Mercurial > dive4elements > gnv-client

comparison gnv/src/main/java/de/intevation/gnv/action/NextArtifactStepAction.java @ 163:1fe52a0cbd1f

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Catch NPE and tell the user that the Session has expired. issue80 gnv/trunk@324 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Wed, 11 Nov 2009 16:24:02 +0000
parents 013d47662161
children 5570d9b3282f
comparison
equal deleted inserted replaced
162:3be414dc974a 163:1fe52a0cbd1f
57 HttpServletResponse response) throws Exception { 57 HttpServletResponse response) throws Exception {
58 log.debug("NextArtifactStepAction.execute"); 58 log.debug("NextArtifactStepAction.execute");
59 SessionModel sm = SessionModelFactory.getInstance() 59 SessionModel sm = SessionModelFactory.getInstance()
60 .getSessionModel(request); 60 .getSessionModel(request);
61 ArtifactDescription ad = sm.getArtifactDescription(); 61 ArtifactDescription ad = sm.getArtifactDescription();
62 Collection<String> inputParameter = ad.getInputParameter(); 62 if (ad != null){
63 Collection<InputParameter> ips = null; 63 Collection<String> inputParameter = ad.getInputParameter();
64 if (inputParameter != null) { 64 Collection<InputParameter> ips = null;
65 ips = new ArrayList<InputParameter>(inputParameter.size()); 65 if (inputParameter != null) {
66 Iterator<String> it = inputParameter.iterator(); 66 ips = new ArrayList<InputParameter>(inputParameter.size());
67 while (it.hasNext()) { 67 Iterator<String> it = inputParameter.iterator();
68 String name = it.next(); 68 while (it.hasNext()) {
69 String[] values = request.getParameterValues(name); 69 String name = it.next();
70 InputParameter ip = new DefaultInputParameter(name, values); 70 String[] values = request.getParameterValues(name);
71 ips.add(ip); 71 InputParameter ip = new DefaultInputParameter(name, values);
72 ips.add(ip);
73 }
72 } 74 }
73 } 75 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory
74 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory 76 .getInstance()
75 .getInstance() 77 .getArtifactDatabaseClient(getLocale(request));
76 .getArtifactDatabaseClient(getLocale(request)); 78 if (ad.getReachableStates() != null
77 if (ad.getReachableStates() != null 79 && !ad.getReachableStates().isEmpty()) {
78 && !ad.getReachableStates().isEmpty()) { 80 // TODO: Woher kommt der zu erreichende Status;
79 // TODO: Woher kommt der zu erreichende Status; 81 String target = null;
80 String target = null; 82 if (ad.getReachableStates().size() > 1) {
81 if (ad.getReachableStates().size() > 1) { 83 target = request.getParameter("product"); // TODO HACK for
82 target = request.getParameter("product"); // TODO HACK for 84 // Propducts every
83 // Propducts every 85 // other Step has
84 // other Step has 86 // currently only
85 // currently only 87 // one reachable
86 // one reachable 88 // state.
87 // state. 89 } else {
90 target = ad.getReachableStates().iterator().next();
91 }
92
93 ArtifactDescription artifactDescription;
94 try {
95 artifactDescription = adc.doNextStep(sm.getSelectedArtifactFactory(),
96 sm.getCurrentArtifact(),
97 target, ips);
98 } catch (Exception e) {
99 log.error(e, e);
100 request.setAttribute(
101 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
102 .getMessage());
103 artifactDescription = sm.getArtifactDescription();
104 }
105
106 Node currentUI = artifactDescription.getCurrentUI();
107 if (currentUI != null){
108 XSLTransformer transformer = new XSLTransformer();
109 Node dynamicUINode = new XMLUtils().getNodeXPath(currentUI,"dynamic");
110 if (dynamicUINode != null){
111 String ui = transformer
112 .transform(
113 dynamicUINode,
114 "UTF-8",
115 request
116 .getRealPath("WEB-INF/config/templates/describe-ui.xsl"));
117
118 request.setAttribute("ui", ui);
119 }
120
121 Node staticUINode = new XMLUtils().getNodeXPath(currentUI, "static");
122 if (staticUINode != null){
123 String staticUI = transformer
124 .transform(
125 staticUINode,
126 "UTF-8",
127 request
128 .getRealPath("WEB-INF/config/templates/describe-ui-static.xsl"));
129 request.setAttribute("staticui", staticUI);
130 }
131 }
132 request.setAttribute("furthertargets",
133 (ad.getReachableStates() != null && !ad
134 .getReachableStates().isEmpty()));
135
88 } else { 136 } else {
89 target = ad.getReachableStates().iterator().next(); 137 // statistic abholen und in das sessionmodell schreiben.
138 ArtifactDescription artifactDescription;
139 try{
140 adc.doFeed(sm.getSelectedArtifactFactory(), sm
141 .getCurrentArtifact(), ips);
142
143 Collection<ArtifactStatisticValue> statistics = adc
144 .calculateStatistics(sm.getSelectedArtifactFactory(),
145 sm.getCurrentArtifact());
146 sm.setStatistics(statistics);
147 artifactDescription = adc
148 .getCurrentStepDescription(sm
149 .getSelectedArtifactFactory(), sm
150 .getCurrentArtifact(),
151 true);
152
153 request.setAttribute("diagramm", true);
154
155 } catch (Exception e) {
156 log.error(e, e);
157 request.setAttribute(
158 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
159 .getMessage());
160 artifactDescription = sm.getArtifactDescription();
161 }
162
163 Node currentUI = artifactDescription.getCurrentUI();
164 if (currentUI != null){
165 XSLTransformer transformer = new XSLTransformer();
166 Node dynamicUINode = new XMLUtils().getNodeXPath(currentUI,"dynamic");
167 if (dynamicUINode != null){
168 String ui = transformer
169 .transform(
170 dynamicUINode,
171 "UTF-8",
172 request
173 .getRealPath("WEB-INF/config/templates/describe-ui.xsl"));
174
175 request.setAttribute("ui", ui);
176 }
177
178 Node staticUINode = new XMLUtils().getNodeXPath(currentUI, "static");
179 if (staticUINode != null){
180 String staticUI = transformer
181 .transform(
182 staticUINode,
183 "UTF-8",
184 request
185 .getRealPath("WEB-INF/config/templates/describe-ui-static.xsl"));
186 request.setAttribute("staticui", staticUI);
187 }
188 }
189 request.setAttribute("furthertargets", false);
90 } 190 }
91 191 }else{
92 ArtifactDescription artifactDescription; 192 log.warn("SessionTimeout has occured");
93 try { 193 request.setAttribute(CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID,
94 artifactDescription = adc.doNextStep(sm.getSelectedArtifactFactory(), 194 "SessionTimeout has occured");
95 sm.getCurrentArtifact(), 195 new FetchArtifactFactoriesAction().execute(mapping, form, request, response);
96 target, ips);
97 } catch (Exception e) {
98 log.error(e, e);
99 request.setAttribute(
100 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
101 .getMessage());
102 artifactDescription = sm.getArtifactDescription();
103 }
104
105 Node currentUI = artifactDescription.getCurrentUI();
106 if (currentUI != null){
107 XSLTransformer transformer = new XSLTransformer();
108 Node dynamicUINode = new XMLUtils().getNodeXPath(currentUI,"dynamic");
109 if (dynamicUINode != null){
110 String ui = transformer
111 .transform(
112 dynamicUINode,
113 "UTF-8",
114 request
115 .getRealPath("WEB-INF/config/templates/describe-ui.xsl"));
116
117 request.setAttribute("ui", ui);
118 }
119
120 Node staticUINode = new XMLUtils().getNodeXPath(currentUI, "static");
121 if (staticUINode != null){
122 String staticUI = transformer
123 .transform(
124 staticUINode,
125 "UTF-8",
126 request
127 .getRealPath("WEB-INF/config/templates/describe-ui-static.xsl"));
128 request.setAttribute("staticui", staticUI);
129 }
130 }
131 request.setAttribute("furthertargets",
132 (ad.getReachableStates() != null && !ad
133 .getReachableStates().isEmpty()));
134
135 } else {
136 // statistic abholen und in das sessionmodell schreiben.
137 ArtifactDescription artifactDescription;
138 try{
139 adc.doFeed(sm.getSelectedArtifactFactory(), sm
140 .getCurrentArtifact(), ips);
141
142 Collection<ArtifactStatisticValue> statistics = adc
143 .calculateStatistics(sm.getSelectedArtifactFactory(),
144 sm.getCurrentArtifact());
145 sm.setStatistics(statistics);
146 artifactDescription = adc
147 .getCurrentStepDescription(sm
148 .getSelectedArtifactFactory(), sm
149 .getCurrentArtifact(),
150 true);
151
152 request.setAttribute("diagramm", true);
153
154 } catch (Exception e) {
155 log.error(e, e);
156 request.setAttribute(
157 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
158 .getMessage());
159 artifactDescription = sm.getArtifactDescription();
160 }
161
162 Node currentUI = artifactDescription.getCurrentUI();
163 if (currentUI != null){
164 XSLTransformer transformer = new XSLTransformer();
165 Node dynamicUINode = new XMLUtils().getNodeXPath(currentUI,"dynamic");
166 if (dynamicUINode != null){
167 String ui = transformer
168 .transform(
169 dynamicUINode,
170 "UTF-8",
171 request
172 .getRealPath("WEB-INF/config/templates/describe-ui.xsl"));
173
174 request.setAttribute("ui", ui);
175 }
176
177 Node staticUINode = new XMLUtils().getNodeXPath(currentUI, "static");
178 if (staticUINode != null){
179 String staticUI = transformer
180 .transform(
181 staticUINode,
182 "UTF-8",
183 request
184 .getRealPath("WEB-INF/config/templates/describe-ui-static.xsl"));
185 request.setAttribute("staticui", staticUI);
186 }
187 }
188 request.setAttribute("furthertargets", false);
189 } 196 }
190 return super.execute(mapping, form, request, response); 197 return super.execute(mapping, form, request, response);
191 } 198 }
192 199
193 } 200 }
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