|
1
5
6
13 package org.exoplatform.services.portletcontainer.impl.portletAPIImp;
14
15
16 import java.io.IOException  ;
17 import java.util.Collection ;
18 import java.util.Enumeration ;
19 import java.util.Iterator ;
20 import java.util.List ;
21 import java.util.Map ;
22 import java.util.Set ;
23
24 import javax.portlet.ActionResponse;
25 import javax.portlet.PortletMode;
26 import javax.portlet.PortletModeException;
27 import javax.portlet.WindowState;
28 import javax.portlet.WindowStateException;
29 import javax.servlet.http.HttpServletResponse ;
30 import org.exoplatform.container.PortalContainer;
31 import org.exoplatform.services.portletcontainer.impl.PortletContainerConf;
32 import org.exoplatform.services.portletcontainer.pci.ActionOutput;
33 import org.exoplatform.services.portletcontainer.pci.Input;
34 import org.exoplatform.services.portletcontainer.pci.model.Portlet;
35 import org.exoplatform.services.portletcontainer.pci.model.Supports;
36
37
38 public class ActionResponseImp extends PortletResponseImp
39 implements ActionResponse {
40
41 private String location;
42 private boolean sendRedirectAlreadyOccured;
43 private boolean redirectionPossible;
44 private Input input;
45 private Portlet portletDatas;
46
47 public ActionResponseImp(HttpServletResponse httpServletResponse) {
48 super(httpServletResponse);
49 }
50
51 public void fillActionResponse(Input input, Portlet portletDatas){
52 this.portletDatas = portletDatas;
53 this.input = input;
54 this.redirectionPossible = true;
55 this.sendRedirectAlreadyOccured = false;
56 }
57
58 public void emptyActionResponse() {
59 this.redirectionPossible = false;
60 this.sendRedirectAlreadyOccured = false;
61 }
62
63 public void setWindowState(WindowState windowState) throws WindowStateException {
64 if(sendRedirectAlreadyOccured)
65 throw new IllegalStateException ("sendRedirect was already called");
66 if(windowState == null){
67 throw new WindowStateException("The portlet mode is null", windowState);
68 }
69 if (windowState == WindowState.NORMAL || windowState == WindowState.MINIMIZED ||
70 windowState == WindowState.MAXIMIZED) {
71 ((ActionOutput) super.getOutput()).setNextState(windowState);
72 redirectionPossible = false;
73 return;
74 }
75 PortalContainer manager = PortalContainer.getInstance();
76 Enumeration e =
77 ((PortletContainerConf)manager.getComponentInstanceOfType(PortletContainerConf.class)).
78 getSupportedWindowStates();
79 while (e.hasMoreElements()) {
80 WindowState state = (WindowState) e.nextElement();
81 if (state.toString().equals(windowState.toString())) {
82 ((ActionOutput) super.getOutput()).setNextState(windowState);
83 redirectionPossible = false;
84 return;
85 }
86 }
87 throw new WindowStateException("The window state " + windowState.toString() + " is not supported by the portlet container", windowState);
88 }
89
90 public void setPortletMode(PortletMode portletMode) throws PortletModeException {
91 if(sendRedirectAlreadyOccured)
92 throw new IllegalStateException ("sendRedirect was already called");
93 if(portletMode == null)
94 throw new PortletModeException("The portlet mode is null", portletMode);
95 if (portletMode == PortletMode.VIEW) {
96 ((ActionOutput) super.getOutput()).setNextMode(portletMode);
97 redirectionPossible = false;
98 return;
99 }
100 List l = portletDatas.getSupports();
101 for (Iterator iterator = l.iterator(); iterator.hasNext();) {
102 Supports supports = (Supports) iterator.next();
103 if (input.getMarkup().equals(supports.getMimeType())) {
104 List modeList = supports.getPortletMode();
105 for (Iterator iterator1 = modeList.iterator(); iterator1.hasNext();) {
106 String modeString = (String ) iterator1.next() ;
107 modeString = modeString.toLowerCase() ;
108 if (modeString != null && modeString.equals(portletMode.toString())) {
109 ((ActionOutput) super.getOutput()).setNextMode(portletMode);
110 redirectionPossible = false;
111 return;
112 }
113 }
114 }
115 }
116 throw new PortletModeException("The mode " + portletMode.toString() + " is not supported by that portlet",
117 portletMode);
118 }
119
120 public void setRenderParameters(Map map) {
121 if(map == null)
122 throw new IllegalArgumentException ("the map given is null");
123 if(map.containsKey(null))
124 throw new IllegalArgumentException ("the map given contains a null key");
125 Set keys = map.keySet();
126 for (Iterator iter = keys.iterator(); iter.hasNext();) {
127 if(! (iter.next() instanceof String ))
128 throw new IllegalArgumentException ("the map contains a non String key");
129 }
130 Collection values = map.values();
131 for (Iterator iter = values.iterator(); iter.hasNext();) {
132 if(! (iter.next() instanceof String [] ))
133 throw new IllegalArgumentException ("the map contains a non String[] value");
134 }
135 if(sendRedirectAlreadyOccured)
136 throw new IllegalStateException ("sendRedirect was already called");
137 redirectionPossible = false;
138 ((ActionOutput) super.getOutput()).setRenderParameters(map);
139 }
140
141 public void setRenderParameter(String s, String s1) {
142 if(s == null) throw new IllegalArgumentException ("the key given is null");
143 if(s1 == null) throw new IllegalArgumentException ("the value given is null");
144 if(sendRedirectAlreadyOccured)
145 throw new IllegalStateException ("sendRedirect was already called");
146 redirectionPossible = false;
147 ((ActionOutput) super.getOutput()).setRenderParameter(s, s1);
148 }
149
150 public void setRenderParameter(String s, String [] strings) {
151 if(s == null)
152 throw new IllegalArgumentException ("the key given is null");
153 if(strings == null)
154 throw new IllegalArgumentException ("the value given is null");
155 if(sendRedirectAlreadyOccured)
156 throw new IllegalStateException ("sendRedirect was already called");
157 redirectionPossible = false;
158 ((ActionOutput) super.getOutput()).setRenderParameters(s, strings);
159 }
160
161 public void sendRedirect(String location)
162 throws IOException ,
163 IllegalArgumentException ,
164 IllegalStateException {
165
166 if(!redirectionPossible)
167 throw new IllegalStateException (" The sendRedirect method can not be invoked " +
168 "after any of the following methods of the ActionResponse interface has " +
169 "been called: setPortletMode, setWindowState, setRenderParameter, " +
170 "setRenderParameters");
171 if(location.startsWith("/") || location.startsWith("http://")){
172 this.sendRedirectAlreadyOccured = true;
173 this.location = location;
174 } else {
175 throw new IllegalArgumentException ("a relative or incorrect path URL is given");
176 }
177 }
178
179 public String getLocation() {
180 return location;
181 }
182
183 public boolean isSendRedirectAlreadyOccured() {
184 return sendRedirectAlreadyOccured;
185 }
186 }
187 |
Popular Tags |
Java API By Example, From Geeks To Geeks.