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1
52
53 package freemarker.ext.servlet;
54
55 import javax.servlet.http.HttpServletRequest  ;
56 import javax.servlet.http.HttpServletResponse ;
57 import java.util.*;
58 import freemarker.template.*;
59
60
65 public final class HttpRequestHashModel implements TemplateHashModelEx
66 {
67 private final HttpServletRequest request;
68 private final HttpServletResponse response;
69 private final ObjectWrapper wrapper;
70
71 public HttpRequestHashModel(
72 HttpServletRequest request, ObjectWrapper wrapper)
73 {
74 this(request, null, wrapper);
75 }
76
77 public HttpRequestHashModel(
78 HttpServletRequest request, HttpServletResponse response,
79 ObjectWrapper wrapper)
80 {
81 this.request = request;
82 this.response = response;
83 this.wrapper = wrapper;
84 }
85
86 public TemplateModel get(String key) throws TemplateModelException
87 {
88 return wrapper.wrap(request.getAttribute(key));
89 }
90
91 public boolean isEmpty()
92 {
93 return !request.getAttributeNames().hasMoreElements();
94 }
95
96 public int size() {
97 int result = 0;
98 for (Enumeration enumeration = request.getAttributeNames(); enumeration.hasMoreElements();) {
99 enumeration.nextElement();
100 ++result;
101 }
102 return result;
103 }
104
105 public TemplateCollectionModel keys() {
106 ArrayList keys = new ArrayList();
107 for (Enumeration enumeration = request.getAttributeNames(); enumeration.hasMoreElements();) {
108 keys.add(enumeration.nextElement());
109 }
110 return new SimpleCollection(keys.iterator());
111 }
112
113 public TemplateCollectionModel values() {
114 ArrayList values = new ArrayList();
115 for (Enumeration enumeration = request.getAttributeNames(); enumeration.hasMoreElements();) {
116 values.add(request.getAttribute((String )enumeration.nextElement()));
117 }
118 return new SimpleCollection(values.iterator(), wrapper);
119 }
120
121 public HttpServletRequest getRequest()
122 {
123 return request;
124 }
125
126 public HttpServletResponse getResponse()
127 {
128 return response;
129 }
130
131 public ObjectWrapper getObjectWrapper()
132 {
133 return wrapper;
134 }
135 }
136 |
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