1 /**
2 * Copyright (C) 2005-2009 Alfresco Software Limited.
3 *
4 * This file is part of the Spring Surf Extension project.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package org.springframework.extensions.webscripts;
20
21 import java.util.List;
22
23 import freemarker.template.TemplateMethodModelEx;
24 import freemarker.template.TemplateModelException;
25 import freemarker.template.TemplateScalarModel;
26
27 /**
28 * @author David Caruana
29 *
30 * Custom FreeMarker Template language method.
31 * <p>
32 * Render a client side javascript function to build urls to this service.
33 *
34 * <p>
35 * Usage: clientUrlFunction(String funcName)
36 */
37 public final class ClientUrlFunctionMethod implements TemplateMethodModelEx
38 {
39 WebScriptResponse res;
40
41 /**
42 * Construct
43 */
44 public ClientUrlFunctionMethod(WebScriptResponse res)
45 {
46 this.res = res;
47 }
48
49
50 /**
51 * @see freemarker.template.TemplateMethodModel#exec(java.util.List)
52 */
53 public Object exec(List args) throws TemplateModelException
54 {
55 String result = "";
56
57 if (args.size() != 0)
58 {
59 Object arg0 = args.get(0);
60 if (arg0 instanceof TemplateScalarModel)
61 {
62 String arg = ((TemplateScalarModel)arg0).getAsString();
63 result = res.getEncodeScriptUrlFunction(arg);
64 }
65 }
66
67 return result;
68 }
69 }