##### Coverage Report - org.apache.turbine.services.template.mapper.ScreenDefaultTemplateMapper

Classes in this File | Line Coverage | Branch Coverage | Complexity
ScreenDefaultTemplateMapper |
0% | 0/35
0% | 0/14
| 5.5;5,5

1 |  |
     package org.apache.turbine.services.template.mapper;
2 |  |
3 |  |
4 |  |
     /*
5 |  |
      * Licensed to the Apache Software Foundation (ASF) under one
6 |  |
      * or more contributor license agreements.  See the NOTICE file
7 |  |
      * distributed with this work for additional information
8 |  |
      * regarding copyright ownership.  The ASF licenses this file
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      * to you under the Apache License, Version 2.0 (the
10 |  |
      * "License"); you may not use this file except in compliance
11 |  |
      * with the License.  You may obtain a copy of the License at
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      *
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      *   http://www.apache.org/licenses/LICENSE-2.0
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      *
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      * Unless required by applicable law or agreed to in writing,
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      * software distributed under the License is distributed on an
17 |  |
      * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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      * KIND, either express or implied.  See the License for the
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      * specific language governing permissions and limitations
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      * under the License.
21 |  |
      */
22 |  |
23 |  |
24 |  |
     import java.util.ArrayList;
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     import java.util.Arrays;
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     import java.util.List;
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28 |  |
     import org.apache.commons.lang.StringUtils;
29 |  |
     import org.apache.commons.logging.Log;
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     import org.apache.commons.logging.LogFactory;
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     import org.apache.turbine.services.template.TemplateEngineService;
32 |  |
     import org.apache.turbine.services.template.TemplateService;
33 |  |
     import org.apache.turbine.services.template.TurbineTemplate;
34 |  |
35 |  |
     /**
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      * This is a pretty simple mapper which returns template pathes for
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      * a supplied template name. If the path does not exist, it looks for
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      * a templated called "Default" in the same package.
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      * This path can be used by the TemplateEngine to access
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      * a certain resource to actually render the template.
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      *
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      * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
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      * @version $Id: ScreenDefaultTemplateMapper.java 1071091 2011-02-15 22:06:55Z tv $
44 |  |
      */
45 |  |
46 |  |
     public class ScreenDefaultTemplateMapper
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         extends BaseTemplateMapper
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         implements Mapper
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     {
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         /** Logging */
51 | 0 |
         private static Log log = LogFactory.getLog(ScreenDefaultTemplateMapper.class);
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53 |  |
         /**
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          * Default C'tor. If you use this C'tor, you must use
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          * the bean setter to set the various properties needed for
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          * this mapper before first usage.
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          */
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         public ScreenDefaultTemplateMapper()
59 | 0 |
         {
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                 // empty
61 | 0 |
         }
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63 |  |
         /**
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          * Look for a given Template, then try the
65 |  |
          * default.
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          *
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          * @param template The template name.
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          * @return The parsed module name.
69 |  |
          */
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         public String doMapping(String template)
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         {
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             log.debug("doMapping(" + template + ")");
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             // Copy our elements into an array
74 | 0 |
             List<String> components
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                 = new ArrayList<String>(Arrays.asList(StringUtils.split(
76 |  |
                                                   template,
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                                                   String.valueOf(TemplateService.TEMPLATE_PARTS_SEPARATOR))));
78 | 0 |
             int componentSize = components.size() - 1 ;
79 |  |
80 |  |
             // This method never gets an empty string passed.
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             // So this is never < 0
82 | 0 |
             String templateName = components.get(componentSize);
83 | 0 |
             components.remove(componentSize--);
84 |  |
85 | 0 |
             log.debug("templateName is " + templateName);
86 |  |
87 |  |
             // Last element decides, which template Service to use...
88 | 0 |
             TemplateEngineService tes = TurbineTemplate.getTemplateEngineService(templateName);
89 |  |
90 | 0 |
             if (tes == null)
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             {
92 | 0 |
                 return null;
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             }
94 |  |
95 | 0 |
             String defaultName = "Default.vm";
96 |  |
97 |  |
             // This is an optimization. If the name we're looking for is
98 |  |
             // already the default name for the template, don't do a "first run"
99 |  |
             // which looks for an exact match.
100 | 0 |
             boolean firstRun = !templateName.equals(defaultName);
101 |  |
102 |  |
             for(;;)
103 |  |
             {
104 | 0 |
                 String templatePackage = StringUtils.join(components.iterator(), String.valueOf(separator));
105 |  |
106 | 0 |
                 log.debug("templatePackage is now: " + templatePackage);
107 |  |
108 | 0 |
                 StringBuffer testName = new StringBuffer();
109 |  |
110 | 0 |
                 if (!components.isEmpty())
111 |  |
                 {
112 | 0 |
                     testName.append(templatePackage);
113 | 0 |
                     testName.append(separator);
114 |  |
                 }
115 |  |
116 | 0 |
                 testName.append((firstRun)
117 |  |
                     ? templateName
118 |  |
                     : defaultName);
119 |  |
120 |  |
                 // But the Templating service must look for the name with prefix
121 | 0 |
                 StringBuffer templatePath = new StringBuffer();
122 | 0 |
                 if (StringUtils.isNotEmpty(prefix))
123 |  |
                 {
124 | 0 |
                     templatePath.append(prefix);
125 | 0 |
                     templatePath.append(separator);
126 |  |
                 }
127 | 0 |
                 templatePath.append(testName);
128 |  |
129 | 0 |
                 log.debug("Looking for " + templatePath);
130 |  |
131 | 0 |
                 if (tes.templateExists(templatePath.toString()))
132 |  |
                 {
133 | 0 |
                     log.debug("Found it, returning " + testName);
134 | 0 |
                     return testName.toString();
135 |  |
                 }
136 |  |
137 | 0 |
                 if (firstRun)
138 |  |
                 {
139 | 0 |
                     firstRun = false;
140 |  |
                 }
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                 else
142 |  |
                 {
143 |  |
                     // We run this loop only two times. The
144 |  |
                     // first time with the 'real' name and the
145 |  |
                     // second time with "Default". The second time
146 |  |
                     // we will end up here and break the for(;;) loop.
147 |  |
                     break;
148 |  |
                 }
149 | 0 |
             }
150 |  |
151 | 0 |
             log.debug("Returning default");
152 | 0 |
             return getDefaultName(template);
153 |  |
         }
154 |  |
     }