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1
16
19
20 package org.apache.pluto.core.impl;
21
22 import java.util.HashMap  ;
23 import java.util.Iterator ;
24 import java.util.Map ;
25
26 import javax.portlet.ActionResponse;
27 import javax.portlet.PortletMode;
28 import javax.portlet.PortletModeException;
29 import javax.portlet.WindowState;
30 import javax.portlet.WindowStateException;
31
32 import org.apache.pluto.core.InternalActionResponse;
33 import org.apache.pluto.om.window.PortletWindow;
34 import org.apache.pluto.services.information.DynamicInformationProvider;
35 import org.apache.pluto.services.information.InformationProviderAccess;
36 import org.apache.pluto.services.information.ResourceURLProvider;
37 import org.apache.pluto.util.StringUtils;
38
39 public class ActionResponseImpl extends PortletResponseImpl
40 implements ActionResponse, InternalActionResponse {
41
42
45 boolean redirectAllowed = true;
46
47 private boolean redirected;
48 private String redirectLocation;
49
50 private Map renderParameters = new HashMap ();
51 private WindowState windowState = null;
52 private PortletMode portletMode = null;
53
54 private DynamicInformationProvider provider;
55
56
57 public ActionResponseImpl(PortletWindow portletWindow,
58 javax.servlet.http.HttpServletRequest servletRequest,
59 javax.servlet.http.HttpServletResponse servletResponse)
60 {
61 super(portletWindow, servletRequest, servletResponse);
62
63 provider = InformationProviderAccess.getDynamicProvider(getHttpServletRequest());
64
65 }
66
67 public void setWindowState (WindowState windowState) throws WindowStateException
69 {
70 if (redirected) {
71 throw new IllegalStateException ("it is not allowed to invoke setWindowState after sendRedirect has been called");
72 }
73
74 if (provider.isWindowStateAllowed(windowState)) {
75 this.windowState = windowState;
76 } else {
77 throw new WindowStateException("Can't set this WindowState",windowState);
78 }
79 redirectAllowed = false;
80 }
81
82 public void setPortletMode (PortletMode portletMode) throws PortletModeException
83 {
84 if (redirected) {
85 throw new IllegalStateException ("it is not allowed to invoke setPortletMode after sendRedirect has been called");
86 }
87
88 boolean supported = provider.isPortletModeAllowed(portletMode);
90
91 if (supported)
93 {
94 supported = PortletModeHelper.isPortletModeAllowedByPortlet(getInternalPortletWindow(), portletMode);
95 }
96
97 if (supported) {
99 this.portletMode = portletMode;
100 } else
101 throw new PortletModeException("Can't set this PortletMode",portletMode);
102
103 redirectAllowed = false;
104
105 }
106
107 public void sendRedirect(String location) throws java.io.IOException
108 {
109 if (redirectAllowed) {
110 if (location != null) {
111 javax.servlet.http.HttpServletResponse redirectResponse = _getHttpServletResponse();
112 while (redirectResponse instanceof javax.servlet.http.HttpServletResponseWrapper ) {
113 redirectResponse = (javax.servlet.http.HttpServletResponse )
114 ((javax.servlet.http.HttpServletResponseWrapper )redirectResponse).getResponse();
115 }
116 ResourceURLProvider provider = InformationProviderAccess.getDynamicProvider(getHttpServletRequest()).getResourceURLProvider(getInternalPortletWindow());
117 if (location.indexOf("://") != -1) {
118 provider.setAbsoluteURL(location);
119 } else if (location.startsWith("/")) {
120 provider.setFullPath(location);
121 } else {
122 throw new IllegalArgumentException ("Only absolute and full path URLs are allowed. The relative path '" + location+"' is not valid.");
123 }
124 location = redirectResponse.encodeRedirectURL(provider.toString());
125 redirectLocation = location;
127 redirected = true;
128 }
129 } else
130 throw new java.lang.IllegalStateException ("Can't invoke sendRedirect() after certain methods have been called");
131
132 }
133
134 public void setRenderParameters(Map parameters)
135 {
136 if (redirected) {
137 throw new IllegalStateException ("Can't invoke setRenderParameters() after sendRedirect() has been called");
138 }
139 if (parameters == null) {
140 throw new IllegalArgumentException ("Render parameters must not be null.");
141 }
142 for (Iterator iter = parameters.entrySet().iterator(); iter.hasNext();) {
143 Map.Entry entry = (Map.Entry )iter.next();
144 if (!(entry.getKey() instanceof String )) {
145 throw new IllegalArgumentException ("Key must not be null and of type java.lang.String.");
146 }
147 if (!(entry.getValue() instanceof String [])) {
148 throw new IllegalArgumentException ("Value must not be null and of type java.lang.String[].");
149 }
150 }
151
152 renderParameters = StringUtils.copyParameters(parameters);
153
154 redirectAllowed = false;
155 }
156
157 public void setRenderParameter(String key, String value)
158 {
159 if (redirected) {
160 throw new IllegalStateException ("Can't invoke setRenderParameter() after sendRedirect() has been called");
161 }
162
163 if ((key == null) || (value == null)) {
164 throw new IllegalArgumentException ("Render parameter key or value must not be null.");
165 }
166
167 renderParameters.put(key, new String [] {value});
168
169 redirectAllowed = false;
170 }
171
172 public void setRenderParameter(String key, String [] values)
173 {
174 if (redirected) {
175 throw new IllegalStateException ("Can't invoke setRenderParameter() after sendRedirect() has been called");
176 }
177
178 if (key == null || values == null || values.length == 0) {
179 throw new IllegalArgumentException ("Render parameter key or value must not be null or values be an empty array.");
180 }
181
182 renderParameters.put(key, StringUtils.copy(values));
183
184 redirectAllowed = false;
185 }
186
188 public Map getRenderParameters()
190 {
191 return renderParameters;
192 }
193
194 public PortletMode getChangedPortletMode()
195 {
196 return this.portletMode;
197 }
198
199 public WindowState getChangedWindowState()
200 {
201 return this.windowState;
202 }
203
204 public String getRedirectLocation() {
205 return redirectLocation;
206 }
207 }
209 |
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