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comparison src/main/java/edu/harvard/iq/dataverse/TemplatePage.java @ 10:a50cf11e5178

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Rewrite LGDataverse completely upgrading to dataverse4.0
author Zoe Hong <zhong@mpiwg-berlin.mpg.de>
date Tue, 08 Sep 2015 17:00:21 +0200
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9:5926d6419569 10:a50cf11e5178
1 package edu.harvard.iq.dataverse;
2
3 import edu.harvard.iq.dataverse.engine.command.Command;
4 import edu.harvard.iq.dataverse.engine.command.exception.CommandException;
5 import edu.harvard.iq.dataverse.engine.command.impl.UpdateDataverseCommand;
6 import edu.harvard.iq.dataverse.engine.command.impl.UpdateDataverseTemplateCommand;
7 import edu.harvard.iq.dataverse.util.JsfHelper;
8 import static edu.harvard.iq.dataverse.util.JsfHelper.JH;
9 import java.sql.Timestamp;
10 import java.util.Date;
11 import java.util.Set;
12 import javax.ejb.EJB;
13 import javax.ejb.EJBException;
14 import javax.faces.application.FacesMessage;
15 import javax.faces.context.FacesContext;
16 import javax.faces.view.ViewScoped;
17 import javax.inject.Inject;
18 import javax.inject.Named;
19 import javax.validation.ConstraintViolation;
20 import javax.validation.Validation;
21 import javax.validation.Validator;
22 import javax.validation.ValidatorFactory;
23
24 /**
25 *
26 * @author skraffmiller
27 */
28 @ViewScoped
29 @Named("TemplatePage")
30 public class TemplatePage implements java.io.Serializable {
31
32 @EJB
33 TemplateServiceBean templateService;
34
35 @EJB
36 DataverseServiceBean dataverseService;
37
38 @EJB
39 EjbDataverseEngine commandEngine;
40
41 @EJB
42 DataverseFieldTypeInputLevelServiceBean dataverseFieldTypeInputLevelService;
43
44 @Inject
45 DataverseSession session;
46
47 public enum EditMode {
48
49 CREATE, METADATA
50 };
51
52 private Template template;
53 private Dataverse dataverse;
54 private EditMode editMode;
55 private Long ownerId;
56 private Long templateId;
57
58 public Long getTemplateId() {
59 return templateId;
60 }
61
62 public void setTemplateId(Long templateId) {
63 this.templateId = templateId;
64 }
65
66 public Template getTemplate() {
67 return template;
68 }
69
70 public void setTemplate(Template template) {
71 this.template = template;
72 }
73
74 public Dataverse getDataverse() {
75 return dataverse;
76 }
77
78 public void setDataverse(Dataverse dataverse) {
79 this.dataverse = dataverse;
80 }
81
82 public EditMode getEditMode() {
83 return editMode;
84 }
85
86 public void setEditMode(EditMode editMode) {
87 this.editMode = editMode;
88 }
89
90 public Long getOwnerId() {
91 return ownerId;
92 }
93
94 public void setOwnerId(Long ownerId) {
95 this.ownerId = ownerId;
96 }
97
98 public void init() {
99 if (templateId != null) { // edit or view existing for a template
100 dataverse = dataverseService.find(ownerId);
101 template = templateService.find(templateId);
102 template.setDataverse(dataverse);
103 template.setMetadataValueBlocks();
104 updateDatasetFieldInputLevels();
105 } else if (ownerId != null) {
106 // create mode for a new template
107 dataverse = dataverseService.find(ownerId);
108 editMode = TemplatePage.EditMode.CREATE;
109 template = new Template(this.dataverse);
110 updateDatasetFieldInputLevels();
111 } else {
112 throw new RuntimeException("On Template page without id or ownerid."); // improve error handling
113 }
114 }
115
116 private void updateDatasetFieldInputLevels(){
117 Long dvIdForInputLevel = ownerId;
118 if (!dataverseService.find(ownerId).isMetadataBlockRoot()){
119 dvIdForInputLevel = dataverseService.find(ownerId).getMetadataRootId();
120 }
121
122 for (DatasetField dsf: template.getFlatDatasetFields()){
123 DataverseFieldTypeInputLevel dsfIl = dataverseFieldTypeInputLevelService.findByDataverseIdDatasetFieldTypeId(dvIdForInputLevel, dsf.getDatasetFieldType().getId());
124 if (dsfIl != null){
125 dsf.setInclude(dsfIl.isInclude());
126 } else {
127 dsf.setInclude(true);
128 }
129 }
130 }
131
132 public void edit(TemplatePage.EditMode editMode) {
133 this.editMode = editMode;
134 }
135
136 public String save() {
137
138 boolean dontSave = false;
139 ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
140 Validator validator = factory.getValidator();
141 for (DatasetField dsf : template.getFlatDatasetFields()) {
142 dsf.setValidationMessage(null); // clear out any existing validation message
143 Set<ConstraintViolation<DatasetField>> constraintViolations = validator.validate(dsf);
144 for (ConstraintViolation<DatasetField> constraintViolation : constraintViolations) {
145 FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "Validation Error", constraintViolation.getMessage()));
146 dsf.setValidationMessage(constraintViolation.getMessage());
147 dontSave = true;
148 break; // currently only support one message, so we can break out of the loop after the first constraint violation
149 }
150 for (DatasetFieldValue dsfv : dsf.getDatasetFieldValues()) {
151 dsfv.setValidationMessage(null); // clear out any existing validation message
152 Set<ConstraintViolation<DatasetFieldValue>> constraintViolations2 = validator.validate(dsfv);
153 for (ConstraintViolation<DatasetFieldValue> constraintViolation : constraintViolations2) {
154 FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "Validation Error", constraintViolation.getMessage()));
155 dsfv.setValidationMessage(constraintViolation.getMessage());
156 dontSave = true;
157 break; // currently only support one message, so we can break out of the loop after the first constraint violation
158 }
159 }
160 }
161 if (dontSave) {
162 return "";
163 }
164 boolean create = false;
165 Command cmd;
166 try {
167 if (editMode == EditMode.CREATE) {
168 template.setCreateTime(new Timestamp(new Date().getTime()));
169 template.setUsageCount(new Long(0));
170 dataverse.getTemplates().add(template);
171 cmd = new UpdateDataverseCommand(dataverse, null, null, session.getUser(), null);
172 create = true;
173 commandEngine.submit(cmd);
174 } else {
175 cmd = new UpdateDataverseTemplateCommand(dataverse, template, session.getUser());
176 commandEngine.submit(cmd);
177 }
178
179 } catch (EJBException ex) {
180 StringBuilder error = new StringBuilder();
181 error.append(ex + " ");
182 error.append(ex.getMessage() + " ");
183 Throwable cause = ex;
184 while (cause.getCause() != null) {
185 cause = cause.getCause();
186 error.append(cause + " ");
187 error.append(cause.getMessage() + " ");
188 }
189 //
190 //FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "Template Save Failed", " - " + error.toString()));
191 System.out.print("dataverse " + dataverse.getName());
192 System.out.print("Ejb exception");
193 System.out.print(error.toString());
194 JH.addMessage(FacesMessage.SEVERITY_FATAL, "Template Save Failed");
195 return null;
196 } catch (CommandException ex) {
197 System.out.print("command exception");
198 System.out.print(ex.toString());
199 //FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "Template Save Failed", " - " + ex.toString()));
200 JH.addMessage(FacesMessage.SEVERITY_FATAL, "Template Save Failed");
201 return null;
202 //logger.severe(ex.getMessage());
203 }
204 editMode = null;
205 String msg = (create)? "Template has been created.": "Template has been edited and saved.";
206 JsfHelper.addFlashMessage(msg);
207 return "/manage-templates.xhtml?dataverseId=" + dataverse.getId() + "&faces-redirect=true";
208 }
209
210 public void cancel() {
211 editMode = null;
212 }
213
214 }