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1
52
53 package freemarker.ext.servlet;
54
55 import java.util.HashMap  ;
56 import java.util.Map ;
57
58 import javax.servlet.ServletContext ;
59 import javax.servlet.http.HttpServletRequest ;
60 import javax.servlet.http.HttpSession ;
61
62 import freemarker.template.ObjectWrapper;
63 import freemarker.template.SimpleHash;
64 import freemarker.template.TemplateModel;
65 import freemarker.template.TemplateModelException;
66
67
81 class AllHttpScopesHashModel extends SimpleHash
82 {
83 private final ObjectWrapper wrapper;
84 private final ServletContext context;
85 private final HttpServletRequest request;
86 private final Map unlistedModels = new HashMap ();
87
88 AllHttpScopesHashModel(ObjectWrapper wrapper, ServletContext context, HttpServletRequest request) {
89 this.wrapper = wrapper;
90 this.context = context;
91 this.request = request;
92 }
93
94
101 void putUnlistedModel(String key, TemplateModel model)
102 {
103 unlistedModels.put(key, model);
104 }
105
106 public TemplateModel get(String key) throws TemplateModelException {
107 TemplateModel model = super.get(key);
109 if(model != null) {
110 return model;
111 }
112
113 model = (TemplateModel)unlistedModels.get(key);
115 if(model != null) {
116 return model;
117 }
118
119 Object obj = request.getAttribute(key);
121 if(obj != null) {
122 return wrapper.wrap(obj);
123 }
124
125 HttpSession session = request.getSession(false);
127 if(session != null) {
128 obj = session.getAttribute(key);
129 if(obj != null) {
130 return wrapper.wrap(obj);
131 }
132 }
133
134 obj = context.getAttribute(key);
136 if(obj != null) {
137 return wrapper.wrap(obj);
138 }
139
140 return wrapper.wrap(null);
142 }
143 }
144 |
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