##### Coverage Report - org.apache.turbine.modules.NavigationLoader

Classes in this File | Line Coverage | Branch Coverage | Complexity
NavigationLoader |
72% | 8/11
N/A | N/A
| 1.0;1

1 |  |
     package org.apache.turbine.modules;
2 |  |
3 |  |
     /*
4 |  |
      * Licensed to the Apache Software Foundation (ASF) under one
5 |  |
      * or more contributor license agreements.  See the NOTICE file
6 |  |
      * distributed with this work for additional information
7 |  |
      * regarding copyright ownership.  The ASF licenses this file
8 |  |
      * to you under the Apache License, Version 2.0 (the
9 |  |
      * "License"); you may not use this file except in compliance
10 |  |
      * with the License.  You may obtain a copy of the License at
11 |  |
      *
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      *   http://www.apache.org/licenses/LICENSE-2.0
13 |  |
      *
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      * Unless required by applicable law or agreed to in writing,
15 |  |
      * software distributed under the License is distributed on an
16 |  |
      * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 |  |
      * KIND, either express or implied.  See the License for the
18 |  |
      * specific language governing permissions and limitations
19 |  |
      * under the License.
20 |  |
      */
21 |  |
22 |  |
     import org.apache.turbine.Turbine;
23 |  |
     import org.apache.turbine.pipeline.PipelineData;
24 |  |
25 |  |
     /**
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      * The purpose of this class is to allow one to load and execute
27 |  |
      * Navigation modules.
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      *
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      * @author <a href="mailto:mbryson@mont.mindspring.com">Dave Bryson</a>
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      * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
31 |  |
      * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>
32 |  |
      * @version $Id: NavigationLoader.java 1709648 2015-10-20 17:08:10Z tv $
33 |  |
      */
34 | 21 |
     public class NavigationLoader
35 |  |
         extends GenericLoader<Navigation>
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         implements Loader<Navigation>
37 |  |
     {
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         /** The single instance of this class. */
39 | 31 |
         private static NavigationLoader instance = new NavigationLoader();
40 |  |
41 |  |
         /**
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          * These ctor's are private to force clients to use getInstance()
43 |  |
          * to access this class.
44 |  |
          */
45 |  |
         private NavigationLoader()
46 |  |
         {
47 | 31 |
             super();
48 | 31 |
         }
49 |  |
50 |  |
         /**
51 |  |
          * Attempts to load and execute the external Navigation. This is
52 |  |
          * used when you want to execute a Navigation which returns its
53 |  |
          * output via a MultiPartElement instead of out the data.getPage()
54 |  |
          * value.  This allows you to easily chain the execution of
55 |  |
          * Navigation modules together.
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          *
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          * @param pipelineData Turbine information.
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          * @param name Name of object that will execute the navigation.
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          * @return the navigation module output
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          * @exception Exception a generic exception.
61 |  |
          */
62 |  |
         public String eval(PipelineData pipelineData, String name)
63 |  |
                 throws Exception
64 |  |
         {
65 |  |
             // Execute Navigation
66 | 0 |
             return getAssembler(name).build(pipelineData);
67 |  |
         }
68 |  |
69 |  |
         /**
70 |  |
          * Attempts to load and execute the external Navigation.
71 |  |
          *
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          * @param pipelineData Turbine information.
73 |  |
          * @param name Name of object instance.
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          * @exception Exception a generic exception.
75 |  |
          */
76 |  |
         @Override
77 |  |
         public void exec(PipelineData pipelineData, String name)
78 |  |
                         throws Exception
79 |  |
         {
80 | 0 |
             this.eval(pipelineData, name);
81 | 0 |
         }
82 |  |
83 |  |
         /**
84 |  |
          * Pulls out an instance of the object by name.  Name is just the
85 |  |
          * single name of the object.
86 |  |
          *
87 |  |
          * @param name Name of object instance.
88 |  |
          * @return A Layout with the specified name, or null.
89 |  |
          * @exception Exception a generic exception.
90 |  |
          */
91 |  |
         @Override
92 |  |
         public Navigation getAssembler(String name)
93 |  |
             throws Exception
94 |  |
         {
95 | 21 |
             return getAssembler(Navigation.class, name);
96 |  |
         }
97 |  |
98 |  |
         /**
99 |  |
          * @see org.apache.turbine.modules.Loader#getCacheSize()
100 |  |
          */
101 |  |
         @Override
102 |  |
         public int getCacheSize()
103 |  |
         {
104 | 82 |
             return NavigationLoader.getConfiguredCacheSize();
105 |  |
         }
106 |  |
107 |  |
         /**
108 |  |
          * The method through which this class is accessed.
109 |  |
          *
110 |  |
          * @return The single instance of this class.
111 |  |
          */
112 |  |
         public static NavigationLoader getInstance()
113 |  |
         {
114 | 66 |
             return instance;
115 |  |
         }
116 |  |
117 |  |
         /**
118 |  |
          * Helper method to get the configured cache size for this module
119 |  |
          *
120 |  |
          * @return the configure cache size
121 |  |
          */
122 |  |
         private static int getConfiguredCacheSize()
123 |  |
         {
124 | 82 |
             return Turbine.getConfiguration().getInt(Navigation.CACHE_SIZE_KEY,
125 |  |
                     Navigation.CACHE_SIZE_DEFAULT);
126 |  |
         }
127 |  |
     }