }
184 }
185 else
186 {
187 return new UnavailableResult((WindowContext)invocation.getAttachment(AttachmentKey.WINDOW_CONTEXT));
188 }
189 }
190 finally
191 {
192 valve.afterInvocation();
193 }
194 }
195
196
199 public Valve getValve()
200 {
201 return valve;
202 }
203
204
207 public Application getApplication()
208 {
209 return application;
210 }
211
212 public void addIDependOn(ServiceImplementation implementation)
213 {
214 Service service = implementation.getService();
215 if (service instanceof Application)
216 {
217 application = (Application)service;
218 }
219 else
220 {
221 super.addIDependOn(implementation);
222 }
223 }
224
225 public void removeIDependOn(ServiceImplementation implementation)
226 {
227 Service service = implementation.getService();
228 if (service instanceof Application)
229 {
230 application = null;
231 }
232 else
233 {
234 super.removeIDependOn(implementation);
235 }
236 }
237 }
238 |
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