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1
5
6 package org.exoplatform.services.workflow.impl;
7
8 import org.dom4j.Element;
9 import org.exoplatform.container.PortalContainer;
10 import org.exoplatform.services.log.LogService;
11 import org.exoplatform.services.workflow.Form;
12 import org.exoplatform.services.workflow.WorkflowExecutionService;
13 import org.exoplatform.services.workflow.format.DefaultFormat;
14 import org.jbpm.util.xml.Dom4jHelper;
15 import org.apache.commons.logging.Log;
16
17 import java.util.*;
18 import java.io.ByteArrayInputStream  ;
19 import java.io.IOException ;
20 import java.text.Format ;
21
22
27 public class FormImpl implements Form{
28
29 private String stateName;
30 private List variableFormats;
31 private List submitButtons;
32
33 private ResourceBundle resourceBundle;
34 private Log log;
35
36 public FormImpl(Long definitionId, Element formElement, WorkflowExecutionService executionService,
37 Locale locale) {
38
39 this.log = ((LogService)PortalContainer.getInstance().getComponentInstanceOfType(LogService.class)).
40 getLog("org.exoplatform.services.workflow");
41 String formFileName = Dom4jHelper.getElementText(formElement, "resource-bundle", null);
42
43 String localisedFileName = getLocalisedString(formFileName, locale);
45 log.debug("Try to find localised resource : " + localisedFileName);
46 byte[] bytes = executionService.getFile(definitionId, localisedFileName);
47 if(bytes == null) {
48 log.debug("Try to find default resource : " + formFileName + ".properties");
49 bytes = executionService.getFile(definitionId, formFileName + ".properties");
50 }
51 if(bytes != null)
52 log.debug("resource bundle found true");
53 else
54 log.debug("resource bundle found false");
55
56 try {
57 resourceBundle = new PropertyResourceBundle(new ByteArrayInputStream (bytes));
58 } catch (IOException e) {
59 e.printStackTrace();
60 }
61
62 this.stateName = Dom4jHelper.getElementText(formElement, "state-name", null);
63
64 initializeVariableFormats(formElement);
65 initializeSubmitButtons(formElement);
66 }
67
68 private String getLocalisedString(String fileName, Locale locale) {
69 return fileName + "_" + locale.getLanguage() + ".properties";
70 }
71
72 private void initializeVariableFormats(Element formElement) {
73 this.variableFormats = new ArrayList();
74 Iterator iter = formElement.elements("variable").iterator();
75 while (iter.hasNext()) {
76 Element variableElement = (Element) iter.next();
77
78 String variableName =
79 Dom4jHelper.getAttribute(variableElement, "name", null);
80 String formatClassName =
81 Dom4jHelper.getAttribute(variableElement, "format", null);
82 Format variableFormat = new DefaultFormat();
83 if (formatClassName != null) {
84 try {
85 variableFormat = (Format) Thread.currentThread().getContextClassLoader().
86 loadClass(formatClassName).newInstance();
87 } catch (Exception e) {
88 }
90 }
91 this.variableFormats.add(new Attribute(variableName, variableFormat));
92 }
93 }
94
95 private void initializeSubmitButtons(Element formElement) {
96 this.submitButtons = new ArrayList();
97 Iterator iter = formElement.elements("submitbutton").iterator();
98 while (iter.hasNext()) {
99 Element submitButtonElement = (Element) iter.next();
100 String value = Dom4jHelper.getAttribute(submitButtonElement, "value", null);
101 String transitionName = Dom4jHelper.getAttribute(submitButtonElement, "transition-name", null);
102 this.submitButtons.add(new Attribute(value, transitionName));
103 }
104 }
105
106 public List getVariableFormats() {
107 return variableFormats;
108 }
109
110 public List getSubmitButtons() {
111 return submitButtons;
112 }
113
114 public String getStateName() {
115 return stateName;
116 }
117
118 public ResourceBundle getResourceBundle() {
119 return resourceBundle;
120 }
121
122 }
123 |
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