1 package org.apache.turbine.services.freemarker;
2
3 /* ====================================================================
4 * The Apache Software License, Version 1.1
5 *
6 * Copyright (c) 2001 The Apache Software Foundation. All rights
7 * reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. The end-user documentation included with the redistribution,
22 * if any, must include the following acknowledgment:
23 * "This product includes software developed by the
24 * Apache Software Foundation (http://www.apache.org/)."
25 * Alternately, this acknowledgment may appear in the software itself,
26 * if and wherever such third-party acknowledgments normally appear.
27 *
28 * 4. The names "Apache" and "Apache Software Foundation" and
29 * "Apache Turbine" must not be used to endorse or promote products
30 * derived from this software without prior written permission. For
31 * written permission, please contact apache@apache.org.
32 *
33 * 5. Products derived from this software may not be called "Apache",
34 * "Apache Turbine", nor may "Apache" appear in their name, without
35 * prior written permission of the Apache Software Foundation.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48 * SUCH DAMAGE.
49 * ====================================================================
50 *
51 * This software consists of voluntary contributions made by many
52 * individuals on behalf of the Apache Software Foundation. For more
53 * information on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57 // FreeMarker Classes
58 import freemarker.template.SimpleScalar;
59 import freemarker.template.TemplateMethodModel;
60 import freemarker.template.TemplateModel;
61 import freemarker.template.TemplateModelException;
62
63 // Java stuff
64 import java.util.List;
65
66 // Turbine Utility Classes
67 import org.apache.turbine.util.DynamicURI;
68 import org.apache.turbine.util.RunData;
69
70 /***
71 * Creates a TEXTAREA html tag. The rows, columns, and wrap attribute
72 * can be passed in through a list. Extension of FreeMarker.
73 *
74 * @author <a href="mailto:john.mcnally@clearink.com">John D. McNally</a>
75 * @version $Id: DynamicURIModel.java,v 1.2 2002/06/07 21:22:45 henning Exp $
76 * @deprecated
77 */
78 public class DynamicURIModel
79 implements TemplateMethodModel
80 {
81 private RunData data;
82
83 /***
84 * Constructor.
85 *
86 * @param data Turbine information.
87 */
88 public DynamicURIModel(RunData data)
89 {
90 this.data = data;
91 }
92
93 /***
94 * Method called by FreeMarker during template parsing. A list of
95 * strings are passed in from the template. The first string can
96 * specify https or http or be the only required String which sets
97 * the template parameter. Any additional String pairs are taken
98 * to be pathInfo data. An "&" String can be used to specify
99 * query data which should then be followed by pairs of Strings.
100 * E.g (in a template where the DynamicURIModel has been stored
101 * under the key "links":
102 * ${links("http", "/subdir/directions.html",
103 * "from", "LA", "&", "to", "SF")}
104 *
105 * @param args A List of Strings passed from the template.
106 * @return A TemplateModel with a String representation of the
107 * DynamicURI.
108 * @exception TemplateModelException.
109 */
110 public TemplateModel exec(List args)
111 throws TemplateModelException
112 {
113 DynamicURI uri = new DynamicURI(data);
114 String firstArg = (String)args.get(0);
115 int start=1;
116 if (firstArg.startsWith("http"))
117 {
118 int colonPosition = firstArg.indexOf(':');
119 if (colonPosition == -1)
120 {
121 uri.setServerScheme(firstArg);
122 }
123 else
124 {
125 uri.setServerScheme(firstArg.substring(0,colonPosition));
126 int secondColonPosition = firstArg.indexOf(':', colonPosition+1);
127 if (secondColonPosition == -1)
128 {
129 uri.setServerName( firstArg.substring(colonPosition+3) );
130 }
131 else
132 {
133 uri.setServerName(firstArg.substring(colonPosition+3, secondColonPosition));
134 uri.setServerPort(Integer.parseInt(firstArg.substring(secondColonPosition+1)));
135 }
136 }
137 uri.addPathInfo("template", (String)args.get(1));
138 start=2;
139 }
140 else
141 {
142 uri.addPathInfo("template", firstArg.replace('/', ','));
143 }
144 boolean firstOfPair = true;
145 boolean queryData = false;
146 String first = null;
147 for (int i=start; i<args.size(); i++)
148 {
149 String tempArg = (String)args.get(i);
150 if (firstOfPair)
151 {
152 if (tempArg.equals("?"))
153 {
154 queryData = true;
155 }
156 else
157 {
158 first = tempArg;
159 firstOfPair = false;
160 }
161 }
162 else
163 {
164 if (queryData)
165 {
166 uri.addQueryData(first, tempArg);
167 }
168 else
169 {
170 uri.addPathInfo(first, tempArg);
171 }
172 firstOfPair = true;
173 }
174 }
175 return new SimpleScalar( uri.toString() );
176 }
177
178 /***
179 * Required method in TemplateMethodModel, not implemented.
180 *
181 * @return Always false.
182 */
183 public boolean isEmpty()
184 {
185 return false;
186 }
187 }
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