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1
25 package org.ofbiz.webapp.taglib;
26
27 import java.util.Iterator  ;
28 import java.util.Map ;
29 import javax.servlet.jsp.JspTagException ;
30 import javax.servlet.jsp.PageContext ;
31
32 import org.ofbiz.base.util.Debug;
33 import org.ofbiz.entity.GenericValue;
34 import org.ofbiz.service.GenericServiceException;
35 import org.ofbiz.service.LocalDispatcher;
36
37
44 public class ServiceTag extends AbstractParameterTag {
45
46 protected String serviceName;
47 protected String resultScope = "page";
48 protected String mode = "sync";
49
50 public static final String module = ServiceTag.class.getName();
51
52 public void setName(String serviceName) {
53 this.serviceName = serviceName;
54 }
55
56 public String getName() {
57 return serviceName;
58 }
59
60 public void setMode(String mode) {
61 this.mode = mode;
62 }
63
64 public String getMode() {
65 return mode;
66 }
67
68 public void setResultTo(String resultScope) {
69 this.resultScope = resultScope;
70 }
71
72 public String getResultTo() {
73 return resultScope;
74 }
75
76 public int doEndTag() throws JspTagException {
77 LocalDispatcher dispatcher = (LocalDispatcher) pageContext.getRequest().getAttribute("dispatcher");
78
79 if (dispatcher == null)
80 throw new JspTagException ("Cannot get dispatcher from the request object.");
81
82 GenericValue userLogin = (GenericValue) pageContext.getSession().getAttribute("userLogin");
83
84 int scope = PageContext.PAGE_SCOPE;
85 char scopeChar = resultScope.toUpperCase().charAt(0);
86
87 switch (scopeChar) {
88 case 'A':
89 scope = PageContext.APPLICATION_SCOPE;
90 break;
91
92 case 'S':
93 scope = PageContext.SESSION_SCOPE;
94 break;
95
96 case 'R':
97 scope = PageContext.REQUEST_SCOPE;
98 break;
99
100 case 'P':
101 scope = PageContext.PAGE_SCOPE;
102 break;
103
104 default:
105 throw new JspTagException ("Invaild result scope specified. (page, request, session, application)");
106 }
107
108 Map context = getInParameters();
109 Map result = null;
110
111 if (userLogin != null)
112 context.put("userLogin", userLogin);
113 try {
114 if (mode.equalsIgnoreCase("async"))
115 dispatcher.runAsync(serviceName, context);
116 else
117 result = dispatcher.runSync(serviceName, context);
118 } catch (GenericServiceException e) {
119 Debug.logError(e, module);
120 throw new JspTagException ("Problems invoking the requested service: " + e.getMessage());
121 }
122
123 Map aliases = getOutParameters();
124
125 if (result != null) {
126 Iterator i = result.entrySet().iterator();
128
129 while (i.hasNext()) {
130 Map.Entry entry = (Map.Entry ) i.next();
131 Object key = entry.getKey();
132 Object value = entry.getValue();
133 String ctxName = (String ) (aliases.containsKey(key) ? aliases.get(key) : key);
134
135 if (value == null) value = new String ();
136 pageContext.setAttribute(ctxName, value, scope);
137 }
138 }
139
140 return EVAL_PAGE;
141 }
142
143 }
144
145 |
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